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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 with Swift 6.0 for macOS (SPM).

Swift 6 data race errors: 8

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
========================================
Clone URL: https://github.com/mxcl/chalk.git
Reference: master
Initialized empty Git repository in /Users/admin/builder/spi-builder-workspace/.git/
From https://github.com/mxcl/chalk
 * branch            master     -> FETCH_HEAD
 * [new branch]      master     -> origin/master
HEAD is now at a8faed6 participate in tea protocol
Cloned https://github.com/mxcl/chalk.git
Revision (git rev-parse @):
a8faed684d73ece2aa224a491164838f90e9938d
SUCCESS checkout https://github.com/mxcl/chalk.git at master
========================================
Build
========================================
Selected platform:         macosSpm
Swift version:             6.0
Building package at path:  $workDir
https://github.com/mxcl/chalk.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...
[0/2] Write sources
[1/2] Write swift-version-6F35C1178C84523A.txt
[3/4] Compiling Chalk Chalk.swift
/Users/admin/builder/spi-builder-workspace/Chalk.swift:59:23: warning: static property 'bold' is not concurrency-safe because non-'Sendable' type 'Style' may have shared mutable state; this is an error in the Swift 6 language mode
 56 | }
 57 |
 58 | public struct Style: OptionSet {
    |               `- note: consider making struct 'Style' conform to the 'Sendable' protocol
 59 |     public static let bold = Style(rawValue: 1 << 0)
    |                       |- warning: static property 'bold' 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 'bold' 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
 60 |     public static let dim = Style(rawValue: 1 << 1)
 61 |     public static let italic = Style(rawValue: 1 << 2)
/Users/admin/builder/spi-builder-workspace/Chalk.swift:60:23: warning: static property 'dim' is not concurrency-safe because non-'Sendable' type 'Style' may have shared mutable state; this is an error in the Swift 6 language mode
 56 | }
 57 |
 58 | public struct Style: OptionSet {
    |               `- note: consider making struct 'Style' conform to the 'Sendable' protocol
 59 |     public static let bold = Style(rawValue: 1 << 0)
 60 |     public static let dim = Style(rawValue: 1 << 1)
    |                       |- warning: static property 'dim' 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 'dim' 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
 61 |     public static let italic = Style(rawValue: 1 << 2)
 62 |     public static let underlined = Style(rawValue: 1 << 3)
/Users/admin/builder/spi-builder-workspace/Chalk.swift:61:23: warning: static property 'italic' is not concurrency-safe because non-'Sendable' type 'Style' may have shared mutable state; this is an error in the Swift 6 language mode
 56 | }
 57 |
 58 | public struct Style: OptionSet {
    |               `- note: consider making struct 'Style' conform to the 'Sendable' protocol
 59 |     public static let bold = Style(rawValue: 1 << 0)
 60 |     public static let dim = Style(rawValue: 1 << 1)
 61 |     public static let italic = Style(rawValue: 1 << 2)
    |                       |- warning: static property 'italic' 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 'italic' 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
 62 |     public static let underlined = Style(rawValue: 1 << 3)
 63 |     public static let blink = Style(rawValue: 1 << 4)
/Users/admin/builder/spi-builder-workspace/Chalk.swift:62:23: warning: static property 'underlined' is not concurrency-safe because non-'Sendable' type 'Style' may have shared mutable state; this is an error in the Swift 6 language mode
 56 | }
 57 |
 58 | public struct Style: OptionSet {
    |               `- note: consider making struct 'Style' conform to the 'Sendable' protocol
 59 |     public static let bold = Style(rawValue: 1 << 0)
 60 |     public static let dim = Style(rawValue: 1 << 1)
 61 |     public static let italic = Style(rawValue: 1 << 2)
 62 |     public static let underlined = Style(rawValue: 1 << 3)
