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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 URLNavigator, reference master (00bd57), with Swift 6.0 for macOS (SPM) on 3 Nov 2024 08:42:46 UTC.

Swift 6 data race errors: 1

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/devxoul/URLNavigator.git
Reference: master
Initialized empty Git repository in /Users/admin/builder/spi-builder-workspace/.git/
From https://github.com/devxoul/URLNavigator
 * branch            master     -> FETCH_HEAD
 * [new branch]      master     -> origin/master
HEAD is now at 00bd578 Merge pull request #165 from devxoul/ci
Cloned https://github.com/devxoul/URLNavigator.git
Revision (git rev-parse @):
00bd578c30e9fcbcf1400f742dfa5a2e8050f16c
SUCCESS checkout https://github.com/devxoul/URLNavigator.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": "urlnavigator",
      "name": "URLNavigator",
      "url": "https://github.com/devxoul/URLNavigator.git",
      "version": "unspecified",
      "path": "/Users/admin/builder/spi-builder-workspace/.resolve-product-dependencies/.build/checkouts/URLNavigator",
      "dependencies": [
      ]
    }
  ]
}
Fetching https://github.com/devxoul/URLNavigator.git
[1/1805] Fetching urlnavigator
Fetched https://github.com/devxoul/URLNavigator.git from cache (0.86s)
Creating working copy for https://github.com/devxoul/URLNavigator.git
Working copy of https://github.com/devxoul/URLNavigator.git resolved at master (00bd578)
warning: '.resolve-product-dependencies': dependency 'urlnavigator' 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/devxoul/URLNavigator.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...
[0/3] Write sources
[2/3] Write swift-version--7754E27361AE5C74.txt
[4/9] Compiling URLMatcher URLPatchComponentMatchResult.swift
[5/9] Compiling URLMatcher URLPathComponent.swift
[6/9] Compiling URLMatcher URLMatchResult.swift
[7/9] Compiling URLMatcher URLMatcher.swift
<unknown>:0: note: a function type must be marked '@Sendable' to conform to 'Sendable'
/Users/admin/builder/spi-builder-workspace/Sources/URLMatcher/URLMatcher.swift:10:14: warning: static property 'defaultURLValueConverters' is not concurrency-safe because non-'Sendable' type '[String : URLMatcher.URLValueConverter]' (aka 'Dictionary<String, (Array<String>, Int) -> Optional<Any>>') may have shared mutable state; this is an error in the Swift 6 language mode
  8 |   public typealias URLValueConverter = (_ pathComponents: [String], _ index: Int) -> Any?
  9 |
 10 |   static let defaultURLValueConverters: [String: URLValueConverter] = [
    |              |- warning: static property 'defaultURLValueConverters' is not concurrency-safe because non-'Sendable' type '[String : URLMatcher.URLValueConverter]' (aka 'Dictionary<String, (Array<String>, Int) -> Optional<Any>>') may have shared mutable state; this is an error in the Swift 6 language mode
    |              |- note: annotate 'defaultURLValueConverters' 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 |     "string": { pathComponents, index in
 12 |       return pathComponents[index]
[8/9] Emitting module URLMatcher
<unknown>:0: note: a function type must be marked '@Sendable' to conform to 'Sendable'
/Users/admin/builder/spi-builder-workspace/Sources/URLMatcher/URLMatcher.swift:10:14: warning: static property 'defaultURLValueConverters' is not concurrency-safe because non-'Sendable' type '[String : URLMatcher.URLValueConverter]' (aka 'Dictionary<String, (Array<String>, Int) -> Optional<Any>>') may have shared mutable state; this is an error in the Swift 6 language mode
  8 |   public typealias URLValueConverter = (_ pathComponents: [String], _ index: Int) -> Any?
  9 |
 10 |   static let defaultURLValueConverters: [String: URLValueConverter] = [
    |              |- warning: static property 'defaultURLValueConverters' is not concurrency-safe because non-'Sendable' type '[String : URLMatcher.URLValueConverter]' (aka 'Dictionary<String, (Array<String>, Int) -> Optional<Any>>') may have shared mutable state; this is an error in the Swift 6 language mode
    |              |- note: annotate 'defaultURLValueConverters' 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 |     "string": { pathComponents, index in
 12 |       return pathComponents[index]
[9/9] Compiling URLMatcher URLConvertible.swift
[10/15] Compiling URLNavigator UIViewControllerType.swift
[11/15] Compiling URLNavigator UIViewController+TopMostViewController.swift
[12/15] Compiling URLNavigator NavigatorDelegate.swift
[13/15] Compiling URLNavigator NavigatorProtocol.swift
[14/15] Emitting module URLNavigator
[15/15] Compiling URLNavigator Navigator.swift
Build complete! (7.34s)
Build complete.
{
  "dependencies" : [
  ],
  "manifest_display_name" : "URLNavigator",
  "name" : "URLNavigator",
  "path" : "/Users/admin/builder/spi-builder-workspace",
  "platforms" : [
    {
      "name" : "ios",
      "version" : "11.0"
    },
    {
      "name" : "tvos",
      "version" : "11.0"
    }
  ],
  "products" : [
    {
      "name" : "URLMatcher",
      "targets" : [
        "URLMatcher"
      ],
      "type" : {
        "library" : [
          "automatic"
        ]
      }
    },
    {
      "name" : "URLNavigator",
      "targets" : [
        "URLNavigator"
      ],
      "type" : {
        "library" : [
          "automatic"
        ]
      }
    }
  ],
  "targets" : [
    {
      "c99name" : "URLNavigatorTests",
      "module_type" : "SwiftTarget",
      "name" : "URLNavigatorTests",
      "path" : "Tests/URLNavigatorTests",
      "sources" : [
        "Fixtures.swift",
        "NavigatorDelegateTests.swift",
        "NavigatorTests.swift",
        "Stubs.swift",
        "TopMostViewControllerTests.swift"
      ],
      "target_dependencies" : [
        "URLNavigator"
      ],
      "type" : "test"
    },
    {
      "c99name" : "URLNavigator",
      "module_type" : "SwiftTarget",
      "name" : "URLNavigator",
      "path" : "Sources/URLNavigator",
      "product_memberships" : [
        "URLNavigator"
      ],
      "sources" : [
        "Navigator.swift",
        "NavigatorDelegate.swift",
        "NavigatorProtocol.swift",
        "UIViewController+TopMostViewController.swift",
        "UIViewControllerType.swift"
      ],
      "target_dependencies" : [
        "URLMatcher"
      ],
      "type" : "library"
    },
    {
      "c99name" : "URLMatcherTests",
      "module_type" : "SwiftTarget",
      "name" : "URLMatcherTests",
      "path" : "Tests/URLMatcherTests",
      "sources" : [
        "URLConvertibleTests.swift",
        "URLMatcherInternalTests.swift",
        "URLMatcherTests.swift",
        "URLPathComponentTests.swift"
      ],
      "target_dependencies" : [
        "URLMatcher"
      ],
      "type" : "test"
    },
    {
      "c99name" : "URLMatcher",
      "module_type" : "SwiftTarget",
      "name" : "URLMatcher",
      "path" : "Sources/URLMatcher",
      "product_memberships" : [
        "URLMatcher",
        "URLNavigator"
      ],
      "sources" : [
        "URLConvertible.swift",
        "URLMatchResult.swift",
        "URLMatcher.swift",
        "URLPatchComponentMatchResult.swift",
        "URLPathComponent.swift"
      ],
      "type" : "library"
    }
  ],
  "tools_version" : "5.7.1"
}
Done.