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Track the adoption of Swift 6 strict concurrency checks for data race safety. How many packages are Ready for Swift 6?

Build Information

Failed to build SwiftPM, reference main (7df932), with Swift 6.0 for Linux on 16 Sep 2024 06:50:19 UTC.

Build Command

bash -c docker run --pull=always --rm -v "checkouts-4606859-0":/host -w "$PWD" registry.gitlab.com/finestructure/spi-images:basic-6.0-latest swift build --triple x86_64-unknown-linux-gnu -Xswiftc -Xfrontend -Xswiftc -stats-output-dir -Xswiftc -Xfrontend -Xswiftc .stats -Xswiftc -strict-concurrency=complete 2>&1

Build Log

    |                                  `- warning: reference to var 'stdin' is not concurrency-safe because it involves shared mutable state; this is an error in the Swift 6 language mode
 85 |         guard inputFD >= 0 else {
 86 |             internalError("Could not duplicate `stdin`: \(describe(errno: errno)).")
SwiftGlibc.stdin:1:12: note: var declared here
1 | public var stdin: UnsafeMutablePointer<FILE>!
  |            `- note: var declared here
/host/spi-builder-workspace/Sources/PackagePlugin/Plugin.swift:92:28: warning: reference to var 'stdin' is not concurrency-safe because it involves shared mutable state; this is an error in the Swift 6 language mode
 90 |         // `stdin` so that attempts by the plugin to read console input (which
 91 |         // are usually a mistake) return errors instead of blocking.
 92 |         guard close(fileno(stdin)) >= 0 else {
    |                            `- warning: reference to var 'stdin' is not concurrency-safe because it involves shared mutable state; this is an error in the Swift 6 language mode
 93 |             internalError("Could not close `stdin`: \(describe(errno: errno)).")
 94 |         }
SwiftGlibc.stdin:1:12: note: var declared here
1 | public var stdin: UnsafeMutablePointer<FILE>!
  |            `- note: var declared here
/host/spi-builder-workspace/Sources/PackagePlugin/Plugin.swift:98:35: warning: reference to var 'stdout' is not concurrency-safe because it involves shared mutable state; this is an error in the Swift 6 language mode
 96 |         // Duplicate the `stdout` file descriptor, which we will then use for
 97 |         // sending messages to the plugin host.
 98 |         let outputFD = dup(fileno(stdout))
    |                                   `- warning: reference to var 'stdout' is not concurrency-safe because it involves shared mutable state; this is an error in the Swift 6 language mode
 99 |         guard outputFD >= 0 else {
100 |             internalError("Could not dup `stdout`: \(describe(errno: errno)).")
SwiftGlibc.stdout:1:12: note: var declared here
1 | public var stdout: UnsafeMutablePointer<FILE>!
  |            `- note: var declared here
/host/spi-builder-workspace/Sources/PackagePlugin/Plugin.swift:105:27: warning: reference to var 'stderr' is not concurrency-safe because it involves shared mutable state; this is an error in the Swift 6 language mode
103 |         // Having duplicated the original standard-output descriptor, redirect
104 |         // `stdout` to `stderr` so that all free-form text output goes there.
105 |         guard dup2(fileno(stderr), fileno(stdout)) >= 0 else {
    |                           `- warning: reference to var 'stderr' is not concurrency-safe because it involves shared mutable state; this is an error in the Swift 6 language mode
106 |             internalError("Could not dup2 `stdout` to `stderr`: \(describe(errno: errno)).")
107 |         }
SwiftGlibc.stderr:1:12: note: var declared here
1 | public var stderr: UnsafeMutablePointer<FILE>!
  |            `- note: var declared here
/host/spi-builder-workspace/Sources/PackagePlugin/Plugin.swift:105:43: warning: reference to var 'stdout' is not concurrency-safe because it involves shared mutable state; this is an error in the Swift 6 language mode
103 |         // Having duplicated the original standard-output descriptor, redirect
104 |         // `stdout` to `stderr` so that all free-form text output goes there.
105 |         guard dup2(fileno(stderr), fileno(stdout)) >= 0 else {
    |                                           `- warning: reference to var 'stdout' is not concurrency-safe because it involves shared mutable state; this is an error in the Swift 6 language mode
106 |             internalError("Could not dup2 `stdout` to `stderr`: \(describe(errno: errno)).")
107 |         }
SwiftGlibc.stdout:1:12: note: var declared here
1 | public var stdout: UnsafeMutablePointer<FILE>!
  |            `- note: var declared here
/host/spi-builder-workspace/Sources/PackagePlugin/Plugin.swift:117:17: warning: reference to var 'stdout' is not concurrency-safe because it involves shared mutable state; this is an error in the Swift 6 language mode
115 |         setvbuf(stdout, nil, _IONBF, 0)
116 | #else
117 |         setvbuf(stdout, nil, _IOLBF, 0)
    |                 `- warning: reference to var 'stdout' is not concurrency-safe because it involves shared mutable state; this is an error in the Swift 6 language mode
118 | #endif
119 |
SwiftGlibc.stdout:1:12: note: var declared here
1 | public var stdout: UnsafeMutablePointer<FILE>!
  |            `- note: var declared here
/host/spi-builder-workspace/Sources/PackagePlugin/Plugin.swift:287:45: warning: reference to var 'stderr' is not concurrency-safe because it involves shared mutable state; this is an error in the Swift 6 language mode
285 |     // Private function to report internal errors and then exit.
286 |     fileprivate static func internalError(_ message: String) -> Never {
287 |         fputs("Internal Error: \(message)", stderr)
    |                                             `- warning: reference to var 'stderr' is not concurrency-safe because it involves shared mutable state; this is an error in the Swift 6 language mode
288 |         exit(1)
289 |     }
SwiftGlibc.stderr:1:12: note: var declared here
1 | public var stderr: UnsafeMutablePointer<FILE>!
  |            `- note: var declared here
[279/870] Compiling TSCBasic Await.swift
[280/870] Compiling TSCBasic Base64URL.swift
/host/spi-builder-workspace/Sources/PackagePlugin/PackageModel.swift:13:8: warning: module 'Foundation' was not compiled with library evolution support; using it means binary compatibility for 'PackagePlugin' can't be guaranteed
 11 | //===----------------------------------------------------------------------===//
 12 |
 13 | import Foundation
    |        `- warning: module 'Foundation' was not compiled with library evolution support; using it means binary compatibility for 'PackagePlugin' can't be guaranteed
 14 |
 15 | /// Represents a single package in the graph (either the root or a dependency).
/host/spi-builder-workspace/Sources/PackagePlugin/Path.swift:13:8: warning: module 'Foundation' was not compiled with library evolution support; using it means binary compatibility for 'PackagePlugin' can't be guaranteed
 11 | //===----------------------------------------------------------------------===//
 12 |
 13 | import Foundation
    |        `- warning: module 'Foundation' was not compiled with library evolution support; using it means binary compatibility for 'PackagePlugin' can't be guaranteed
 14 |
 15 | /// A simple representation of a path in the file system.
/host/spi-builder-workspace/Sources/PackagePlugin/PackageModel.swift:13:8: warning: module 'Foundation' was not compiled with library evolution support; using it means binary compatibility for 'PackagePlugin' can't be guaranteed
 11 | //===----------------------------------------------------------------------===//
 12 |
 13 | import Foundation
    |        `- warning: module 'Foundation' was not compiled with library evolution support; using it means binary compatibility for 'PackagePlugin' can't be guaranteed
 14 |
 15 | /// Represents a single package in the graph (either the root or a dependency).
/host/spi-builder-workspace/Sources/PackagePlugin/Path.swift:13:8: warning: module 'Foundation' was not compiled with library evolution support; using it means binary compatibility for 'PackagePlugin' can't be guaranteed
 11 | //===----------------------------------------------------------------------===//
 12 |
 13 | import Foundation
    |        `- warning: module 'Foundation' was not compiled with library evolution support; using it means binary compatibility for 'PackagePlugin' can't be guaranteed
 14 |
 15 | /// A simple representation of a path in the file system.
[284/870] Compiling llbuildSwift BuildDBBindings.swift
[285/870] Emitting module llbuildSwift
[286/870] Compiling TSCBasic CacheableSequence.swift
/host/spi-builder-workspace/Sources/PackagePlugin/PackageManagerProxy.swift:13:8: warning: module 'Foundation' was not compiled with library evolution support; using it means binary compatibility for 'PackagePlugin' can't be guaranteed
 11 | //===----------------------------------------------------------------------===//
 12 |
 13 | import Foundation
    |        `- warning: module 'Foundation' was not compiled with library evolution support; using it means binary compatibility for 'PackagePlugin' can't be guaranteed
 14 |
 15 | /// Provides specialized information and services from the Swift Package Manager
/host/spi-builder-workspace/Sources/PackagePlugin/Errors.swift:22:10: warning: associated value 'targetNotFound(name:package:)' of 'Sendable'-conforming enum 'PluginContextError' has non-sendable type 'Package'; this is an error in the Swift 6 language mode
20 |
21 |     /// Could not find a target with the given name.
22 |     case targetNotFound(name: String, package: Package)
   |          `- warning: associated value 'targetNotFound(name:package:)' of 'Sendable'-conforming enum 'PluginContextError' has non-sendable type 'Package'; this is an error in the Swift 6 language mode
23 |
24 |     /// Could not find a product with the given name.
/host/spi-builder-workspace/Sources/PackagePlugin/PackageModel.swift:16:15: note: consider making struct 'Package' conform to the 'Sendable' protocol
 14 |
 15 | /// Represents a single package in the graph (either the root or a dependency).
 16 | public struct Package {
    |               `- note: consider making struct 'Package' conform to the 'Sendable' protocol
 17 |     /// Unique identifier for the package.
 18 |     public let id: ID
/host/spi-builder-workspace/Sources/PackagePlugin/Errors.swift:25:10: warning: associated value 'productNotFound(name:package:)' of 'Sendable'-conforming enum 'PluginContextError' has non-sendable type 'Package'; this is an error in the Swift 6 language mode
23 |
24 |     /// Could not find a product with the given name.
25 |     case productNotFound(name: String, package: Package)
   |          `- warning: associated value 'productNotFound(name:package:)' of 'Sendable'-conforming enum 'PluginContextError' has non-sendable type 'Package'; this is an error in the Swift 6 language mode
26 | }
27 |
/host/spi-builder-workspace/Sources/PackagePlugin/PackageModel.swift:16:15: note: consider making struct 'Package' conform to the 'Sendable' protocol
 14 |
 15 | /// Represents a single package in the graph (either the root or a dependency).
 16 | public struct Package {
    |               `- note: consider making struct 'Package' conform to the 'Sendable' protocol
 17 |     /// Unique identifier for the package.
 18 |     public let id: ID
/host/spi-builder-workspace/Sources/PackagePlugin/Plugin.swift:303:31: warning: var 'pluginHostConnection' is not concurrency-safe because it is nonisolated global shared mutable state; this is an error in the Swift 6 language mode
301 |
302 | /// Message channel for bidirectional communication with the plugin host.
303 | internal fileprivate(set) var pluginHostConnection: PluginHostConnection!
    |                               |- warning: var 'pluginHostConnection' is not concurrency-safe because it is nonisolated global shared mutable state; this is an error in the Swift 6 language mode
    |                               |- note: convert 'pluginHostConnection' to a 'let' constant to make 'Sendable' shared state immutable
    |                               |- note: annotate 'pluginHostConnection' with '@MainActor' if property should only be accessed from the main actor
    |                               `- note: disable concurrency-safety checks if accesses are protected by an external synchronization mechanism
304 |
305 | typealias PluginHostConnection = MessageConnection<PluginToHostMessage, HostToPluginMessage>
[287/870] Compiling TSCBasic Closable.swift
/host/spi-builder-workspace/Sources/PackagePlugin/PackageManagerProxy.swift:13:8: warning: module 'Foundation' was not compiled with library evolution support; using it means binary compatibility for 'PackagePlugin' can't be guaranteed
 11 | //===----------------------------------------------------------------------===//
 12 |
 13 | import Foundation
    |        `- warning: module 'Foundation' was not compiled with library evolution support; using it means binary compatibility for 'PackagePlugin' can't be guaranteed
 14 |
 15 | /// Provides specialized information and services from the Swift Package Manager
/host/spi-builder-workspace/Sources/PackagePlugin/Errors.swift:22:10: warning: associated value 'targetNotFound(name:package:)' of 'Sendable'-conforming enum 'PluginContextError' has non-sendable type 'Package'; this is an error in the Swift 6 language mode
20 |
21 |     /// Could not find a target with the given name.
22 |     case targetNotFound(name: String, package: Package)
   |          `- warning: associated value 'targetNotFound(name:package:)' of 'Sendable'-conforming enum 'PluginContextError' has non-sendable type 'Package'; this is an error in the Swift 6 language mode
23 |
24 |     /// Could not find a product with the given name.
/host/spi-builder-workspace/Sources/PackagePlugin/PackageModel.swift:16:15: note: consider making struct 'Package' conform to the 'Sendable' protocol
 14 |
 15 | /// Represents a single package in the graph (either the root or a dependency).
 16 | public struct Package {
    |               `- note: consider making struct 'Package' conform to the 'Sendable' protocol
 17 |     /// Unique identifier for the package.
 18 |     public let id: ID
/host/spi-builder-workspace/Sources/PackagePlugin/Errors.swift:25:10: warning: associated value 'productNotFound(name:package:)' of 'Sendable'-conforming enum 'PluginContextError' has non-sendable type 'Package'; this is an error in the Swift 6 language mode
23 |
24 |     /// Could not find a product with the given name.
25 |     case productNotFound(name: String, package: Package)
   |          `- warning: associated value 'productNotFound(name:package:)' of 'Sendable'-conforming enum 'PluginContextError' has non-sendable type 'Package'; this is an error in the Swift 6 language mode
26 | }
27 |
/host/spi-builder-workspace/Sources/PackagePlugin/PackageModel.swift:16:15: note: consider making struct 'Package' conform to the 'Sendable' protocol
 14 |
 15 | /// Represents a single package in the graph (either the root or a dependency).
 16 | public struct Package {
    |               `- note: consider making struct 'Package' conform to the 'Sendable' protocol
 17 |     /// Unique identifier for the package.
 18 |     public let id: ID
/host/spi-builder-workspace/Sources/PackagePlugin/Plugin.swift:303:31: warning: var 'pluginHostConnection' is not concurrency-safe because it is nonisolated global shared mutable state; this is an error in the Swift 6 language mode
301 |
302 | /// Message channel for bidirectional communication with the plugin host.
303 | internal fileprivate(set) var pluginHostConnection: PluginHostConnection!
    |                               |- warning: var 'pluginHostConnection' is not concurrency-safe because it is nonisolated global shared mutable state; this is an error in the Swift 6 language mode
    |                               |- note: convert 'pluginHostConnection' to a 'let' constant to make 'Sendable' shared state immutable
    |                               |- note: annotate 'pluginHostConnection' with '@MainActor' if property should only be accessed from the main actor
    |                               `- note: disable concurrency-safety checks if accesses are protected by an external synchronization mechanism
304 |
305 | typealias PluginHostConnection = MessageConnection<PluginToHostMessage, HostToPluginMessage>
/host/spi-builder-workspace/Sources/PackagePlugin/Context.swift:13:8: warning: module 'Foundation' was not compiled with library evolution support; using it means binary compatibility for 'PackagePlugin' can't be guaranteed
 11 | //===----------------------------------------------------------------------===//
 12 |
 13 | import Foundation
    |        `- warning: module 'Foundation' was not compiled with library evolution support; using it means binary compatibility for 'PackagePlugin' can't be guaranteed
 14 |
 15 | /// Provides information about the package for which the plugin is invoked,
/host/spi-builder-workspace/Sources/PackagePlugin/Plugin.swift:303:31: warning: var 'pluginHostConnection' is not concurrency-safe because it is nonisolated global shared mutable state; this is an error in the Swift 6 language mode
301 |
302 | /// Message channel for bidirectional communication with the plugin host.
303 | internal fileprivate(set) var pluginHostConnection: PluginHostConnection!
    |                               |- warning: var 'pluginHostConnection' is not concurrency-safe because it is nonisolated global shared mutable state; this is an error in the Swift 6 language mode
    |                               |- note: convert 'pluginHostConnection' to a 'let' constant to make 'Sendable' shared state immutable
    |                               |- note: annotate 'pluginHostConnection' with '@MainActor' if property should only be accessed from the main actor
    |                               `- note: disable concurrency-safety checks if accesses are protected by an external synchronization mechanism
304 |
305 | typealias PluginHostConnection = MessageConnection<PluginToHostMessage, HostToPluginMessage>
/host/spi-builder-workspace/Sources/PackagePlugin/Context.swift:13:8: warning: module 'Foundation' was not compiled with library evolution support; using it means binary compatibility for 'PackagePlugin' can't be guaranteed
 11 | //===----------------------------------------------------------------------===//
 12 |
 13 | import Foundation
    |        `- warning: module 'Foundation' was not compiled with library evolution support; using it means binary compatibility for 'PackagePlugin' can't be guaranteed
 14 |
 15 | /// Provides information about the package for which the plugin is invoked,
/host/spi-builder-workspace/Sources/PackagePlugin/Plugin.swift:303:31: warning: var 'pluginHostConnection' is not concurrency-safe because it is nonisolated global shared mutable state; this is an error in the Swift 6 language mode
301 |
302 | /// Message channel for bidirectional communication with the plugin host.
303 | internal fileprivate(set) var pluginHostConnection: PluginHostConnection!
    |                               |- warning: var 'pluginHostConnection' is not concurrency-safe because it is nonisolated global shared mutable state; this is an error in the Swift 6 language mode
    |                               |- note: convert 'pluginHostConnection' to a 'let' constant to make 'Sendable' shared state immutable
    |                               |- note: annotate 'pluginHostConnection' with '@MainActor' if property should only be accessed from the main actor
    |                               `- note: disable concurrency-safety checks if accesses are protected by an external synchronization mechanism
304 |
305 | typealias PluginHostConnection = MessageConnection<PluginToHostMessage, HostToPluginMessage>
[290/870] Compiling PackageCollectionsModel PackageCollectionModel+v1.swift
/host/spi-builder-workspace/Sources/PackagePlugin/Command.swift:13:8: warning: module 'Foundation' was not compiled with library evolution support; using it means binary compatibility for 'PackagePlugin' can't be guaranteed
 11 | //===----------------------------------------------------------------------===//
 12 |
 13 | import Foundation
    |        `- warning: module 'Foundation' was not compiled with library evolution support; using it means binary compatibility for 'PackagePlugin' can't be guaranteed
 14 |
 15 | /// A command to run during the build, including executable, command lines,
/host/spi-builder-workspace/Sources/PackagePlugin/Command.swift:13:8: warning: module 'Foundation' was not compiled with library evolution support; using it means binary compatibility for 'PackagePlugin' can't be guaranteed
 11 | //===----------------------------------------------------------------------===//
 12 |
 13 | import Foundation
    |        `- warning: module 'Foundation' was not compiled with library evolution support; using it means binary compatibility for 'PackagePlugin' can't be guaranteed
 14 |
 15 | /// A command to run during the build, including executable, command lines,
[293/871] Compiling llbuildSwift BuildKey.swift
[294/871] Compiling llbuildSwift BuildSystemBindings.swift
[295/871] Compiling llbuildSwift BuildValue.swift
[295/871] Wrapping AST for TSCLibc for debugging
/host/spi-builder-workspace/Sources/PackageDescription/SupportedPlatforms.swift:34:23: warning: static property 'macOS' is not concurrency-safe because non-'Sendable' type 'Platform' may have shared mutable state; this is an error in the Swift 6 language mode
 12 |
 13 | /// A platform supported by Swift Package Manager.
 14 | public struct Platform: Equatable {
    |               `- note: consider making struct 'Platform' conform to the 'Sendable' protocol
 15 |
 16 |     /// The name of the platform.
    :
 32 |
 33 |     /// The macOS platform.
 34 |     public static let macOS: Platform = Platform(name: "macos")
    |                       |- warning: static property 'macOS' is not concurrency-safe because non-'Sendable' type 'Platform' may have shared mutable state; this is an error in the Swift 6 language mode
    |                       |- note: annotate 'macOS' with '@MainActor' if property should only be accessed from the main actor
    |                       `- note: disable concurrency-safety checks if accesses are protected by an external synchronization mechanism
 35 |
 36 |     /// The Mac Catalyst platform.
/host/spi-builder-workspace/Sources/PackageDescription/SupportedPlatforms.swift:37:23: warning: static property 'macCatalyst' is not concurrency-safe because non-'Sendable' type 'Platform' may have shared mutable state; this is an error in the Swift 6 language mode
 12 |
 13 | /// A platform supported by Swift Package Manager.
 14 | public struct Platform: Equatable {
    |               `- note: consider making struct 'Platform' conform to the 'Sendable' protocol
 15 |
 16 |     /// The name of the platform.
    :
 35 |
 36 |     /// The Mac Catalyst platform.
 37 |     public static let macCatalyst: Platform = Platform(name: "maccatalyst")
    |                       |- warning: static property 'macCatalyst' is not concurrency-safe because non-'Sendable' type 'Platform' may have shared mutable state; this is an error in the Swift 6 language mode
    |                       |- note: annotate 'macCatalyst' with '@MainActor' if property should only be accessed from the main actor
    |                       `- note: disable concurrency-safety checks if accesses are protected by an external synchronization mechanism
 38 |
 39 |     /// The iOS platform.
/host/spi-builder-workspace/Sources/PackageDescription/SupportedPlatforms.swift:40:23: warning: static property 'iOS' is not concurrency-safe because non-'Sendable' type 'Platform' may have shared mutable state; this is an error in the Swift 6 language mode
 12 |
 13 | /// A platform supported by Swift Package Manager.
 14 | public struct Platform: Equatable {
    |               `- note: consider making struct 'Platform' conform to the 'Sendable' protocol
 15 |
 16 |     /// The name of the platform.
    :
 38 |
 39 |     /// The iOS platform.
 40 |     public static let iOS: Platform = Platform(name: "ios")
    |                       |- warning: static property 'iOS' is not concurrency-safe because non-'Sendable' type 'Platform' may have shared mutable state; this is an error in the Swift 6 language mode
    |                       |- note: annotate 'iOS' with '@MainActor' if property should only be accessed from the main actor
    |                       `- note: disable concurrency-safety checks if accesses are protected by an external synchronization mechanism
 41 |
 42 |     /// The tvOS platform.
