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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

Successful build of Willow, reference 6.1.0 (25fa21), with Swift 6.0 for macOS (SPM) on 3 Nov 2024 09:06:19 UTC.

Swift 6 data race errors: 8

Build Command

env DEVELOPER_DIR=/Applications/Xcode-16.1.0.app xcrun swift build --arch arm64 -Xswiftc -Xfrontend -Xswiftc -stats-output-dir -Xswiftc -Xfrontend -Xswiftc .stats -Xswiftc -strict-concurrency=complete

Build Log

========================================
RunAll
========================================
Builder version: 4.56.0
Interrupt handler set up.
========================================
Checkout
========================================
Clone URL: https://github.com/Nike-Inc/Willow.git
Reference: 6.1.0
Initialized empty Git repository in /Users/admin/builder/spi-builder-workspace/.git/
From https://github.com/Nike-Inc/Willow
 * tag               6.1.0      -> FETCH_HEAD
HEAD is now at 25fa213 Update cocoapods to 1.12.1
Cloned https://github.com/Nike-Inc/Willow.git
Revision (git rev-parse @):
25fa213596658d0e47ac1a4e598daaf9ca7e479a
SUCCESS checkout https://github.com/Nike-Inc/Willow.git at 6.1.0
========================================
ResolveProductDependencies
========================================
Resolving dependencies ...
{
  "identity": ".resolve-product-dependencies",
  "name": "resolve-dependencies",
  "url": "/Users/admin/builder/spi-builder-workspace/.resolve-product-dependencies",
  "version": "unspecified",
  "path": "/Users/admin/builder/spi-builder-workspace/.resolve-product-dependencies",
  "dependencies": [
    {
      "identity": "willow",
      "name": "Willow",
      "url": "https://github.com/Nike-Inc/Willow.git",
      "version": "unspecified",
      "path": "/Users/admin/builder/spi-builder-workspace/.resolve-product-dependencies/.build/checkouts/Willow",
      "dependencies": [
      ]
    }
  ]
}
Fetching https://github.com/Nike-Inc/Willow.git
[1/2859] Fetching willow
Fetched https://github.com/Nike-Inc/Willow.git from cache (1.19s)
Creating working copy for https://github.com/Nike-Inc/Willow.git
Working copy of https://github.com/Nike-Inc/Willow.git resolved at 6.1.0 (25fa213)
warning: '.resolve-product-dependencies': dependency 'willow' is not used by any target
Found 0 product dependencies
========================================
Build
========================================
Selected platform:         macosSpm
Swift version:             6.0
Building package at path:  $PWD
https://github.com/Nike-Inc/Willow.git
Running build ...
env DEVELOPER_DIR=/Applications/Xcode-16.1.0.app xcrun swift build --arch arm64 -Xswiftc -Xfrontend -Xswiftc -stats-output-dir -Xswiftc -Xfrontend -Xswiftc .stats -Xswiftc -strict-concurrency=complete
Building for debugging...
[0/2] Write sources
[1/2] Write swift-version--7754E27361AE5C74.txt
[3/9] Compiling Willow LogModifier.swift
[4/9] Emitting module Willow
/Users/admin/builder/spi-builder-workspace/Source/LogLevel.swift:49:23: warning: static property 'off' is not concurrency-safe because non-'Sendable' type 'LogLevel' may have shared mutable state; this is an error in the Swift 6 language mode
 28 | /// that is used to satisfy the raw value backing the log level. The empty bits that remain allow custom log levels to
 29 | /// be inter-mixed with the default log levels very easily.
 30 | public struct LogLevel: OptionSet, Equatable, Hashable {
    |               `- note: consider making struct 'LogLevel' conform to the 'Sendable' protocol
 31 |
 32 |     // MARK: Properties
    :
 47 |
 48 |     /// Creates a new default `.off` instance with a bitmask where all bits are equal to 0.
 49 |     public static let off = LogLevel(rawValue: offBitmask)
    |                       |- warning: static property 'off' is not concurrency-safe because non-'Sendable' type 'LogLevel' may have shared mutable state; this is an error in the Swift 6 language mode
    |                       |- note: annotate 'off' 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 |     /// Creates a new default `.debug` instance with a bitmask of `1`.
/Users/admin/builder/spi-builder-workspace/Source/LogLevel.swift:52:23: warning: static property 'debug' is not concurrency-safe because non-'Sendable' type 'LogLevel' may have shared mutable state; this is an error in the Swift 6 language mode
 28 | /// that is used to satisfy the raw value backing the log level. The empty bits that remain allow custom log levels to
 29 | /// be inter-mixed with the default log levels very easily.
 30 | public struct LogLevel: OptionSet, Equatable, Hashable {
    |               `- note: consider making struct 'LogLevel' conform to the 'Sendable' protocol
 31 |
 32 |     // MARK: Properties
    :
 50 |
 51 |     /// Creates a new default `.debug` instance with a bitmask of `1`.
