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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 Rainbow, reference master (ce2ef5), with Swift 6.0 for macOS (SPM) on 8 Jan 2025 10:58:20 UTC.

Swift 6 data race errors: 4

Build Command

env DEVELOPER_DIR=/Applications/Xcode-16.2.0.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: 4.60.0
Interrupt handler set up.
========================================
Checkout
========================================
Clone URL: https://github.com/onevcat/Rainbow.git
Reference: master
Initialized empty Git repository in /Users/admin/builder/spi-builder-workspace/.git/
From https://github.com/onevcat/Rainbow
 * branch            master     -> FETCH_HEAD
 * [new branch]      master     -> origin/master
HEAD is now at ce2ef58 Upgrade support version
Cloned https://github.com/onevcat/Rainbow.git
Revision (git rev-parse @):
ce2ef5845cdd08750086a255d6d7a18e3b3519de
SUCCESS checkout https://github.com/onevcat/Rainbow.git at master
========================================
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": "rainbow",
      "name": "Rainbow",
      "url": "https://github.com/onevcat/Rainbow.git",
      "version": "unspecified",
      "path": "/Users/admin/builder/spi-builder-workspace/.resolve-product-dependencies/.build/checkouts/Rainbow",
      "dependencies": [
      ]
    }
  ]
}
Fetching https://github.com/onevcat/Rainbow.git
[1/1173] Fetching rainbow
Fetched https://github.com/onevcat/Rainbow.git from cache (0.99s)
Creating working copy for https://github.com/onevcat/Rainbow.git
Working copy of https://github.com/onevcat/Rainbow.git resolved at master (ce2ef58)
warning: '.resolve-product-dependencies': dependency 'rainbow' 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/onevcat/Rainbow.git
https://github.com/onevcat/Rainbow.git
{
  "dependencies" : [
  ],
  "manifest_display_name" : "Rainbow",
  "name" : "Rainbow",
  "path" : "/Users/admin/builder/spi-builder-workspace",
  "platforms" : [
  ],
  "products" : [
    {
      "name" : "Rainbow",
      "targets" : [
        "Rainbow"
      ],
      "type" : {
        "library" : [
          "automatic"
        ]
      }
    },
    {
      "name" : "RainbowPlayground",
      "targets" : [
        "RainbowPlayground"
      ],
      "type" : {
        "executable" : null
      }
    }
  ],
  "targets" : [
    {
      "c99name" : "RainbowTests",
      "module_type" : "SwiftTarget",
      "name" : "RainbowTests",
      "path" : "Tests",
      "sources" : [
        "RainbowTests/ColorApproximatedTests.swift",
        "RainbowTests/ColorTests.swift",
        "RainbowTests/ConsoleStringTests.swift",
        "RainbowTests/ConsoleTextParserTests.swift",
        "RainbowTests/RainbowTests.swift"
      ],
      "target_dependencies" : [
        "Rainbow"
      ],
      "type" : "test"
    },
    {
      "c99name" : "RainbowPlayground",
      "module_type" : "SwiftTarget",
      "name" : "RainbowPlayground",
      "path" : "Playground",
      "product_memberships" : [
        "RainbowPlayground"
      ],
      "sources" : [
        "main.swift"
      ],
      "target_dependencies" : [
        "Rainbow"
      ],
      "type" : "executable"
    },
    {
      "c99name" : "Rainbow",
      "module_type" : "SwiftTarget",
      "name" : "Rainbow",
      "path" : "Sources",
      "product_memberships" : [
        "Rainbow",
        "RainbowPlayground"
      ],
      "sources" : [
        "BackgroundColor.swift",
        "CodesParser.swift",
        "Color.swift",
        "ColorApproximation.swift",
        "ControlCode.swift",
        "ModesExtractor.swift",
        "OutputTarget.swift",
        "Rainbow.swift",
        "String+Rainbow.swift",
        "StringGenerator.swift",
        "Style.swift"
      ],
      "type" : "library"
    }
  ],
  "tools_version" : "4.0"
}
Running build ...
env DEVELOPER_DIR=/Applications/Xcode-16.2.0.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...
[0/7] Write sources
[1/7] Write RainbowPlayground-entitlement.plist
[3/7] Write swift-version-5BDAB9E9C0126B9D.txt
[5/18] Compiling Rainbow String+Rainbow.swift
/Users/admin/builder/spi-builder-workspace/Sources/Rainbow.swift:121:23: warning: static property 'enabled' is not concurrency-safe because it is nonisolated global shared mutable state; this is an error in the Swift 6 language mode
119 |     /// set and `FORCE_COLOR` not set to a valid value ("0" or empty value is treated as "unset". `FORCE_COLOR` has
120 |     /// higher priority than `NO_COLOR` if set).