/host/spi-builder-workspace/Sources/PackageDescription/SupportedPlatforms.swift:43:23: warning: static property 'tvOS' is not concurrency-safe because non-'Sendable' type 'Platform' may have shared mutable state; this is an error in the Swift 6 language mode
 12 |
 13 | /// A platform supported by Swift Package Manager.
 14 | public struct Platform: Equatable {
    |               `- note: consider making struct 'Platform' conform to the 'Sendable' protocol
 15 |
 16 |     /// The name of the platform.
    :
 41 |
 42 |     /// The tvOS platform.
 43 |     public static let tvOS: Platform = Platform(name: "tvos")
    |                       |- warning: static property 'tvOS' is not concurrency-safe because non-'Sendable' type 'Platform' may have shared mutable state; this is an error in the Swift 6 language mode
    |                       |- note: annotate 'tvOS' with '@MainActor' if property should only be accessed from the main actor
    |                       `- note: disable concurrency-safety checks if accesses are protected by an external synchronization mechanism
 44 |
 45 |     /// The watchOS platform.
/host/spi-builder-workspace/Sources/PackageDescription/SupportedPlatforms.swift:46:23: warning: static property 'watchOS' is not concurrency-safe because non-'Sendable' type 'Platform' may have shared mutable state; this is an error in the Swift 6 language mode
 12 |
 13 | /// A platform supported by Swift Package Manager.
 14 | public struct Platform: Equatable {
    |               `- note: consider making struct 'Platform' conform to the 'Sendable' protocol
 15 |
 16 |     /// The name of the platform.
    :
 44 |
 45 |     /// The watchOS platform.
 46 |     public static let watchOS: Platform = Platform(name: "watchos")
    |                       |- warning: static property 'watchOS' is not concurrency-safe because non-'Sendable' type 'Platform' may have shared mutable state; this is an error in the Swift 6 language mode
    |                       |- note: annotate 'watchOS' with '@MainActor' if property should only be accessed from the main actor
    |                       `- note: disable concurrency-safety checks if accesses are protected by an external synchronization mechanism
 47 |
 48 |     /// The visionOS platform.
/host/spi-builder-workspace/Sources/PackageDescription/SupportedPlatforms.swift:49:23: warning: static property 'visionOS' is not concurrency-safe because non-'Sendable' type 'Platform' may have shared mutable state; this is an error in the Swift 6 language mode
 12 |
 13 | /// A platform supported by Swift Package Manager.
 14 | public struct Platform: Equatable {
    |               `- note: consider making struct 'Platform' conform to the 'Sendable' protocol
 15 |
 16 |     /// The name of the platform.
    :
 47 |
 48 |     /// The visionOS platform.
 49 |     public static let visionOS: Platform = Platform(name: "visionos")
    |                       |- warning: static property 'visionOS' is not concurrency-safe because non-'Sendable' type 'Platform' may have shared mutable state; this is an error in the Swift 6 language mode
    |                       |- note: annotate 'visionOS' with '@MainActor' if property should only be accessed from the main actor
    |                       `- note: disable concurrency-safety checks if accesses are protected by an external synchronization mechanism
 50 |
 51 |     /// The DriverKit platform
/host/spi-builder-workspace/Sources/PackageDescription/SupportedPlatforms.swift:52:23: warning: static property 'driverKit' is not concurrency-safe because non-'Sendable' type 'Platform' may have shared mutable state; this is an error in the Swift 6 language mode
 12 |
 13 | /// A platform supported by Swift Package Manager.
 14 | public struct Platform: Equatable {
    |               `- note: consider making struct 'Platform' conform to the 'Sendable' protocol
 15 |
 16 |     /// The name of the platform.
    :
 50 |
 51 |     /// The DriverKit platform
 52 |     public static let driverKit: Platform = Platform(name: "driverkit")
    |                       |- warning: static property 'driverKit' is not concurrency-safe because non-'Sendable' type 'Platform' may have shared mutable state; this is an error in the Swift 6 language mode
    |                       |- note: annotate 'driverKit' with '@MainActor' if property should only be accessed from the main actor
    |                       `- note: disable concurrency-safety checks if accesses are protected by an external synchronization mechanism
 53 |
 54 |     /// The Linux platform.
/host/spi-builder-workspace/Sources/PackageDescription/SupportedPlatforms.swift:55:23: warning: static property 'linux' is not concurrency-safe because non-'Sendable' type 'Platform' may have shared mutable state; this is an error in the Swift 6 language mode
 12 |
 13 | /// A platform supported by Swift Package Manager.
 14 | public struct Platform: Equatable {
    |               `- note: consider making struct 'Platform' conform to the 'Sendable' protocol
 15 |
 16 |     /// The name of the platform.
    :
 53 |
 54 |     /// The Linux platform.
 55 |     public static let linux: Platform = Platform(name: "linux")
    |                       |- warning: static property 'linux' is not concurrency-safe because non-'Sendable' type 'Platform' may have shared mutable state; this is an error in the Swift 6 language mode
    |                       |- note: annotate 'linux' with '@MainActor' if property should only be accessed from the main actor
    |                       `- note: disable concurrency-safety checks if accesses are protected by an external synchronization mechanism
 56 |
 57 |     /// The Windows platform.
/host/spi-builder-workspace/Sources/PackageDescription/SupportedPlatforms.swift:59:23: warning: static property 'windows' is not concurrency-safe because non-'Sendable' type 'Platform' may have shared mutable state; this is an error in the Swift 6 language mode
 12 |
 13 | /// A platform supported by Swift Package Manager.
 14 | public struct Platform: Equatable {
    |               `- note: consider making struct 'Platform' conform to the 'Sendable' protocol
 15 |
 16 |     /// The name of the platform.
    :
 57 |     /// The Windows platform.
 58 |     @available(_PackageDescription, introduced: 5.2)
 59 |     public static let windows: Platform = Platform(name: "windows")
    |                       |- warning: static property 'windows' is not concurrency-safe because non-'Sendable' type 'Platform' may have shared mutable state; this is an error in the Swift 6 language mode
    |                       |- note: annotate 'windows' with '@MainActor' if property should only be accessed from the main actor
    |                       `- note: disable concurrency-safety checks if accesses are protected by an external synchronization mechanism
 60 |
 61 |     /// The Android platform.
/host/spi-builder-workspace/Sources/PackageDescription/SupportedPlatforms.swift:63:23: warning: static property 'android' is not concurrency-safe because non-'Sendable' type 'Platform' may have shared mutable state; this is an error in the Swift 6 language mode
 12 |
 13 | /// A platform supported by Swift Package Manager.
 14 | public struct Platform: Equatable {
    |               `- note: consider making struct 'Platform' conform to the 'Sendable' protocol
 15 |
 16 |     /// The name of the platform.
    :
 61 |     /// The Android platform.
 62 |     @available(_PackageDescription, introduced: 5.2)
 63 |     public static let android: Platform = Platform(name: "android")
    |                       |- warning: static property 'android' is not concurrency-safe because non-'Sendable' type 'Platform' may have shared mutable state; this is an error in the Swift 6 language mode
    |                       |- note: annotate 'android' with '@MainActor' if property should only be accessed from the main actor
    |                       `- note: disable concurrency-safety checks if accesses are protected by an external synchronization mechanism
 64 |
 65 |     /// The WebAssembly System Interface platform.
/host/spi-builder-workspace/Sources/PackageDescription/SupportedPlatforms.swift:67:23: warning: static property 'wasi' is not concurrency-safe because non-'Sendable' type 'Platform' may have shared mutable state; this is an error in the Swift 6 language mode
 12 |
 13 | /// A platform supported by Swift Package Manager.
 14 | public struct Platform: Equatable {
    |               `- note: consider making struct 'Platform' conform to the 'Sendable' protocol
 15 |
 16 |     /// The name of the platform.
    :
 65 |     /// The WebAssembly System Interface platform.
 66 |     @available(_PackageDescription, introduced: 5.3)
 67 |     public static let wasi: Platform = Platform(name: "wasi")
    |                       |- warning: static property 'wasi' is not concurrency-safe because non-'Sendable' type 'Platform' may have shared mutable state; this is an error in the Swift 6 language mode
    |                       |- note: annotate 'wasi' with '@MainActor' if property should only be accessed from the main actor
    |                       `- note: disable concurrency-safety checks if accesses are protected by an external synchronization mechanism
 68 |
 69 |     /// The OpenBSD platform.
/host/spi-builder-workspace/Sources/PackageDescription/SupportedPlatforms.swift:71:23: warning: static property 'openbsd' is not concurrency-safe because non-'Sendable' type 'Platform' may have shared mutable state; this is an error in the Swift 6 language mode
 12 |
 13 | /// A platform supported by Swift Package Manager.
 14 | public struct Platform: Equatable {
    |               `- note: consider making struct 'Platform' conform to the 'Sendable' protocol
 15 |
 16 |     /// The name of the platform.
    :
 69 |     /// The OpenBSD platform.
 70 |     @available(_PackageDescription, introduced: 5.8)
 71 |     public static let openbsd: Platform = Platform(name: "openbsd")
    |                       |- warning: static property 'openbsd' is not concurrency-safe because non-'Sendable' type 'Platform' may have shared mutable state; this is an error in the Swift 6 language mode
    |                       |- note: annotate 'openbsd' with '@MainActor' if property should only be accessed from the main actor
    |                       `- note: disable concurrency-safety checks if accesses are protected by an external synchronization mechanism
 72 | }
 73 |
/host/spi-builder-workspace/Sources/PackageDescription/SupportedPlatforms.swift:313:27: warning: static property 'v10_10' is not concurrency-safe because non-'Sendable' type 'SupportedPlatform.MacOSVersion' may have shared mutable state; this is an error in the Swift 6 language mode
296 |
297 |     /// The supported macOS version.
298 |     public struct MacOSVersion: AppleOSVersion {
    |                   `- note: consider making struct 'MacOSVersion' conform to the 'Sendable' protocol
299 |         fileprivate static let name = "macOS"
300 |         fileprivate static let minimumMajorVersion = 10
    :
311 |         /// - Since: First available in PackageDescription 5.0.
312 |         @available(_PackageDescription, introduced: 5.0, deprecated: 5.7, message: "macOS 10.13 is the oldest supported version")
313 |         public static let v10_10: MacOSVersion = .init(string: "10.10")
    |                           |- warning: static property 'v10_10' is not concurrency-safe because non-'Sendable' type 'SupportedPlatform.MacOSVersion' may have shared mutable state; this is an error in the Swift 6 language mode
    |                           |- note: annotate 'v10_10' with '@MainActor' if property should only be accessed from the main actor
    |                           `- note: disable concurrency-safety checks if accesses are protected by an external synchronization mechanism
314 |
315 |         /// The value that represents macOS 10.11.
/host/spi-builder-workspace/Sources/PackageDescription/SupportedPlatforms.swift:319:27: warning: static property 'v10_11' is not concurrency-safe because non-'Sendable' type 'SupportedPlatform.MacOSVersion' may have shared mutable state; this is an error in the Swift 6 language mode
296 |
297 |     /// The supported macOS version.
298 |     public struct MacOSVersion: AppleOSVersion {
    |                   `- note: consider making struct 'MacOSVersion' conform to the 'Sendable' protocol
299 |         fileprivate static let name = "macOS"
300 |         fileprivate static let minimumMajorVersion = 10
    :
317 |         /// - Since: First available in PackageDescription 5.0.
318 |         @available(_PackageDescription, introduced: 5.0, deprecated: 5.7, message: "macOS 10.13 is the oldest supported version")
319 |         public static let v10_11: MacOSVersion = .init(string: "10.11")
    |                           |- warning: static property 'v10_11' is not concurrency-safe because non-'Sendable' type 'SupportedPlatform.MacOSVersion' may have shared mutable state; this is an error in the Swift 6 language mode
    |                           |- note: annotate 'v10_11' with '@MainActor' if property should only be accessed from the main actor
    |                           `- note: disable concurrency-safety checks if accesses are protected by an external synchronization mechanism
320 |
321 |         /// The value that represents macOS 10.12.
/host/spi-builder-workspace/Sources/PackageDescription/SupportedPlatforms.swift:325:27: warning: static property 'v10_12' is not concurrency-safe because non-'Sendable' type 'SupportedPlatform.MacOSVersion' may have shared mutable state; this is an error in the Swift 6 language mode
296 |
297 |     /// The supported macOS version.
298 |     public struct MacOSVersion: AppleOSVersion {
    |                   `- note: consider making struct 'MacOSVersion' conform to the 'Sendable' protocol
299 |         fileprivate static let name = "macOS"
300 |         fileprivate static let minimumMajorVersion = 10
    :
323 |         /// - Since: First available in PackageDescription 5.0.
324 |         @available(_PackageDescription, introduced: 5.0, deprecated: 5.7, message: "macOS 10.13 is the oldest supported version")
325 |         public static let v10_12: MacOSVersion = .init(string: "10.12")
    |                           |- warning: static property 'v10_12' is not concurrency-safe because non-'Sendable' type 'SupportedPlatform.MacOSVersion' may have shared mutable state; this is an error in the Swift 6 language mode
    |                           |- note: annotate 'v10_12' with '@MainActor' if property should only be accessed from the main actor
    |                           `- note: disable concurrency-safety checks if accesses are protected by an external synchronization mechanism
326 |
327 |         /// The value that represents macOS 10.13.
/host/spi-builder-workspace/Sources/PackageDescription/SupportedPlatforms.swift:331:27: warning: static property 'v10_13' is not concurrency-safe because non-'Sendable' type 'SupportedPlatform.MacOSVersion' may have shared mutable state; this is an error in the Swift 6 language mode
296 |
297 |     /// The supported macOS version.
298 |     public struct MacOSVersion: AppleOSVersion {
    |                   `- note: consider making struct 'MacOSVersion' conform to the 'Sendable' protocol
299 |         fileprivate static let name = "macOS"
300 |         fileprivate static let minimumMajorVersion = 10
    :
329 |         /// - Since: First available in PackageDescription 5.0.
330 |         @available(_PackageDescription, introduced: 5.0)
331 |         public static let v10_13: MacOSVersion = .init(string: "10.13")
    |                           |- warning: static property 'v10_13' is not concurrency-safe because non-'Sendable' type 'SupportedPlatform.MacOSVersion' may have shared mutable state; this is an error in the Swift 6 language mode
    |                           |- note: annotate 'v10_13' with '@MainActor' if property should only be accessed from the main actor
    |                           `- note: disable concurrency-safety checks if accesses are protected by an external synchronization mechanism
332 |
333 |         /// The value that represents macOS 10.14.
/host/spi-builder-workspace/Sources/PackageDescription/SupportedPlatforms.swift:337:27: warning: static property 'v10_14' is not concurrency-safe because non-'Sendable' type 'SupportedPlatform.MacOSVersion' may have shared mutable state; this is an error in the Swift 6 language mode
296 |
297 |     /// The supported macOS version.
298 |     public struct MacOSVersion: AppleOSVersion {
    |                   `- note: consider making struct 'MacOSVersion' conform to the 'Sendable' protocol
299 |         fileprivate static let name = "macOS"
300 |         fileprivate static let minimumMajorVersion = 10
    :
335 |         /// - Since: First available in PackageDescription 5.0.
336 |         @available(_PackageDescription, introduced: 5.0)
337 |         public static let v10_14: MacOSVersion = .init(string: "10.14")
    |                           |- warning: static property 'v10_14' is not concurrency-safe because non-'Sendable' type 'SupportedPlatform.MacOSVersion' may have shared mutable state; this is an error in the Swift 6 language mode
    |                           |- note: annotate 'v10_14' with '@MainActor' if property should only be accessed from the main actor
    |                           `- note: disable concurrency-safety checks if accesses are protected by an external synchronization mechanism
338 |
339 |         /// The value that represents macOS 10.15.
/host/spi-builder-workspace/Sources/PackageDescription/SupportedPlatforms.swift:343:27: warning: static property 'v10_15' is not concurrency-safe because non-'Sendable' type 'SupportedPlatform.MacOSVersion' may have shared mutable state; this is an error in the Swift 6 language mode
296 |
297 |     /// The supported macOS version.
298 |     public struct MacOSVersion: AppleOSVersion {
    |                   `- note: consider making struct 'MacOSVersion' conform to the 'Sendable' protocol
299 |         fileprivate static let name = "macOS"
300 |         fileprivate static let minimumMajorVersion = 10
    :
341 |         /// - Since: First available in PackageDescription 5.1.
342 |         @available(_PackageDescription, introduced: 5.1)
343 |         public static let v10_15: MacOSVersion = .init(string: "10.15")
    |                           |- warning: static property 'v10_15' is not concurrency-safe because non-'Sendable' type 'SupportedPlatform.MacOSVersion' may have shared mutable state; this is an error in the Swift 6 language mode
    |                           |- note: annotate 'v10_15' with '@MainActor' if property should only be accessed from the main actor
    |                           `- note: disable concurrency-safety checks if accesses are protected by an external synchronization mechanism
344 |
345 |         /// The value that represents macOS 10.16, which has been
/host/spi-builder-workspace/Sources/PackageDescription/SupportedPlatforms.swift:351:27: warning: static property 'v10_16' is not concurrency-safe because non-'Sendable' type 'SupportedPlatform.MacOSVersion' may have shared mutable state; this is an error in the Swift 6 language mode
296 |
297 |     /// The supported macOS version.
298 |     public struct MacOSVersion: AppleOSVersion {
    |                   `- note: consider making struct 'MacOSVersion' conform to the 'Sendable' protocol
299 |         fileprivate static let name = "macOS"
300 |         fileprivate static let minimumMajorVersion = 10
    :
349 |         @available(*, unavailable, renamed: "v11")
350 |         @available(_PackageDescription, introduced: 5.3)
351 |         public static let v10_16: MacOSVersion = .init(string: "11.0")
    |                           |- warning: static property 'v10_16' is not concurrency-safe because non-'Sendable' type 'SupportedPlatform.MacOSVersion' may have shared mutable state; this is an error in the Swift 6 language mode
    |                           |- note: annotate 'v10_16' with '@MainActor' if property should only be accessed from the main actor
    |                           `- note: disable concurrency-safety checks if accesses are protected by an external synchronization mechanism
352 |
353 |         /// The value that represents macOS 11.0.
/host/spi-builder-workspace/Sources/PackageDescription/SupportedPlatforms.swift:356:27: warning: static property 'v11' is not concurrency-safe because non-'Sendable' type 'SupportedPlatform.MacOSVersion' may have shared mutable state; this is an error in the Swift 6 language mode
296 |
297 |     /// The supported macOS version.
298 |     public struct MacOSVersion: AppleOSVersion {
    |                   `- note: consider making struct 'MacOSVersion' conform to the 'Sendable' protocol
299 |         fileprivate static let name = "macOS"
300 |         fileprivate static let minimumMajorVersion = 10
    :
354 |         /// - Since: First available in PackageDescription 5.3.
355 |         @available(_PackageDescription, introduced: 5.3)
356 |         public static let v11: MacOSVersion = .init(string: "11.0")
    |                           |- warning: static property 'v11' is not concurrency-safe because non-'Sendable' type 'SupportedPlatform.MacOSVersion' may have shared mutable state; this is an error in the Swift 6 language mode
    |                           |- note: annotate 'v11' with '@MainActor' if property should only be accessed from the main actor
    |                           `- note: disable concurrency-safety checks if accesses are protected by an external synchronization mechanism
357 |
358 |         /// The value that represents macOS 12.0.
/host/spi-builder-workspace/Sources/PackageDescription/SupportedPlatforms.swift:362:27: warning: static property 'v12' is not concurrency-safe because non-'Sendable' type 'SupportedPlatform.MacOSVersion' may have shared mutable state; this is an error in the Swift 6 language mode
296 |
297 |     /// The supported macOS version.
298 |     public struct MacOSVersion: AppleOSVersion {
    |                   `- note: consider making struct 'MacOSVersion' conform to the 'Sendable' protocol
299 |         fileprivate static let name = "macOS"
300 |         fileprivate static let minimumMajorVersion = 10
    :
360 |         /// - Since: First available in PackageDescription 5.5.
361 |         @available(_PackageDescription, introduced: 5.5)
362 |         public static let v12: MacOSVersion = .init(string: "12.0")
    |                           |- warning: static property 'v12' is not concurrency-safe because non-'Sendable' type 'SupportedPlatform.MacOSVersion' may have shared mutable state; this is an error in the Swift 6 language mode
    |                           |- note: annotate 'v12' with '@MainActor' if property should only be accessed from the main actor
    |                           `- note: disable concurrency-safety checks if accesses are protected by an external synchronization mechanism
363 |
364 |         /// The value that represents macOS 13.0.
/host/spi-builder-workspace/Sources/PackageDescription/SupportedPlatforms.swift:368:27: warning: static property 'v13' is not concurrency-safe because non-'Sendable' type 'SupportedPlatform.MacOSVersion' may have shared mutable state; this is an error in the Swift 6 language mode
296 |
297 |     /// The supported macOS version.
298 |     public struct MacOSVersion: AppleOSVersion {
    |                   `- note: consider making struct 'MacOSVersion' conform to the 'Sendable' protocol
299 |         fileprivate static let name = "macOS"
300 |         fileprivate static let minimumMajorVersion = 10
    :
366 |         /// - Since: First available in PackageDescription 5.7.
367 |         @available(_PackageDescription, introduced: 5.7)
368 |         public static let v13: MacOSVersion = .init(string: "13.0")
    |                           |- warning: static property 'v13' is not concurrency-safe because non-'Sendable' type 'SupportedPlatform.MacOSVersion' may have shared mutable state; this is an error in the Swift 6 language mode
    |                           |- note: annotate 'v13' with '@MainActor' if property should only be accessed from the main actor
    |                           `- note: disable concurrency-safety checks if accesses are protected by an external synchronization mechanism
369 |
370 |         /// The value that represents macOS 14.0.
/host/spi-builder-workspace/Sources/PackageDescription/SupportedPlatforms.swift:374:27: warning: static property 'v14' is not concurrency-safe because non-'Sendable' type 'SupportedPlatform.MacOSVersion' may have shared mutable state; this is an error in the Swift 6 language mode
296 |
297 |     /// The supported macOS version.