 52 |     public static let debug = LogLevel(rawValue: debugBitmask)
    |                       |- warning: static property 'debug' is not concurrency-safe because non-'Sendable' type 'LogLevel' may have shared mutable state; this is an error in the Swift 6 language mode
    |                       |- note: annotate 'debug' 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 |     /// Creates a new default `.info` instance with a bitmask of `1 << 1`.
/Users/admin/builder/spi-builder-workspace/Source/LogLevel.swift:55:23: warning: static property 'info' is not concurrency-safe because non-'Sendable' type 'LogLevel' may have shared mutable state; this is an error in the Swift 6 language mode
 28 | /// that is used to satisfy the raw value backing the log level. The empty bits that remain allow custom log levels to
 29 | /// be inter-mixed with the default log levels very easily.
 30 | public struct LogLevel: OptionSet, Equatable, Hashable {
    |               `- note: consider making struct 'LogLevel' conform to the 'Sendable' protocol
 31 |
 32 |     // MARK: Properties
    :
 53 |
 54 |     /// Creates a new default `.info` instance with a bitmask of `1 << 1`.
 55 |     public static let info = LogLevel(rawValue: infoBitmask)
    |                       |- warning: static property 'info' is not concurrency-safe because non-'Sendable' type 'LogLevel' may have shared mutable state; this is an error in the Swift 6 language mode
    |                       |- note: annotate 'info' 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 |     /// Creates a new default `.event` instance with a bitmask of `1 << 2`.
/Users/admin/builder/spi-builder-workspace/Source/LogLevel.swift:58:23: warning: static property 'event' is not concurrency-safe because non-'Sendable' type 'LogLevel' may have shared mutable state; this is an error in the Swift 6 language mode
 28 | /// that is used to satisfy the raw value backing the log level. The empty bits that remain allow custom log levels to
 29 | /// be inter-mixed with the default log levels very easily.
 30 | public struct LogLevel: OptionSet, Equatable, Hashable {
    |               `- note: consider making struct 'LogLevel' conform to the 'Sendable' protocol
 31 |
 32 |     // MARK: Properties
    :
 56 |
 57 |     /// Creates a new default `.event` instance with a bitmask of `1 << 2`.
 58 |     public static let event = LogLevel(rawValue: eventBitmask)
    |                       |- warning: static property 'event' is not concurrency-safe because non-'Sendable' type 'LogLevel' may have shared mutable state; this is an error in the Swift 6 language mode
    |                       |- note: annotate 'event' 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
 59 |
 60 |     /// Creates a new default `.warn` instance with a bitmask of `1 << 3`.
/Users/admin/builder/spi-builder-workspace/Source/LogLevel.swift:61:23: warning: static property 'warn' is not concurrency-safe because non-'Sendable' type 'LogLevel' may have shared mutable state; this is an error in the Swift 6 language mode
 28 | /// that is used to satisfy the raw value backing the log level. The empty bits that remain allow custom log levels to
 29 | /// be inter-mixed with the default log levels very easily.
 30 | public struct LogLevel: OptionSet, Equatable, Hashable {
    |               `- note: consider making struct 'LogLevel' conform to the 'Sendable' protocol
 31 |
 32 |     // MARK: Properties
    :
 59 |
 60 |     /// Creates a new default `.warn` instance with a bitmask of `1 << 3`.
 61 |     public static let warn = LogLevel(rawValue: warnBitmask)
    |                       |- warning: static property 'warn' is not concurrency-safe because non-'Sendable' type 'LogLevel' may have shared mutable state; this is an error in the Swift 6 language mode
    |                       |- note: annotate 'warn' 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
 62 |
 63 |     /// Creates a new default `.error` instance with a bitmask of `1 << 4`.
/Users/admin/builder/spi-builder-workspace/Source/LogLevel.swift:64:23: warning: static property 'error' is not concurrency-safe because non-'Sendable' type 'LogLevel' may have shared mutable state; this is an error in the Swift 6 language mode
 28 | /// that is used to satisfy the raw value backing the log level. The empty bits that remain allow custom log levels to
 29 | /// be inter-mixed with the default log levels very easily.
 30 | public struct LogLevel: OptionSet, Equatable, Hashable {
    |               `- note: consider making struct 'LogLevel' conform to the 'Sendable' protocol
 31 |
 32 |     // MARK: Properties
    :
 62 |
 63 |     /// Creates a new default `.error` instance with a bitmask of `1 << 4`.
 64 |     public static let error = LogLevel(rawValue: errorBitmask)
    |                       |- warning: static property 'error' is not concurrency-safe because non-'Sendable' type 'LogLevel' may have shared mutable state; this is an error in the Swift 6 language mode
    |                       |- note: annotate 'error' 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
 65 |
 66 |     /// Creates a new default `.all` instance with a bitmask where all bits equal are equal to `1`.
