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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 Chalk, reference master (21772d), with Swift 6.0 for macOS (SPM) on 1 Nov 2024 10:04:42 UTC.

Swift 6 data race errors: 4

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/luoxiu/Chalk.git
Reference: master
Initialized empty Git repository in /Users/admin/builder/spi-builder-workspace/.git/
From https://github.com/luoxiu/Chalk
 * branch            master     -> FETCH_HEAD
 * [new branch]      master     -> origin/master
HEAD is now at 21772da swiftformat .
Cloned https://github.com/luoxiu/Chalk.git
Revision (git rev-parse @):
21772da25e1be308ea8a8ab2b67297fb35195b35
SUCCESS checkout https://github.com/luoxiu/Chalk.git at master
Fetching https://github.com/luoxiu/Rainbow
[1/234] Fetching rainbow
Fetched https://github.com/luoxiu/Rainbow from cache (0.75s)
Computing version for https://github.com/luoxiu/Rainbow
Computed https://github.com/luoxiu/Rainbow at 0.1.1 (0.63s)
Creating working copy for https://github.com/luoxiu/Rainbow
Working copy of https://github.com/luoxiu/Rainbow resolved at 0.1.1
========================================
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": "chalk",
      "name": "Chalk",
      "url": "https://github.com/luoxiu/Chalk.git",
      "version": "unspecified",
      "path": "/Users/admin/builder/spi-builder-workspace/.resolve-product-dependencies/.build/checkouts/Chalk",
      "dependencies": [
        {
          "identity": "rainbow",
          "name": "Rainbow",
          "url": "https://github.com/luoxiu/Rainbow",
          "version": "0.1.1",
          "path": "/Users/admin/builder/spi-builder-workspace/.resolve-product-dependencies/.build/checkouts/Rainbow",
          "dependencies": [
          ]
        }
      ]
    }
  ]
}
Fetching https://github.com/luoxiu/Chalk.git
[1/329] Fetching chalk
Fetched https://github.com/luoxiu/Chalk.git from cache (0.88s)
Fetching https://github.com/luoxiu/Rainbow from cache
Fetched https://github.com/luoxiu/Rainbow from cache (0.47s)
Computing version for https://github.com/luoxiu/Rainbow
Computed https://github.com/luoxiu/Rainbow at 0.1.1 (0.03s)
Creating working copy for https://github.com/luoxiu/Chalk.git
Working copy of https://github.com/luoxiu/Chalk.git resolved at master (21772da)
Creating working copy for https://github.com/luoxiu/Rainbow
Working copy of https://github.com/luoxiu/Rainbow resolved at 0.1.1
warning: '.resolve-product-dependencies': dependency 'chalk' 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/luoxiu/Chalk.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...
[0/8] Write sources
[3/8] Write chalk-app-entitlement.plist
[4/8] Write swift-version--7754E27361AE5C74.txt
[6/14] Compiling Rainbow Colors.swift
[7/14] Compiling Rainbow Double.swift
[8/14] Compiling Rainbow NSRegularExpression.swift
[9/14] Compiling Rainbow Color.swift
[10/14] Emitting module Rainbow
[11/14] Compiling Rainbow Color+Cocoa.swift
[12/22] Compiling Chalk String+RegRxp.swift
[13/22] Compiling Chalk TerminalString.swift
/Users/admin/builder/spi-builder-workspace/Sources/Chalk/TerminalSupportedColor.swift:21:23: 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
19 |     case ansi16m
20 |
21 |     public static var current: TerminalSupportedColor = {
   |                       |- 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
22 |         if let color = __preset_supported_color__ {
23 |             return color
[14/22] Compiling Chalk TerminalStringConvertible.swift
[15/22] Compiling Chalk TerminalSupportedColor.swift
/Users/admin/builder/spi-builder-workspace/Sources/Chalk/TerminalSupportedColor.swift:11:5: warning: var '__preset_supported_color__' is not concurrency-safe because it is nonisolated global shared mutable state; this is an error in the Swift 6 language mode
 9 |
10 | // test
11 | var __preset_supported_color__: TerminalSupportedColor?