298 |     public struct MacOSVersion: AppleOSVersion {
    |                   `- note: consider making struct 'MacOSVersion' conform to the 'Sendable' protocol
299 |         fileprivate static let name = "macOS"
300 |         fileprivate static let minimumMajorVersion = 10
    :
372 |         /// - Since: First available in PackageDescription 5.9.
373 |         @available(_PackageDescription, introduced: 5.9)
374 |         public static let v14: MacOSVersion = .init(string: "14.0")
    |                           |- warning: static property 'v14' is not concurrency-safe because non-'Sendable' type 'SupportedPlatform.MacOSVersion' may have shared mutable state; this is an error in the Swift 6 language mode
    |                           |- note: annotate 'v14' with '@MainActor' if property should only be accessed from the main actor
    |                           `- note: disable concurrency-safety checks if accesses are protected by an external synchronization mechanism
375 |     }
376 |
/host/spi-builder-workspace/Sources/PackageDescription/SupportedPlatforms.swift:393:27: warning: static property 'v9' is not concurrency-safe because non-'Sendable' type 'SupportedPlatform.TVOSVersion' may have shared mutable state; this is an error in the Swift 6 language mode
376 |
377 |     /// The supported tvOS version.
378 |     public struct TVOSVersion: AppleOSVersion {
    |                   `- note: consider making struct 'TVOSVersion' conform to the 'Sendable' protocol
379 |         fileprivate static let name = "tvOS"
380 |         fileprivate static let minimumMajorVersion = 9
    :
391 |         /// - Since: First available in PackageDescription 5.0.
392 |         @available(_PackageDescription, introduced: 5.0, deprecated: 5.7, message: "tvOS 11.0 is the oldest supported version")
393 |         public static let v9: TVOSVersion = .init(string: "9.0")
    |                           |- warning: static property 'v9' is not concurrency-safe because non-'Sendable' type 'SupportedPlatform.TVOSVersion' may have shared mutable state; this is an error in the Swift 6 language mode
    |                           |- note: annotate 'v9' with '@MainActor' if property should only be accessed from the main actor
    |                           `- note: disable concurrency-safety checks if accesses are protected by an external synchronization mechanism
394 |
395 |         /// The value that represents tvOS 10.0.
/host/spi-builder-workspace/Sources/PackageDescription/SupportedPlatforms.swift:399:27: warning: static property 'v10' is not concurrency-safe because non-'Sendable' type 'SupportedPlatform.TVOSVersion' may have shared mutable state; this is an error in the Swift 6 language mode
376 |
377 |     /// The supported tvOS version.
378 |     public struct TVOSVersion: AppleOSVersion {
    |                   `- note: consider making struct 'TVOSVersion' conform to the 'Sendable' protocol
379 |         fileprivate static let name = "tvOS"
380 |         fileprivate static let minimumMajorVersion = 9
    :
397 |         /// - Since: First available in PackageDescription 5.0.
398 |         @available(_PackageDescription, introduced: 5.0, deprecated: 5.7, message: "tvOS 11.0 is the oldest supported version")
399 |         public static let v10: TVOSVersion = .init(string: "10.0")
    |                           |- warning: static property 'v10' is not concurrency-safe because non-'Sendable' type 'SupportedPlatform.TVOSVersion' may have shared mutable state; this is an error in the Swift 6 language mode
    |                           |- note: annotate 'v10' with '@MainActor' if property should only be accessed from the main actor
    |                           `- note: disable concurrency-safety checks if accesses are protected by an external synchronization mechanism
400 |
401 |         /// The value that represents tvOS 11.0.
/host/spi-builder-workspace/Sources/PackageDescription/SupportedPlatforms.swift:405:27: warning: static property 'v11' is not concurrency-safe because non-'Sendable' type 'SupportedPlatform.TVOSVersion' may have shared mutable state; this is an error in the Swift 6 language mode
376 |
377 |     /// The supported tvOS version.
378 |     public struct TVOSVersion: AppleOSVersion {
    |                   `- note: consider making struct 'TVOSVersion' conform to the 'Sendable' protocol
379 |         fileprivate static let name = "tvOS"
380 |         fileprivate static let minimumMajorVersion = 9
    :
403 |         /// - Since: First available in PackageDescription 5.0.
404 |         @available(_PackageDescription, introduced: 5.0)
405 |         public static let v11: TVOSVersion = .init(string: "11.0")
    |                           |- warning: static property 'v11' is not concurrency-safe because non-'Sendable' type 'SupportedPlatform.TVOSVersion' may have shared mutable state; this is an error in the Swift 6 language mode
    |                           |- note: annotate 'v11' with '@MainActor' if property should only be accessed from the main actor
    |                           `- note: disable concurrency-safety checks if accesses are protected by an external synchronization mechanism
406 |
407 |         /// The value that represents tvOS 12.0.
/host/spi-builder-workspace/Sources/PackageDescription/SupportedPlatforms.swift:411:27: warning: static property 'v12' is not concurrency-safe because non-'Sendable' type 'SupportedPlatform.TVOSVersion' may have shared mutable state; this is an error in the Swift 6 language mode
376 |
377 |     /// The supported tvOS version.
378 |     public struct TVOSVersion: AppleOSVersion {
    |                   `- note: consider making struct 'TVOSVersion' conform to the 'Sendable' protocol
379 |         fileprivate static let name = "tvOS"
380 |         fileprivate static let minimumMajorVersion = 9
    :
409 |         /// - Since: First available in PackageDescription 5.0.
410 |         @available(_PackageDescription, introduced: 5.0)
411 |         public static let v12: TVOSVersion = .init(string: "12.0")
    |                           |- warning: static property 'v12' is not concurrency-safe because non-'Sendable' type 'SupportedPlatform.TVOSVersion' may have shared mutable state; this is an error in the Swift 6 language mode
    |                           |- note: annotate 'v12' with '@MainActor' if property should only be accessed from the main actor
    |                           `- note: disable concurrency-safety checks if accesses are protected by an external synchronization mechanism
412 |
413 |         /// The value that represents tvOS 13.0.
/host/spi-builder-workspace/Sources/PackageDescription/SupportedPlatforms.swift:417:27: warning: static property 'v13' is not concurrency-safe because non-'Sendable' type 'SupportedPlatform.TVOSVersion' may have shared mutable state; this is an error in the Swift 6 language mode
376 |
377 |     /// The supported tvOS version.
378 |     public struct TVOSVersion: AppleOSVersion {
    |                   `- note: consider making struct 'TVOSVersion' conform to the 'Sendable' protocol
379 |         fileprivate static let name = "tvOS"
380 |         fileprivate static let minimumMajorVersion = 9
    :
415 |         /// - Since: First available in PackageDescription 5.1.
416 |         @available(_PackageDescription, introduced: 5.1)
417 |         public static let v13: TVOSVersion = .init(string: "13.0")
    |                           |- warning: static property 'v13' is not concurrency-safe because non-'Sendable' type 'SupportedPlatform.TVOSVersion' may have shared mutable state; this is an error in the Swift 6 language mode
    |                           |- note: annotate 'v13' with '@MainActor' if property should only be accessed from the main actor
    |                           `- note: disable concurrency-safety checks if accesses are protected by an external synchronization mechanism
418 |
419 |         /// The value that represents tvOS 14.0.
/host/spi-builder-workspace/Sources/PackageDescription/SupportedPlatforms.swift:423:27: warning: static property 'v14' is not concurrency-safe because non-'Sendable' type 'SupportedPlatform.TVOSVersion' may have shared mutable state; this is an error in the Swift 6 language mode
376 |
377 |     /// The supported tvOS version.
378 |     public struct TVOSVersion: AppleOSVersion {
    |                   `- note: consider making struct 'TVOSVersion' conform to the 'Sendable' protocol
379 |         fileprivate static let name = "tvOS"
380 |         fileprivate static let minimumMajorVersion = 9
    :
421 |         /// - Since: First available in PackageDescription 5.3.
422 |         @available(_PackageDescription, introduced: 5.3)
423 |         public static let v14: TVOSVersion = .init(string: "14.0")
    |                           |- warning: static property 'v14' is not concurrency-safe because non-'Sendable' type 'SupportedPlatform.TVOSVersion' may have shared mutable state; this is an error in the Swift 6 language mode
    |                           |- note: annotate 'v14' with '@MainActor' if property should only be accessed from the main actor
    |                           `- note: disable concurrency-safety checks if accesses are protected by an external synchronization mechanism
424 |
425 |         /// The value that represents tvOS 15.0.
/host/spi-builder-workspace/Sources/PackageDescription/SupportedPlatforms.swift:429:27: warning: static property 'v15' is not concurrency-safe because non-'Sendable' type 'SupportedPlatform.TVOSVersion' may have shared mutable state; this is an error in the Swift 6 language mode
376 |
377 |     /// The supported tvOS version.
378 |     public struct TVOSVersion: AppleOSVersion {
    |                   `- note: consider making struct 'TVOSVersion' conform to the 'Sendable' protocol
379 |         fileprivate static let name = "tvOS"
380 |         fileprivate static let minimumMajorVersion = 9
    :
427 |         /// - Since: First available in PackageDescription 5.5.
428 |         @available(_PackageDescription, introduced: 5.5)
429 |         public static let v15: TVOSVersion = .init(string: "15.0")
    |                           |- warning: static property 'v15' is not concurrency-safe because non-'Sendable' type 'SupportedPlatform.TVOSVersion' may have shared mutable state; this is an error in the Swift 6 language mode
    |                           |- note: annotate 'v15' with '@MainActor' if property should only be accessed from the main actor
    |                           `- note: disable concurrency-safety checks if accesses are protected by an external synchronization mechanism
430 |
431 |         /// The value that represents tvOS 16.0.
/host/spi-builder-workspace/Sources/PackageDescription/SupportedPlatforms.swift:435:27: warning: static property 'v16' is not concurrency-safe because non-'Sendable' type 'SupportedPlatform.TVOSVersion' may have shared mutable state; this is an error in the Swift 6 language mode
376 |
377 |     /// The supported tvOS version.
378 |     public struct TVOSVersion: AppleOSVersion {
    |                   `- note: consider making struct 'TVOSVersion' conform to the 'Sendable' protocol
379 |         fileprivate static let name = "tvOS"
380 |         fileprivate static let minimumMajorVersion = 9
    :
433 |         /// - Since: First available in PackageDescription 5.7.
434 |         @available(_PackageDescription, introduced: 5.7)
435 |         public static let v16: TVOSVersion = .init(string: "16.0")
    |                           |- warning: static property 'v16' is not concurrency-safe because non-'Sendable' type 'SupportedPlatform.TVOSVersion' may have shared mutable state; this is an error in the Swift 6 language mode
    |                           |- note: annotate 'v16' with '@MainActor' if property should only be accessed from the main actor
    |                           `- note: disable concurrency-safety checks if accesses are protected by an external synchronization mechanism
436 |
437 |         /// The value that represents tvOS 17.0.
/host/spi-builder-workspace/Sources/PackageDescription/SupportedPlatforms.swift:441:27: warning: static property 'v17' is not concurrency-safe because non-'Sendable' type 'SupportedPlatform.TVOSVersion' may have shared mutable state; this is an error in the Swift 6 language mode
376 |
377 |     /// The supported tvOS version.
378 |     public struct TVOSVersion: AppleOSVersion {
    |                   `- note: consider making struct 'TVOSVersion' conform to the 'Sendable' protocol
379 |         fileprivate static let name = "tvOS"
380 |         fileprivate static let minimumMajorVersion = 9
    :
439 |         /// - Since: First available in PackageDescription 5.9.
440 |         @available(_PackageDescription, introduced: 5.9)
441 |         public static let v17: TVOSVersion = .init(string: "17.0")
    |                           |- warning: static property 'v17' is not concurrency-safe because non-'Sendable' type 'SupportedPlatform.TVOSVersion' may have shared mutable state; this is an error in the Swift 6 language mode
    |                           |- note: annotate 'v17' with '@MainActor' if property should only be accessed from the main actor
    |                           `- note: disable concurrency-safety checks if accesses are protected by an external synchronization mechanism
442 |     }
443 |
/host/spi-builder-workspace/Sources/PackageDescription/SupportedPlatforms.swift:460:27: warning: static property 'v13' is not concurrency-safe because non-'Sendable' type 'SupportedPlatform.MacCatalystVersion' may have shared mutable state; this is an error in the Swift 6 language mode
443 |
444 |     /// The supported Mac Catalyst version.
445 |     public struct MacCatalystVersion: AppleOSVersion {
    |                   `- note: consider making struct 'MacCatalystVersion' conform to the 'Sendable' protocol
446 |         fileprivate static let name = "macCatalyst"
447 |         fileprivate static let minimumMajorVersion = 13
    :
458 |         /// - Since: First available in PackageDescription 5.5.
459 |         @available(_PackageDescription, introduced: 5.5)
460 |         public static let v13: MacCatalystVersion = .init(string: "13.0")
    |                           |- warning: static property 'v13' is not concurrency-safe because non-'Sendable' type 'SupportedPlatform.MacCatalystVersion' may have shared mutable state; this is an error in the Swift 6 language mode
    |                           |- note: annotate 'v13' with '@MainActor' if property should only be accessed from the main actor
    |                           `- note: disable concurrency-safety checks if accesses are protected by an external synchronization mechanism
461 |
462 |         /// The value that represents Mac Catalyst 14.0.
/host/spi-builder-workspace/Sources/PackageDescription/SupportedPlatforms.swift:466:27: warning: static property 'v14' is not concurrency-safe because non-'Sendable' type 'SupportedPlatform.MacCatalystVersion' may have shared mutable state; this is an error in the Swift 6 language mode
443 |
444 |     /// The supported Mac Catalyst version.
445 |     public struct MacCatalystVersion: AppleOSVersion {
    |                   `- note: consider making struct 'MacCatalystVersion' conform to the 'Sendable' protocol
446 |         fileprivate static let name = "macCatalyst"
447 |         fileprivate static let minimumMajorVersion = 13
    :
464 |         /// - Since: First available in PackageDescription 5.5.
465 |         @available(_PackageDescription, introduced: 5.5)
466 |         public static let v14: MacCatalystVersion = .init(string: "14.0")
    |                           |- warning: static property 'v14' is not concurrency-safe because non-'Sendable' type 'SupportedPlatform.MacCatalystVersion' may have shared mutable state; this is an error in the Swift 6 language mode
    |                           |- note: annotate 'v14' with '@MainActor' if property should only be accessed from the main actor
    |                           `- note: disable concurrency-safety checks if accesses are protected by an external synchronization mechanism
467 |
468 |         /// The value that represents Mac Catalyst 15.0.
/host/spi-builder-workspace/Sources/PackageDescription/SupportedPlatforms.swift:472:27: warning: static property 'v15' is not concurrency-safe because non-'Sendable' type 'SupportedPlatform.MacCatalystVersion' may have shared mutable state; this is an error in the Swift 6 language mode
443 |
444 |     /// The supported Mac Catalyst version.
445 |     public struct MacCatalystVersion: AppleOSVersion {
    |                   `- note: consider making struct 'MacCatalystVersion' conform to the 'Sendable' protocol
446 |         fileprivate static let name = "macCatalyst"
447 |         fileprivate static let minimumMajorVersion = 13
    :
470 |         /// - Since: First available in PackageDescription 5.5.
471 |         @available(_PackageDescription, introduced: 5.5)
472 |         public static let v15: MacCatalystVersion = .init(string: "15.0")
    |                           |- warning: static property 'v15' is not concurrency-safe because non-'Sendable' type 'SupportedPlatform.MacCatalystVersion' may have shared mutable state; this is an error in the Swift 6 language mode
    |                           |- note: annotate 'v15' with '@MainActor' if property should only be accessed from the main actor
    |                           `- note: disable concurrency-safety checks if accesses are protected by an external synchronization mechanism
473 |
474 |         /// The value that represents Mac Catalyst 16.0.
/host/spi-builder-workspace/Sources/PackageDescription/SupportedPlatforms.swift:478:27: warning: static property 'v16' is not concurrency-safe because non-'Sendable' type 'SupportedPlatform.MacCatalystVersion' may have shared mutable state; this is an error in the Swift 6 language mode
443 |
444 |     /// The supported Mac Catalyst version.
445 |     public struct MacCatalystVersion: AppleOSVersion {
    |                   `- note: consider making struct 'MacCatalystVersion' conform to the 'Sendable' protocol
446 |         fileprivate static let name = "macCatalyst"
447 |         fileprivate static let minimumMajorVersion = 13
    :
476 |         /// - Since: First available in PackageDescription 5.7.
477 |         @available(_PackageDescription, introduced: 5.7)
478 |         public static let v16: MacCatalystVersion = .init(string: "16.0")
    |                           |- warning: static property 'v16' is not concurrency-safe because non-'Sendable' type 'SupportedPlatform.MacCatalystVersion' may have shared mutable state; this is an error in the Swift 6 language mode
    |                           |- note: annotate 'v16' with '@MainActor' if property should only be accessed from the main actor
    |                           `- note: disable concurrency-safety checks if accesses are protected by an external synchronization mechanism
479 |
480 |         /// The value that represents Mac Catalyst 17.0.
/host/spi-builder-workspace/Sources/PackageDescription/SupportedPlatforms.swift:484:27: warning: static property 'v17' is not concurrency-safe because non-'Sendable' type 'SupportedPlatform.MacCatalystVersion' may have shared mutable state; this is an error in the Swift 6 language mode
443 |
444 |     /// The supported Mac Catalyst version.
445 |     public struct MacCatalystVersion: AppleOSVersion {
    |                   `- note: consider making struct 'MacCatalystVersion' conform to the 'Sendable' protocol
446 |         fileprivate static let name = "macCatalyst"
447 |         fileprivate static let minimumMajorVersion = 13
    :
482 |         /// - Since: First available in PackageDescription 5.9.
483 |         @available(_PackageDescription, introduced: 5.9)
484 |         public static let v17: MacCatalystVersion = .init(string: "17.0")
    |                           |- warning: static property 'v17' is not concurrency-safe because non-'Sendable' type 'SupportedPlatform.MacCatalystVersion' may have shared mutable state; this is an error in the Swift 6 language mode
    |                           |- note: annotate 'v17' with '@MainActor' if property should only be accessed from the main actor
    |                           `- note: disable concurrency-safety checks if accesses are protected by an external synchronization mechanism
485 |     }
486 |
/host/spi-builder-workspace/Sources/PackageDescription/SupportedPlatforms.swift:503:27: warning: static property 'v8' is not concurrency-safe because non-'Sendable' type 'SupportedPlatform.IOSVersion' may have shared mutable state; this is an error in the Swift 6 language mode
486 |
487 |     /// The supported iOS version.
488 |     public struct IOSVersion: AppleOSVersion {
    |                   `- note: consider making struct 'IOSVersion' conform to the 'Sendable' protocol
489 |         fileprivate static let name = "iOS"
490 |         fileprivate static let minimumMajorVersion = 2
    :
501 |         /// - Since: First available in PackageDescription 5.0.
502 |         @available(_PackageDescription, introduced: 5.0, deprecated: 5.7, message: "iOS 11.0 is the oldest supported version")
503 |         public static let v8: IOSVersion = .init(string: "8.0")
    |                           |- warning: static property 'v8' is not concurrency-safe because non-'Sendable' type 'SupportedPlatform.IOSVersion' may have shared mutable state; this is an error in the Swift 6 language mode
    |                           |- note: annotate 'v8' with '@MainActor' if property should only be accessed from the main actor
    |                           `- note: disable concurrency-safety checks if accesses are protected by an external synchronization mechanism
504 |
505 |         /// The value that represents iOS 9.0.
/host/spi-builder-workspace/Sources/PackageDescription/SupportedPlatforms.swift:509:27: warning: static property 'v9' is not concurrency-safe because non-'Sendable' type 'SupportedPlatform.IOSVersion' may have shared mutable state; this is an error in the Swift 6 language mode
486 |
487 |     /// The supported iOS version.
488 |     public struct IOSVersion: AppleOSVersion {
    |                   `- note: consider making struct 'IOSVersion' conform to the 'Sendable' protocol
489 |         fileprivate static let name = "iOS"
490 |         fileprivate static let minimumMajorVersion = 2
    :
507 |         /// - Since: First available in PackageDescription 5.0.
508 |         @available(_PackageDescription, introduced: 5.0, deprecated: 5.7, message: "iOS 11.0 is the oldest supported version")
509 |         public static let v9: IOSVersion = .init(string: "9.0")
    |                           |- warning: static property 'v9' is not concurrency-safe because non-'Sendable' type 'SupportedPlatform.IOSVersion' may have shared mutable state; this is an error in the Swift 6 language mode
    |                           |- note: annotate 'v9' with '@MainActor' if property should only be accessed from the main actor
    |                           `- note: disable concurrency-safety checks if accesses are protected by an external synchronization mechanism
510 |
511 |         /// The value that represents iOS 10.0.
/host/spi-builder-workspace/Sources/PackageDescription/SupportedPlatforms.swift:515:27: warning: static property 'v10' is not concurrency-safe because non-'Sendable' type 'SupportedPlatform.IOSVersion' may have shared mutable state; this is an error in the Swift 6 language mode
486 |
487 |     /// The supported iOS version.
488 |     public struct IOSVersion: AppleOSVersion {
    |                   `- note: consider making struct 'IOSVersion' conform to the 'Sendable' protocol
489 |         fileprivate static let name = "iOS"
490 |         fileprivate static let minimumMajorVersion = 2
    :
513 |         /// - Since: First available in PackageDescription 5.0.
514 |         @available(_PackageDescription, introduced: 5.0, deprecated: 5.7, message: "iOS 11.0 is the oldest supported version")
515 |         public static let v10: IOSVersion = .init(string: "10.0")
    |                           |- warning: static property 'v10' is not concurrency-safe because non-'Sendable' type 'SupportedPlatform.IOSVersion' may have shared mutable state; this is an error in the Swift 6 language mode
    |                           |- note: annotate 'v10' with '@MainActor' if property should only be accessed from the main actor
    |                           `- note: disable concurrency-safety checks if accesses are protected by an external synchronization mechanism
516 |
517 |         /// The value that represents iOS 11.0.
/host/spi-builder-workspace/Sources/PackageDescription/SupportedPlatforms.swift:521:27: warning: static property 'v11' is not concurrency-safe because non-'Sendable' type 'SupportedPlatform.IOSVersion' may have shared mutable state; this is an error in the Swift 6 language mode
486 |
487 |     /// The supported iOS version.