/Users/admin/builder/spi-builder-workspace/Source/LogLevel.swift:67:23: warning: static property 'all' is not concurrency-safe because non-'Sendable' type 'LogLevel' may have shared mutable state; this is an error in the Swift 6 language mode
 28 | /// that is used to satisfy the raw value backing the log level. The empty bits that remain allow custom log levels to
 29 | /// be inter-mixed with the default log levels very easily.
 30 | public struct LogLevel: OptionSet, Equatable, Hashable {
    |               `- note: consider making struct 'LogLevel' conform to the 'Sendable' protocol
 31 |
 32 |     // MARK: Properties
    :
 65 |
 66 |     /// Creates a new default `.all` instance with a bitmask where all bits equal are equal to `1`.
 67 |     public static let all = LogLevel(rawValue: allBitmask)
    |                       |- warning: static property 'all' is not concurrency-safe because non-'Sendable' type 'LogLevel' may have shared mutable state; this is an error in the Swift 6 language mode
    |                       |- note: annotate 'all' 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 |     /// Returns a mask including the minimum log level and above.
/Users/admin/builder/spi-builder-workspace/Source/Logger.swift:68:23: warning: static property 'disabled' is not concurrency-safe because non-'Sendable' type 'Logger' may have shared mutable state; this is an error in the Swift 6 language mode
 31 | /// Loggers can only be configured during initialization. If you need to change a logger at runtime, it is advised to
 32 | /// create an additional logger with a custom configuration to fit your needs.
 33 | open class Logger {
    |            `- note: class 'Logger' does not conform to the 'Sendable' protocol
 34 |
 35 |     // MARK: - Helper Types
    :
 66 |
 67 |     /// A logger that does not output any messages to writers.
 68 |     public static let disabled: Logger = NoOpLogger()
    |                       |- warning: static property 'disabled' is not concurrency-safe because non-'Sendable' type 'Logger' may have shared mutable state; this is an error in the Swift 6 language mode
    |                       |- note: annotate 'disabled' 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
 69 |
 70 |     /// Controls whether to allow log messages to be sent to the writers.
[5/9] Compiling Willow LogFilter.swift
[6/9] Compiling Willow LogLevel.swift
/Users/admin/builder/spi-builder-workspace/Source/LogLevel.swift:49:23: warning: static property 'off' is not concurrency-safe because non-'Sendable' type 'LogLevel' may have shared mutable state; this is an error in the Swift 6 language mode
 28 | /// that is used to satisfy the raw value backing the log level. The empty bits that remain allow custom log levels to
 29 | /// be inter-mixed with the default log levels very easily.
 30 | public struct LogLevel: OptionSet, Equatable, Hashable {
    |               `- note: consider making struct 'LogLevel' conform to the 'Sendable' protocol
 31 |
 32 |     // MARK: Properties
    :
 47 |
 48 |     /// Creates a new default `.off` instance with a bitmask where all bits are equal to 0.
 49 |     public static let off = LogLevel(rawValue: offBitmask)
    |                       |- warning: static property 'off' is not concurrency-safe because non-'Sendable' type 'LogLevel' may have shared mutable state; this is an error in the Swift 6 language mode
    |                       |- note: annotate 'off' 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 |     /// Creates a new default `.debug` instance with a bitmask of `1`.
/Users/admin/builder/spi-builder-workspace/Source/LogLevel.swift:52:23: warning: static property 'debug' is not concurrency-safe because non-'Sendable' type 'LogLevel' may have shared mutable state; this is an error in the Swift 6 language mode
 28 | /// that is used to satisfy the raw value backing the log level. The empty bits that remain allow custom log levels to
 29 | /// be inter-mixed with the default log levels very easily.
 30 | public struct LogLevel: OptionSet, Equatable, Hashable {
    |               `- note: consider making struct 'LogLevel' conform to the 'Sendable' protocol
 31 |
 32 |     // MARK: Properties
    :
 50 |
 51 |     /// Creates a new default `.debug` instance with a bitmask of `1`.
 52 |     public static let debug = LogLevel(rawValue: debugBitmask)
    |                       |- warning: static property 'debug' is not concurrency-safe because non-'Sendable' type 'LogLevel' may have shared mutable state; this is an error in the Swift 6 language mode
    |                       |- note: annotate 'debug' 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 |     /// Creates a new default `.info` instance with a bitmask of `1 << 1`.
/Users/admin/builder/spi-builder-workspace/Source/LogLevel.swift:55:23: warning: static property 'info' is not concurrency-safe because non-'Sendable' type 'LogLevel' may have shared mutable state; this is an error in the Swift 6 language mode
 28 | /// that is used to satisfy the raw value backing the log level. The empty bits that remain allow custom log levels to
 29 | /// be inter-mixed with the default log levels very easily.
