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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 (a8faed), with Swift 6.0 for macOS (SPM) on 3 Nov 2024 12:04:13 UTC.

Swift 6 data race errors: 8

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/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
========================================
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/mxcl/chalk.git",
      "version": "unspecified",
      "path": "/Users/admin/builder/spi-builder-workspace/.resolve-product-dependencies/.build/checkouts/chalk",
      "dependencies": [
      ]
    }
  ]
}
Fetching https://github.com/mxcl/chalk.git
[3/81] Fetching chalk
Fetched https://github.com/mxcl/chalk.git from cache (1.09s)
Creating working copy for https://github.com/mxcl/chalk.git
Working copy of https://github.com/mxcl/chalk.git resolved at master (a8faed6)
warning: '.resolve-product-dependencies': dependency 'chalk' 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/mxcl/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...
[0/2] Write sources
[1/2] Write swift-version--7754E27361AE5C74.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! (5.62s)
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.