488 |     public struct IOSVersion: AppleOSVersion {
    |                   `- note: consider making struct 'IOSVersion' conform to the 'Sendable' protocol
489 |         fileprivate static let name = "iOS"
490 |         fileprivate static let minimumMajorVersion = 2
    :
519 |         /// - Since: First available in PackageDescription 5.0.
520 |         @available(_PackageDescription, introduced: 5.0)
521 |         public static let v11: IOSVersion = .init(string: "11.0")
    |                           |- warning: static property 'v11' is not concurrency-safe because non-'Sendable' type 'SupportedPlatform.IOSVersion' may have shared mutable state; this is an error in the Swift 6 language mode
    |                           |- note: annotate 'v11' with '@MainActor' if property should only be accessed from the main actor
    |                           `- note: disable concurrency-safety checks if accesses are protected by an external synchronization mechanism
522 |
523 |         /// The value that represents iOS 12.0.
/host/spi-builder-workspace/Sources/PackageDescription/SupportedPlatforms.swift:527:27: warning: static property 'v12' is not concurrency-safe because non-'Sendable' type 'SupportedPlatform.IOSVersion' may have shared mutable state; this is an error in the Swift 6 language mode
486 |
487 |     /// The supported iOS version.
488 |     public struct IOSVersion: AppleOSVersion {
    |                   `- note: consider making struct 'IOSVersion' conform to the 'Sendable' protocol
489 |         fileprivate static let name = "iOS"
490 |         fileprivate static let minimumMajorVersion = 2
    :
525 |         /// - Since: First available in PackageDescription 5.0.
526 |         @available(_PackageDescription, introduced: 5.0)
527 |         public static let v12: IOSVersion = .init(string: "12.0")
    |                           |- warning: static property 'v12' is not concurrency-safe because non-'Sendable' type 'SupportedPlatform.IOSVersion' may have shared mutable state; this is an error in the Swift 6 language mode
    |                           |- note: annotate 'v12' with '@MainActor' if property should only be accessed from the main actor
    |                           `- note: disable concurrency-safety checks if accesses are protected by an external synchronization mechanism
528 |
529 |         /// The value that represents iOS 13.0.
/host/spi-builder-workspace/Sources/PackageDescription/SupportedPlatforms.swift:533:27: warning: static property 'v13' is not concurrency-safe because non-'Sendable' type 'SupportedPlatform.IOSVersion' may have shared mutable state; this is an error in the Swift 6 language mode
486 |
487 |     /// The supported iOS version.
488 |     public struct IOSVersion: AppleOSVersion {
    |                   `- note: consider making struct 'IOSVersion' conform to the 'Sendable' protocol
489 |         fileprivate static let name = "iOS"
490 |         fileprivate static let minimumMajorVersion = 2
    :
531 |         /// - Since: First available in PackageDescription 5.1.
532 |         @available(_PackageDescription, introduced: 5.1)
533 |         public static let v13: IOSVersion = .init(string: "13.0")
    |                           |- warning: static property 'v13' is not concurrency-safe because non-'Sendable' type 'SupportedPlatform.IOSVersion' may have shared mutable state; this is an error in the Swift 6 language mode
    |                           |- note: annotate 'v13' with '@MainActor' if property should only be accessed from the main actor
    |                           `- note: disable concurrency-safety checks if accesses are protected by an external synchronization mechanism
534 |
535 |         /// The value that represents iOS 14.0.
/host/spi-builder-workspace/Sources/PackageDescription/SupportedPlatforms.swift:539:27: warning: static property 'v14' is not concurrency-safe because non-'Sendable' type 'SupportedPlatform.IOSVersion' may have shared mutable state; this is an error in the Swift 6 language mode
486 |
487 |     /// The supported iOS version.
488 |     public struct IOSVersion: AppleOSVersion {
    |                   `- note: consider making struct 'IOSVersion' conform to the 'Sendable' protocol
489 |         fileprivate static let name = "iOS"
490 |         fileprivate static let minimumMajorVersion = 2
    :
537 |         /// - Since: First available in PackageDescription 5.3.
538 |         @available(_PackageDescription, introduced: 5.3)
539 |         public static let v14: IOSVersion = .init(string: "14.0")
    |                           |- warning: static property 'v14' is not concurrency-safe because non-'Sendable' type 'SupportedPlatform.IOSVersion' may have shared mutable state; this is an error in the Swift 6 language mode
    |                           |- note: annotate 'v14' with '@MainActor' if property should only be accessed from the main actor
    |                           `- note: disable concurrency-safety checks if accesses are protected by an external synchronization mechanism
540 |
541 |         /// The value that represents iOS 15.0.
/host/spi-builder-workspace/Sources/PackageDescription/SupportedPlatforms.swift:545:27: warning: static property 'v15' is not concurrency-safe because non-'Sendable' type 'SupportedPlatform.IOSVersion' may have shared mutable state; this is an error in the Swift 6 language mode
486 |
487 |     /// The supported iOS version.
488 |     public struct IOSVersion: AppleOSVersion {
    |                   `- note: consider making struct 'IOSVersion' conform to the 'Sendable' protocol
489 |         fileprivate static let name = "iOS"
490 |         fileprivate static let minimumMajorVersion = 2
    :
543 |         /// - Since: First available in PackageDescription 5.5.
544 |         @available(_PackageDescription, introduced: 5.5)
545 |         public static let v15: IOSVersion = .init(string: "15.0")
    |                           |- warning: static property 'v15' is not concurrency-safe because non-'Sendable' type 'SupportedPlatform.IOSVersion' may have shared mutable state; this is an error in the Swift 6 language mode
    |                           |- note: annotate 'v15' with '@MainActor' if property should only be accessed from the main actor
    |                           `- note: disable concurrency-safety checks if accesses are protected by an external synchronization mechanism
546 |
547 |         /// The value that represents iOS 16.0.
/host/spi-builder-workspace/Sources/PackageDescription/SupportedPlatforms.swift:551:27: warning: static property 'v16' is not concurrency-safe because non-'Sendable' type 'SupportedPlatform.IOSVersion' may have shared mutable state; this is an error in the Swift 6 language mode
486 |
487 |     /// The supported iOS version.
488 |     public struct IOSVersion: AppleOSVersion {
    |                   `- note: consider making struct 'IOSVersion' conform to the 'Sendable' protocol
489 |         fileprivate static let name = "iOS"
490 |         fileprivate static let minimumMajorVersion = 2
    :
549 |         /// - Since: First available in PackageDescription 5.7.
550 |         @available(_PackageDescription, introduced: 5.7)
551 |         public static let v16: IOSVersion = .init(string: "16.0")
    |                           |- warning: static property 'v16' is not concurrency-safe because non-'Sendable' type 'SupportedPlatform.IOSVersion' may have shared mutable state; this is an error in the Swift 6 language mode
    |                           |- note: annotate 'v16' with '@MainActor' if property should only be accessed from the main actor
    |                           `- note: disable concurrency-safety checks if accesses are protected by an external synchronization mechanism
552 |
553 |         /// The value that represents iOS 17.0.
/host/spi-builder-workspace/Sources/PackageDescription/SupportedPlatforms.swift:557:27: warning: static property 'v17' is not concurrency-safe because non-'Sendable' type 'SupportedPlatform.IOSVersion' may have shared mutable state; this is an error in the Swift 6 language mode
486 |
487 |     /// The supported iOS version.
488 |     public struct IOSVersion: AppleOSVersion {
    |                   `- note: consider making struct 'IOSVersion' conform to the 'Sendable' protocol
489 |         fileprivate static let name = "iOS"
490 |         fileprivate static let minimumMajorVersion = 2
    :
555 |         /// - Since: First available in PackageDescription 5.9.
556 |         @available(_PackageDescription, introduced: 5.9)
557 |         public static let v17: IOSVersion = .init(string: "17.0")
    |                           |- warning: static property 'v17' is not concurrency-safe because non-'Sendable' type 'SupportedPlatform.IOSVersion' may have shared mutable state; this is an error in the Swift 6 language mode
    |                           |- note: annotate 'v17' with '@MainActor' if property should only be accessed from the main actor
    |                           `- note: disable concurrency-safety checks if accesses are protected by an external synchronization mechanism
558 |     }
559 |
/host/spi-builder-workspace/Sources/PackageDescription/SupportedPlatforms.swift:576:27: warning: static property 'v2' is not concurrency-safe because non-'Sendable' type 'SupportedPlatform.WatchOSVersion' may have shared mutable state; this is an error in the Swift 6 language mode
559 |
560 |     /// The supported watchOS version.
561 |     public struct WatchOSVersion: AppleOSVersion {
    |                   `- note: consider making struct 'WatchOSVersion' conform to the 'Sendable' protocol
562 |         fileprivate static let name = "watchOS"
563 |         fileprivate static let minimumMajorVersion = 2
    :
574 |         /// - Since: First available in PackageDescription 5.0.
575 |         @available(_PackageDescription, introduced: 5.0, deprecated: 5.7, message: "watchOS 4.0 is the oldest supported version")
576 |         public static let v2: WatchOSVersion = .init(string: "2.0")
    |                           |- warning: static property 'v2' is not concurrency-safe because non-'Sendable' type 'SupportedPlatform.WatchOSVersion' may have shared mutable state; this is an error in the Swift 6 language mode
    |                           |- note: annotate 'v2' with '@MainActor' if property should only be accessed from the main actor
    |                           `- note: disable concurrency-safety checks if accesses are protected by an external synchronization mechanism
577 |
578 |         /// The value that represents watchOS 3.0.
/host/spi-builder-workspace/Sources/PackageDescription/SupportedPlatforms.swift:582:27: warning: static property 'v3' is not concurrency-safe because non-'Sendable' type 'SupportedPlatform.WatchOSVersion' may have shared mutable state; this is an error in the Swift 6 language mode
559 |
560 |     /// The supported watchOS version.
561 |     public struct WatchOSVersion: AppleOSVersion {
    |                   `- note: consider making struct 'WatchOSVersion' conform to the 'Sendable' protocol
562 |         fileprivate static let name = "watchOS"
563 |         fileprivate static let minimumMajorVersion = 2
    :
580 |         /// - Since: First available in PackageDescription 5.0.
581 |         @available(_PackageDescription, introduced: 5.0, deprecated: 5.7, message: "watchOS 4.0 is the oldest supported version")
582 |         public static let v3: WatchOSVersion = .init(string: "3.0")
    |                           |- warning: static property 'v3' is not concurrency-safe because non-'Sendable' type 'SupportedPlatform.WatchOSVersion' may have shared mutable state; this is an error in the Swift 6 language mode
    |                           |- note: annotate 'v3' with '@MainActor' if property should only be accessed from the main actor
    |                           `- note: disable concurrency-safety checks if accesses are protected by an external synchronization mechanism
583 |
584 |         /// The value that represents watchOS 4.0.
/host/spi-builder-workspace/Sources/PackageDescription/SupportedPlatforms.swift:588:27: warning: static property 'v4' is not concurrency-safe because non-'Sendable' type 'SupportedPlatform.WatchOSVersion' may have shared mutable state; this is an error in the Swift 6 language mode
559 |
560 |     /// The supported watchOS version.
561 |     public struct WatchOSVersion: AppleOSVersion {
    |                   `- note: consider making struct 'WatchOSVersion' conform to the 'Sendable' protocol
562 |         fileprivate static let name = "watchOS"
563 |         fileprivate static let minimumMajorVersion = 2
    :
586 |         /// - Since: First available in PackageDescription 5.0.
587 |         @available(_PackageDescription, introduced: 5.0)
588 |         public static let v4: WatchOSVersion = .init(string: "4.0")
    |                           |- warning: static property 'v4' is not concurrency-safe because non-'Sendable' type 'SupportedPlatform.WatchOSVersion' may have shared mutable state; this is an error in the Swift 6 language mode
    |                           |- note: annotate 'v4' with '@MainActor' if property should only be accessed from the main actor
    |                           `- note: disable concurrency-safety checks if accesses are protected by an external synchronization mechanism
589 |
590 |         /// The value that represents watchOS 5.0.
/host/spi-builder-workspace/Sources/PackageDescription/SupportedPlatforms.swift:594:27: warning: static property 'v5' is not concurrency-safe because non-'Sendable' type 'SupportedPlatform.WatchOSVersion' may have shared mutable state; this is an error in the Swift 6 language mode
559 |
560 |     /// The supported watchOS version.
561 |     public struct WatchOSVersion: AppleOSVersion {
    |                   `- note: consider making struct 'WatchOSVersion' conform to the 'Sendable' protocol
562 |         fileprivate static let name = "watchOS"
563 |         fileprivate static let minimumMajorVersion = 2
    :
592 |         /// - Since: First available in PackageDescription 5.0.
593 |         @available(_PackageDescription, introduced: 5.0)
594 |         public static let v5: WatchOSVersion = .init(string: "5.0")
    |                           |- warning: static property 'v5' is not concurrency-safe because non-'Sendable' type 'SupportedPlatform.WatchOSVersion' may have shared mutable state; this is an error in the Swift 6 language mode
    |                           |- note: annotate 'v5' with '@MainActor' if property should only be accessed from the main actor
    |                           `- note: disable concurrency-safety checks if accesses are protected by an external synchronization mechanism
595 |
596 |         /// The value that represents watchOS 6.0.
/host/spi-builder-workspace/Sources/PackageDescription/SupportedPlatforms.swift:600:27: warning: static property 'v6' is not concurrency-safe because non-'Sendable' type 'SupportedPlatform.WatchOSVersion' may have shared mutable state; this is an error in the Swift 6 language mode
559 |
560 |     /// The supported watchOS version.
561 |     public struct WatchOSVersion: AppleOSVersion {
    |                   `- note: consider making struct 'WatchOSVersion' conform to the 'Sendable' protocol
562 |         fileprivate static let name = "watchOS"
563 |         fileprivate static let minimumMajorVersion = 2
    :
598 |         /// - Since: First available in PackageDescription 5.1.
599 |         @available(_PackageDescription, introduced: 5.1)
600 |         public static let v6: WatchOSVersion = .init(string: "6.0")
    |                           |- warning: static property 'v6' is not concurrency-safe because non-'Sendable' type 'SupportedPlatform.WatchOSVersion' may have shared mutable state; this is an error in the Swift 6 language mode
    |                           |- note: annotate 'v6' with '@MainActor' if property should only be accessed from the main actor
    |                           `- note: disable concurrency-safety checks if accesses are protected by an external synchronization mechanism
601 |
602 |         /// The value that represents watchOS 7.0.
/host/spi-builder-workspace/Sources/PackageDescription/SupportedPlatforms.swift:606:27: warning: static property 'v7' is not concurrency-safe because non-'Sendable' type 'SupportedPlatform.WatchOSVersion' may have shared mutable state; this is an error in the Swift 6 language mode
559 |
560 |     /// The supported watchOS version.
561 |     public struct WatchOSVersion: AppleOSVersion {
    |                   `- note: consider making struct 'WatchOSVersion' conform to the 'Sendable' protocol
562 |         fileprivate static let name = "watchOS"
563 |         fileprivate static let minimumMajorVersion = 2
    :
604 |         /// - Since: First available in PackageDescription 5.3.
605 |         @available(_PackageDescription, introduced: 5.3)
606 |         public static let v7: WatchOSVersion = .init(string: "7.0")
    |                           |- warning: static property 'v7' is not concurrency-safe because non-'Sendable' type 'SupportedPlatform.WatchOSVersion' may have shared mutable state; this is an error in the Swift 6 language mode
    |                           |- note: annotate 'v7' with '@MainActor' if property should only be accessed from the main actor
    |                           `- note: disable concurrency-safety checks if accesses are protected by an external synchronization mechanism
607 |
608 |         /// The value that represents watchOS 8.0.
/host/spi-builder-workspace/Sources/PackageDescription/SupportedPlatforms.swift:612:27: warning: static property 'v8' is not concurrency-safe because non-'Sendable' type 'SupportedPlatform.WatchOSVersion' may have shared mutable state; this is an error in the Swift 6 language mode
559 |
560 |     /// The supported watchOS version.
561 |     public struct WatchOSVersion: AppleOSVersion {
    |                   `- note: consider making struct 'WatchOSVersion' conform to the 'Sendable' protocol
562 |         fileprivate static let name = "watchOS"
563 |         fileprivate static let minimumMajorVersion = 2
    :
610 |         /// - Since: First available in PackageDescription 5.5.
611 |         @available(_PackageDescription, introduced: 5.5)
612 |         public static let v8: WatchOSVersion = .init(string: "8.0")
    |                           |- warning: static property 'v8' is not concurrency-safe because non-'Sendable' type 'SupportedPlatform.WatchOSVersion' may have shared mutable state; this is an error in the Swift 6 language mode
    |                           |- note: annotate 'v8' with '@MainActor' if property should only be accessed from the main actor
    |                           `- note: disable concurrency-safety checks if accesses are protected by an external synchronization mechanism
613 |
614 |         /// The value that represents watchOS 9.0.
/host/spi-builder-workspace/Sources/PackageDescription/SupportedPlatforms.swift:618:27: warning: static property 'v9' is not concurrency-safe because non-'Sendable' type 'SupportedPlatform.WatchOSVersion' may have shared mutable state; this is an error in the Swift 6 language mode
559 |
560 |     /// The supported watchOS version.
561 |     public struct WatchOSVersion: AppleOSVersion {
    |                   `- note: consider making struct 'WatchOSVersion' conform to the 'Sendable' protocol
562 |         fileprivate static let name = "watchOS"
563 |         fileprivate static let minimumMajorVersion = 2
    :
616 |         /// - Since: First available in PackageDescription 5.7.
617 |         @available(_PackageDescription, introduced: 5.7)
618 |         public static let v9: WatchOSVersion = .init(string: "9.0")
    |                           |- warning: static property 'v9' is not concurrency-safe because non-'Sendable' type 'SupportedPlatform.WatchOSVersion' may have shared mutable state; this is an error in the Swift 6 language mode
    |                           |- note: annotate 'v9' with '@MainActor' if property should only be accessed from the main actor
    |                           `- note: disable concurrency-safety checks if accesses are protected by an external synchronization mechanism
619 |
620 |         /// The value that represents watchOS 10.0.
/host/spi-builder-workspace/Sources/PackageDescription/SupportedPlatforms.swift:624:27: warning: static property 'v10' is not concurrency-safe because non-'Sendable' type 'SupportedPlatform.WatchOSVersion' may have shared mutable state; this is an error in the Swift 6 language mode
559 |
560 |     /// The supported watchOS version.
561 |     public struct WatchOSVersion: AppleOSVersion {
    |                   `- note: consider making struct 'WatchOSVersion' conform to the 'Sendable' protocol
562 |         fileprivate static let name = "watchOS"
563 |         fileprivate static let minimumMajorVersion = 2
    :
622 |         /// - Since: First available in PackageDescription 5.9.
623 |         @available(_PackageDescription, introduced: 5.9)
624 |         public static let v10: WatchOSVersion = .init(string: "10.0")
    |                           |- warning: static property 'v10' is not concurrency-safe because non-'Sendable' type 'SupportedPlatform.WatchOSVersion' may have shared mutable state; this is an error in the Swift 6 language mode
    |                           |- note: annotate 'v10' with '@MainActor' if property should only be accessed from the main actor
    |                           `- note: disable concurrency-safety checks if accesses are protected by an external synchronization mechanism
625 |     }
626 |
/host/spi-builder-workspace/Sources/PackageDescription/SupportedPlatforms.swift:643:27: warning: static property 'v1' is not concurrency-safe because non-'Sendable' type 'SupportedPlatform.VisionOSVersion' may have shared mutable state; this is an error in the Swift 6 language mode
626 |
627 |     /// The supported visionOS version.
628 |     public struct VisionOSVersion: AppleOSVersion {
    |                   `- note: consider making struct 'VisionOSVersion' conform to the 'Sendable' protocol
629 |         fileprivate static let name = "visionOS"
630 |         fileprivate static let minimumMajorVersion = 1
    :
641 |         /// - Since: First available in PackageDescription 5.9.
642 |         @available(_PackageDescription, introduced: 5.9)
643 |         public static let v1: VisionOSVersion = .init(string: "1.0")
    |                           |- warning: static property 'v1' is not concurrency-safe because non-'Sendable' type 'SupportedPlatform.VisionOSVersion' may have shared mutable state; this is an error in the Swift 6 language mode
    |                           |- note: annotate 'v1' with '@MainActor' if property should only be accessed from the main actor
    |                           `- note: disable concurrency-safety checks if accesses are protected by an external synchronization mechanism
644 |     }
645 |
/host/spi-builder-workspace/Sources/PackageDescription/SupportedPlatforms.swift:662:27: warning: static property 'v19' is not concurrency-safe because non-'Sendable' type 'SupportedPlatform.DriverKitVersion' may have shared mutable state; this is an error in the Swift 6 language mode
645 |
646 |     /// The supported DriverKit version.
647 |     public struct DriverKitVersion: AppleOSVersion {
    |                   `- note: consider making struct 'DriverKitVersion' conform to the 'Sendable' protocol
648 |         fileprivate static let name = "DriverKit"
649 |         fileprivate static let minimumMajorVersion = 19
    :
660 |         /// - Since: First available in PackageDescription 5.5.
661 |         @available(_PackageDescription, introduced: 5.5)
662 |         public static let v19: DriverKitVersion = .init(string: "19.0")
    |                           |- warning: static property 'v19' is not concurrency-safe because non-'Sendable' type 'SupportedPlatform.DriverKitVersion' may have shared mutable state; this is an error in the Swift 6 language mode
    |                           |- note: annotate 'v19' with '@MainActor' if property should only be accessed from the main actor
    |                           `- note: disable concurrency-safety checks if accesses are protected by an external synchronization mechanism
663 |
664 |         /// The value that represents DriverKit 20.0.
/host/spi-builder-workspace/Sources/PackageDescription/SupportedPlatforms.swift:668:27: warning: static property 'v20' is not concurrency-safe because non-'Sendable' type 'SupportedPlatform.DriverKitVersion' may have shared mutable state; this is an error in the Swift 6 language mode
645 |
646 |     /// The supported DriverKit version.
647 |     public struct DriverKitVersion: AppleOSVersion {
    |                   `- note: consider making struct 'DriverKitVersion' conform to the 'Sendable' protocol
648 |         fileprivate static let name = "DriverKit"
649 |         fileprivate static let minimumMajorVersion = 19
    :
666 |         /// - Since: First available in PackageDescription 5.5.