    |                       |- warning: static property 'underlined' 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 'underlined' 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
 63 |     public static let blink = Style(rawValue: 1 << 4)
 64 |     public static let inverse = Style(rawValue: 1 << 5)
/Users/admin/builder/spi-builder-workspace/Chalk.swift:63:23: warning: static property 'blink' is not concurrency-safe because non-'Sendable' type 'Style' may have shared mutable state; this is an error in the Swift 6 language mode
 56 | }
 57 |
 58 | public struct Style: OptionSet {
    |               `- note: consider making struct 'Style' conform to the 'Sendable' protocol
 59 |     public static let bold = Style(rawValue: 1 << 0)
 60 |     public static let dim = Style(rawValue: 1 << 1)
 61 |     public static let italic = Style(rawValue: 1 << 2)
 62 |     public static let underlined = Style(rawValue: 1 << 3)
 63 |     public static let blink = Style(rawValue: 1 << 4)
    |                       |- warning: static property 'blink' 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 'blink' 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
 64 |     public static let inverse = Style(rawValue: 1 << 5)
 65 |     public static let hidden = Style(rawValue: 1 << 6)  // for eg. passwords
/Users/admin/builder/spi-builder-workspace/Chalk.swift:64:23: warning: static property 'inverse' is not concurrency-safe because non-'Sendable' type 'Style' may have shared mutable state; this is an error in the Swift 6 language mode
 56 | }
 57 |
 58 | public struct Style: OptionSet {
    |               `- note: consider making struct 'Style' conform to the 'Sendable' protocol
 59 |     public static let bold = Style(rawValue: 1 << 0)
 60 |     public static let dim = Style(rawValue: 1 << 1)
    :
 62 |     public static let underlined = Style(rawValue: 1 << 3)
 63 |     public static let blink = Style(rawValue: 1 << 4)
 64 |     public static let inverse = Style(rawValue: 1 << 5)
    |                       |- warning: static property 'inverse' 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 'inverse' 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
 65 |     public static let hidden = Style(rawValue: 1 << 6)  // for eg. passwords
 66 |     public static let strikethrough = Style(rawValue: 1 << 7)  // not implemented in Terminal.app
/Users/admin/builder/spi-builder-workspace/Chalk.swift:65:23: warning: static property 'hidden' is not concurrency-safe because non-'Sendable' type 'Style' may have shared mutable state; this is an error in the Swift 6 language mode
 56 | }
 57 |
 58 | public struct Style: OptionSet {
    |               `- note: consider making struct 'Style' conform to the 'Sendable' protocol
 59 |     public static let bold = Style(rawValue: 1 << 0)
 60 |     public static let dim = Style(rawValue: 1 << 1)
    :
 63 |     public static let blink = Style(rawValue: 1 << 4)
 64 |     public static let inverse = Style(rawValue: 1 << 5)
 65 |     public static let hidden = Style(rawValue: 1 << 6)  // for eg. passwords
    |                       |- warning: static property 'hidden' 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 'hidden' 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
 66 |     public static let strikethrough = Style(rawValue: 1 << 7)  // not implemented in Terminal.app
 67 |
/Users/admin/builder/spi-builder-workspace/Chalk.swift:66:23: warning: static property 'strikethrough' is not concurrency-safe because non-'Sendable' type 'Style' may have shared mutable state; this is an error in the Swift 6 language mode
 56 | }
 57 |
 58 | public struct Style: OptionSet {
    |               `- note: consider making struct 'Style' conform to the 'Sendable' protocol
 59 |     public static let bold = Style(rawValue: 1 << 0)
 60 |     public static let dim = Style(rawValue: 1 << 1)
    :
 64 |     public static let inverse = Style(rawValue: 1 << 5)
 65 |     public static let hidden = Style(rawValue: 1 << 6)  // for eg. passwords
 66 |     public static let strikethrough = Style(rawValue: 1 << 7)  // not implemented in Terminal.app
    |                       |- warning: static property 'strikethrough' 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 'strikethrough' 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