 30 | public struct LogLevel: OptionSet, Equatable, Hashable {
    |               `- note: consider making struct 'LogLevel' conform to the 'Sendable' protocol
 31 |
 32 |     // MARK: Properties
    :
 53 |
 54 |     /// Creates a new default `.info` instance with a bitmask of `1 << 1`.
 55 |     public static let info = LogLevel(rawValue: infoBitmask)
    |                       |- warning: static property 'info' is not concurrency-safe because non-'Sendable' type 'LogLevel' may have shared mutable state; this is an error in the Swift 6 language mode
    |                       |- note: annotate 'info' 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 |     /// Creates a new default `.event` instance with a bitmask of `1 << 2`.
/Users/admin/builder/spi-builder-workspace/Source/LogLevel.swift:58:23: warning: static property 'event' is not concurrency-safe because non-'Sendable' type 'LogLevel' may have shared mutable state; this is an error in the Swift 6 language mode
 28 | /// that is used to satisfy the raw value backing the log level. The empty bits that remain allow custom log levels to
 29 | /// be inter-mixed with the default log levels very easily.
 30 | public struct LogLevel: OptionSet, Equatable, Hashable {
    |               `- note: consider making struct 'LogLevel' conform to the 'Sendable' protocol
 31 |
 32 |     // MARK: Properties
    :
 56 |
 57 |     /// Creates a new default `.event` instance with a bitmask of `1 << 2`.
 58 |     public static let event = LogLevel(rawValue: eventBitmask)
    |                       |- warning: static property 'event' is not concurrency-safe because non-'Sendable' type 'LogLevel' may have shared mutable state; this is an error in the Swift 6 language mode
    |                       |- note: annotate 'event' 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
 59 |
 60 |     /// Creates a new default `.warn` instance with a bitmask of `1 << 3`.
/Users/admin/builder/spi-builder-workspace/Source/LogLevel.swift:61:23: warning: static property 'warn' is not concurrency-safe because non-'Sendable' type 'LogLevel' may have shared mutable state; this is an error in the Swift 6 language mode
 28 | /// that is used to satisfy the raw value backing the log level. The empty bits that remain allow custom log levels to
 29 | /// be inter-mixed with the default log levels very easily.
 30 | public struct LogLevel: OptionSet, Equatable, Hashable {
    |               `- note: consider making struct 'LogLevel' conform to the 'Sendable' protocol
 31 |
 32 |     // MARK: Properties
    :
 59 |
 60 |     /// Creates a new default `.warn` instance with a bitmask of `1 << 3`.
 61 |     public static let warn = LogLevel(rawValue: warnBitmask)
    |                       |- warning: static property 'warn' is not concurrency-safe because non-'Sendable' type 'LogLevel' may have shared mutable state; this is an error in the Swift 6 language mode
    |                       |- note: annotate 'warn' 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
 62 |
 63 |     /// Creates a new default `.error` instance with a bitmask of `1 << 4`.
/Users/admin/builder/spi-builder-workspace/Source/LogLevel.swift:64:23: warning: static property 'error' is not concurrency-safe because non-'Sendable' type 'LogLevel' may have shared mutable state; this is an error in the Swift 6 language mode
 28 | /// that is used to satisfy the raw value backing the log level. The empty bits that remain allow custom log levels to
 29 | /// be inter-mixed with the default log levels very easily.
 30 | public struct LogLevel: OptionSet, Equatable, Hashable {
    |               `- note: consider making struct 'LogLevel' conform to the 'Sendable' protocol
 31 |
 32 |     // MARK: Properties
    :
 62 |
 63 |     /// Creates a new default `.error` instance with a bitmask of `1 << 4`.
 64 |     public static let error = LogLevel(rawValue: errorBitmask)
    |                       |- warning: static property 'error' is not concurrency-safe because non-'Sendable' type 'LogLevel' may have shared mutable state; this is an error in the Swift 6 language mode
    |                       |- note: annotate 'error' 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
 65 |
 66 |     /// Creates a new default `.all` instance with a bitmask where all bits equal are equal to `1`.
/Users/admin/builder/spi-builder-workspace/Source/LogLevel.swift:67:23: warning: static property 'all' is not concurrency-safe because non-'Sendable' type 'LogLevel' may have shared mutable state; this is an error in the Swift 6 language mode
 28 | /// that is used to satisfy the raw value backing the log level. The empty bits that remain allow custom log levels to
 29 | /// be inter-mixed with the default log levels very easily.
 30 | public struct LogLevel: OptionSet, Equatable, Hashable {
    |               `- note: consider making struct 'LogLevel' conform to the 'Sendable' protocol
 31 |
 32 |     // MARK: Properties
    :
 65 |
 66 |     /// Creates a new default `.all` instance with a bitmask where all bits equal are equal to `1`.