667 |         @available(_PackageDescription, introduced: 5.5)
668 |         public static let v20: DriverKitVersion = .init(string: "20.0")
    |                           |- warning: static property 'v20' is not concurrency-safe because non-'Sendable' type 'SupportedPlatform.DriverKitVersion' may have shared mutable state; this is an error in the Swift 6 language mode
    |                           |- note: annotate 'v20' with '@MainActor' if property should only be accessed from the main actor
    |                           `- note: disable concurrency-safety checks if accesses are protected by an external synchronization mechanism
669 |
670 |         /// The value that represents DriverKit 21.0.
/host/spi-builder-workspace/Sources/PackageDescription/SupportedPlatforms.swift:674:27: warning: static property 'v21' is not concurrency-safe because non-'Sendable' type 'SupportedPlatform.DriverKitVersion' may have shared mutable state; this is an error in the Swift 6 language mode
645 |
646 |     /// The supported DriverKit version.
647 |     public struct DriverKitVersion: AppleOSVersion {
    |                   `- note: consider making struct 'DriverKitVersion' conform to the 'Sendable' protocol
648 |         fileprivate static let name = "DriverKit"
649 |         fileprivate static let minimumMajorVersion = 19
    :
672 |         /// - Since: First available in PackageDescription 5.5.
673 |         @available(_PackageDescription, introduced: 5.5)
674 |         public static let v21: DriverKitVersion = .init(string: "21.0")
    |                           |- warning: static property 'v21' is not concurrency-safe because non-'Sendable' type 'SupportedPlatform.DriverKitVersion' may have shared mutable state; this is an error in the Swift 6 language mode
    |                           |- note: annotate 'v21' with '@MainActor' if property should only be accessed from the main actor
    |                           `- note: disable concurrency-safety checks if accesses are protected by an external synchronization mechanism
675 |
676 |         /// The value that represents DriverKit 22.0.
/host/spi-builder-workspace/Sources/PackageDescription/SupportedPlatforms.swift:680:27: warning: static property 'v22' is not concurrency-safe because non-'Sendable' type 'SupportedPlatform.DriverKitVersion' may have shared mutable state; this is an error in the Swift 6 language mode
645 |
646 |     /// The supported DriverKit version.
647 |     public struct DriverKitVersion: AppleOSVersion {
    |                   `- note: consider making struct 'DriverKitVersion' conform to the 'Sendable' protocol
648 |         fileprivate static let name = "DriverKit"
649 |         fileprivate static let minimumMajorVersion = 19
    :
678 |         /// - Since: First available in PackageDescription 5.7.
679 |         @available(_PackageDescription, introduced: 5.7)
680 |         public static let v22: DriverKitVersion = .init(string: "22.0")
    |                           |- warning: static property 'v22' is not concurrency-safe because non-'Sendable' type 'SupportedPlatform.DriverKitVersion' may have shared mutable state; this is an error in the Swift 6 language mode
    |                           |- note: annotate 'v22' with '@MainActor' if property should only be accessed from the main actor
    |                           `- note: disable concurrency-safety checks if accesses are protected by an external synchronization mechanism
681 |
682 |         /// The value that represents DriverKit 23.0.
/host/spi-builder-workspace/Sources/PackageDescription/SupportedPlatforms.swift:686:27: warning: static property 'v23' is not concurrency-safe because non-'Sendable' type 'SupportedPlatform.DriverKitVersion' may have shared mutable state; this is an error in the Swift 6 language mode
645 |
646 |     /// The supported DriverKit version.
647 |     public struct DriverKitVersion: AppleOSVersion {
    |                   `- note: consider making struct 'DriverKitVersion' conform to the 'Sendable' protocol
648 |         fileprivate static let name = "DriverKit"
649 |         fileprivate static let minimumMajorVersion = 19
    :
684 |         /// - Since: First available in PackageDescription 5.9.
685 |         @available(_PackageDescription, introduced: 5.9)
686 |         public static let v23: DriverKitVersion = .init(string: "23.0")
    |                           |- warning: static property 'v23' is not concurrency-safe because non-'Sendable' type 'SupportedPlatform.DriverKitVersion' may have shared mutable state; this is an error in the Swift 6 language mode
    |                           |- note: annotate 'v23' with '@MainActor' if property should only be accessed from the main actor
    |                           `- note: disable concurrency-safety checks if accesses are protected by an external synchronization mechanism
687 |     }
688 |
/host/spi-builder-workspace/Sources/PackageDescription/SupportedPlatforms.swift:692:20: warning: static property 'name' is not concurrency-safe because it is nonisolated global shared mutable state; this is an error in the Swift 6 language mode
690 |     public struct CustomPlatformVersion: AppleOSVersion {
691 |         /// The name of the custom platform.
692 |         static var name: String = "custom platform"
    |                    |- warning: static property 'name' is not concurrency-safe because it is nonisolated global shared mutable state; this is an error in the Swift 6 language mode
    |                    |- note: convert 'name' to a 'let' constant to make 'Sendable' shared state immutable
    |                    |- note: annotate 'name' with '@MainActor' if property should only be accessed from the main actor
    |                    `- note: disable concurrency-safety checks if accesses are protected by an external synchronization mechanism
693 |         /// The minimum valid major version number.
694 |         static var minimumMajorVersion = 0
/host/spi-builder-workspace/Sources/PackageDescription/SupportedPlatforms.swift:694:20: warning: static property 'minimumMajorVersion' is not concurrency-safe because it is nonisolated global shared mutable state; this is an error in the Swift 6 language mode
692 |         static var name: String = "custom platform"
693 |         /// The minimum valid major version number.
694 |         static var minimumMajorVersion = 0
    |                    |- warning: static property 'minimumMajorVersion' is not concurrency-safe because it is nonisolated global shared mutable state; this is an error in the Swift 6 language mode
    |                    |- note: convert 'minimumMajorVersion' to a 'let' constant to make 'Sendable' shared state immutable
    |                    |- note: annotate 'minimumMajorVersion' with '@MainActor' if property should only be accessed from the main actor
    |                    `- note: disable concurrency-safety checks if accesses are protected by an external synchronization mechanism
695 |
696 |         fileprivate init(uncheckedVersion version: String) {
/host/spi-builder-workspace/Sources/PackageDescription/PackageDescription.swift:448:5: warning: var 'errors' is not concurrency-safe because it is nonisolated global shared mutable state; this is an error in the Swift 6 language mode
446 | }
447 |
448 | var errors: [String] = []
    |     |- warning: var 'errors' is not concurrency-safe because it is nonisolated global shared mutable state; this is an error in the Swift 6 language mode
    |     |- note: convert 'errors' to a 'let' constant to make 'Sendable' shared state immutable
    |     |- note: annotate 'errors' with '@MainActor' if property should only be accessed from the main actor
    |     `- note: disable concurrency-safety checks if accesses are protected by an external synchronization mechanism
449 |
450 | #if os(Windows)
/host/spi-builder-workspace/Sources/PackageDescription/SupportedPlatforms.swift:34:23: warning: static property 'macOS' is not concurrency-safe because non-'Sendable' type 'Platform' may have shared mutable state; this is an error in the Swift 6 language mode
 12 |
 13 | /// A platform supported by Swift Package Manager.
 14 | public struct Platform: Equatable {
    |               `- note: consider making struct 'Platform' conform to the 'Sendable' protocol
 15 |
 16 |     /// The name of the platform.
    :
 32 |
 33 |     /// The macOS platform.
 34 |     public static let macOS: Platform = Platform(name: "macos")
    |                       |- warning: static property 'macOS' is not concurrency-safe because non-'Sendable' type 'Platform' may have shared mutable state; this is an error in the Swift 6 language mode
    |                       |- note: annotate 'macOS' with '@MainActor' if property should only be accessed from the main actor
    |                       `- note: disable concurrency-safety checks if accesses are protected by an external synchronization mechanism
 35 |
 36 |     /// The Mac Catalyst platform.
/host/spi-builder-workspace/Sources/PackageDescription/SupportedPlatforms.swift:37:23: warning: static property 'macCatalyst' is not concurrency-safe because non-'Sendable' type 'Platform' may have shared mutable state; this is an error in the Swift 6 language mode
 12 |
 13 | /// A platform supported by Swift Package Manager.
 14 | public struct Platform: Equatable {
    |               `- note: consider making struct 'Platform' conform to the 'Sendable' protocol
 15 |
 16 |     /// The name of the platform.
    :
 35 |
 36 |     /// The Mac Catalyst platform.
 37 |     public static let macCatalyst: Platform = Platform(name: "maccatalyst")
    |                       |- warning: static property 'macCatalyst' is not concurrency-safe because non-'Sendable' type 'Platform' may have shared mutable state; this is an error in the Swift 6 language mode
    |                       |- note: annotate 'macCatalyst' with '@MainActor' if property should only be accessed from the main actor
    |                       `- note: disable concurrency-safety checks if accesses are protected by an external synchronization mechanism
 38 |
 39 |     /// The iOS platform.
/host/spi-builder-workspace/Sources/PackageDescription/SupportedPlatforms.swift:40:23: warning: static property 'iOS' is not concurrency-safe because non-'Sendable' type 'Platform' may have shared mutable state; this is an error in the Swift 6 language mode
 12 |
 13 | /// A platform supported by Swift Package Manager.
 14 | public struct Platform: Equatable {
    |               `- note: consider making struct 'Platform' conform to the 'Sendable' protocol
 15 |
 16 |     /// The name of the platform.
    :
 38 |
 39 |     /// The iOS platform.
 40 |     public static let iOS: Platform = Platform(name: "ios")
    |                       |- warning: static property 'iOS' is not concurrency-safe because non-'Sendable' type 'Platform' may have shared mutable state; this is an error in the Swift 6 language mode
    |                       |- note: annotate 'iOS' with '@MainActor' if property should only be accessed from the main actor
    |                       `- note: disable concurrency-safety checks if accesses are protected by an external synchronization mechanism
 41 |
 42 |     /// The tvOS platform.
/host/spi-builder-workspace/Sources/PackageDescription/SupportedPlatforms.swift:43:23: warning: static property 'tvOS' is not concurrency-safe because non-'Sendable' type 'Platform' may have shared mutable state; this is an error in the Swift 6 language mode
 12 |
 13 | /// A platform supported by Swift Package Manager.
 14 | public struct Platform: Equatable {
    |               `- note: consider making struct 'Platform' conform to the 'Sendable' protocol
 15 |
 16 |     /// The name of the platform.
    :
 41 |
 42 |     /// The tvOS platform.
 43 |     public static let tvOS: Platform = Platform(name: "tvos")
    |                       |- warning: static property 'tvOS' is not concurrency-safe because non-'Sendable' type 'Platform' may have shared mutable state; this is an error in the Swift 6 language mode
    |                       |- note: annotate 'tvOS' with '@MainActor' if property should only be accessed from the main actor
    |                       `- note: disable concurrency-safety checks if accesses are protected by an external synchronization mechanism
 44 |
 45 |     /// The watchOS platform.
/host/spi-builder-workspace/Sources/PackageDescription/SupportedPlatforms.swift:46:23: warning: static property 'watchOS' is not concurrency-safe because non-'Sendable' type 'Platform' may have shared mutable state; this is an error in the Swift 6 language mode
 12 |
 13 | /// A platform supported by Swift Package Manager.
 14 | public struct Platform: Equatable {
    |               `- note: consider making struct 'Platform' conform to the 'Sendable' protocol
 15 |
 16 |     /// The name of the platform.
    :
 44 |
 45 |     /// The watchOS platform.
 46 |     public static let watchOS: Platform = Platform(name: "watchos")
    |                       |- warning: static property 'watchOS' is not concurrency-safe because non-'Sendable' type 'Platform' may have shared mutable state; this is an error in the Swift 6 language mode
    |                       |- note: annotate 'watchOS' with '@MainActor' if property should only be accessed from the main actor
    |                       `- note: disable concurrency-safety checks if accesses are protected by an external synchronization mechanism
 47 |
 48 |     /// The visionOS platform.
/host/spi-builder-workspace/Sources/PackageDescription/SupportedPlatforms.swift:49:23: warning: static property 'visionOS' is not concurrency-safe because non-'Sendable' type 'Platform' may have shared mutable state; this is an error in the Swift 6 language mode
 12 |
 13 | /// A platform supported by Swift Package Manager.
 14 | public struct Platform: Equatable {
    |               `- note: consider making struct 'Platform' conform to the 'Sendable' protocol
 15 |
 16 |     /// The name of the platform.
    :
 47 |
 48 |     /// The visionOS platform.
 49 |     public static let visionOS: Platform = Platform(name: "visionos")
    |                       |- warning: static property 'visionOS' is not concurrency-safe because non-'Sendable' type 'Platform' may have shared mutable state; this is an error in the Swift 6 language mode
    |                       |- note: annotate 'visionOS' with '@MainActor' if property should only be accessed from the main actor
    |                       `- note: disable concurrency-safety checks if accesses are protected by an external synchronization mechanism
 50 |
 51 |     /// The DriverKit platform
/host/spi-builder-workspace/Sources/PackageDescription/SupportedPlatforms.swift:52:23: warning: static property 'driverKit' is not concurrency-safe because non-'Sendable' type 'Platform' may have shared mutable state; this is an error in the Swift 6 language mode
 12 |
 13 | /// A platform supported by Swift Package Manager.
 14 | public struct Platform: Equatable {
    |               `- note: consider making struct 'Platform' conform to the 'Sendable' protocol
 15 |
 16 |     /// The name of the platform.
    :
 50 |
 51 |     /// The DriverKit platform
 52 |     public static let driverKit: Platform = Platform(name: "driverkit")
    |                       |- warning: static property 'driverKit' is not concurrency-safe because non-'Sendable' type 'Platform' may have shared mutable state; this is an error in the Swift 6 language mode
    |                       |- note: annotate 'driverKit' with '@MainActor' if property should only be accessed from the main actor
    |                       `- note: disable concurrency-safety checks if accesses are protected by an external synchronization mechanism
 53 |
 54 |     /// The Linux platform.
/host/spi-builder-workspace/Sources/PackageDescription/SupportedPlatforms.swift:55:23: warning: static property 'linux' is not concurrency-safe because non-'Sendable' type 'Platform' may have shared mutable state; this is an error in the Swift 6 language mode
 12 |
 13 | /// A platform supported by Swift Package Manager.
 14 | public struct Platform: Equatable {
    |               `- note: consider making struct 'Platform' conform to the 'Sendable' protocol
 15 |
 16 |     /// The name of the platform.
    :
 53 |
 54 |     /// The Linux platform.
 55 |     public static let linux: Platform = Platform(name: "linux")
    |                       |- warning: static property 'linux' is not concurrency-safe because non-'Sendable' type 'Platform' may have shared mutable state; this is an error in the Swift 6 language mode
    |                       |- note: annotate 'linux' with '@MainActor' if property should only be accessed from the main actor
    |                       `- note: disable concurrency-safety checks if accesses are protected by an external synchronization mechanism
 56 |
 57 |     /// The Windows platform.
/host/spi-builder-workspace/Sources/PackageDescription/SupportedPlatforms.swift:59:23: warning: static property 'windows' is not concurrency-safe because non-'Sendable' type 'Platform' may have shared mutable state; this is an error in the Swift 6 language mode
 12 |
 13 | /// A platform supported by Swift Package Manager.
 14 | public struct Platform: Equatable {
    |               `- note: consider making struct 'Platform' conform to the 'Sendable' protocol
 15 |
 16 |     /// The name of the platform.
    :
 57 |     /// The Windows platform.
 58 |     @available(_PackageDescription, introduced: 5.2)
 59 |     public static let windows: Platform = Platform(name: "windows")
    |                       |- warning: static property 'windows' is not concurrency-safe because non-'Sendable' type 'Platform' may have shared mutable state; this is an error in the Swift 6 language mode
    |                       |- note: annotate 'windows' with '@MainActor' if property should only be accessed from the main actor
    |                       `- note: disable concurrency-safety checks if accesses are protected by an external synchronization mechanism
 60 |
 61 |     /// The Android platform.
/host/spi-builder-workspace/Sources/PackageDescription/SupportedPlatforms.swift:63:23: warning: static property 'android' is not concurrency-safe because non-'Sendable' type 'Platform' may have shared mutable state; this is an error in the Swift 6 language mode
 12 |
 13 | /// A platform supported by Swift Package Manager.
 14 | public struct Platform: Equatable {
    |               `- note: consider making struct 'Platform' conform to the 'Sendable' protocol
 15 |
 16 |     /// The name of the platform.
    :
 61 |     /// The Android platform.
 62 |     @available(_PackageDescription, introduced: 5.2)
 63 |     public static let android: Platform = Platform(name: "android")
    |                       |- warning: static property 'android' is not concurrency-safe because non-'Sendable' type 'Platform' may have shared mutable state; this is an error in the Swift 6 language mode
    |                       |- note: annotate 'android' with '@MainActor' if property should only be accessed from the main actor
    |                       `- note: disable concurrency-safety checks if accesses are protected by an external synchronization mechanism
 64 |
 65 |     /// The WebAssembly System Interface platform.
/host/spi-builder-workspace/Sources/PackageDescription/SupportedPlatforms.swift:67:23: warning: static property 'wasi' is not concurrency-safe because non-'Sendable' type 'Platform' may have shared mutable state; this is an error in the Swift 6 language mode
 12 |
 13 | /// A platform supported by Swift Package Manager.
 14 | public struct Platform: Equatable {
    |               `- note: consider making struct 'Platform' conform to the 'Sendable' protocol
 15 |
 16 |     /// The name of the platform.
    :
 65 |     /// The WebAssembly System Interface platform.
 66 |     @available(_PackageDescription, introduced: 5.3)
 67 |     public static let wasi: Platform = Platform(name: "wasi")
    |                       |- warning: static property 'wasi' is not concurrency-safe because non-'Sendable' type 'Platform' may have shared mutable state; this is an error in the Swift 6 language mode
    |                       |- note: annotate 'wasi' with '@MainActor' if property should only be accessed from the main actor
    |                       `- note: disable concurrency-safety checks if accesses are protected by an external synchronization mechanism
 68 |
 69 |     /// The OpenBSD platform.
/host/spi-builder-workspace/Sources/PackageDescription/SupportedPlatforms.swift:71:23: warning: static property 'openbsd' is not concurrency-safe because non-'Sendable' type 'Platform' may have shared mutable state; this is an error in the Swift 6 language mode
 12 |
 13 | /// A platform supported by Swift Package Manager.
 14 | public struct Platform: Equatable {
    |               `- note: consider making struct 'Platform' conform to the 'Sendable' protocol
 15 |
 16 |     /// The name of the platform.
    :
 69 |     /// The OpenBSD platform.
 70 |     @available(_PackageDescription, introduced: 5.8)
 71 |     public static let openbsd: Platform = Platform(name: "openbsd")
    |                       |- warning: static property 'openbsd' is not concurrency-safe because non-'Sendable' type 'Platform' may have shared mutable state; this is an error in the Swift 6 language mode
    |                       |- note: annotate 'openbsd' with '@MainActor' if property should only be accessed from the main actor
    |                       `- note: disable concurrency-safety checks if accesses are protected by an external synchronization mechanism
 72 | }
 73 |
/host/spi-builder-workspace/Sources/PackageDescription/SupportedPlatforms.swift:313:27: warning: static property 'v10_10' is not concurrency-safe because non-'Sendable' type 'SupportedPlatform.MacOSVersion' may have shared mutable state; this is an error in the Swift 6 language mode
296 |
297 |     /// The supported macOS version.
298 |     public struct MacOSVersion: AppleOSVersion {
    |                   `- note: consider making struct 'MacOSVersion' conform to the 'Sendable' protocol
299 |         fileprivate static let name = "macOS"
300 |         fileprivate static let minimumMajorVersion = 10
    :
311 |         /// - Since: First available in PackageDescription 5.0.
312 |         @available(_PackageDescription, introduced: 5.0, deprecated: 5.7, message: "macOS 10.13 is the oldest supported version")
313 |         public static let v10_10: MacOSVersion = .init(string: "10.10")
    |                           |- warning: static property 'v10_10' is not concurrency-safe because non-'Sendable' type 'SupportedPlatform.MacOSVersion' may have shared mutable state; this is an error in the Swift 6 language mode
    |                           |- note: annotate 'v10_10' with '@MainActor' if property should only be accessed from the main actor
    |                           `- note: disable concurrency-safety checks if accesses are protected by an external synchronization mechanism
314 |
315 |         /// The value that represents macOS 10.11.
/host/spi-builder-workspace/Sources/PackageDescription/SupportedPlatforms.swift:319:27: warning: static property 'v10_11' is not concurrency-safe because non-'Sendable' type 'SupportedPlatform.MacOSVersion' may have shared mutable state; this is an error in the Swift 6 language mode
296 |
297 |     /// The supported macOS version.
298 |     public struct MacOSVersion: AppleOSVersion {
    |                   `- note: consider making struct 'MacOSVersion' conform to the 'Sendable' protocol
299 |         fileprivate static let name = "macOS"
300 |         fileprivate static let minimumMajorVersion = 10
    :
317 |         /// - Since: First available in PackageDescription 5.0.
318 |         @available(_PackageDescription, introduced: 5.0, deprecated: 5.7, message: "macOS 10.13 is the oldest supported version")
319 |         public static let v10_11: MacOSVersion = .init(string: "10.11")
    |                           |- warning: static property 'v10_11' is not concurrency-safe because non-'Sendable' type 'SupportedPlatform.MacOSVersion' may have shared mutable state; this is an error in the Swift 6 language mode
    |                           |- note: annotate 'v10_11' with '@MainActor' if property should only be accessed from the main actor
    |                           `- note: disable concurrency-safety checks if accesses are protected by an external synchronization mechanism
320 |
321 |         /// The value that represents macOS 10.12.
/host/spi-builder-workspace/Sources/PackageDescription/SupportedPlatforms.swift:325:27: warning: static property 'v10_12' is not concurrency-safe because non-'Sendable' type 'SupportedPlatform.MacOSVersion' may have shared mutable state; this is an error in the Swift 6 language mode
296 |
297 |     /// The supported macOS version.
298 |     public struct MacOSVersion: AppleOSVersion {
    |                   `- note: consider making struct 'MacOSVersion' conform to the 'Sendable' protocol
299 |         fileprivate static let name = "macOS"
300 |         fileprivate static let minimumMajorVersion = 10
    :
323 |         /// - Since: First available in PackageDescription 5.0.
