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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 LocalizationToolkit, reference v1.3.0 (1f2205), with Swift 6.0 for macOS (SPM) on 26 Nov 2024 08:57:17 UTC.

Swift 6 data race errors: 1

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 -Xswiftc -enable-upcoming-feature -Xswiftc StrictConcurrency -Xswiftc -enable-upcoming-feature -Xswiftc DisableOutwardActorInference -Xswiftc -enable-upcoming-feature -Xswiftc GlobalActorIsolatedTypesUsability -Xswiftc -enable-upcoming-feature -Xswiftc InferSendableFromCaptures

Build Log

========================================
RunAll
========================================
Builder version: 4.58.0
Interrupt handler set up.
========================================
Checkout
========================================
Clone URL: https://github.com/Digipolitan/localization-toolkit.git
Reference: v1.3.0
Initialized empty Git repository in /Users/admin/builder/spi-builder-workspace/.git/
From https://github.com/Digipolitan/localization-toolkit
 * tag               v1.3.0     -> FETCH_HEAD
HEAD is now at 1f22054 Merge branch 'release/1.3.0'
Cloned https://github.com/Digipolitan/localization-toolkit.git
Revision (git rev-parse @):
1f220544f43ac23779e6b43f54b1f02101740c09
SUCCESS checkout https://github.com/Digipolitan/localization-toolkit.git at v1.3.0
========================================
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": "localization-toolkit",
      "name": "LocalizationToolkit",
      "url": "https://github.com/Digipolitan/localization-toolkit.git",
      "version": "unspecified",
      "path": "/Users/admin/builder/spi-builder-workspace/.resolve-product-dependencies/.build/checkouts/localization-toolkit",
      "dependencies": [
      ]
    }
  ]
}
Fetching https://github.com/Digipolitan/localization-toolkit.git
[1/467] Fetching localization-toolkit
Fetched https://github.com/Digipolitan/localization-toolkit.git from cache (0.78s)
Creating working copy for https://github.com/Digipolitan/localization-toolkit.git
Working copy of https://github.com/Digipolitan/localization-toolkit.git resolved at v1.3.0 (1f22054)
warning: '.resolve-product-dependencies': dependency 'localization-toolkit' 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/Digipolitan/localization-toolkit.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 -Xswiftc -enable-upcoming-feature -Xswiftc StrictConcurrency -Xswiftc -enable-upcoming-feature -Xswiftc DisableOutwardActorInference -Xswiftc -enable-upcoming-feature -Xswiftc GlobalActorIsolatedTypesUsability -Xswiftc -enable-upcoming-feature -Xswiftc InferSendableFromCaptures
Building for debugging...
[0/2] Write sources
[1/2] Write swift-version--7754E27361AE5C74.txt
[3/7] Compiling LocalizationToolkit MultilingualString.swift
/Users/admin/builder/spi-builder-workspace/Sources/LocalizationToolkit/Localization.swift:23:23: warning: static property 'shared' is not concurrency-safe because non-'Sendable' type 'Localization' may have shared mutable state; this is an error in the Swift 6 language mode
  9 | import Foundation
 10 |
 11 | public class Localization {
    |              `- note: class 'Localization' does not conform to the 'Sendable' protocol
 12 |
 13 |     public enum Keys {
    :
 21 |     }
 22 |
 23 |     public static let shared = Localization()
    |                       |- warning: static property 'shared' is not concurrency-safe because non-'Sendable' type 'Localization' may have shared mutable state; this is an error in the Swift 6 language mode
    |                       |- note: annotate 'shared' 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 |     public let fallbackLanguage: String
[4/7] Compiling LocalizationToolkit String+Localization.swift
/Users/admin/builder/spi-builder-workspace/Sources/LocalizationToolkit/Localization.swift:23:23: warning: static property 'shared' is not concurrency-safe because non-'Sendable' type 'Localization' may have shared mutable state; this is an error in the Swift 6 language mode
  9 | import Foundation
 10 |
 11 | public class Localization {
    |              `- note: class 'Localization' does not conform to the 'Sendable' protocol
 12 |
 13 |     public enum Keys {
    :
 21 |     }
 22 |
 23 |     public static let shared = Localization()