   |     |- warning: var '__preset_supported_color__' is not concurrency-safe because it is nonisolated global shared mutable state; this is an error in the Swift 6 language mode
   |     |- note: convert '__preset_supported_color__' to a 'let' constant to make 'Sendable' shared state immutable
   |     |- note: annotate '__preset_supported_color__' 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
12 |
13 | // https://github.com/chalk/supports-color
/Users/admin/builder/spi-builder-workspace/Sources/Chalk/TerminalSupportedColor.swift:21:23: 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
19 |     case ansi16m
20 |
21 |     public static var current: TerminalSupportedColor = {
   |                       |- 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
22 |         if let color = __preset_supported_color__ {
23 |             return color
[16/22] Emitting module Chalk
/Users/admin/builder/spi-builder-workspace/Sources/Chalk/Style.swift:10:12: warning: let 'chalk' is not concurrency-safe because non-'Sendable' type 'Style' may have shared mutable state; this is an error in the Swift 6 language mode
  8 | import Foundation
  9 |
 10 | public let chalk = Style()
    |            |- warning: let 'chalk' is not concurrency-safe because non-'Sendable' type 'Style' may have shared mutable state; this is an error in the Swift 6 language mode
    |            |- note: annotate 'chalk' 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
 11 | public let ck = Style()
 12 |
 13 | public struct Style {
    |               `- note: consider making struct 'Style' conform to the 'Sendable' protocol
 14 |     public var fgColor: TerminalColor?
 15 |
/Users/admin/builder/spi-builder-workspace/Sources/Chalk/Style.swift:11:12: warning: let 'ck' is not concurrency-safe because non-'Sendable' type 'Style' may have shared mutable state; this is an error in the Swift 6 language mode
  9 |
 10 | public let chalk = Style()
 11 | public let ck = Style()
    |            |- warning: let 'ck' is not concurrency-safe because non-'Sendable' type 'Style' may have shared mutable state; this is an error in the Swift 6 language mode
    |            |- note: annotate 'ck' 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
 12 |
 13 | public struct Style {
    |               `- note: consider making struct 'Style' conform to the 'Sendable' protocol
 14 |     public var fgColor: TerminalColor?
 15 |
/Users/admin/builder/spi-builder-workspace/Sources/Chalk/TerminalSupportedColor.swift:11:5: warning: var '__preset_supported_color__' is not concurrency-safe because it is nonisolated global shared mutable state; this is an error in the Swift 6 language mode
 9 |
10 | // test
11 | var __preset_supported_color__: TerminalSupportedColor?
   |     |- warning: var '__preset_supported_color__' is not concurrency-safe because it is nonisolated global shared mutable state; this is an error in the Swift 6 language mode
   |     |- note: convert '__preset_supported_color__' to a 'let' constant to make 'Sendable' shared state immutable
   |     |- note: annotate '__preset_supported_color__' 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
12 |
13 | // https://github.com/chalk/supports-color
/Users/admin/builder/spi-builder-workspace/Sources/Chalk/TerminalSupportedColor.swift:21:23: 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
19 |     case ansi16m
20 |
21 |     public static var current: TerminalSupportedColor = {
   |                       |- 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
22 |         if let color = __preset_supported_color__ {
23 |             return color
[17/22] Compiling Chalk Modifier.swift
[18/22] Compiling Chalk Color.swift
/Users/admin/builder/spi-builder-workspace/Sources/Chalk/TerminalSupportedColor.swift:21:23: 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
19 |     case ansi16m
20 |
21 |     public static var current: TerminalSupportedColor = {
   |                       |- 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
22 |         if let color = __preset_supported_color__ {
23 |             return color
[19/22] Compiling Chalk Style.swift
/Users/admin/builder/spi-builder-workspace/Sources/Chalk/Style.swift:10:12: warning: let 'chalk' is not concurrency-safe because non-'Sendable' type 'Style' may have shared mutable state; this is an error in the Swift 6 language mode
  8 | import Foundation
  9 |
 10 | public let chalk = Style()
    |            |- warning: let 'chalk' is not concurrency-safe because non-'Sendable' type 'Style' may have shared mutable state; this is an error in the Swift 6 language mode
    |            |- note: annotate 'chalk' 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
 11 | public let ck = Style()
 12 |
 13 | public struct Style {
    |               `- note: consider making struct 'Style' conform to the 'Sendable' protocol
 14 |     public var fgColor: TerminalColor?