324 |         @available(_PackageDescription, introduced: 5.0, deprecated: 5.7, message: "macOS 10.13 is the oldest supported version")
325 |         public static let v10_12: MacOSVersion = .init(string: "10.12")
    |                           |- warning: static property 'v10_12' is not concurrency-safe because non-'Sendable' type 'SupportedPlatform.MacOSVersion' may have shared mutable state; this is an error in the Swift 6 language mode
    |                           |- note: annotate 'v10_12' with '@MainActor' if property should only be accessed from the main actor
    |                           `- note: disable concurrency-safety checks if accesses are protected by an external synchronization mechanism
326 |
327 |         /// The value that represents macOS 10.13.
/host/spi-builder-workspace/Sources/PackageDescription/SupportedPlatforms.swift:331:27: warning: static property 'v10_13' is not concurrency-safe because non-'Sendable' type 'SupportedPlatform.MacOSVersion' may have shared mutable state; this is an error in the Swift 6 language mode
296 |
297 |     /// The supported macOS version.
298 |     public struct MacOSVersion: AppleOSVersion {
    |                   `- note: consider making struct 'MacOSVersion' conform to the 'Sendable' protocol
299 |         fileprivate static let name = "macOS"
300 |         fileprivate static let minimumMajorVersion = 10
    :
329 |         /// - Since: First available in PackageDescription 5.0.
330 |         @available(_PackageDescription, introduced: 5.0)
331 |         public static let v10_13: MacOSVersion = .init(string: "10.13")
    |                           |- warning: static property 'v10_13' is not concurrency-safe because non-'Sendable' type 'SupportedPlatform.MacOSVersion' may have shared mutable state; this is an error in the Swift 6 language mode
    |                           |- note: annotate 'v10_13' with '@MainActor' if property should only be accessed from the main actor
    |                           `- note: disable concurrency-safety checks if accesses are protected by an external synchronization mechanism
332 |
333 |         /// The value that represents macOS 10.14.
/host/spi-builder-workspace/Sources/PackageDescription/SupportedPlatforms.swift:337:27: warning: static property 'v10_14' is not concurrency-safe because non-'Sendable' type 'SupportedPlatform.MacOSVersion' may have shared mutable state; this is an error in the Swift 6 language mode
296 |
297 |     /// The supported macOS version.
298 |     public struct MacOSVersion: AppleOSVersion {
    |                   `- note: consider making struct 'MacOSVersion' conform to the 'Sendable' protocol
299 |         fileprivate static let name = "macOS"
300 |         fileprivate static let minimumMajorVersion = 10
    :
335 |         /// - Since: First available in PackageDescription 5.0.
336 |         @available(_PackageDescription, introduced: 5.0)
337 |         public static let v10_14: MacOSVersion = .init(string: "10.14")
    |                           |- warning: static property 'v10_14' is not concurrency-safe because non-'Sendable' type 'SupportedPlatform.MacOSVersion' may have shared mutable state; this is an error in the Swift 6 language mode
    |                           |- note: annotate 'v10_14' with '@MainActor' if property should only be accessed from the main actor
    |                           `- note: disable concurrency-safety checks if accesses are protected by an external synchronization mechanism
338 |
339 |         /// The value that represents macOS 10.15.
/host/spi-builder-workspace/Sources/PackageDescription/SupportedPlatforms.swift:343:27: warning: static property 'v10_15' is not concurrency-safe because non-'Sendable' type 'SupportedPlatform.MacOSVersion' may have shared mutable state; this is an error in the Swift 6 language mode
296 |
297 |     /// The supported macOS version.
298 |     public struct MacOSVersion: AppleOSVersion {
    |                   `- note: consider making struct 'MacOSVersion' conform to the 'Sendable' protocol
299 |         fileprivate static let name = "macOS"
300 |         fileprivate static let minimumMajorVersion = 10
    :
341 |         /// - Since: First available in PackageDescription 5.1.
342 |         @available(_PackageDescription, introduced: 5.1)
343 |         public static let v10_15: MacOSVersion = .init(string: "10.15")
    |                           |- warning: static property 'v10_15' is not concurrency-safe because non-'Sendable' type 'SupportedPlatform.MacOSVersion' may have shared mutable state; this is an error in the Swift 6 language mode
    |                           |- note: annotate 'v10_15' with '@MainActor' if property should only be accessed from the main actor
    |                           `- note: disable concurrency-safety checks if accesses are protected by an external synchronization mechanism
344 |
345 |         /// The value that represents macOS 10.16, which has been
/host/spi-builder-workspace/Sources/PackageDescription/SupportedPlatforms.swift:351:27: warning: static property 'v10_16' is not concurrency-safe because non-'Sendable' type 'SupportedPlatform.MacOSVersion' may have shared mutable state; this is an error in the Swift 6 language mode
296 |
297 |     /// The supported macOS version.
298 |     public struct MacOSVersion: AppleOSVersion {
    |                   `- note: consider making struct 'MacOSVersion' conform to the 'Sendable' protocol
299 |         fileprivate static let name = "macOS"
300 |         fileprivate static let minimumMajorVersion = 10
    :
349 |         @available(*, unavailable, renamed: "v11")
350 |         @available(_PackageDescription, introduced: 5.3)
351 |         public static let v10_16: MacOSVersion = .init(string: "11.0")
    |                           |- warning: static property 'v10_16' is not concurrency-safe because non-'Sendable' type 'SupportedPlatform.MacOSVersion' may have shared mutable state; this is an error in the Swift 6 language mode
    |                           |- note: annotate 'v10_16' with '@MainActor' if property should only be accessed from the main actor
    |                           `- note: disable concurrency-safety checks if accesses are protected by an external synchronization mechanism
352 |
353 |         /// The value that represents macOS 11.0.
/host/spi-builder-workspace/Sources/PackageDescription/SupportedPlatforms.swift:356:27: warning: static property 'v11' is not concurrency-safe because non-'Sendable' type 'SupportedPlatform.MacOSVersion' may have shared mutable state; this is an error in the Swift 6 language mode
296 |
297 |     /// The supported macOS version.
298 |     public struct MacOSVersion: AppleOSVersion {
    |                   `- note: consider making struct 'MacOSVersion' conform to the 'Sendable' protocol
299 |         fileprivate static let name = "macOS"
300 |         fileprivate static let minimumMajorVersion = 10
    :
354 |         /// - Since: First available in PackageDescription 5.3.
355 |         @available(_PackageDescription, introduced: 5.3)
356 |         public static let v11: MacOSVersion = .init(string: "11.0")
    |                           |- warning: static property 'v11' is not concurrency-safe because non-'Sendable' type 'SupportedPlatform.MacOSVersion' may have shared mutable state; this is an error in the Swift 6 language mode
    |                           |- note: annotate 'v11' with '@MainActor' if property should only be accessed from the main actor
    |                           `- note: disable concurrency-safety checks if accesses are protected by an external synchronization mechanism
357 |
358 |         /// The value that represents macOS 12.0.
/host/spi-builder-workspace/Sources/PackageDescription/SupportedPlatforms.swift:362:27: warning: static property 'v12' is not concurrency-safe because non-'Sendable' type 'SupportedPlatform.MacOSVersion' may have shared mutable state; this is an error in the Swift 6 language mode
296 |
297 |     /// The supported macOS version.
298 |     public struct MacOSVersion: AppleOSVersion {
    |                   `- note: consider making struct 'MacOSVersion' conform to the 'Sendable' protocol
299 |         fileprivate static let name = "macOS"
300 |         fileprivate static let minimumMajorVersion = 10
    :
360 |         /// - Since: First available in PackageDescription 5.5.
361 |         @available(_PackageDescription, introduced: 5.5)
362 |         public static let v12: MacOSVersion = .init(string: "12.0")
    |                           |- warning: static property 'v12' is not concurrency-safe because non-'Sendable' type 'SupportedPlatform.MacOSVersion' may have shared mutable state; this is an error in the Swift 6 language mode
    |                           |- note: annotate 'v12' with '@MainActor' if property should only be accessed from the main actor
    |                           `- note: disable concurrency-safety checks if accesses are protected by an external synchronization mechanism
363 |
364 |         /// The value that represents macOS 13.0.
/host/spi-builder-workspace/Sources/PackageDescription/SupportedPlatforms.swift:368:27: warning: static property 'v13' is not concurrency-safe because non-'Sendable' type 'SupportedPlatform.MacOSVersion' may have shared mutable state; this is an error in the Swift 6 language mode
296 |
297 |     /// The supported macOS version.
298 |     public struct MacOSVersion: AppleOSVersion {
    |                   `- note: consider making struct 'MacOSVersion' conform to the 'Sendable' protocol
299 |         fileprivate static let name = "macOS"
300 |         fileprivate static let minimumMajorVersion = 10
    :
366 |         /// - Since: First available in PackageDescription 5.7.
367 |         @available(_PackageDescription, introduced: 5.7)
368 |         public static let v13: MacOSVersion = .init(string: "13.0")
    |                           |- warning: static property 'v13' is not concurrency-safe because non-'Sendable' type 'SupportedPlatform.MacOSVersion' may have shared mutable state; this is an error in the Swift 6 language mode
    |                           |- note: annotate 'v13' with '@MainActor' if property should only be accessed from the main actor
    |                           `- note: disable concurrency-safety checks if accesses are protected by an external synchronization mechanism
369 |
370 |         /// The value that represents macOS 14.0.
/host/spi-builder-workspace/Sources/PackageDescription/SupportedPlatforms.swift:374:27: warning: static property 'v14' is not concurrency-safe because non-'Sendable' type 'SupportedPlatform.MacOSVersion' may have shared mutable state; this is an error in the Swift 6 language mode
296 |
297 |     /// The supported macOS version.
298 |     public struct MacOSVersion: AppleOSVersion {
    |                   `- note: consider making struct 'MacOSVersion' conform to the 'Sendable' protocol
299 |         fileprivate static let name = "macOS"
300 |         fileprivate static let minimumMajorVersion = 10
    :
372 |         /// - Since: First available in PackageDescription 5.9.
373 |         @available(_PackageDescription, introduced: 5.9)
374 |         public static let v14: MacOSVersion = .init(string: "14.0")
    |                           |- warning: static property 'v14' is not concurrency-safe because non-'Sendable' type 'SupportedPlatform.MacOSVersion' may have shared mutable state; this is an error in the Swift 6 language mode
    |                           |- note: annotate 'v14' with '@MainActor' if property should only be accessed from the main actor
    |                           `- note: disable concurrency-safety checks if accesses are protected by an external synchronization mechanism
375 |     }
376 |
/host/spi-builder-workspace/Sources/PackageDescription/SupportedPlatforms.swift:393:27: warning: static property 'v9' is not concurrency-safe because non-'Sendable' type 'SupportedPlatform.TVOSVersion' may have shared mutable state; this is an error in the Swift 6 language mode
376 |
377 |     /// The supported tvOS version.
378 |     public struct TVOSVersion: AppleOSVersion {
    |                   `- note: consider making struct 'TVOSVersion' conform to the 'Sendable' protocol
379 |         fileprivate static let name = "tvOS"
380 |         fileprivate static let minimumMajorVersion = 9
    :
391 |         /// - Since: First available in PackageDescription 5.0.
392 |         @available(_PackageDescription, introduced: 5.0, deprecated: 5.7, message: "tvOS 11.0 is the oldest supported version")
393 |         public static let v9: TVOSVersion = .init(string: "9.0")
    |                           |- warning: static property 'v9' is not concurrency-safe because non-'Sendable' type 'SupportedPlatform.TVOSVersion' may have shared mutable state; this is an error in the Swift 6 language mode
    |                           |- note: annotate 'v9' with '@MainActor' if property should only be accessed from the main actor
    |                           `- note: disable concurrency-safety checks if accesses are protected by an external synchronization mechanism
394 |
395 |         /// The value that represents tvOS 10.0.
/host/spi-builder-workspace/Sources/PackageDescription/SupportedPlatforms.swift:399:27: warning: static property 'v10' is not concurrency-safe because non-'Sendable' type 'SupportedPlatform.TVOSVersion' may have shared mutable state; this is an error in the Swift 6 language mode
376 |
377 |     /// The supported tvOS version.
378 |     public struct TVOSVersion: AppleOSVersion {
    |                   `- note: consider making struct 'TVOSVersion' conform to the 'Sendable' protocol
379 |         fileprivate static let name = "tvOS"
380 |         fileprivate static let minimumMajorVersion = 9
    :
397 |         /// - Since: First available in PackageDescription 5.0.
398 |         @available(_PackageDescription, introduced: 5.0, deprecated: 5.7, message: "tvOS 11.0 is the oldest supported version")
399 |         public static let v10: TVOSVersion = .init(string: "10.0")
    |                           |- warning: static property 'v10' is not concurrency-safe because non-'Sendable' type 'SupportedPlatform.TVOSVersion' may have shared mutable state; this is an error in the Swift 6 language mode
    |                           |- note: annotate 'v10' with '@MainActor' if property should only be accessed from the main actor
    |                           `- note: disable concurrency-safety checks if accesses are protected by an external synchronization mechanism
400 |
401 |         /// The value that represents tvOS 11.0.
/host/spi-builder-workspace/Sources/PackageDescription/SupportedPlatforms.swift:405:27: warning: static property 'v11' is not concurrency-safe because non-'Sendable' type 'SupportedPlatform.TVOSVersion' may have shared mutable state; this is an error in the Swift 6 language mode
376 |
377 |     /// The supported tvOS version.
378 |     public struct TVOSVersion: AppleOSVersion {
    |                   `- note: consider making struct 'TVOSVersion' conform to the 'Sendable' protocol
379 |         fileprivate static let name = "tvOS"
380 |         fileprivate static let minimumMajorVersion = 9
    :
403 |         /// - Since: First available in PackageDescription 5.0.
404 |         @available(_PackageDescription, introduced: 5.0)
405 |         public static let v11: TVOSVersion = .init(string: "11.0")
    |                           |- warning: static property 'v11' is not concurrency-safe because non-'Sendable' type 'SupportedPlatform.TVOSVersion' may have shared mutable state; this is an error in the Swift 6 language mode
    |                           |- note: annotate 'v11' with '@MainActor' if property should only be accessed from the main actor
    |                           `- note: disable concurrency-safety checks if accesses are protected by an external synchronization mechanism
406 |
407 |         /// The value that represents tvOS 12.0.
/host/spi-builder-workspace/Sources/PackageDescription/SupportedPlatforms.swift:411:27: warning: static property 'v12' is not concurrency-safe because non-'Sendable' type 'SupportedPlatform.TVOSVersion' may have shared mutable state; this is an error in the Swift 6 language mode
376 |
377 |     /// The supported tvOS version.
378 |     public struct TVOSVersion: AppleOSVersion {
    |                   `- note: consider making struct 'TVOSVersion' conform to the 'Sendable' protocol
379 |         fileprivate static let name = "tvOS"
380 |         fileprivate static let minimumMajorVersion = 9
    :
409 |         /// - Since: First available in PackageDescription 5.0.
410 |         @available(_PackageDescription, introduced: 5.0)
411 |         public static let v12: TVOSVersion = .init(string: "12.0")
    |                           |- warning: static property 'v12' is not concurrency-safe because non-'Sendable' type 'SupportedPlatform.TVOSVersion' may have shared mutable state; this is an error in the Swift 6 language mode
    |                           |- note: annotate 'v12' with '@MainActor' if property should only be accessed from the main actor
    |                           `- note: disable concurrency-safety checks if accesses are protected by an external synchronization mechanism
412 |
413 |         /// The value that represents tvOS 13.0.
/host/spi-builder-workspace/Sources/PackageDescription/SupportedPlatforms.swift:417:27: warning: static property 'v13' is not concurrency-safe because non-'Sendable' type 'SupportedPlatform.TVOSVersion' may have shared mutable state; this is an error in the Swift 6 language mode
376 |
377 |     /// The supported tvOS version.
378 |     public struct TVOSVersion: AppleOSVersion {
    |                   `- note: consider making struct 'TVOSVersion' conform to the 'Sendable' protocol
379 |         fileprivate static let name = "tvOS"
380 |         fileprivate static let minimumMajorVersion = 9
    :
415 |         /// - Since: First available in PackageDescription 5.1.
416 |         @available(_PackageDescription, introduced: 5.1)
417 |         public static let v13: TVOSVersion = .init(string: "13.0")
    |                           |- warning: static property 'v13' is not concurrency-safe because non-'Sendable' type 'SupportedPlatform.TVOSVersion' may have shared mutable state; this is an error in the Swift 6 language mode
    |                           |- note: annotate 'v13' with '@MainActor' if property should only be accessed from the main actor
    |                           `- note: disable concurrency-safety checks if accesses are protected by an external synchronization mechanism
418 |
419 |         /// The value that represents tvOS 14.0.
/host/spi-builder-workspace/Sources/PackageDescription/SupportedPlatforms.swift:423:27: warning: static property 'v14' is not concurrency-safe because non-'Sendable' type 'SupportedPlatform.TVOSVersion' may have shared mutable state; this is an error in the Swift 6 language mode
376 |
377 |     /// The supported tvOS version.
378 |     public struct TVOSVersion: AppleOSVersion {
    |                   `- note: consider making struct 'TVOSVersion' conform to the 'Sendable' protocol
379 |         fileprivate static let name = "tvOS"
380 |         fileprivate static let minimumMajorVersion = 9
    :
421 |         /// - Since: First available in PackageDescription 5.3.
422 |         @available(_PackageDescription, introduced: 5.3)
423 |         public static let v14: TVOSVersion = .init(string: "14.0")
    |                           |- warning: static property 'v14' is not concurrency-safe because non-'Sendable' type 'SupportedPlatform.TVOSVersion' may have shared mutable state; this is an error in the Swift 6 language mode
    |                           |- note: annotate 'v14' with '@MainActor' if property should only be accessed from the main actor
    |                           `- note: disable concurrency-safety checks if accesses are protected by an external synchronization mechanism
424 |
425 |         /// The value that represents tvOS 15.0.
/host/spi-builder-workspace/Sources/PackageDescription/SupportedPlatforms.swift:429:27: warning: static property 'v15' is not concurrency-safe because non-'Sendable' type 'SupportedPlatform.TVOSVersion' may have shared mutable state; this is an error in the Swift 6 language mode
376 |
377 |     /// The supported tvOS version.
378 |     public struct TVOSVersion: AppleOSVersion {
    |                   `- note: consider making struct 'TVOSVersion' conform to the 'Sendable' protocol
379 |         fileprivate static let name = "tvOS"
380 |         fileprivate static let minimumMajorVersion = 9
    :
427 |         /// - Since: First available in PackageDescription 5.5.
428 |         @available(_PackageDescription, introduced: 5.5)
429 |         public static let v15: TVOSVersion = .init(string: "15.0")
    |                           |- warning: static property 'v15' is not concurrency-safe because non-'Sendable' type 'SupportedPlatform.TVOSVersion' may have shared mutable state; this is an error in the Swift 6 language mode
    |                           |- note: annotate 'v15' with '@MainActor' if property should only be accessed from the main actor
    |                           `- note: disable concurrency-safety checks if accesses are protected by an external synchronization mechanism
430 |
431 |         /// The value that represents tvOS 16.0.
/host/spi-builder-workspace/Sources/PackageDescription/SupportedPlatforms.swift:435:27: warning: static property 'v16' is not concurrency-safe because non-'Sendable' type 'SupportedPlatform.TVOSVersion' may have shared mutable state; this is an error in the Swift 6 language mode
376 |
377 |     /// The supported tvOS version.
378 |     public struct TVOSVersion: AppleOSVersion {
    |                   `- note: consider making struct 'TVOSVersion' conform to the 'Sendable' protocol
379 |         fileprivate static let name = "tvOS"
380 |         fileprivate static let minimumMajorVersion = 9
    :
433 |         /// - Since: First available in PackageDescription 5.7.
434 |         @available(_PackageDescription, introduced: 5.7)
435 |         public static let v16: TVOSVersion = .init(string: "16.0")
    |                           |- warning: static property 'v16' is not concurrency-safe because non-'Sendable' type 'SupportedPlatform.TVOSVersion' may have shared mutable state; this is an error in the Swift 6 language mode
    |                           |- note: annotate 'v16' with '@MainActor' if property should only be accessed from the main actor
    |                           `- note: disable concurrency-safety checks if accesses are protected by an external synchronization mechanism
436 |
437 |         /// The value that represents tvOS 17.0.
/host/spi-builder-workspace/Sources/PackageDescription/SupportedPlatforms.swift:441:27: warning: static property 'v17' is not concurrency-safe because non-'Sendable' type 'SupportedPlatform.TVOSVersion' may have shared mutable state; this is an error in the Swift 6 language mode
376 |
377 |     /// The supported tvOS version.
378 |     public struct TVOSVersion: AppleOSVersion {
    |                   `- note: consider making struct 'TVOSVersion' conform to the 'Sendable' protocol
379 |         fileprivate static let name = "tvOS"
380 |         fileprivate static let minimumMajorVersion = 9
    :
439 |         /// - Since: First available in PackageDescription 5.9.
440 |         @available(_PackageDescription, introduced: 5.9)
441 |         public static let v17: TVOSVersion = .init(string: "17.0")
    |                           |- warning: static property 'v17' is not concurrency-safe because non-'Sendable' type 'SupportedPlatform.TVOSVersion' may have shared mutable state; this is an error in the Swift 6 language mode
    |                           |- note: annotate 'v17' with '@MainActor' if property should only be accessed from the main actor
    |                           `- note: disable concurrency-safety checks if accesses are protected by an external synchronization mechanism
442 |     }
443 |
/host/spi-builder-workspace/Sources/PackageDescription/SupportedPlatforms.swift:460:27: warning: static property 'v13' is not concurrency-safe because non-'Sendable' type 'SupportedPlatform.MacCatalystVersion' may have shared mutable state; this is an error in the Swift 6 language mode
443 |
444 |     /// The supported Mac Catalyst version.
445 |     public struct MacCatalystVersion: AppleOSVersion {
    |                   `- note: consider making struct 'MacCatalystVersion' conform to the 'Sendable' protocol
446 |         fileprivate static let name = "macCatalyst"
447 |         fileprivate static let minimumMajorVersion = 13
    :
458 |         /// - Since: First available in PackageDescription 5.5.