    |                       |- warning: static property 'shared' is not concurrency-safe because non-'Sendable' type 'Localization' may have shared mutable state; this is an error in the Swift 6 language mode
    |                       |- note: annotate 'shared' 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 |     public let fallbackLanguage: String
[5/7] Compiling LocalizationToolkit Bundle+Localization.swift
/Users/admin/builder/spi-builder-workspace/Sources/LocalizationToolkit/Localization.swift:23:23: warning: static property 'shared' is not concurrency-safe because non-'Sendable' type 'Localization' may have shared mutable state; this is an error in the Swift 6 language mode
  9 | import Foundation
 10 |
 11 | public class Localization {
    |              `- note: class 'Localization' does not conform to the 'Sendable' protocol
 12 |
 13 |     public enum Keys {
    :
 21 |     }
 22 |
 23 |     public static let shared = Localization()
    |                       |- warning: static property 'shared' is not concurrency-safe because non-'Sendable' type 'Localization' may have shared mutable state; this is an error in the Swift 6 language mode
    |                       |- note: annotate 'shared' 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 |     public let fallbackLanguage: String
[6/7] Emitting module LocalizationToolkit
/Users/admin/builder/spi-builder-workspace/Sources/LocalizationToolkit/Localization.swift:23:23: warning: static property 'shared' is not concurrency-safe because non-'Sendable' type 'Localization' may have shared mutable state; this is an error in the Swift 6 language mode
  9 | import Foundation
 10 |
 11 | public class Localization {
    |              `- note: class 'Localization' does not conform to the 'Sendable' protocol
 12 |
 13 |     public enum Keys {
    :
 21 |     }
 22 |
 23 |     public static let shared = Localization()
    |                       |- warning: static property 'shared' is not concurrency-safe because non-'Sendable' type 'Localization' may have shared mutable state; this is an error in the Swift 6 language mode
    |                       |- note: annotate 'shared' 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 |     public let fallbackLanguage: String
[7/7] Compiling LocalizationToolkit Localization.swift
/Users/admin/builder/spi-builder-workspace/Sources/LocalizationToolkit/Localization.swift:23:23: warning: static property 'shared' is not concurrency-safe because non-'Sendable' type 'Localization' may have shared mutable state; this is an error in the Swift 6 language mode
  9 | import Foundation
 10 |
 11 | public class Localization {
    |              `- note: class 'Localization' does not conform to the 'Sendable' protocol
 12 |
 13 |     public enum Keys {
    :
 21 |     }
 22 |
 23 |     public static let shared = Localization()
    |                       |- warning: static property 'shared' is not concurrency-safe because non-'Sendable' type 'Localization' may have shared mutable state; this is an error in the Swift 6 language mode
    |                       |- note: annotate 'shared' 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 |     public let fallbackLanguage: String
Build complete! (6.24s)
Build complete.
{
  "dependencies" : [
  ],
  "manifest_display_name" : "LocalizationToolkit",
  "name" : "LocalizationToolkit",
  "path" : "/Users/admin/builder/spi-builder-workspace",
  "platforms" : [
  ],
  "products" : [
    {
      "name" : "LocalizationToolkit",
      "targets" : [
        "LocalizationToolkit"
      ],
      "type" : {
        "library" : [
          "automatic"
        ]
      }
    }
  ],
  "targets" : [
    {
      "c99name" : "LocalizationToolkitTests",
      "module_type" : "SwiftTarget",
      "name" : "LocalizationToolkitTests",
      "path" : "Tests/LocalizationToolkitTests",
      "sources" : [
        "LocalizationToolkitTests.swift"
      ],
      "target_dependencies" : [
        "LocalizationToolkit"
      ],
      "type" : "test"
    },
    {
      "c99name" : "LocalizationToolkit",
      "module_type" : "SwiftTarget",
      "name" : "LocalizationToolkit",
      "path" : "Sources/LocalizationToolkit",
      "product_memberships" : [
        "LocalizationToolkit"
      ],
      "sources" : [
        "Bundle+Localization.swift",
        "Localization.swift",
        "MultilingualString.swift",
        "String+Localization.swift"
      ],
      "type" : "library"
    }
  ],
  "tools_version" : "5.0"
}
Done.