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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 with Swift 6.0 for macOS (SPM).

Swift 6 data race errors: 2

Build Command

env DEVELOPER_DIR=/Applications/Xcode-15.3.0.app xcrun --toolchain org.swift.600202405261a swift build --arch arm64 -Xswiftc -Xfrontend -Xswiftc -stats-output-dir -Xswiftc -Xfrontend -Xswiftc .stats -Xswiftc -strict-concurrency=complete

Build Log

========================================
RunAll
========================================
Builder version: 4.40.0
Interrupt handler set up.
========================================
Checkout
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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
========================================
Build
========================================
Selected platform:         macosSpm
Swift version:             6.0
Building package at path:  $workDir
https://github.com/kongzii/LoggerKit.git
Running build ...
env DEVELOPER_DIR=/Applications/Xcode-15.3.0.app xcrun --toolchain org.swift.600202405261a 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-6F35C1178C84523A.txt
[4/14] Compiling Rainbow Style.swift
[5/14] Compiling Rainbow StringGenerator.swift
[6/15] Compiling Rainbow XcodeColorsSupport.swift
[7/15] Compiling Rainbow String+Rainbow.swift
[8/15] Compiling Rainbow Rainbow.swift
[9/15] Compiling Rainbow ModesExtractor.swift
[10/15] Compiling Rainbow ControlCode.swift
[11/15] Compiling Rainbow BackgroundColor.swift
[12/15] Compiling Rainbow CodesParser.swift
[13/15] Compiling Rainbow OutputTarget.swift
[14/15] Compiling Rainbow Color.swift
[15/15] Emitting module Rainbow
[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 non-isolated 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 non-isolated 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 non-isolated 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 non-isolated 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 non-isolated 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 non-isolated 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 non-isolated 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 non-isolated 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! (26.33s)
Fetching https://github.com/onevcat/Rainbow
[1/1118] Fetching rainbow
Fetched https://github.com/onevcat/Rainbow from cache (1.03s)
Computing version for https://github.com/onevcat/Rainbow
Computed https://github.com/onevcat/Rainbow at 3.2.0 (2.63s)
Creating working copy for https://github.com/onevcat/Rainbow
Working copy of https://github.com/onevcat/Rainbow resolved at 3.2.0
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.
This is a staging environment. For live and up-to-date package information, visit swiftpackageindex.com.