459 |         @available(_PackageDescription, introduced: 5.5)
460 |         public static let v13: MacCatalystVersion = .init(string: "13.0")
    |                           |- warning: static property 'v13' is not concurrency-safe because non-'Sendable' type 'SupportedPlatform.MacCatalystVersion' may have shared mutable state; this is an error in the Swift 6 language mode
    |                           |- note: annotate 'v13' with '@MainActor' if property should only be accessed from the main actor
    |                           `- note: disable concurrency-safety checks if accesses are protected by an external synchronization mechanism
461 |
462 |         /// The value that represents Mac Catalyst 14.0.
/host/spi-builder-workspace/Sources/PackageDescription/SupportedPlatforms.swift:466:27: warning: static property 'v14' is not concurrency-safe because non-'Sendable' type 'SupportedPlatform.MacCatalystVersion' may have shared mutable state; this is an error in the Swift 6 language mode
443 |
444 |     /// The supported Mac Catalyst version.
445 |     public struct MacCatalystVersion: AppleOSVersion {
    |                   `- note: consider making struct 'MacCatalystVersion' conform to the 'Sendable' protocol
446 |         fileprivate static let name = "macCatalyst"
447 |         fileprivate static let minimumMajorVersion = 13
    :
464 |         /// - Since: First available in PackageDescription 5.5.
465 |         @available(_PackageDescription, introduced: 5.5)
466 |         public static let v14: MacCatalystVersion = .init(string: "14.0")
    |                           |- warning: static property 'v14' is not concurrency-safe because non-'Sendable' type 'SupportedPlatform.MacCatalystVersion' may have shared mutable state; this is an error in the Swift 6 language mode
    |                           |- note: annotate 'v14' with '@MainActor' if property should only be accessed from the main actor
    |                           `- note: disable concurrency-safety checks if accesses are protected by an external synchronization mechanism
467 |
468 |         /// The value that represents Mac Catalyst 15.0.
/host/spi-builder-workspace/Sources/PackageDescription/SupportedPlatforms.swift:472:27: warning: static property 'v15' is not concurrency-safe because non-'Sendable' type 'SupportedPlatform.MacCatalystVersion' may have shared mutable state; this is an error in the Swift 6 language mode
443 |
444 |     /// The supported Mac Catalyst version.
445 |     public struct MacCatalystVersion: AppleOSVersion {
    |                   `- note: consider making struct 'MacCatalystVersion' conform to the 'Sendable' protocol
446 |         fileprivate static let name = "macCatalyst"
447 |         fileprivate static let minimumMajorVersion = 13
    :
470 |         /// - Since: First available in PackageDescription 5.5.
471 |         @available(_PackageDescription, introduced: 5.5)
472 |         public static let v15: MacCatalystVersion = .init(string: "15.0")
    |                           |- warning: static property 'v15' is not concurrency-safe because non-'Sendable' type 'SupportedPlatform.MacCatalystVersion' may have shared mutable state; this is an error in the Swift 6 language mode
    |                           |- note: annotate 'v15' with '@MainActor' if property should only be accessed from the main actor
    |                           `- note: disable concurrency-safety checks if accesses are protected by an external synchronization mechanism
473 |
474 |         /// The value that represents Mac Catalyst 16.0.
/host/spi-builder-workspace/Sources/PackageDescription/SupportedPlatforms.swift:478:27: warning: static property 'v16' is not concurrency-safe because non-'Sendable' type 'SupportedPlatform.MacCatalystVersion' may have shared mutable state; this is an error in the Swift 6 language mode
443 |
444 |     /// The supported Mac Catalyst version.
445 |     public struct MacCatalystVersion: AppleOSVersion {
    |                   `- note: consider making struct 'MacCatalystVersion' conform to the 'Sendable' protocol
446 |         fileprivate static let name = "macCatalyst"
447 |         fileprivate static let minimumMajorVersion = 13
    :
476 |         /// - Since: First available in PackageDescription 5.7.
477 |         @available(_PackageDescription, introduced: 5.7)
478 |         public static let v16: MacCatalystVersion = .init(string: "16.0")
    |                           |- warning: static property 'v16' is not concurrency-safe because non-'Sendable' type 'SupportedPlatform.MacCatalystVersion' may have shared mutable state; this is an error in the Swift 6 language mode
    |                           |- note: annotate 'v16' with '@MainActor' if property should only be accessed from the main actor
    |                           `- note: disable concurrency-safety checks if accesses are protected by an external synchronization mechanism
479 |
480 |         /// The value that represents Mac Catalyst 17.0.
/host/spi-builder-workspace/Sources/PackageDescription/SupportedPlatforms.swift:484:27: warning: static property 'v17' is not concurrency-safe because non-'Sendable' type 'SupportedPlatform.MacCatalystVersion' may have shared mutable state; this is an error in the Swift 6 language mode
443 |
444 |     /// The supported Mac Catalyst version.
445 |     public struct MacCatalystVersion: AppleOSVersion {
    |                   `- note: consider making struct 'MacCatalystVersion' conform to the 'Sendable' protocol
446 |         fileprivate static let name = "macCatalyst"
447 |         fileprivate static let minimumMajorVersion = 13
    :
482 |         /// - Since: First available in PackageDescription 5.9.
483 |         @available(_PackageDescription, introduced: 5.9)
484 |         public static let v17: MacCatalystVersion = .init(string: "17.0")
    |                           |- warning: static property 'v17' is not concurrency-safe because non-'Sendable' type 'SupportedPlatform.MacCatalystVersion' may have shared mutable state; this is an error in the Swift 6 language mode
    |                           |- note: annotate 'v17' with '@MainActor' if property should only be accessed from the main actor
    |                           `- note: disable concurrency-safety checks if accesses are protected by an external synchronization mechanism
485 |     }
486 |
/host/spi-builder-workspace/Sources/PackageDescription/SupportedPlatforms.swift:503:27: warning: static property 'v8' is not concurrency-safe because non-'Sendable' type 'SupportedPlatform.IOSVersion' may have shared mutable state; this is an error in the Swift 6 language mode
486 |
487 |     /// The supported iOS version.
488 |     public struct IOSVersion: AppleOSVersion {
    |                   `- note: consider making struct 'IOSVersion' conform to the 'Sendable' protocol
489 |         fileprivate static let name = "iOS"
490 |         fileprivate static let minimumMajorVersion = 2
    :
501 |         /// - Since: First available in PackageDescription 5.0.
502 |         @available(_PackageDescription, introduced: 5.0, deprecated: 5.7, message: "iOS 11.0 is the oldest supported version")
503 |         public static let v8: IOSVersion = .init(string: "8.0")
    |                           |- warning: static property 'v8' is not concurrency-safe because non-'Sendable' type 'SupportedPlatform.IOSVersion' may have shared mutable state; this is an error in the Swift 6 language mode
    |                           |- note: annotate 'v8' with '@MainActor' if property should only be accessed from the main actor
    |                           `- note: disable concurrency-safety checks if accesses are protected by an external synchronization mechanism
504 |
505 |         /// The value that represents iOS 9.0.
/host/spi-builder-workspace/Sources/PackageDescription/SupportedPlatforms.swift:509:27: warning: static property 'v9' is not concurrency-safe because non-'Sendable' type 'SupportedPlatform.IOSVersion' may have shared mutable state; this is an error in the Swift 6 language mode
486 |
487 |     /// The supported iOS version.
488 |     public struct IOSVersion: AppleOSVersion {
    |                   `- note: consider making struct 'IOSVersion' conform to the 'Sendable' protocol
489 |         fileprivate static let name = "iOS"
490 |         fileprivate static let minimumMajorVersion = 2
    :
507 |         /// - Since: First available in PackageDescription 5.0.
508 |         @available(_PackageDescription, introduced: 5.0, deprecated: 5.7, message: "iOS 11.0 is the oldest supported version")
509 |         public static let v9: IOSVersion = .init(string: "9.0")
    |                           |- warning: static property 'v9' is not concurrency-safe because non-'Sendable' type 'SupportedPlatform.IOSVersion' may have shared mutable state; this is an error in the Swift 6 language mode
    |                           |- note: annotate 'v9' with '@MainActor' if property should only be accessed from the main actor
    |                           `- note: disable concurrency-safety checks if accesses are protected by an external synchronization mechanism
510 |
511 |         /// The value that represents iOS 10.0.
/host/spi-builder-workspace/Sources/PackageDescription/SupportedPlatforms.swift:515:27: warning: static property 'v10' is not concurrency-safe because non-'Sendable' type 'SupportedPlatform.IOSVersion' may have shared mutable state; this is an error in the Swift 6 language mode
486 |
487 |     /// The supported iOS version.
488 |     public struct IOSVersion: AppleOSVersion {
    |                   `- note: consider making struct 'IOSVersion' conform to the 'Sendable' protocol
489 |         fileprivate static let name = "iOS"
490 |         fileprivate static let minimumMajorVersion = 2
    :
513 |         /// - Since: First available in PackageDescription 5.0.
514 |         @available(_PackageDescription, introduced: 5.0, deprecated: 5.7, message: "iOS 11.0 is the oldest supported version")
515 |         public static let v10: IOSVersion = .init(string: "10.0")
    |                           |- warning: static property 'v10' is not concurrency-safe because non-'Sendable' type 'SupportedPlatform.IOSVersion' may have shared mutable state; this is an error in the Swift 6 language mode
    |                           |- note: annotate 'v10' with '@MainActor' if property should only be accessed from the main actor
    |                           `- note: disable concurrency-safety checks if accesses are protected by an external synchronization mechanism
516 |
517 |         /// The value that represents iOS 11.0.
/host/spi-builder-workspace/Sources/PackageDescription/SupportedPlatforms.swift:521:27: warning: static property 'v11' is not concurrency-safe because non-'Sendable' type 'SupportedPlatform.IOSVersion' may have shared mutable state; this is an error in the Swift 6 language mode
486 |
487 |     /// The supported iOS version.
488 |     public struct IOSVersion: AppleOSVersion {
    |                   `- note: consider making struct 'IOSVersion' conform to the 'Sendable' protocol
489 |         fileprivate static let name = "iOS"
490 |         fileprivate static let minimumMajorVersion = 2
    :
519 |         /// - Since: First available in PackageDescription 5.0.
520 |         @available(_PackageDescription, introduced: 5.0)
521 |         public static let v11: IOSVersion = .init(string: "11.0")
    |                           |- warning: static property 'v11' is not concurrency-safe because non-'Sendable' type 'SupportedPlatform.IOSVersion' may have shared mutable state; this is an error in the Swift 6 language mode
    |                           |- note: annotate 'v11' with '@MainActor' if property should only be accessed from the main actor
    |                           `- note: disable concurrency-safety checks if accesses are protected by an external synchronization mechanism
522 |
523 |         /// The value that represents iOS 12.0.
/host/spi-builder-workspace/Sources/PackageDescription/SupportedPlatforms.swift:527:27: warning: static property 'v12' is not concurrency-safe because non-'Sendable' type 'SupportedPlatform.IOSVersion' may have shared mutable state; this is an error in the Swift 6 language mode
486 |
487 |     /// The supported iOS version.
488 |     public struct IOSVersion: AppleOSVersion {
    |                   `- note: consider making struct 'IOSVersion' conform to the 'Sendable' protocol
489 |         fileprivate static let name = "iOS"
490 |         fileprivate static let minimumMajorVersion = 2
    :
525 |         /// - Since: First available in PackageDescription 5.0.
526 |         @available(_PackageDescription, introduced: 5.0)
527 |         public static let v12: IOSVersion = .init(string: "12.0")
    |                           |- warning: static property 'v12' is not concurrency-safe because non-'Sendable' type 'SupportedPlatform.IOSVersion' may have shared mutable state; this is an error in the Swift 6 language mode
    |                           |- note: annotate 'v12' with '@MainActor' if property should only be accessed from the main actor
    |                           `- note: disable concurrency-safety checks if accesses are protected by an external synchronization mechanism
528 |
529 |         /// The value that represents iOS 13.0.
/host/spi-builder-workspace/Sources/PackageDescription/SupportedPlatforms.swift:533:27: warning: static property 'v13' is not concurrency-safe because non-'Sendable' type 'SupportedPlatform.IOSVersion' may have shared mutable state; this is an error in the Swift 6 language mode
486 |
487 |     /// The supported iOS version.
488 |     public struct IOSVersion: AppleOSVersion {
    |                   `- note: consider making struct 'IOSVersion' conform to the 'Sendable' protocol
489 |         fileprivate static let name = "iOS"
490 |         fileprivate static let minimumMajorVersion = 2
    :
531 |         /// - Since: First available in PackageDescription 5.1.
532 |         @available(_PackageDescription, introduced: 5.1)
533 |         public static let v13: IOSVersion = .init(string: "13.0")
    |                           |- warning: static property 'v13' is not concurrency-safe because non-'Sendable' type 'SupportedPlatform.IOSVersion' may have shared mutable state; this is an error in the Swift 6 language mode
    |                           |- note: annotate 'v13' with '@MainActor' if property should only be accessed from the main actor
    |                           `- note: disable concurrency-safety checks if accesses are protected by an external synchronization mechanism
534 |
535 |         /// The value that represents iOS 14.0.
/host/spi-builder-workspace/Sources/PackageDescription/SupportedPlatforms.swift:539:27: warning: static property 'v14' is not concurrency-safe because non-'Sendable' type 'SupportedPlatform.IOSVersion' may have shared mutable state; this is an error in the Swift 6 language mode
486 |
487 |     /// The supported iOS version.
488 |     public struct IOSVersion: AppleOSVersion {
    |                   `- note: consider making struct 'IOSVersion' conform to the 'Sendable' protocol
489 |         fileprivate static let name = "iOS"
490 |         fileprivate static let minimumMajorVersion = 2
    :
537 |         /// - Since: First available in PackageDescription 5.3.
538 |         @available(_PackageDescription, introduced: 5.3)
539 |         public static let v14: IOSVersion = .init(string: "14.0")
    |                           |- warning: static property 'v14' is not concurrency-safe because non-'Sendable' type 'SupportedPlatform.IOSVersion' may have shared mutable state; this is an error in the Swift 6 language mode
    |                           |- note: annotate 'v14' with '@MainActor' if property should only be accessed from the main actor
    |                           `- note: disable concurrency-safety checks if accesses are protected by an external synchronization mechanism
540 |
541 |         /// The value that represents iOS 15.0.
/host/spi-builder-workspace/Sources/PackageDescription/SupportedPlatforms.swift:545:27: warning: static property 'v15' is not concurrency-safe because non-'Sendable' type 'SupportedPlatform.IOSVersion' may have shared mutable state; this is an error in the Swift 6 language mode
486 |
487 |     /// The supported iOS version.
488 |     public struct IOSVersion: AppleOSVersion {
    |                   `- note: consider making struct 'IOSVersion' conform to the 'Sendable' protocol
489 |         fileprivate static let name = "iOS"
490 |         fileprivate static let minimumMajorVersion = 2
    :
543 |         /// - Since: First available in PackageDescription 5.5.
544 |         @available(_PackageDescription, introduced: 5.5)
545 |         public static let v15: IOSVersion = .init(string: "15.0")
    |                           |- warning: static property 'v15' is not concurrency-safe because non-'Sendable' type 'SupportedPlatform.IOSVersion' may have shared mutable state; this is an error in the Swift 6 language mode
    |                           |- note: annotate 'v15' with '@MainActor' if property should only be accessed from the main actor
    |                           `- note: disable concurrency-safety checks if accesses are protected by an external synchronization mechanism
546 |
547 |         /// The value that represents iOS 16.0.
/host/spi-builder-workspace/Sources/PackageDescription/SupportedPlatforms.swift:551:27: warning: static property 'v16' is not concurrency-safe because non-'Sendable' type 'SupportedPlatform.IOSVersion' may have shared mutable state; this is an error in the Swift 6 language mode
486 |
487 |     /// The supported iOS version.
488 |     public struct IOSVersion: AppleOSVersion {
    |                   `- note: consider making struct 'IOSVersion' conform to the 'Sendable' protocol
489 |         fileprivate static let name = "iOS"
490 |         fileprivate static let minimumMajorVersion = 2
    :
549 |         /// - Since: First available in PackageDescription 5.7.
550 |         @available(_PackageDescription, introduced: 5.7)
551 |         public static let v16: IOSVersion = .init(string: "16.0")
    |                           |- warning: static property 'v16' is not concurrency-safe because non-'Sendable' type 'SupportedPlatform.IOSVersion' may have shared mutable state; this is an error in the Swift 6 language mode
    |                           |- note: annotate 'v16' with '@MainActor' if property should only be accessed from the main actor
    |                           `- note: disable concurrency-safety checks if accesses are protected by an external synchronization mechanism
552 |
553 |         /// The value that represents iOS 17.0.
/host/spi-builder-workspace/Sources/PackageDescription/SupportedPlatforms.swift:557:27: warning: static property 'v17' is not concurrency-safe because non-'Sendable' type 'SupportedPlatform.IOSVersion' may have shared mutable state; this is an error in the Swift 6 language mode
486 |
487 |     /// The supported iOS version.
488 |     public struct IOSVersion: AppleOSVersion {
    |                   `- note: consider making struct 'IOSVersion' conform to the 'Sendable' protocol
489 |         fileprivate static let name = "iOS"
490 |         fileprivate static let minimumMajorVersion = 2
    :
555 |         /// - Since: First available in PackageDescription 5.9.
556 |         @available(_PackageDescription, introduced: 5.9)
557 |         public static let v17: IOSVersion = .init(string: "17.0")
    |                           |- warning: static property 'v17' is not concurrency-safe because non-'Sendable' type 'SupportedPlatform.IOSVersion' may have shared mutable state; this is an error in the Swift 6 language mode
    |                           |- note: annotate 'v17' with '@MainActor' if property should only be accessed from the main actor
    |                           `- note: disable concurrency-safety checks if accesses are protected by an external synchronization mechanism
558 |     }
559 |
/host/spi-builder-workspace/Sources/PackageDescription/SupportedPlatforms.swift:576:27: warning: static property 'v2' is not concurrency-safe because non-'Sendable' type 'SupportedPlatform.WatchOSVersion' may have shared mutable state; this is an error in the Swift 6 language mode
559 |
560 |     /// The supported watchOS version.
561 |     public struct WatchOSVersion: AppleOSVersion {
    |                   `- note: consider making struct 'WatchOSVersion' conform to the 'Sendable' protocol
562 |         fileprivate static let name = "watchOS"
563 |         fileprivate static let minimumMajorVersion = 2
    :
574 |         /// - Since: First available in PackageDescription 5.0.
575 |         @available(_PackageDescription, introduced: 5.0, deprecated: 5.7, message: "watchOS 4.0 is the oldest supported version")
576 |         public static let v2: WatchOSVersion = .init(string: "2.0")
    |                           |- warning: static property 'v2' is not concurrency-safe because non-'Sendable' type 'SupportedPlatform.WatchOSVersion' may have shared mutable state; this is an error in the Swift 6 language mode
    |                           |- note: annotate 'v2' with '@MainActor' if property should only be accessed from the main actor
    |                           `- note: disable concurrency-safety checks if accesses are protected by an external synchronization mechanism
577 |
578 |         /// The value that represents watchOS 3.0.
/host/spi-builder-workspace/Sources/PackageDescription/SupportedPlatforms.swift:582:27: warning: static property 'v3' is not concurrency-safe because non-'Sendable' type 'SupportedPlatform.WatchOSVersion' may have shared mutable state; this is an error in the Swift 6 language mode
559 |
560 |     /// The supported watchOS version.
561 |     public struct WatchOSVersion: AppleOSVersion {
    |                   `- note: consider making struct 'WatchOSVersion' conform to the 'Sendable' protocol
562 |         fileprivate static let name = "watchOS"
563 |         fileprivate static let minimumMajorVersion = 2
    :
580 |         /// - Since: First available in PackageDescription 5.0.
581 |         @available(_PackageDescription, introduced: 5.0, deprecated: 5.7, message: "watchOS 4.0 is the oldest supported version")
582 |         public static let v3: WatchOSVersion = .init(string: "3.0")
    |                           |- warning: static property 'v3' is not concurrency-safe because non-'Sendable' type 'SupportedPlatform.WatchOSVersion' may have shared mutable state; this is an error in the Swift 6 language mode
    |                           |- note: annotate 'v3' with '@MainActor' if property should only be accessed from the main actor
    |                           `- note: disable concurrency-safety checks if accesses are protected by an external synchronization mechanism
583 |
584 |         /// The value that represents watchOS 4.0.
/host/spi-builder-workspace/Sources/PackageDescription/SupportedPlatforms.swift:588:27: warning: static property 'v4' is not concurrency-safe because non-'Sendable' type 'SupportedPlatform.WatchOSVersion' may have shared mutable state; this is an error in the Swift 6 language mode
559 |
560 |     /// The supported watchOS version.
561 |     public struct WatchOSVersion: AppleOSVersion {
    |                   `- note: consider making struct 'WatchOSVersion' conform to the 'Sendable' protocol
562 |         fileprivate static let name = "watchOS"
563 |         fileprivate static let minimumMajorVersion = 2
    :
586 |         /// - Since: First available in PackageDescription 5.0.
587 |         @available(_PackageDescription, introduced: 5.0)
588 |         public static let v4: WatchOSVersion = .init(string: "4.0")
    |                           |- warning: static property 'v4' is not concurrency-safe because non-'Sendable' type 'SupportedPlatform.WatchOSVersion' may have shared mutable state; this is an error in the Swift 6 language mode
    |                           |- note: annotate 'v4' with '@MainActor' if property should only be accessed from the main actor
    |                           `- note: disable concurrency-safety checks if accesses are protected by an external synchronization mechanism
589 |
590 |         /// The value that represents watchOS 5.0.
/host/spi-builder-workspace/Sources/PackageDescription/SupportedPlatforms.swift:594:27: warning: static property 'v5' is not concurrency-safe because non-'Sendable' type 'SupportedPlatform.WatchOSVersion' may have shared mutable state; this is an error in the Swift 6 language mode
559 |
560 |     /// The supported watchOS version.
561 |     public struct WatchOSVersion: AppleOSVersion {
    |                   `- note: consider making struct 'WatchOSVersion' conform to the 'Sendable' protocol
562 |         fileprivate static let name = "watchOS"
563 |         fileprivate static let minimumMajorVersion = 2
    :
592 |         /// - Since: First available in PackageDescription 5.0.