 67 |
 68 |     public let rawValue: Int
[4/4] Emitting module Chalk
/Users/admin/builder/spi-builder-workspace/Chalk.swift:59:23: warning: static property 'bold' is not concurrency-safe because non-'Sendable' type 'Style' may have shared mutable state; this is an error in the Swift 6 language mode
 56 | }
 57 |
 58 | public struct Style: OptionSet {
    |               `- note: consider making struct 'Style' conform to the 'Sendable' protocol
 59 |     public static let bold = Style(rawValue: 1 << 0)
    |                       |- warning: static property 'bold' 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 'bold' 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
 60 |     public static let dim = Style(rawValue: 1 << 1)
 61 |     public static let italic = Style(rawValue: 1 << 2)
/Users/admin/builder/spi-builder-workspace/Chalk.swift:60:23: warning: static property 'dim' is not concurrency-safe because non-'Sendable' type 'Style' may have shared mutable state; this is an error in the Swift 6 language mode
 56 | }
 57 |
 58 | public struct Style: OptionSet {
    |               `- note: consider making struct 'Style' conform to the 'Sendable' protocol
 59 |     public static let bold = Style(rawValue: 1 << 0)
 60 |     public static let dim = Style(rawValue: 1 << 1)
    |                       |- warning: static property 'dim' 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 'dim' 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
 61 |     public static let italic = Style(rawValue: 1 << 2)
 62 |     public static let underlined = Style(rawValue: 1 << 3)
/Users/admin/builder/spi-builder-workspace/Chalk.swift:61:23: warning: static property 'italic' is not concurrency-safe because non-'Sendable' type 'Style' may have shared mutable state; this is an error in the Swift 6 language mode
 56 | }
 57 |
 58 | public struct Style: OptionSet {
    |               `- note: consider making struct 'Style' conform to the 'Sendable' protocol
 59 |     public static let bold = Style(rawValue: 1 << 0)
 60 |     public static let dim = Style(rawValue: 1 << 1)
 61 |     public static let italic = Style(rawValue: 1 << 2)
    |                       |- warning: static property 'italic' 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 'italic' 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
 62 |     public static let underlined = Style(rawValue: 1 << 3)
 63 |     public static let blink = Style(rawValue: 1 << 4)
/Users/admin/builder/spi-builder-workspace/Chalk.swift:62:23: warning: static property 'underlined' is not concurrency-safe because non-'Sendable' type 'Style' may have shared mutable state; this is an error in the Swift 6 language mode
 56 | }
 57 |
 58 | public struct Style: OptionSet {
    |               `- note: consider making struct 'Style' conform to the 'Sendable' protocol
 59 |     public static let bold = Style(rawValue: 1 << 0)
 60 |     public static let dim = Style(rawValue: 1 << 1)
 61 |     public static let italic = Style(rawValue: 1 << 2)
 62 |     public static let underlined = Style(rawValue: 1 << 3)
    |                       |- warning: static property 'underlined' 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 'underlined' 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
 63 |     public static let blink = Style(rawValue: 1 << 4)
 64 |     public static let inverse = Style(rawValue: 1 << 5)
/Users/admin/builder/spi-builder-workspace/Chalk.swift:63:23: warning: static property 'blink' is not concurrency-safe because non-'Sendable' type 'Style' may have shared mutable state; this is an error in the Swift 6 language mode
 56 | }
 57 |
 58 | public struct Style: OptionSet {
    |               `- note: consider making struct 'Style' conform to the 'Sendable' protocol
 59 |     public static let bold = Style(rawValue: 1 << 0)
 60 |     public static let dim = Style(rawValue: 1 << 1)
 61 |     public static let italic = Style(rawValue: 1 << 2)
 62 |     public static let underlined = Style(rawValue: 1 << 3)
 63 |     public static let blink = Style(rawValue: 1 << 4)
