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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 LoggerKit, reference master (9b5462), with Swift 6.0 for macOS (SPM) on 4 Nov 2024 03:21:19 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/kongzii/LoggerKit.git
Reference: master
Initialized empty Git repository in /Users/admin/builder/spi-builder-workspace/.git/
From https://github.com/kongzii/LoggerKit
 * branch            master     -> FETCH_HEAD
 * [new branch]      master     -> origin/master
HEAD is now at 9b54626 [Project] Updated project
Cloned https://github.com/kongzii/LoggerKit.git
Revision (git rev-parse @):
9b54626f49f97c38227009762cce4156dfa313a5
SUCCESS checkout https://github.com/kongzii/LoggerKit.git at master
Fetching https://github.com/onevcat/Rainbow
[1/1126] Fetching rainbow
Fetched https://github.com/onevcat/Rainbow from cache (0.94s)
Computing version for https://github.com/onevcat/Rainbow
Computed https://github.com/onevcat/Rainbow at 3.2.0 (2.75s)
Creating working copy for https://github.com/onevcat/Rainbow
Working copy of https://github.com/onevcat/Rainbow resolved at 3.2.0
========================================
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": "loggerkit",
      "name": "LoggerKit",
      "url": "https://github.com/kongzii/LoggerKit.git",
      "version": "unspecified",
      "path": "/Users/admin/builder/spi-builder-workspace/.resolve-product-dependencies/.build/checkouts/LoggerKit",
      "dependencies": [
        {
          "identity": "rainbow",
          "name": "Rainbow",
          "url": "https://github.com/onevcat/Rainbow",
          "version": "3.2.0",
          "path": "/Users/admin/builder/spi-builder-workspace/.resolve-product-dependencies/.build/checkouts/Rainbow",
          "dependencies": [
          ]
        }
      ]
    }
  ]
}
Fetching https://github.com/kongzii/LoggerKit.git
[1/369] Fetching loggerkit
Fetched https://github.com/kongzii/LoggerKit.git from cache (0.67s)
Fetching https://github.com/onevcat/Rainbow from cache
Fetched https://github.com/onevcat/Rainbow from cache (0.48s)
Computing version for https://github.com/onevcat/Rainbow
Computed https://github.com/onevcat/Rainbow at 3.2.0 (0.02s)
Creating working copy for https://github.com/onevcat/Rainbow
Working copy of https://github.com/onevcat/Rainbow resolved at 3.2.0
Creating working copy for https://github.com/kongzii/LoggerKit.git
Working copy of https://github.com/kongzii/LoggerKit.git resolved at master (9b54626)
warning: '.resolve-product-dependencies': dependency 'loggerkit' is not used by any target
Found 1 product dependencies
  - Rainbow
========================================
Build
========================================
Selected platform:         macosSpm
Swift version:             6.0
Building package at path:  $PWD
https://github.com/kongzii/LoggerKit.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...
[0/3] Write sources
[2/3] Write swift-version--7754E27361AE5C74.txt
[4/14] Emitting module Rainbow
[5/15] Compiling Rainbow ControlCode.swift
[6/15] Compiling Rainbow Color.swift
[7/15] Compiling Rainbow BackgroundColor.swift
[8/15] Compiling Rainbow CodesParser.swift
[9/15] Compiling Rainbow XcodeColorsSupport.swift
[10/15] Compiling Rainbow ModesExtractor.swift
[11/15] Compiling Rainbow StringGenerator.swift
[12/15] Compiling Rainbow Rainbow.swift
[13/15] Compiling Rainbow String+Rainbow.swift
[14/15] Compiling Rainbow OutputTarget.swift
[15/15] Compiling Rainbow Style.swift
[16/17] Compiling LoggerKit Logger.swift
/Users/admin/builder/spi-builder-workspace/LoggerKit/Logger.swift:38:23: warning: static property 'logLevel' is not concurrency-safe because it is nonisolated global shared mutable state; this is an error in the Swift 6 language mode
 36 |     /// The Logger will only log messages with a level equal or higher than this.