593 |         @available(_PackageDescription, introduced: 5.0)
594 |         public static let v5: WatchOSVersion = .init(string: "5.0")
    |                           |- warning: static property 'v5' is not concurrency-safe because non-'Sendable' type 'SupportedPlatform.WatchOSVersion' may have shared mutable state; this is an error in the Swift 6 language mode
    |                           |- note: annotate 'v5' with '@MainActor' if property should only be accessed from the main actor
    |                           `- note: disable concurrency-safety checks if accesses are protected by an external synchronization mechanism
595 |
596 |         /// The value that represents watchOS 6.0.
/host/spi-builder-workspace/Sources/PackageDescription/SupportedPlatforms.swift:600:27: warning: static property 'v6' is not concurrency-safe because non-'Sendable' type 'SupportedPlatform.WatchOSVersion' may have shared mutable state; this is an error in the Swift 6 language mode
559 |
560 |     /// The supported watchOS version.
561 |     public struct WatchOSVersion: AppleOSVersion {
    |                   `- note: consider making struct 'WatchOSVersion' conform to the 'Sendable' protocol
562 |         fileprivate static let name = "watchOS"
563 |         fileprivate static let minimumMajorVersion = 2
    :
598 |         /// - Since: First available in PackageDescription 5.1.
599 |         @available(_PackageDescription, introduced: 5.1)
600 |         public static let v6: WatchOSVersion = .init(string: "6.0")
    |                           |- warning: static property 'v6' is not concurrency-safe because non-'Sendable' type 'SupportedPlatform.WatchOSVersion' may have shared mutable state; this is an error in the Swift 6 language mode
    |                           |- note: annotate 'v6' with '@MainActor' if property should only be accessed from the main actor
    |                           `- note: disable concurrency-safety checks if accesses are protected by an external synchronization mechanism
601 |
602 |         /// The value that represents watchOS 7.0.
/host/spi-builder-workspace/Sources/PackageDescription/SupportedPlatforms.swift:606:27: warning: static property 'v7' is not concurrency-safe because non-'Sendable' type 'SupportedPlatform.WatchOSVersion' may have shared mutable state; this is an error in the Swift 6 language mode
559 |
560 |     /// The supported watchOS version.
561 |     public struct WatchOSVersion: AppleOSVersion {
    |                   `- note: consider making struct 'WatchOSVersion' conform to the 'Sendable' protocol
562 |         fileprivate static let name = "watchOS"
563 |         fileprivate static let minimumMajorVersion = 2
    :
604 |         /// - Since: First available in PackageDescription 5.3.
605 |         @available(_PackageDescription, introduced: 5.3)
606 |         public static let v7: WatchOSVersion = .init(string: "7.0")
    |                           |- warning: static property 'v7' is not concurrency-safe because non-'Sendable' type 'SupportedPlatform.WatchOSVersion' may have shared mutable state; this is an error in the Swift 6 language mode
    |                           |- note: annotate 'v7' with '@MainActor' if property should only be accessed from the main actor
    |                           `- note: disable concurrency-safety checks if accesses are protected by an external synchronization mechanism
607 |
608 |         /// The value that represents watchOS 8.0.
/host/spi-builder-workspace/Sources/PackageDescription/SupportedPlatforms.swift:612:27: warning: static property 'v8' is not concurrency-safe because non-'Sendable' type 'SupportedPlatform.WatchOSVersion' may have shared mutable state; this is an error in the Swift 6 language mode
559 |
560 |     /// The supported watchOS version.
561 |     public struct WatchOSVersion: AppleOSVersion {
    |                   `- note: consider making struct 'WatchOSVersion' conform to the 'Sendable' protocol
562 |         fileprivate static let name = "watchOS"
563 |         fileprivate static let minimumMajorVersion = 2
    :
610 |         /// - Since: First available in PackageDescription 5.5.
611 |         @available(_PackageDescription, introduced: 5.5)
612 |         public static let v8: WatchOSVersion = .init(string: "8.0")
    |                           |- warning: static property 'v8' is not concurrency-safe because non-'Sendable' type 'SupportedPlatform.WatchOSVersion' may have shared mutable state; this is an error in the Swift 6 language mode
    |                           |- note: annotate 'v8' with '@MainActor' if property should only be accessed from the main actor
    |                           `- note: disable concurrency-safety checks if accesses are protected by an external synchronization mechanism
613 |
614 |         /// The value that represents watchOS 9.0.
/host/spi-builder-workspace/Sources/PackageDescription/SupportedPlatforms.swift:618:27: warning: static property 'v9' is not concurrency-safe because non-'Sendable' type 'SupportedPlatform.WatchOSVersion' may have shared mutable state; this is an error in the Swift 6 language mode
559 |
560 |     /// The supported watchOS version.
561 |     public struct WatchOSVersion: AppleOSVersion {
    |                   `- note: consider making struct 'WatchOSVersion' conform to the 'Sendable' protocol
562 |         fileprivate static let name = "watchOS"
563 |         fileprivate static let minimumMajorVersion = 2
    :
616 |         /// - Since: First available in PackageDescription 5.7.
617 |         @available(_PackageDescription, introduced: 5.7)
618 |         public static let v9: WatchOSVersion = .init(string: "9.0")
    |                           |- warning: static property 'v9' is not concurrency-safe because non-'Sendable' type 'SupportedPlatform.WatchOSVersion' may have shared mutable state; this is an error in the Swift 6 language mode
    |                           |- note: annotate 'v9' with '@MainActor' if property should only be accessed from the main actor
    |                           `- note: disable concurrency-safety checks if accesses are protected by an external synchronization mechanism
619 |
620 |         /// The value that represents watchOS 10.0.
/host/spi-builder-workspace/Sources/PackageDescription/SupportedPlatforms.swift:624:27: warning: static property 'v10' is not concurrency-safe because non-'Sendable' type 'SupportedPlatform.WatchOSVersion' may have shared mutable state; this is an error in the Swift 6 language mode
559 |
560 |     /// The supported watchOS version.
561 |     public struct WatchOSVersion: AppleOSVersion {
    |                   `- note: consider making struct 'WatchOSVersion' conform to the 'Sendable' protocol
562 |         fileprivate static let name = "watchOS"
563 |         fileprivate static let minimumMajorVersion = 2
    :
622 |         /// - Since: First available in PackageDescription 5.9.
623 |         @available(_PackageDescription, introduced: 5.9)
624 |         public static let v10: WatchOSVersion = .init(string: "10.0")
    |                           |- warning: static property 'v10' is not concurrency-safe because non-'Sendable' type 'SupportedPlatform.WatchOSVersion' may have shared mutable state; this is an error in the Swift 6 language mode
    |                           |- note: annotate 'v10' with '@MainActor' if property should only be accessed from the main actor
    |                           `- note: disable concurrency-safety checks if accesses are protected by an external synchronization mechanism
625 |     }
626 |
/host/spi-builder-workspace/Sources/PackageDescription/SupportedPlatforms.swift:643:27: warning: static property 'v1' is not concurrency-safe because non-'Sendable' type 'SupportedPlatform.VisionOSVersion' may have shared mutable state; this is an error in the Swift 6 language mode
626 |
627 |     /// The supported visionOS version.
628 |     public struct VisionOSVersion: AppleOSVersion {
    |                   `- note: consider making struct 'VisionOSVersion' conform to the 'Sendable' protocol
629 |         fileprivate static let name = "visionOS"
630 |         fileprivate static let minimumMajorVersion = 1
    :
641 |         /// - Since: First available in PackageDescription 5.9.
642 |         @available(_PackageDescription, introduced: 5.9)
643 |         public static let v1: VisionOSVersion = .init(string: "1.0")
    |                           |- warning: static property 'v1' is not concurrency-safe because non-'Sendable' type 'SupportedPlatform.VisionOSVersion' may have shared mutable state; this is an error in the Swift 6 language mode
    |                           |- note: annotate 'v1' with '@MainActor' if property should only be accessed from the main actor
    |                           `- note: disable concurrency-safety checks if accesses are protected by an external synchronization mechanism
644 |     }
645 |
/host/spi-builder-workspace/Sources/PackageDescription/SupportedPlatforms.swift:662:27: warning: static property 'v19' is not concurrency-safe because non-'Sendable' type 'SupportedPlatform.DriverKitVersion' may have shared mutable state; this is an error in the Swift 6 language mode
645 |
646 |     /// The supported DriverKit version.
647 |     public struct DriverKitVersion: AppleOSVersion {
    |                   `- note: consider making struct 'DriverKitVersion' conform to the 'Sendable' protocol
648 |         fileprivate static let name = "DriverKit"
649 |         fileprivate static let minimumMajorVersion = 19
    :
660 |         /// - Since: First available in PackageDescription 5.5.
661 |         @available(_PackageDescription, introduced: 5.5)
662 |         public static let v19: DriverKitVersion = .init(string: "19.0")
    |                           |- warning: static property 'v19' is not concurrency-safe because non-'Sendable' type 'SupportedPlatform.DriverKitVersion' may have shared mutable state; this is an error in the Swift 6 language mode
    |                           |- note: annotate 'v19' with '@MainActor' if property should only be accessed from the main actor
    |                           `- note: disable concurrency-safety checks if accesses are protected by an external synchronization mechanism
663 |
664 |         /// The value that represents DriverKit 20.0.
/host/spi-builder-workspace/Sources/PackageDescription/SupportedPlatforms.swift:668:27: warning: static property 'v20' is not concurrency-safe because non-'Sendable' type 'SupportedPlatform.DriverKitVersion' may have shared mutable state; this is an error in the Swift 6 language mode
645 |
646 |     /// The supported DriverKit version.
647 |     public struct DriverKitVersion: AppleOSVersion {
    |                   `- note: consider making struct 'DriverKitVersion' conform to the 'Sendable' protocol
648 |         fileprivate static let name = "DriverKit"
649 |         fileprivate static let minimumMajorVersion = 19
    :
666 |         /// - Since: First available in PackageDescription 5.5.
667 |         @available(_PackageDescription, introduced: 5.5)
668 |         public static let v20: DriverKitVersion = .init(string: "20.0")
    |                           |- warning: static property 'v20' is not concurrency-safe because non-'Sendable' type 'SupportedPlatform.DriverKitVersion' may have shared mutable state; this is an error in the Swift 6 language mode
    |                           |- note: annotate 'v20' with '@MainActor' if property should only be accessed from the main actor
    |                           `- note: disable concurrency-safety checks if accesses are protected by an external synchronization mechanism
669 |
670 |         /// The value that represents DriverKit 21.0.
/host/spi-builder-workspace/Sources/PackageDescription/SupportedPlatforms.swift:674:27: warning: static property 'v21' is not concurrency-safe because non-'Sendable' type 'SupportedPlatform.DriverKitVersion' may have shared mutable state; this is an error in the Swift 6 language mode
645 |
646 |     /// The supported DriverKit version.
647 |     public struct DriverKitVersion: AppleOSVersion {
    |                   `- note: consider making struct 'DriverKitVersion' conform to the 'Sendable' protocol
648 |         fileprivate static let name = "DriverKit"
649 |         fileprivate static let minimumMajorVersion = 19
    :
672 |         /// - Since: First available in PackageDescription 5.5.
673 |         @available(_PackageDescription, introduced: 5.5)
674 |         public static let v21: DriverKitVersion = .init(string: "21.0")
    |                           |- warning: static property 'v21' is not concurrency-safe because non-'Sendable' type 'SupportedPlatform.DriverKitVersion' may have shared mutable state; this is an error in the Swift 6 language mode
    |                           |- note: annotate 'v21' with '@MainActor' if property should only be accessed from the main actor
    |                           `- note: disable concurrency-safety checks if accesses are protected by an external synchronization mechanism
675 |
676 |         /// The value that represents DriverKit 22.0.
/host/spi-builder-workspace/Sources/PackageDescription/SupportedPlatforms.swift:680:27: warning: static property 'v22' is not concurrency-safe because non-'Sendable' type 'SupportedPlatform.DriverKitVersion' may have shared mutable state; this is an error in the Swift 6 language mode
645 |
646 |     /// The supported DriverKit version.
647 |     public struct DriverKitVersion: AppleOSVersion {
    |                   `- note: consider making struct 'DriverKitVersion' conform to the 'Sendable' protocol
648 |         fileprivate static let name = "DriverKit"
649 |         fileprivate static let minimumMajorVersion = 19
    :
678 |         /// - Since: First available in PackageDescription 5.7.
679 |         @available(_PackageDescription, introduced: 5.7)
680 |         public static let v22: DriverKitVersion = .init(string: "22.0")
    |                           |- warning: static property 'v22' is not concurrency-safe because non-'Sendable' type 'SupportedPlatform.DriverKitVersion' may have shared mutable state; this is an error in the Swift 6 language mode
    |                           |- note: annotate 'v22' with '@MainActor' if property should only be accessed from the main actor
    |                           `- note: disable concurrency-safety checks if accesses are protected by an external synchronization mechanism
681 |
682 |         /// The value that represents DriverKit 23.0.
/host/spi-builder-workspace/Sources/PackageDescription/SupportedPlatforms.swift:686:27: warning: static property 'v23' is not concurrency-safe because non-'Sendable' type 'SupportedPlatform.DriverKitVersion' may have shared mutable state; this is an error in the Swift 6 language mode
645 |
646 |     /// The supported DriverKit version.
647 |     public struct DriverKitVersion: AppleOSVersion {
    |                   `- note: consider making struct 'DriverKitVersion' conform to the 'Sendable' protocol
648 |         fileprivate static let name = "DriverKit"
649 |         fileprivate static let minimumMajorVersion = 19
    :
684 |         /// - Since: First available in PackageDescription 5.9.
685 |         @available(_PackageDescription, introduced: 5.9)
686 |         public static let v23: DriverKitVersion = .init(string: "23.0")
    |                           |- warning: static property 'v23' is not concurrency-safe because non-'Sendable' type 'SupportedPlatform.DriverKitVersion' may have shared mutable state; this is an error in the Swift 6 language mode
    |                           |- note: annotate 'v23' with '@MainActor' if property should only be accessed from the main actor
    |                           `- note: disable concurrency-safety checks if accesses are protected by an external synchronization mechanism
687 |     }
688 |
/host/spi-builder-workspace/Sources/PackageDescription/SupportedPlatforms.swift:692:20: warning: static property 'name' is not concurrency-safe because it is nonisolated global shared mutable state; this is an error in the Swift 6 language mode
690 |     public struct CustomPlatformVersion: AppleOSVersion {
691 |         /// The name of the custom platform.
692 |         static var name: String = "custom platform"
    |                    |- warning: static property 'name' is not concurrency-safe because it is nonisolated global shared mutable state; this is an error in the Swift 6 language mode
    |                    |- note: convert 'name' to a 'let' constant to make 'Sendable' shared state immutable
    |                    |- note: annotate 'name' with '@MainActor' if property should only be accessed from the main actor
    |                    `- note: disable concurrency-safety checks if accesses are protected by an external synchronization mechanism
693 |         /// The minimum valid major version number.
694 |         static var minimumMajorVersion = 0
/host/spi-builder-workspace/Sources/PackageDescription/SupportedPlatforms.swift:694:20: warning: static property 'minimumMajorVersion' is not concurrency-safe because it is nonisolated global shared mutable state; this is an error in the Swift 6 language mode
692 |         static var name: String = "custom platform"
693 |         /// The minimum valid major version number.
694 |         static var minimumMajorVersion = 0
    |                    |- warning: static property 'minimumMajorVersion' is not concurrency-safe because it is nonisolated global shared mutable state; this is an error in the Swift 6 language mode
    |                    |- note: convert 'minimumMajorVersion' to a 'let' constant to make 'Sendable' shared state immutable
    |                    |- note: annotate 'minimumMajorVersion' with '@MainActor' if property should only be accessed from the main actor
    |                    `- note: disable concurrency-safety checks if accesses are protected by an external synchronization mechanism
695 |
696 |         fileprivate init(uncheckedVersion version: String) {
/host/spi-builder-workspace/Sources/PackageDescription/PackageDescription.swift:448:5: warning: var 'errors' is not concurrency-safe because it is nonisolated global shared mutable state; this is an error in the Swift 6 language mode
446 | }
447 |
448 | var errors: [String] = []
    |     |- warning: var 'errors' is not concurrency-safe because it is nonisolated global shared mutable state; this is an error in the Swift 6 language mode
    |     |- note: convert 'errors' to a 'let' constant to make 'Sendable' shared state immutable
    |     |- note: annotate 'errors' with '@MainActor' if property should only be accessed from the main actor
    |     `- note: disable concurrency-safety checks if accesses are protected by an external synchronization mechanism
449 |
450 | #if os(Windows)
/host/spi-builder-workspace/Sources/PackageDescription/Target.swift:13:22: warning: '@_implementationOnly' is deprecated, use 'internal import' instead
  11 | //===----------------------------------------------------------------------===//
  12 |
  13 | @_implementationOnly import Foundation
     |                      `- warning: '@_implementationOnly' is deprecated, use 'internal import' instead
  14 |
  15 | /// The basic building block of a Swift package.
/host/spi-builder-workspace/Sources/PackageDescription/PackageDescription.swift:448:5: warning: var 'errors' is not concurrency-safe because it is nonisolated global shared mutable state; this is an error in the Swift 6 language mode
446 | }
447 |
448 | var errors: [String] = []
    |     |- warning: var 'errors' is not concurrency-safe because it is nonisolated global shared mutable state; this is an error in the Swift 6 language mode
    |     |- note: convert 'errors' to a 'let' constant to make 'Sendable' shared state immutable
    |     |- note: annotate 'errors' with '@MainActor' if property should only be accessed from the main actor
    |     `- note: disable concurrency-safety checks if accesses are protected by an external synchronization mechanism
449 |
450 | #if os(Windows)
/host/spi-builder-workspace/Sources/PackageDescription/Target.swift:13:22: warning: '@_implementationOnly' is deprecated, use 'internal import' instead
  11 | //===----------------------------------------------------------------------===//
  12 |
  13 | @_implementationOnly import Foundation
     |                      `- warning: '@_implementationOnly' is deprecated, use 'internal import' instead
  14 |
  15 | /// The basic building block of a Swift package.
/host/spi-builder-workspace/Sources/PackageDescription/PackageDescription.swift:448:5: warning: var 'errors' is not concurrency-safe because it is nonisolated global shared mutable state; this is an error in the Swift 6 language mode
446 | }
447 |
448 | var errors: [String] = []
    |     |- warning: var 'errors' is not concurrency-safe because it is nonisolated global shared mutable state; this is an error in the Swift 6 language mode
    |     |- note: convert 'errors' to a 'let' constant to make 'Sendable' shared state immutable
    |     |- note: annotate 'errors' with '@MainActor' if property should only be accessed from the main actor
    |     `- note: disable concurrency-safety checks if accesses are protected by an external synchronization mechanism
449 |
450 | #if os(Windows)
[302/872] Wrapping AST for SwiftASN1 for debugging
[303/872] Wrapping AST for PackageCollectionsModel for debugging
[304/872] Wrapping AST for InternalCollectionsUtilities for debugging
[305/872] Wrapping AST for llbuildSwift for debugging
[306/872] Compiling CSystem shims.c
[307/872] Compiling api.c
[308/872] Compiling emitter.c
[309/872] Compiling CSwiftScan CSwiftScanImpl.c
[311/872] Compiling PackagePlugin PluginMessages.swift
/host/spi-builder-workspace/Sources/PackagePlugin/PluginMessages.swift:13:8: warning: module 'Foundation' was not compiled with library evolution support; using it means binary compatibility for 'PackagePlugin' can't be guaranteed
 11 | //===----------------------------------------------------------------------===//
 12 |
 13 | import Foundation
    |        `- warning: module 'Foundation' was not compiled with library evolution support; using it means binary compatibility for 'PackagePlugin' can't be guaranteed
 14 |
 15 | /// A message that the host can send to the plugin, including definitions of the corresponding serializable data structures.
error: verify-emitted-module-interface command failed due to signal 6 (use -v to see invocation)
Please submit a bug report (https://swift.org/contributing/#reporting-bugs) and include the crash backtrace.
Stack dump:
0.	Program arguments: /usr/bin/swift-frontend -frontend -typecheck-module-from-interface /host/spi-builder-workspace/.build/x86_64-unknown-linux-gnu/debug/Modules/PackagePlugin.swiftinterface -target x86_64-unknown-linux-gnu -disable-objc-interop -I /host/spi-builder-workspace/.build/x86_64-unknown-linux-gnu/debug/Modules -enable-library-evolution -enable-testing -g -debug-info-format=dwarf -dwarf-version=4 -module-cache-path /host/spi-builder-workspace/.build/x86_64-unknown-linux-gnu/debug/ModuleCache -swift-version 5 -Onone -package-description-version 999.0 -D SWIFT_PACKAGE -D DEBUG -stats-output-dir .stats -strict-concurrency=complete -resource-dir /usr/lib/swift -enable-anonymous-context-mangled-names -file-compilation-dir /host/spi-builder-workspace -Xcc -fPIC -Xcc -g -Xcc -fno-omit-frame-pointer -module-name PackagePlugin -package-name spi_builder_workspace -plugin-path /usr/lib/swift/host/plugins -plugin-path /usr/local/lib/swift/host/plugins
1.	Swift version 6.0-dev (LLVM c3efe9282719c35, Swift b163fed2b3101e0)
2.	Compiling with effective version 5.10
Stack dump without symbol names (ensure you have llvm-symbolizer in your PATH or set the environment var `LLVM_SYMBOLIZER_PATH` to point to it):
0  swift-frontend 0x000055f3d75a92b7
1  swift-frontend 0x000055f3d75a700e
2  swift-frontend 0x000055f3d75a992a
3  libc.so.6      0x00007f5d1b877520
4  libc.so.6      0x00007f5d1b8cb9fc pthread_kill + 300
5  libc.so.6      0x00007f5d1b877476 raise + 22
6  libc.so.6      0x00007f5d1b85d7f3 abort + 211
7  swift-frontend 0x000055f3d056d52f
8  swift-frontend 0x000055f3d0adf545
9  swift-frontend 0x000055f3d0ae0404
10 swift-frontend 0x000055f3d07b496a
11 swift-frontend 0x000055f3d056afce
12 libc.so.6      0x00007f5d1b85ed90
13 libc.so.6      0x00007f5d1b85ee40 __libc_start_main + 128
14 swift-frontend 0x000055f3d056a075
[312/910] Compiling CCryptoBoringSSLShims shims.c
BUILD FAILURE 6.0 linux