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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 Logr, reference develop (89b1c5), with Swift 6.0 for macOS (SPM) on 2 Nov 2024 13:03:15 UTC.

Swift 6 data race errors: 2

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/nakkht/logr.git
Reference: develop
Initialized empty Git repository in /Users/admin/builder/spi-builder-workspace/.git/
From https://github.com/nakkht/logr
 * branch            develop    -> FETCH_HEAD
 * [new branch]      develop    -> origin/develop
HEAD is now at 89b1c58 Bumped swift tools version to 5.6 on main Package.swift
Cloned https://github.com/nakkht/logr.git
Revision (git rev-parse @):
89b1c58c3418380036d5bf87933be3e2645dc6ee
SUCCESS checkout https://github.com/nakkht/logr.git at develop
========================================
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": "logr",
      "name": "Logr",
      "url": "https://github.com/nakkht/logr.git",
      "version": "unspecified",
      "path": "/Users/admin/builder/spi-builder-workspace/.resolve-product-dependencies/.build/checkouts/logr",
      "dependencies": [
      ]
    }
  ]
}
Fetching https://github.com/nakkht/logr.git
[1/2168] Fetching logr
Fetched https://github.com/nakkht/logr.git from cache (1.16s)
Creating working copy for https://github.com/nakkht/logr.git
Working copy of https://github.com/nakkht/logr.git resolved at develop (89b1c58)
warning: '.resolve-product-dependencies': dependency 'logr' 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/nakkht/logr.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
[3/17] Compiling Logr OSLogType.swift
[4/17] Compiling Logr LogLevel.swift
[5/17] Compiling Logr FileTarget.swift
/Users/admin/builder/spi-builder-workspace/Sources/Logr/Target/File/FileTarget.swift:68:13: warning: capture of 'self' with non-sendable type 'FileTarget' in a `@Sendable` closure; this is an error in the Swift 6 language mode
 18 |
 19 | /// Target class for logging to a file.
 20 | open class FileTarget: Target {
    |            `- note: class 'FileTarget' does not conform to the 'Sendable' protocol
 21 |
 22 |     /// Base directory URL for logged files.
    :
 66 |         dispatchQueue.async {
 67 |             guard let data = log.data(using: .utf8), data.count > 0 else { return }
 68 |             self.fileHandle?.seekToEndOfFile()
    |             `- warning: capture of 'self' with non-sendable type 'FileTarget' in a `@Sendable` closure; this is an error in the Swift 6 language mode
 69 |             self.fileHandle?.write(data)
 70 |             self.fileHandle?.synchronizeFile()
/Users/admin/builder/spi-builder-workspace/Sources/Logr/Target/File/FileTarget.swift:80:13: warning: capture of 'self' with non-sendable type 'FileTarget' in a `@Sendable` closure; this is an error in the Swift 6 language mode
 18 |
 19 | /// Target class for logging to a file.
 20 | open class FileTarget: Target {
    |            `- note: class 'FileTarget' does not conform to the 'Sendable' protocol
 21 |
 22 |     /// Base directory URL for logged files.
    :
 78 |     public func forceArchive(_ completionHandler: @escaping (() -> Void)) {
 79 |         dispatchQueue.async {
 80 |             self.archive()
    |             `- warning: capture of 'self' with non-sendable type 'FileTarget' in a `@Sendable` closure; this is an error in the Swift 6 language mode
 81 |             completionHandler()
 82 |         }
/Users/admin/builder/spi-builder-workspace/Sources/Logr/Target/File/FileTarget.swift:81:13: warning: capture of 'completionHandler' with non-sendable type '() -> Void' in a `@Sendable` closure; this is an error in the Swift 6 language mode
 79 |         dispatchQueue.async {
 80 |             self.archive()
 81 |             completionHandler()
    |             |- warning: capture of 'completionHandler' 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'
 82 |         }
 83 |     }
[6/17] Compiling Logr FileTargetConfig.swift
[7/17] Compiling Logr Message.swift
[8/17] Compiling Logr MetaInfo.swift
[9/17] Compiling Logr Style.swift
[10/17] Compiling Logr Target.swift
[11/18] Emitting module Logr
/Users/admin/builder/spi-builder-workspace/Sources/Logr/LogrService.swift:22:16: warning: static property 'dispatchQueue' is not concurrency-safe because it is nonisolated global shared mutable state; this is an error in the Swift 6 language mode
20 | public class LogrService {
21 |
22 |     static var dispatchQueue = DispatchQueue(label: "logr.service", qos: .background)
   |                |- warning: static property 'dispatchQueue' is not concurrency-safe because it is nonisolated global shared mutable state; this is an error in the Swift 6 language mode
   |                |- note: convert 'dispatchQueue' to a 'let' constant to make 'Sendable' shared state immutable
   |                |- note: annotate 'dispatchQueue' 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
23 |     static var targets: [Target]?