 67 |     public static let all = LogLevel(rawValue: allBitmask)
    |                       |- warning: static property 'all' is not concurrency-safe because non-'Sendable' type 'LogLevel' may have shared mutable state; this is an error in the Swift 6 language mode
    |                       |- note: annotate 'all' 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 |     /// Returns a mask including the minimum log level and above.
[7/9] Compiling Willow Logger.swift
/Users/admin/builder/spi-builder-workspace/Source/Logger.swift:68:23: warning: static property 'disabled' is not concurrency-safe because non-'Sendable' type 'Logger' may have shared mutable state; this is an error in the Swift 6 language mode
 31 | /// Loggers can only be configured during initialization. If you need to change a logger at runtime, it is advised to
 32 | /// create an additional logger with a custom configuration to fit your needs.
 33 | open class Logger {
    |            `- note: class 'Logger' does not conform to the 'Sendable' protocol
 34 |
 35 |     // MARK: - Helper Types
    :
 66 |
 67 |     /// A logger that does not output any messages to writers.
 68 |     public static let disabled: Logger = NoOpLogger()
    |                       |- warning: static property 'disabled' is not concurrency-safe because non-'Sendable' type 'Logger' may have shared mutable state; this is an error in the Swift 6 language mode
    |                       |- note: annotate 'disabled' 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
 69 |
 70 |     /// Controls whether to allow log messages to be sent to the writers.
/Users/admin/builder/spi-builder-workspace/Source/Logger.swift:60:31: warning: capture of 'work' with non-sendable type '() -> Void' in a `@Sendable` closure; this is an error in the Swift 6 language mode
 58 |
 59 |             case .asynchronous(queue: let queue):
 60 |                 queue.async { work() }
    |                               |- warning: capture of 'work' with non-sendable type '() -> Void' in a `@Sendable` closure; this is an error in the Swift 6 language mode
    |                               `- note: a function type must be marked '@Sendable' to conform to 'Sendable'
 61 |             }
 62 |         }
/Users/admin/builder/spi-builder-workspace/Source/LogLevel.swift:52:23: warning: static property 'debug' is not concurrency-safe because non-'Sendable' type 'LogLevel' may have shared mutable state; this is an error in the Swift 6 language mode
 28 | /// that is used to satisfy the raw value backing the log level. The empty bits that remain allow custom log levels to
 29 | /// be inter-mixed with the default log levels very easily.
 30 | public struct LogLevel: OptionSet, Equatable, Hashable {
    |               `- note: consider making struct 'LogLevel' conform to the 'Sendable' protocol
 31 |
 32 |     // MARK: Properties
    :
 50 |
 51 |     /// Creates a new default `.debug` instance with a bitmask of `1`.
 52 |     public static let debug = LogLevel(rawValue: debugBitmask)
    |                       |- warning: static property 'debug' is not concurrency-safe because non-'Sendable' type 'LogLevel' may have shared mutable state; this is an error in the Swift 6 language mode
    |                       |- note: annotate 'debug' 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 |     /// Creates a new default `.info` instance with a bitmask of `1 << 1`.
/Users/admin/builder/spi-builder-workspace/Source/LogLevel.swift:55:23: warning: static property 'info' is not concurrency-safe because non-'Sendable' type 'LogLevel' may have shared mutable state; this is an error in the Swift 6 language mode
 28 | /// that is used to satisfy the raw value backing the log level. The empty bits that remain allow custom log levels to
 29 | /// be inter-mixed with the default log levels very easily.
 30 | public struct LogLevel: OptionSet, Equatable, Hashable {
    |               `- note: consider making struct 'LogLevel' conform to the 'Sendable' protocol
 31 |
 32 |     // MARK: Properties
    :
 53 |
 54 |     /// Creates a new default `.info` instance with a bitmask of `1 << 1`.
 55 |     public static let info = LogLevel(rawValue: infoBitmask)
    |                       |- warning: static property 'info' is not concurrency-safe because non-'Sendable' type 'LogLevel' may have shared mutable state; this is an error in the Swift 6 language mode
    |                       |- note: annotate 'info' 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 |     /// Creates a new default `.event` instance with a bitmask of `1 << 2`.
/Users/admin/builder/spi-builder-workspace/Source/LogLevel.swift:58:23: warning: static property 'event' is not concurrency-safe because non-'Sendable' type 'LogLevel' may have shared mutable state; this is an error in the Swift 6 language mode
 28 | /// that is used to satisfy the raw value backing the log level. The empty bits that remain allow custom log levels to
 29 | /// be inter-mixed with the default log levels very easily.
 30 | public struct LogLevel: OptionSet, Equatable, Hashable {
    |               `- note: consider making struct 'LogLevel' conform to the 'Sendable' protocol
 31 |
 32 |     // MARK: Properties
    :
 56 |
 57 |     /// Creates a new default `.event` instance with a bitmask of `1 << 2`.