    |                       |- warning: static property 'blink' 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 'blink' 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
 64 |     public static let inverse = Style(rawValue: 1 << 5)
 65 |     public static let hidden = Style(rawValue: 1 << 6)  // for eg. passwords
/Users/admin/builder/spi-builder-workspace/Chalk.swift:64:23: warning: static property 'inverse' is not concurrency-safe because non-'Sendable' type 'Style' may have shared mutable state; this is an error in the Swift 6 language mode
 56 | }
 57 |
 58 | public struct Style: OptionSet {
    |               `- note: consider making struct 'Style' conform to the 'Sendable' protocol
 59 |     public static let bold = Style(rawValue: 1 << 0)
 60 |     public static let dim = Style(rawValue: 1 << 1)
    :
 62 |     public static let underlined = Style(rawValue: 1 << 3)
 63 |     public static let blink = Style(rawValue: 1 << 4)
 64 |     public static let inverse = Style(rawValue: 1 << 5)
    |                       |- warning: static property 'inverse' 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 'inverse' 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
 65 |     public static let hidden = Style(rawValue: 1 << 6)  // for eg. passwords
 66 |     public static let strikethrough = Style(rawValue: 1 << 7)  // not implemented in Terminal.app
/Users/admin/builder/spi-builder-workspace/Chalk.swift:65:23: warning: static property 'hidden' is not concurrency-safe because non-'Sendable' type 'Style' may have shared mutable state; this is an error in the Swift 6 language mode
 56 | }
 57 |
 58 | public struct Style: OptionSet {
    |               `- note: consider making struct 'Style' conform to the 'Sendable' protocol
 59 |     public static let bold = Style(rawValue: 1 << 0)
 60 |     public static let dim = Style(rawValue: 1 << 1)
    :
 63 |     public static let blink = Style(rawValue: 1 << 4)
 64 |     public static let inverse = Style(rawValue: 1 << 5)
 65 |     public static let hidden = Style(rawValue: 1 << 6)  // for eg. passwords
    |                       |- warning: static property 'hidden' 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 'hidden' 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
 66 |     public static let strikethrough = Style(rawValue: 1 << 7)  // not implemented in Terminal.app
 67 |
/Users/admin/builder/spi-builder-workspace/Chalk.swift:66:23: warning: static property 'strikethrough' is not concurrency-safe because non-'Sendable' type 'Style' may have shared mutable state; this is an error in the Swift 6 language mode
 56 | }
 57 |
 58 | public struct Style: OptionSet {
    |               `- note: consider making struct 'Style' conform to the 'Sendable' protocol
 59 |     public static let bold = Style(rawValue: 1 << 0)
 60 |     public static let dim = Style(rawValue: 1 << 1)
    :
 64 |     public static let inverse = Style(rawValue: 1 << 5)
 65 |     public static let hidden = Style(rawValue: 1 << 6)  // for eg. passwords
 66 |     public static let strikethrough = Style(rawValue: 1 << 7)  // not implemented in Terminal.app
    |                       |- warning: static property 'strikethrough' 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 'strikethrough' 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
 67 |
 68 |     public let rawValue: Int
Build complete! (16.38s)
Build complete.
{
  "dependencies" : [
  ],
  "manifest_display_name" : "Chalk",
  "name" : "Chalk",
  "path" : "/Users/admin/builder/spi-builder-workspace",
  "platforms" : [
  ],
  "products" : [
    {
      "name" : "Chalk",
      "targets" : [
        "Chalk"
      ],
      "type" : {
        "library" : [
          "automatic"
        ]
      }
    }
  ],
  "swift_languages_versions" : [
    "5"
  ],
  "targets" : [
    {
      "c99name" : "Chalk",
      "module_type" : "SwiftTarget",
      "name" : "Chalk",
      "path" : ".",
      "product_memberships" : [
        "Chalk"
      ],
      "sources" : [
        "Chalk.swift"
      ],
      "type" : "library"
    }
  ],
  "tools_version" : "5.0"
}
Done.
This is a staging environment. For live and up-to-date package information, visit swiftpackageindex.com.