24 |
/Users/admin/builder/spi-builder-workspace/Sources/Logr/LogrService.swift:23:16: warning: static property 'targets' is not concurrency-safe because it is nonisolated global shared mutable state; this is an error in the Swift 6 language mode
21 |
22 |     static var dispatchQueue = DispatchQueue(label: "logr.service", qos: .background)
23 |     static var targets: [Target]?
   |                |- warning: static property 'targets' is not concurrency-safe because it is nonisolated global shared mutable state; this is an error in the Swift 6 language mode
   |                |- note: convert 'targets' to a 'let' constant to make 'Sendable' shared state immutable
   |                |- note: annotate 'targets' 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
24 |
25 |     let async: Bool
[12/18] Compiling Logr Config.swift
[13/18] Compiling Logr DispatchQueue.swift
[14/18] Compiling Logr ConsoleTarget.swift
[15/18] Compiling Logr ConsoleTargetConfig.swift
[16/18] Compiling Logr Logr.swift
/Users/admin/builder/spi-builder-workspace/Sources/Logr/LogrService.swift:22:16: warning: static property 'dispatchQueue' is not concurrency-safe because it is nonisolated global shared mutable state; this is an error in the Swift 6 language mode
20 | public class LogrService {
21 |
22 |     static var dispatchQueue = DispatchQueue(label: "logr.service", qos: .background)
   |                |- warning: static property 'dispatchQueue' is not concurrency-safe because it is nonisolated global shared mutable state; this is an error in the Swift 6 language mode
   |                |- note: convert 'dispatchQueue' to a 'let' constant to make 'Sendable' shared state immutable
   |                |- note: annotate 'dispatchQueue' 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
23 |     static var targets: [Target]?
24 |
/Users/admin/builder/spi-builder-workspace/Sources/Logr/LogrService.swift:23:16: warning: static property 'targets' is not concurrency-safe because it is nonisolated global shared mutable state; this is an error in the Swift 6 language mode
21 |
22 |     static var dispatchQueue = DispatchQueue(label: "logr.service", qos: .background)
23 |     static var targets: [Target]?
   |                |- warning: static property 'targets' is not concurrency-safe because it is nonisolated global shared mutable state; this is an error in the Swift 6 language mode
   |                |- note: convert 'targets' to a 'let' constant to make 'Sendable' shared state immutable
   |                |- note: annotate 'targets' 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
24 |
25 |     let async: Bool
/Users/admin/builder/spi-builder-workspace/Sources/Logr/LogrService.swift:49:47: warning: capture of 'self' with non-sendable type 'LogrService' in a `@Sendable` closure; this is an error in the Swift 6 language mode
18 |
19 | /// Main logging service used for dispatching messages to dedicated targets for further processing.
20 | public class LogrService {
   |              `- note: class 'LogrService' does not conform to the 'Sendable' protocol
21 |
22 |     static var dispatchQueue = DispatchQueue(label: "logr.service", qos: .background)
   :
47 |     public func log(_ message: Message) {
48 |         if async {
49 |             LogrService.dispatchQueue.async { self.dispatchLog(message) }
   |                                               `- warning: capture of 'self' with non-sendable type 'LogrService' in a `@Sendable` closure; this is an error in the Swift 6 language mode
50 |         } else {
51 |             LogrService.dispatchQueue.sync { self.dispatchLog(message) }
/Users/admin/builder/spi-builder-workspace/Sources/Logr/LogrService.swift:49:64: warning: capture of 'message' with non-sendable type 'Message' in a `@Sendable` closure; this is an error in the Swift 6 language mode
47 |     public func log(_ message: Message) {
48 |         if async {
49 |             LogrService.dispatchQueue.async { self.dispatchLog(message) }
   |                                                                `- warning: capture of 'message' with non-sendable type 'Message' in a `@Sendable` closure; this is an error in the Swift 6 language mode
50 |         } else {
51 |             LogrService.dispatchQueue.sync { self.dispatchLog(message) }
/Users/admin/builder/spi-builder-workspace/Sources/Logr/Message.swift:18:15: note: consider making struct 'Message' conform to the 'Sendable' protocol
16 |
17 | /// Immutable struct encapsulating all log message data.
18 | public struct Message: Equatable {
   |               `- note: consider making struct 'Message' conform to the 'Sendable' protocol
19 |
20 |     /// Log level of the log message.
[17/18] Compiling Logr LogrService.swift
/Users/admin/builder/spi-builder-workspace/Sources/Logr/LogrService.swift:22:16: warning: static property 'dispatchQueue' is not concurrency-safe because it is nonisolated global shared mutable state; this is an error in the Swift 6 language mode
20 | public class LogrService {
21 |
22 |     static var dispatchQueue = DispatchQueue(label: "logr.service", qos: .background)
   |                |- warning: static property 'dispatchQueue' is not concurrency-safe because it is nonisolated global shared mutable state; this is an error in the Swift 6 language mode
   |                |- note: convert 'dispatchQueue' to a 'let' constant to make 'Sendable' shared state immutable
   |                |- note: annotate 'dispatchQueue' 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
23 |     static var targets: [Target]?