 58 |     public static let event = LogLevel(rawValue: eventBitmask)
    |                       |- warning: static property 'event' is not concurrency-safe because non-'Sendable' type 'LogLevel' may have shared mutable state; this is an error in the Swift 6 language mode
    |                       |- note: annotate 'event' 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
 59 |
 60 |     /// Creates a new default `.warn` instance with a bitmask of `1 << 3`.
/Users/admin/builder/spi-builder-workspace/Source/LogLevel.swift:61:23: warning: static property 'warn' is not concurrency-safe because non-'Sendable' type 'LogLevel' may have shared mutable state; this is an error in the Swift 6 language mode
 28 | /// that is used to satisfy the raw value backing the log level. The empty bits that remain allow custom log levels to
 29 | /// be inter-mixed with the default log levels very easily.
 30 | public struct LogLevel: OptionSet, Equatable, Hashable {
    |               `- note: consider making struct 'LogLevel' conform to the 'Sendable' protocol
 31 |
 32 |     // MARK: Properties
    :
 59 |
 60 |     /// Creates a new default `.warn` instance with a bitmask of `1 << 3`.
 61 |     public static let warn = LogLevel(rawValue: warnBitmask)
    |                       |- warning: static property 'warn' is not concurrency-safe because non-'Sendable' type 'LogLevel' may have shared mutable state; this is an error in the Swift 6 language mode
    |                       |- note: annotate 'warn' 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
 62 |
 63 |     /// Creates a new default `.error` instance with a bitmask of `1 << 4`.
/Users/admin/builder/spi-builder-workspace/Source/LogLevel.swift:64:23: warning: static property 'error' is not concurrency-safe because non-'Sendable' type 'LogLevel' may have shared mutable state; this is an error in the Swift 6 language mode
 28 | /// that is used to satisfy the raw value backing the log level. The empty bits that remain allow custom log levels to
 29 | /// be inter-mixed with the default log levels very easily.
 30 | public struct LogLevel: OptionSet, Equatable, Hashable {
    |               `- note: consider making struct 'LogLevel' conform to the 'Sendable' protocol
 31 |
 32 |     // MARK: Properties
    :
 62 |
 63 |     /// Creates a new default `.error` instance with a bitmask of `1 << 4`.
 64 |     public static let error = LogLevel(rawValue: errorBitmask)
    |                       |- warning: static property 'error' is not concurrency-safe because non-'Sendable' type 'LogLevel' may have shared mutable state; this is an error in the Swift 6 language mode
    |                       |- note: annotate 'error' 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
 65 |
 66 |     /// Creates a new default `.all` instance with a bitmask where all bits equal are equal to `1`.
/Users/admin/builder/spi-builder-workspace/Source/Logger.swift:228:27: warning: capture of 'self' with non-sendable type 'Logger' in a `@Sendable` closure; this is an error in the Swift 6 language mode
 31 | /// Loggers can only be configured during initialization. If you need to change a logger at runtime, it is advised to
 32 | /// create an additional logger with a custom configuration to fit your needs.
 33 | open class Logger {
    |            `- note: class 'Logger' does not conform to the 'Sendable' protocol
 34 |
 35 |     // MARK: - Helper Types
    :
226 |
227 |         case .asynchronous(let queue):
228 |             queue.async { self.logMessage(message(), with: logLevel) }
    |                           `- warning: capture of 'self' with non-sendable type 'Logger' in a `@Sendable` closure; this is an error in the Swift 6 language mode
229 |         }
230 |     }
/Users/admin/builder/spi-builder-workspace/Source/Logger.swift:228:43: warning: capture of 'message' with non-sendable type '() -> (any LogMessage)' in a `@Sendable` closure; this is an error in the Swift 6 language mode
226 |
227 |         case .asynchronous(let queue):
228 |             queue.async { self.logMessage(message(), with: logLevel) }
    |                                           |- warning: capture of 'message' with non-sendable type '() -> (any LogMessage)' in a `@Sendable` closure; this is an error in the Swift 6 language mode
    |                                           `- note: a function type must be marked '@Sendable' to conform to 'Sendable'
229 |         }
230 |     }
/Users/admin/builder/spi-builder-workspace/Source/Logger.swift:228:60: warning: capture of 'logLevel' with non-sendable type 'LogLevel' in a `@Sendable` closure; this is an error in the Swift 6 language mode
226 |
227 |         case .asynchronous(let queue):
228 |             queue.async { self.logMessage(message(), with: logLevel) }
    |                                                            `- warning: capture of 'logLevel' with non-sendable type 'LogLevel' in a `@Sendable` closure; this is an error in the Swift 6 language mode
229 |         }
230 |     }
/Users/admin/builder/spi-builder-workspace/Source/LogLevel.swift:30:15: note: consider making struct 'LogLevel' conform to the 'Sendable' protocol
 28 | /// that is used to satisfy the raw value backing the log level. The empty bits that remain allow custom log levels to
 29 | /// be inter-mixed with the default log levels very easily.