 15 |
/Users/admin/builder/spi-builder-workspace/Sources/Chalk/Style.swift:11:12: warning: let 'ck' is not concurrency-safe because non-'Sendable' type 'Style' may have shared mutable state; this is an error in the Swift 6 language mode
  9 |
 10 | public let chalk = Style()
 11 | public let ck = Style()
    |            |- warning: let 'ck' is not concurrency-safe because non-'Sendable' type 'Style' may have shared mutable state; this is an error in the Swift 6 language mode
    |            |- note: annotate 'ck' 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
 12 |
 13 | public struct Style {
    |               `- note: consider making struct 'Style' conform to the 'Sendable' protocol
 14 |     public var fgColor: TerminalColor?
 15 |
[20/24] Emitting module chalk_app
[21/24] Compiling chalk_app main.swift
[21/24] Write Objects.LinkFileList
[22/24] Linking chalk-app
[23/24] Applying chalk-app
Build complete! (12.46s)
Build complete.
{
  "dependencies" : [
    {
      "identity" : "rainbow",
      "requirement" : {
        "range" : [
          {
            "lower_bound" : "0.1.0",
            "upper_bound" : "1.0.0"
          }
        ]
      },
      "type" : "sourceControl",
      "url" : "https://github.com/luoxiu/Rainbow"
    }
  ],
  "manifest_display_name" : "Chalk",
  "name" : "Chalk",
  "path" : "/Users/admin/builder/spi-builder-workspace",
  "platforms" : [
  ],
  "products" : [
    {
      "name" : "Chalk",
      "targets" : [
        "Chalk"
      ],
      "type" : {
        "library" : [
          "automatic"
        ]
      }
    },
    {
      "name" : "chalk-app",
      "targets" : [
        "chalk-app"
      ],
      "type" : {
        "executable" : null
      }
    }
  ],
  "targets" : [
    {
      "c99name" : "chalk_app",
      "module_type" : "SwiftTarget",
      "name" : "chalk-app",
      "path" : "Sources/chalk-app",
      "product_memberships" : [
        "chalk-app"
      ],
      "sources" : [
        "main.swift"
      ],
      "target_dependencies" : [
        "Chalk"
      ],
      "type" : "executable"
    },
    {
      "c99name" : "ChalkTests",
      "module_type" : "SwiftTarget",
      "name" : "ChalkTests",
      "path" : "Tests/ChalkTests",
      "sources" : [
        "ChalkTests.swift",
        "XCTestManifests.swift"
      ],
      "target_dependencies" : [
        "Chalk"
      ],
      "type" : "test"
    },
    {
      "c99name" : "Chalk",
      "module_type" : "SwiftTarget",
      "name" : "Chalk",
      "path" : "Sources/Chalk",
      "product_dependencies" : [
        "Rainbow"
      ],
      "product_memberships" : [
        "Chalk",
        "chalk-app"
      ],
      "sources" : [
        "Color.swift",
        "Modifier.swift",
        "Style.swift",
        "TerminalString.swift",
        "TerminalStringConvertible.swift",
        "TerminalSupportedColor.swift",
        "Utils/String+RegRxp.swift"
      ],
      "type" : "library"
    }
  ],
  "tools_version" : "5.1"
}
Done.