24 |
/Users/admin/builder/spi-builder-workspace/Sources/Logr/LogrService.swift:23:16: warning: static property 'targets' is not concurrency-safe because it is nonisolated global shared mutable state; this is an error in the Swift 6 language mode
21 |
22 |     static var dispatchQueue = DispatchQueue(label: "logr.service", qos: .background)
23 |     static var targets: [Target]?
   |                |- warning: static property 'targets' is not concurrency-safe because it is nonisolated global shared mutable state; this is an error in the Swift 6 language mode
   |                |- note: convert 'targets' to a 'let' constant to make 'Sendable' shared state immutable
   |                |- note: annotate 'targets' 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
24 |
25 |     let async: Bool
/Users/admin/builder/spi-builder-workspace/Sources/Logr/LogrService.swift:49:47: warning: capture of 'self' with non-sendable type 'LogrService' in a `@Sendable` closure; this is an error in the Swift 6 language mode
18 |
19 | /// Main logging service used for dispatching messages to dedicated targets for further processing.
20 | public class LogrService {
   |              `- note: class 'LogrService' does not conform to the 'Sendable' protocol
21 |
22 |     static var dispatchQueue = DispatchQueue(label: "logr.service", qos: .background)
   :
47 |     public func log(_ message: Message) {
48 |         if async {
49 |             LogrService.dispatchQueue.async { self.dispatchLog(message) }
   |                                               `- warning: capture of 'self' with non-sendable type 'LogrService' in a `@Sendable` closure; this is an error in the Swift 6 language mode
50 |         } else {
51 |             LogrService.dispatchQueue.sync { self.dispatchLog(message) }
/Users/admin/builder/spi-builder-workspace/Sources/Logr/LogrService.swift:49:64: warning: capture of 'message' with non-sendable type 'Message' in a `@Sendable` closure; this is an error in the Swift 6 language mode
47 |     public func log(_ message: Message) {
48 |         if async {
49 |             LogrService.dispatchQueue.async { self.dispatchLog(message) }
   |                                                                `- warning: capture of 'message' with non-sendable type 'Message' in a `@Sendable` closure; this is an error in the Swift 6 language mode
50 |         } else {
51 |             LogrService.dispatchQueue.sync { self.dispatchLog(message) }
/Users/admin/builder/spi-builder-workspace/Sources/Logr/Message.swift:18:15: note: consider making struct 'Message' conform to the 'Sendable' protocol
16 |
17 | /// Immutable struct encapsulating all log message data.
18 | public struct Message: Equatable {
   |               `- note: consider making struct 'Message' conform to the 'Sendable' protocol
19 |
20 |     /// Log level of the log message.
[18/18] Compiling Logr TimeSpan.swift
Build complete! (13.92s)
Build complete.
{
  "dependencies" : [
  ],
  "manifest_display_name" : "Logr",
  "name" : "Logr",
  "path" : "/Users/admin/builder/spi-builder-workspace",
  "platforms" : [
    {
      "name" : "macos",
      "version" : "10.14"
    },
    {
      "name" : "ios",
      "version" : "10.0"
    },
    {
      "name" : "tvos",
      "version" : "10.0"
    },
    {
      "name" : "watchos",
      "version" : "3.0"
    }
  ],
  "products" : [
    {
      "name" : "Logr",
      "targets" : [
        "Logr"
      ],
      "type" : {
        "library" : [
          "automatic"
        ]
      }
    }
  ],
  "swift_languages_versions" : [
    "5"
  ],
  "targets" : [
    {
      "c99name" : "LogrTests",
      "module_type" : "SwiftTarget",
      "name" : "LogrTests",
      "path" : "Tests/LogrTests",
      "sources" : [
        "ConfigTests.swift",
        "Extension/OsLogTypeTests.swift",
        "LogLevelTests.swift",
        "LogrServiceTests.swift",
        "LogrTests.swift",
        "MessageTests.swift",
        "Target/ConsoleTargetTests.swift",
        "Target/FileTargetTests.swift",
        "Util/LogrServiceMock.swift",
        "Util/TargetMock.swift"
      ],
      "target_dependencies" : [
        "Logr"
      ],
      "type" : "test"
    },
    {
      "c99name" : "Logr",
      "module_type" : "SwiftTarget",
      "name" : "Logr",
      "path" : "Sources/Logr",
      "product_memberships" : [
        "Logr"
      ],
      "sources" : [
        "Config.swift",
        "Extension/DispatchQueue.swift",
        "Extension/OSLogType.swift",
        "LogLevel.swift",
        "Logr.swift",
        "LogrService.swift",
        "Message.swift",
        "MetaInfo.swift",
        "Target/Console/ConsoleTarget.swift",
        "Target/Console/ConsoleTargetConfig.swift",
        "Target/File/FileTarget.swift",
        "Target/File/FileTargetConfig.swift",
        "Target/Style.swift",
        "Target/Target.swift",
        "Target/TimeSpan.swift"
      ],
      "type" : "library"
    }
  ],
  "tools_version" : "5.6"
}
Done.