121 |     public static var enabled = environmentAvailable
    |                       |- warning: static property 'enabled' is not concurrency-safe because it is nonisolated global shared mutable state; this is an error in the Swift 6 language mode
    |                       |- note: convert 'enabled' to a 'let' constant to make 'Sendable' shared state immutable
    |                       |- note: annotate 'enabled' 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
122 |
123 |     public static func extractEntry(for string: String) -> Entry {
[6/19] Compiling Rainbow StringGenerator.swift
[7/19] Compiling Rainbow Style.swift
[8/19] Compiling Rainbow OutputTarget.swift
/Users/admin/builder/spi-builder-workspace/Sources/OutputTarget.swift:46:16: warning: static property 'current' is not concurrency-safe because it is nonisolated global shared mutable state; this is an error in the Swift 6 language mode
44 |
45 |     /// Detected output target by current environment.
46 |     static var current: OutputTarget = {
   |                |- warning: static property 'current' is not concurrency-safe because it is nonisolated global shared mutable state; this is an error in the Swift 6 language mode
   |                |- note: convert 'current' to a 'let' constant to make 'Sendable' shared state immutable
   |                |- note: annotate 'current' 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
47 |         // Check if we are in any term env and the output is a tty.
48 |         let termType = getEnvValue("TERM")
[9/19] Compiling Rainbow ModesExtractor.swift
[10/19] Compiling Rainbow ControlCode.swift
[11/19] Compiling Rainbow ColorApproximation.swift
[12/19] Emitting module Rainbow
/Users/admin/builder/spi-builder-workspace/Sources/OutputTarget.swift:46:16: warning: static property 'current' is not concurrency-safe because it is nonisolated global shared mutable state; this is an error in the Swift 6 language mode
44 |
45 |     /// Detected output target by current environment.
46 |     static var current: OutputTarget = {
   |                |- warning: static property 'current' is not concurrency-safe because it is nonisolated global shared mutable state; this is an error in the Swift 6 language mode
   |                |- note: convert 'current' to a 'let' constant to make 'Sendable' shared state immutable
   |                |- note: annotate 'current' 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
47 |         // Check if we are in any term env and the output is a tty.
48 |         let termType = getEnvValue("TERM")
/Users/admin/builder/spi-builder-workspace/Sources/Rainbow.swift:98:23: warning: static property 'outputTarget' is not concurrency-safe because it is nonisolated global shared mutable state; this is an error in the Swift 6 language mode
 96 |     /// Output target for `Rainbow`. `Rainbow` should detect correct target itself, so you rarely need to set it.
 97 |     /// However, if you want the colorized string to be different, or the detection is not correct, you can set it manually.
 98 |     public static var outputTarget = OutputTarget.current
    |                       |- warning: static property 'outputTarget' is not concurrency-safe because it is nonisolated global shared mutable state; this is an error in the Swift 6 language mode
    |                       |- note: convert 'outputTarget' to a 'let' constant to make 'Sendable' shared state immutable
    |                       |- note: annotate 'outputTarget' 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
 99 |
100 |     static var environment = ProcessInfo.processInfo.environment
/Users/admin/builder/spi-builder-workspace/Sources/Rainbow.swift:100:16: warning: static property 'environment' is not concurrency-safe because it is nonisolated global shared mutable state; this is an error in the Swift 6 language mode
 98 |     public static var outputTarget = OutputTarget.current
 99 |
100 |     static var environment = ProcessInfo.processInfo.environment
    |                |- warning: static property 'environment' is not concurrency-safe because it is nonisolated global shared mutable state; this is an error in the Swift 6 language mode
    |                |- note: convert 'environment' to a 'let' constant to make 'Sendable' shared state immutable
    |                |- note: annotate 'environment' 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
101 |     static func hasValidValueInEnvironment(_ key: String) -> Bool {
102 |         guard !key.isEmpty, let value = environment[key] else {
/Users/admin/builder/spi-builder-workspace/Sources/Rainbow.swift:121:23: warning: static property 'enabled' is not concurrency-safe because it is nonisolated global shared mutable state; this is an error in the Swift 6 language mode
119 |     /// set and `FORCE_COLOR` not set to a valid value ("0" or empty value is treated as "unset". `FORCE_COLOR` has
120 |     /// higher priority than `NO_COLOR` if set).
121 |     public static var enabled = environmentAvailable
    |                       |- warning: static property 'enabled' is not concurrency-safe because it is nonisolated global shared mutable state; this is an error in the Swift 6 language mode
    |                       |- note: convert 'enabled' to a 'let' constant to make 'Sendable' shared state immutable
    |                       |- note: annotate 'enabled' 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
122 |
123 |     public static func extractEntry(for string: String) -> Entry {
[13/19] Compiling Rainbow BackgroundColor.swift
[14/19] Compiling Rainbow CodesParser.swift
[15/19] Compiling Rainbow Color.swift
[16/19] Compiling Rainbow Rainbow.swift
/Users/admin/builder/spi-builder-workspace/Sources/Rainbow.swift:98:23: warning: static property 'outputTarget' is not concurrency-safe because it is nonisolated global shared mutable state; this is an error in the Swift 6 language mode
 96 |     /// Output target for `Rainbow`. `Rainbow` should detect correct target itself, so you rarely need to set it.
 97 |     /// However, if you want the colorized string to be different, or the detection is not correct, you can set it manually.
