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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 4.0.1 (e0dada), with Swift 6.0 for Linux on 3 Nov 2024 13:02:40 UTC.

Swift 6 data race errors: 4

Build Command

bash -c docker run --pull=always --rm -v "checkouts-4609320-2":/host -w "$PWD" registry.gitlab.com/finestructure/spi-images:basic-6.0-latest swift build --triple x86_64-unknown-linux-gnu -Xswiftc -Xfrontend -Xswiftc -stats-output-dir -Xswiftc -Xfrontend -Xswiftc .stats -Xswiftc -strict-concurrency=complete 2>&1

Build Log

========================================
RunAll
========================================
Builder version: 4.56.0
Interrupt handler set up.
========================================
Checkout
========================================
Clone URL: https://github.com/onevcat/Rainbow.git
Reference: 4.0.1
Initialized empty Git repository in /host/spi-builder-workspace/.git/
hint: Using 'master' as the name for the initial branch. This default branch name
hint: is subject to change. To configure the initial branch name to use in all
hint: of your new repositories, which will suppress this warning, call:
hint:
hint: 	git config --global init.defaultBranch <name>
hint:
hint: Names commonly chosen instead of 'master' are 'main', 'trunk' and
hint: 'development'. The just-created branch can be renamed via this command:
hint:
hint: 	git branch -m <name>
From https://github.com/onevcat/Rainbow
 * tag               4.0.1      -> FETCH_HEAD
HEAD is now at e0dada9 Bump version to 4.0.1
Cloned https://github.com/onevcat/Rainbow.git
Revision (git rev-parse @):
e0dada9cd44e3fa7ec3b867e49a8ddbf543e3df3
SUCCESS checkout https://github.com/onevcat/Rainbow.git at 4.0.1
========================================
Build
========================================
Selected platform:         linux
Swift version:             6.0
Building package at path:  $PWD
https://github.com/onevcat/Rainbow.git
Running build ...
bash -c docker run --pull=always --rm -v "checkouts-4609320-2":/host -w "$PWD" registry.gitlab.com/finestructure/spi-images:basic-6.0-latest swift build --triple x86_64-unknown-linux-gnu -Xswiftc -Xfrontend -Xswiftc -stats-output-dir -Xswiftc -Xfrontend -Xswiftc .stats -Xswiftc -strict-concurrency=complete 2>&1
basic-6.0-latest: Pulling from finestructure/spi-images
Digest: sha256:47d26c99ca4f1ac0a332c85fd5b13ff4390e72115219984a57a68fe9d1063a05
Status: Image is up to date for registry.gitlab.com/finestructure/spi-images:basic-6.0-latest
Building for debugging...
[0/7] Write sources
[2/7] Write swift-version-24593BA9C3E375BF.txt
[4/18] Compiling Rainbow StringGenerator.swift
[5/19] Emitting module Rainbow
/host/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")
/host/spi-builder-workspace/Sources/OutputTarget.swift:49:72: warning: reference to var 'stdout' is not concurrency-safe because it involves shared mutable state; this is an error in the Swift 6 language mode
47 |         // Check if we are in any term env and the output is a tty.
48 |         let termType = getEnvValue("TERM")
49 |         if let t = termType, t.lowercased() != "dumb" && isatty(fileno(stdout)) != 0 {
   |                                                                        `- warning: reference to var 'stdout' is not concurrency-safe because it involves shared mutable state; this is an error in the Swift 6 language mode
50 |             return .console
51 |         }
SwiftGlibc.stdout:1:12: note: var declared here
1 | public var stdout: UnsafeMutablePointer<FILE>!
  |            `- note: var declared here
/host/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 |     /// Enable `Rainbow` to colorize string or not. Default is `true`, unless the `NO_COLOR` environment variable is set.
/host/spi-builder-workspace/Sources/Rainbow.swift:101:23: 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
 99 |
100 |     /// Enable `Rainbow` to colorize string or not. Default is `true`, unless the `NO_COLOR` environment variable is set.
101 |     public static var enabled = ProcessInfo.processInfo.environment["NO_COLOR"] == nil
    |                       |- 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
102 |
103 |     public static func extractEntry(for string: String) -> Entry {
[6/19] Compiling Rainbow BackgroundColor.swift
[7/19] Compiling Rainbow CodesParser.swift
[8/19] Compiling Rainbow ControlCode.swift
[9/19] Compiling Rainbow ModesExtractor.swift
[10/19] Compiling Rainbow String+Rainbow.swift
/host/spi-builder-workspace/Sources/Rainbow.swift:101:23: 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
 99 |
100 |     /// Enable `Rainbow` to colorize string or not. Default is `true`, unless the `NO_COLOR` environment variable is set.
101 |     public static var enabled = ProcessInfo.processInfo.environment["NO_COLOR"] == nil
    |                       |- 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
102 |
103 |     public static func extractEntry(for string: String) -> Entry {
[11/19] Compiling Rainbow Style.swift
[12/19] Compiling Rainbow Color.swift
[13/19] Compiling Rainbow ColorApproximation.swift
[14/19] Compiling Rainbow OutputTarget.swift
/host/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")
/host/spi-builder-workspace/Sources/OutputTarget.swift:49:72: warning: reference to var 'stdout' is not concurrency-safe because it involves shared mutable state; this is an error in the Swift 6 language mode
47 |         // Check if we are in any term env and the output is a tty.
48 |         let termType = getEnvValue("TERM")
49 |         if let t = termType, t.lowercased() != "dumb" && isatty(fileno(stdout)) != 0 {
   |                                                                        `- warning: reference to var 'stdout' is not concurrency-safe because it involves shared mutable state; this is an error in the Swift 6 language mode
50 |             return .console
51 |         }
SwiftGlibc.stdout:1:12: note: var declared here
1 | public var stdout: UnsafeMutablePointer<FILE>!
  |            `- note: var declared here
[15/19] Compiling Rainbow Rainbow.swift
/host/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 |     /// Enable `Rainbow` to colorize string or not. Default is `true`, unless the `NO_COLOR` environment variable is set.
/host/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")
/host/spi-builder-workspace/Sources/Rainbow.swift:101:23: 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
 99 |
100 |     /// Enable `Rainbow` to colorize string or not. Default is `true`, unless the `NO_COLOR` environment variable is set.
101 |     public static var enabled = ProcessInfo.processInfo.environment["NO_COLOR"] == nil
    |                       |- 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
102 |
103 |     public static func extractEntry(for string: String) -> Entry {
[16/20] Wrapping AST for Rainbow for debugging
[18/22] Emitting module RainbowPlayground
[19/22] Compiling RainbowPlayground main.swift
[20/23] Wrapping AST for RainbowPlayground for debugging
[21/23] Write Objects.LinkFileList
[22/23] Linking RainbowPlayground
Build complete! (21.26s)
Build complete.
{
  "dependencies" : [
  ],
  "manifest_display_name" : "Rainbow",
  "name" : "Rainbow",
  "path" : "/host/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"
}
basic-6.0-latest: Pulling from finestructure/spi-images
Digest: sha256:47d26c99ca4f1ac0a332c85fd5b13ff4390e72115219984a57a68fe9d1063a05
Status: Image is up to date for registry.gitlab.com/finestructure/spi-images:basic-6.0-latest
Done.