 30 | public struct LogLevel: OptionSet, Equatable, Hashable {
    |               `- note: consider making struct 'LogLevel' conform to the 'Sendable' protocol
 31 |
 32 |     // MARK: Properties
/Users/admin/builder/spi-builder-workspace/Source/Logger.swift:318:27: warning: capture of 'self' with non-sendable type 'Logger' in a `@Sendable` closure; this is an error in the Swift 6 language mode
 31 | /// Loggers can only be configured during initialization. If you need to change a logger at runtime, it is advised to
 32 | /// create an additional logger with a custom configuration to fit your needs.
 33 | open class Logger {
    |            `- note: class 'Logger' does not conform to the 'Sendable' protocol
 34 |
 35 |     // MARK: - Helper Types
    :
316 |
317 |         case .asynchronous(let queue):
318 |             queue.async { self.logMessage(message(), with: logLevel) }
    |                           `- warning: capture of 'self' with non-sendable type 'Logger' in a `@Sendable` closure; this is an error in the Swift 6 language mode
319 |         }
320 |     }
/Users/admin/builder/spi-builder-workspace/Source/Logger.swift:318:43: warning: capture of 'message' with non-sendable type '() -> String' in a `@Sendable` closure; this is an error in the Swift 6 language mode
316 |
317 |         case .asynchronous(let queue):
318 |             queue.async { self.logMessage(message(), with: logLevel) }
    |                                           |- warning: capture of 'message' with non-sendable type '() -> String' in a `@Sendable` closure; this is an error in the Swift 6 language mode
    |                                           `- note: a function type must be marked '@Sendable' to conform to 'Sendable'
319 |         }
320 |     }
/Users/admin/builder/spi-builder-workspace/Source/Logger.swift:318:60: warning: capture of 'logLevel' with non-sendable type 'LogLevel' in a `@Sendable` closure; this is an error in the Swift 6 language mode
316 |
317 |         case .asynchronous(let queue):
318 |             queue.async { self.logMessage(message(), with: logLevel) }
    |                                                            `- warning: capture of 'logLevel' with non-sendable type 'LogLevel' in a `@Sendable` closure; this is an error in the Swift 6 language mode
319 |         }
320 |     }
/Users/admin/builder/spi-builder-workspace/Source/LogLevel.swift:30:15: note: consider making struct 'LogLevel' conform to the 'Sendable' protocol
 28 | /// that is used to satisfy the raw value backing the log level. The empty bits that remain allow custom log levels to
 29 | /// be inter-mixed with the default log levels very easily.
 30 | public struct LogLevel: OptionSet, Equatable, Hashable {
    |               `- note: consider making struct 'LogLevel' conform to the 'Sendable' protocol
 31 |
 32 |     // MARK: Properties
/Users/admin/builder/spi-builder-workspace/Source/LogLevel.swift:49:23: warning: static property 'off' is not concurrency-safe because non-'Sendable' type 'LogLevel' may have shared mutable state; this is an error in the Swift 6 language mode
 28 | /// that is used to satisfy the raw value backing the log level. The empty bits that remain allow custom log levels to
 29 | /// be inter-mixed with the default log levels very easily.
 30 | public struct LogLevel: OptionSet, Equatable, Hashable {
    |               `- note: consider making struct 'LogLevel' conform to the 'Sendable' protocol
 31 |
 32 |     // MARK: Properties
    :
 47 |
 48 |     /// Creates a new default `.off` instance with a bitmask where all bits are equal to 0.
 49 |     public static let off = LogLevel(rawValue: offBitmask)
    |                       |- warning: static property 'off' is not concurrency-safe because non-'Sendable' type 'LogLevel' may have shared mutable state; this is an error in the Swift 6 language mode
    |                       |- note: annotate 'off' 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 |     /// Creates a new default `.debug` instance with a bitmask of `1`.
[8/9] Compiling Willow LogMessage.swift
[9/9] Compiling Willow LogWriter.swift
/Users/admin/builder/spi-builder-workspace/Source/LogLevel.swift:52:23: warning: static property 'debug' is not concurrency-safe because non-'Sendable' type 'LogLevel' may have shared mutable state; this is an error in the Swift 6 language mode
 28 | /// that is used to satisfy the raw value backing the log level. The empty bits that remain allow custom log levels to
 29 | /// be inter-mixed with the default log levels very easily.
 30 | public struct LogLevel: OptionSet, Equatable, Hashable {
    |               `- note: consider making struct 'LogLevel' conform to the 'Sendable' protocol
 31 |
 32 |     // MARK: Properties
    :
 50 |
 51 |     /// Creates a new default `.debug` instance with a bitmask of `1`.