 37 |     #if DEBUG
 38 |     public static var logLevel: LogLevel = .debug
    |                       |- warning: static property 'logLevel' is not concurrency-safe because it is nonisolated global shared mutable state; this is an error in the Swift 6 language mode
    |                       |- note: convert 'logLevel' to a 'let' constant to make 'Sendable' shared state immutable
    |                       |- note: annotate 'logLevel' 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
 39 |     #else
 40 |     public static var logLevel: LogLevel = .warning
/Users/admin/builder/spi-builder-workspace/LoggerKit/Logger.swift:58:23: warning: static property 'logMode' is not concurrency-safe because it is nonisolated global shared mutable state; this is an error in the Swift 6 language mode
 56 |
 57 |     /// The mode of the Logger.
 58 |     public static var logMode: LogMode = .logger
    |                       |- warning: static property 'logMode' is not concurrency-safe because it is nonisolated global shared mutable state; this is an error in the Swift 6 language mode
    |                       |- note: convert 'logMode' to a 'let' constant to make 'Sendable' shared state immutable
    |                       |- note: annotate 'logMode' 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 |
[17/17] Emitting module LoggerKit
/Users/admin/builder/spi-builder-workspace/LoggerKit/Logger.swift:38:23: warning: static property 'logLevel' is not concurrency-safe because it is nonisolated global shared mutable state; this is an error in the Swift 6 language mode
 36 |     /// The Logger will only log messages with a level equal or higher than this.
 37 |     #if DEBUG
 38 |     public static var logLevel: LogLevel = .debug
    |                       |- warning: static property 'logLevel' is not concurrency-safe because it is nonisolated global shared mutable state; this is an error in the Swift 6 language mode
    |                       |- note: convert 'logLevel' to a 'let' constant to make 'Sendable' shared state immutable
    |                       |- note: annotate 'logLevel' 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
 39 |     #else
 40 |     public static var logLevel: LogLevel = .warning
/Users/admin/builder/spi-builder-workspace/LoggerKit/Logger.swift:58:23: warning: static property 'logMode' is not concurrency-safe because it is nonisolated global shared mutable state; this is an error in the Swift 6 language mode
 56 |
 57 |     /// The mode of the Logger.
 58 |     public static var logMode: LogMode = .logger
    |                       |- warning: static property 'logMode' is not concurrency-safe because it is nonisolated global shared mutable state; this is an error in the Swift 6 language mode
    |                       |- note: convert 'logMode' to a 'let' constant to make 'Sendable' shared state immutable
    |                       |- note: annotate 'logMode' 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 |
Build complete! (14.72s)
Build complete.
{
  "dependencies" : [
    {
      "identity" : "rainbow",
      "requirement" : {
        "range" : [
          {
            "lower_bound" : "3.0.0",
            "upper_bound" : "4.0.0"
          }
        ]
      },
      "type" : "sourceControl",
      "url" : "https://github.com/onevcat/Rainbow"
    }
  ],
  "manifest_display_name" : "LoggerKit",
  "name" : "LoggerKit",
  "path" : "/Users/admin/builder/spi-builder-workspace",
  "platforms" : [
  ],
  "products" : [
    {
      "name" : "LoggerKit",
      "targets" : [
        "LoggerKit"
      ],
      "type" : {
        "library" : [
          "automatic"
        ]
      }
    }
  ],
  "targets" : [
    {
      "c99name" : "LoggerKitTests",
      "module_type" : "SwiftTarget",
      "name" : "LoggerKitTests",
      "path" : "Tests/LoggerKitTests",
      "sources" : [
        "LoggerKitTests.swift"
      ],
      "target_dependencies" : [
        "LoggerKit"
      ],
      "type" : "test"
    },
    {
      "c99name" : "LoggerKit",
      "module_type" : "SwiftTarget",
      "name" : "LoggerKit",
      "path" : "LoggerKit",
      "product_dependencies" : [
        "Rainbow"
      ],
      "product_memberships" : [
        "LoggerKit"
      ],
      "sources" : [
        "Logger.swift"
      ],
      "type" : "library"
    }
  ],
  "tools_version" : "5.0"
}
Done.