 98 |     public static var outputTarget = OutputTarget.current
    |                       |- warning: static property 'outputTarget' is not concurrency-safe because it is nonisolated global shared mutable state; this is an error in the Swift 6 language mode
    |                       |- note: convert 'outputTarget' to a 'let' constant to make 'Sendable' shared state immutable
    |                       |- note: annotate 'outputTarget' 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
 99 |
100 |     static var environment = ProcessInfo.processInfo.environment
/Users/admin/builder/spi-builder-workspace/Sources/OutputTarget.swift:46:16: warning: static property 'current' is not concurrency-safe because it is nonisolated global shared mutable state; this is an error in the Swift 6 language mode
44 |
45 |     /// Detected output target by current environment.
46 |     static var current: OutputTarget = {
   |                |- warning: static property 'current' is not concurrency-safe because it is nonisolated global shared mutable state; this is an error in the Swift 6 language mode
   |                |- note: convert 'current' to a 'let' constant to make 'Sendable' shared state immutable
   |                |- note: annotate 'current' 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
47 |         // Check if we are in any term env and the output is a tty.
48 |         let termType = getEnvValue("TERM")
/Users/admin/builder/spi-builder-workspace/Sources/Rainbow.swift:100:16: warning: static property 'environment' is not concurrency-safe because it is nonisolated global shared mutable state; this is an error in the Swift 6 language mode
 98 |     public static var outputTarget = OutputTarget.current
 99 |
100 |     static var environment = ProcessInfo.processInfo.environment
    |                |- warning: static property 'environment' is not concurrency-safe because it is nonisolated global shared mutable state; this is an error in the Swift 6 language mode
    |                |- note: convert 'environment' to a 'let' constant to make 'Sendable' shared state immutable
    |                |- note: annotate 'environment' 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
101 |     static func hasValidValueInEnvironment(_ key: String) -> Bool {
102 |         guard !key.isEmpty, let value = environment[key] else {
/Users/admin/builder/spi-builder-workspace/Sources/Rainbow.swift:121:23: warning: static property 'enabled' is not concurrency-safe because it is nonisolated global shared mutable state; this is an error in the Swift 6 language mode
119 |     /// set and `FORCE_COLOR` not set to a valid value ("0" or empty value is treated as "unset". `FORCE_COLOR` has
120 |     /// higher priority than `NO_COLOR` if set).
121 |     public static var enabled = environmentAvailable
    |                       |- warning: static property 'enabled' is not concurrency-safe because it is nonisolated global shared mutable state; this is an error in the Swift 6 language mode
    |                       |- note: convert 'enabled' to a 'let' constant to make 'Sendable' shared state immutable
    |                       |- note: annotate 'enabled' 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
122 |
123 |     public static func extractEntry(for string: String) -> Entry {
[17/21] Emitting module RainbowPlayground
[18/21] Compiling RainbowPlayground main.swift
[18/21] Write Objects.LinkFileList
[19/21] Linking RainbowPlayground
[20/21] Applying RainbowPlayground
Build complete! (11.78s)
Build complete.
{
  "dependencies" : [
  ],
  "manifest_display_name" : "Rainbow",
  "name" : "Rainbow",
  "path" : "/Users/admin/builder/spi-builder-workspace",
  "platforms" : [
  ],
  "products" : [
    {
      "name" : "Rainbow",
      "targets" : [
        "Rainbow"
      ],
      "type" : {
        "library" : [
          "automatic"
        ]
      }
    },
    {
      "name" : "RainbowPlayground",
      "targets" : [
        "RainbowPlayground"
      ],
      "type" : {
        "executable" : null
      }
    }
  ],
  "targets" : [
    {
      "c99name" : "RainbowTests",
      "module_type" : "SwiftTarget",
      "name" : "RainbowTests",
      "path" : "Tests",
      "sources" : [
        "RainbowTests/ColorApproximatedTests.swift",
        "RainbowTests/ColorTests.swift",
        "RainbowTests/ConsoleStringTests.swift",
        "RainbowTests/ConsoleTextParserTests.swift",
        "RainbowTests/RainbowTests.swift"
      ],
      "target_dependencies" : [
        "Rainbow"
      ],
      "type" : "test"
    },
    {
      "c99name" : "RainbowPlayground",
      "module_type" : "SwiftTarget",
      "name" : "RainbowPlayground",
      "path" : "Playground",
      "product_memberships" : [
        "RainbowPlayground"
      ],
      "sources" : [
        "main.swift"
      ],
      "target_dependencies" : [
        "Rainbow"
      ],
      "type" : "executable"
    },
    {
      "c99name" : "Rainbow",
      "module_type" : "SwiftTarget",
      "name" : "Rainbow",
      "path" : "Sources",
      "product_memberships" : [
        "Rainbow",
        "RainbowPlayground"
      ],
      "sources" : [
        "BackgroundColor.swift",
        "CodesParser.swift",
        "Color.swift",
        "ColorApproximation.swift",
        "ControlCode.swift",
        "ModesExtractor.swift",
        "OutputTarget.swift",
        "Rainbow.swift",
        "String+Rainbow.swift",
        "StringGenerator.swift",
        "Style.swift"
      ],
      "type" : "library"
    }
  ],
  "tools_version" : "4.0"
}
Done.