 52 |     public static let debug = LogLevel(rawValue: debugBitmask)
    |                       |- warning: static property 'debug' is not concurrency-safe because non-'Sendable' type 'LogLevel' may have shared mutable state; this is an error in the Swift 6 language mode
    |                       |- note: annotate 'debug' 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 |     /// Creates a new default `.info` instance with a bitmask of `1 << 1`.
/Users/admin/builder/spi-builder-workspace/Source/LogLevel.swift:55:23: warning: static property 'info' is not concurrency-safe because non-'Sendable' type 'LogLevel' may have shared mutable state; this is an error in the Swift 6 language mode
 28 | /// that is used to satisfy the raw value backing the log level. The empty bits that remain allow custom log levels to
 29 | /// be inter-mixed with the default log levels very easily.
 30 | public struct LogLevel: OptionSet, Equatable, Hashable {
    |               `- note: consider making struct 'LogLevel' conform to the 'Sendable' protocol
 31 |
 32 |     // MARK: Properties
    :
 53 |
 54 |     /// Creates a new default `.info` instance with a bitmask of `1 << 1`.
 55 |     public static let info = LogLevel(rawValue: infoBitmask)
    |                       |- warning: static property 'info' is not concurrency-safe because non-'Sendable' type 'LogLevel' may have shared mutable state; this is an error in the Swift 6 language mode
    |                       |- note: annotate 'info' 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 |     /// Creates a new default `.event` instance with a bitmask of `1 << 2`.
/Users/admin/builder/spi-builder-workspace/Source/LogLevel.swift:61:23: warning: static property 'warn' is not concurrency-safe because non-'Sendable' type 'LogLevel' may have shared mutable state; this is an error in the Swift 6 language mode
 28 | /// that is used to satisfy the raw value backing the log level. The empty bits that remain allow custom log levels to
 29 | /// be inter-mixed with the default log levels very easily.
 30 | public struct LogLevel: OptionSet, Equatable, Hashable {
    |               `- note: consider making struct 'LogLevel' conform to the 'Sendable' protocol
 31 |
 32 |     // MARK: Properties
    :
 59 |
 60 |     /// Creates a new default `.warn` instance with a bitmask of `1 << 3`.
 61 |     public static let warn = LogLevel(rawValue: warnBitmask)
    |                       |- warning: static property 'warn' is not concurrency-safe because non-'Sendable' type 'LogLevel' may have shared mutable state; this is an error in the Swift 6 language mode
    |                       |- note: annotate 'warn' 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
 62 |
 63 |     /// Creates a new default `.error` instance with a bitmask of `1 << 4`.
/Users/admin/builder/spi-builder-workspace/Source/LogLevel.swift:64:23: warning: static property 'error' is not concurrency-safe because non-'Sendable' type 'LogLevel' may have shared mutable state; this is an error in the Swift 6 language mode
 28 | /// that is used to satisfy the raw value backing the log level. The empty bits that remain allow custom log levels to
 29 | /// be inter-mixed with the default log levels very easily.
 30 | public struct LogLevel: OptionSet, Equatable, Hashable {
    |               `- note: consider making struct 'LogLevel' conform to the 'Sendable' protocol
 31 |
 32 |     // MARK: Properties
    :
 62 |
 63 |     /// Creates a new default `.error` instance with a bitmask of `1 << 4`.
 64 |     public static let error = LogLevel(rawValue: errorBitmask)
    |                       |- warning: static property 'error' is not concurrency-safe because non-'Sendable' type 'LogLevel' may have shared mutable state; this is an error in the Swift 6 language mode
    |                       |- note: annotate 'error' 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
 65 |
 66 |     /// Creates a new default `.all` instance with a bitmask where all bits equal are equal to `1`.
Build complete! (8.46s)
Build complete.
{
  "dependencies" : [
  ],
  "manifest_display_name" : "Willow",
  "name" : "Willow",
  "path" : "/Users/admin/builder/spi-builder-workspace",
  "platforms" : [
    {
      "name" : "macos",
      "version" : "10.12"
    },
    {
      "name" : "ios",
      "version" : "10.0"
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    {
      "name" : "tvos",
      "version" : "10.0"
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      "name" : "watchos",
      "version" : "3.0"
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  ],
  "products" : [
    {
      "name" : "Willow",
      "targets" : [
        "Willow"
      ],
      "type" : {
        "library" : [
          "automatic"
        ]
      }
    }
  ],
  "swift_languages_versions" : [
    "5"
  ],
  "targets" : [
    {
      "c99name" : "Willow",
      "module_type" : "SwiftTarget",
      "name" : "Willow",
      "path" : "Source",
      "product_memberships" : [
        "Willow"
      ],
      "sources" : [
        "LogFilter.swift",
        "LogLevel.swift",
        "LogMessage.swift",
        "LogModifier.swift",
        "LogWriter.swift",
        "Logger.swift"
      ],
      "type" : "library"
    }
  ],
  "tools_version" : "5.0"
}
Done.