The Swift Package Index logo.Swift Package Index

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 6.1 for Linux on 27 Apr 2025 16:02:59 UTC.

Swift 6 data race errors: 1

Build Command

bash -c docker run --pull=always --rm -v "checkouts-4606859-2":/host -w "$PWD" registry.gitlab.com/finestructure/spi-images:basic-6.1-latest swift build --triple x86_64-unknown-linux-gnu -Xswiftc -Xfrontend -Xswiftc -stats-output-dir -Xswiftc -Xfrontend -Xswiftc .stats -Xswiftc -strict-concurrency=complete -Xswiftc -enable-upcoming-feature -Xswiftc StrictConcurrency -Xswiftc -enable-upcoming-feature -Xswiftc DisableOutwardActorInference -Xswiftc -enable-upcoming-feature -Xswiftc GlobalActorIsolatedTypesUsability -Xswiftc -enable-upcoming-feature -Xswiftc InferSendableFromCaptures 2>&1

Build Log

========================================
RunAll
========================================
Builder version: 4.61.0
Interrupt handler set up.
========================================
Checkout
========================================
Clone URL: https://github.com/devxoul/URLNavigator.git
Reference: master
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/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
========================================
Build
========================================
Selected platform:         linux
Swift version:             6.1
Building package at path:  $PWD
https://github.com/devxoul/URLNavigator.git
https://github.com/devxoul/URLNavigator.git
WARNING: environment variable SUPPRESS_SWIFT_6_FLAGS is not set
{
  "dependencies" : [
  ],
  "manifest_display_name" : "URLNavigator",
  "name" : "URLNavigator",
  "path" : "/host/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"
}
Running build ...
bash -c docker run --pull=always --rm -v "checkouts-4606859-2":/host -w "$PWD" registry.gitlab.com/finestructure/spi-images:basic-6.1-latest swift build --triple x86_64-unknown-linux-gnu -Xswiftc -Xfrontend -Xswiftc -stats-output-dir -Xswiftc -Xfrontend -Xswiftc .stats -Xswiftc -strict-concurrency=complete -Xswiftc -enable-upcoming-feature -Xswiftc StrictConcurrency -Xswiftc -enable-upcoming-feature -Xswiftc DisableOutwardActorInference -Xswiftc -enable-upcoming-feature -Xswiftc GlobalActorIsolatedTypesUsability -Xswiftc -enable-upcoming-feature -Xswiftc InferSendableFromCaptures 2>&1
basic-6.1-latest: Pulling from finestructure/spi-images
Digest: sha256:3bdcac04179f4ed3e5b8e9dbd6e74bbf5ebc0f4fde48bbaad7d1e5c757e65bcb
Status: Image is up to date for registry.gitlab.com/finestructure/spi-images:basic-6.1-latest
Building for debugging...
[0/3] Write sources
[2/3] Write swift-version-24593BA9C3E375BF.txt
[4/9] Compiling URLMatcher URLPathComponent.swift
[5/9] Compiling URLMatcher URLMatchResult.swift
[6/9] Compiling URLMatcher URLMatcher.swift
<unknown>:0: note: a function type must be marked '@Sendable' to conform to 'Sendable'
/host/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: add '@MainActor' to make static property 'defaultURLValueConverters' part of global actor 'MainActor'
    |              `- note: disable concurrency-safety checks if accesses are protected by an external synchronization mechanism
 11 |     "string": { pathComponents, index in
 12 |       return pathComponents[index]
[7/9] Compiling URLMatcher URLPatchComponentMatchResult.swift
[8/9] Emitting module URLMatcher
<unknown>:0: note: a function type must be marked '@Sendable' to conform to 'Sendable'
/host/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: add '@MainActor' to make static property 'defaultURLValueConverters' part of global actor 'MainActor'
    |              `- 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
[11/16] Compiling URLNavigator UIViewControllerType.swift
[12/16] Compiling URLNavigator UIViewController+TopMostViewController.swift
[13/16] Compiling URLNavigator Navigator.swift
[14/16] Compiling URLNavigator NavigatorProtocol.swift
[15/16] Compiling URLNavigator NavigatorDelegate.swift
[16/16] Emitting module URLNavigator
Build complete! (8.89s)
Build complete.
{
  "dependencies" : [
  ],
  "manifest_display_name" : "URLNavigator",
  "name" : "URLNavigator",
  "path" : "/host/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"
}
basic-6.1-latest: Pulling from finestructure/spi-images
Digest: sha256:3bdcac04179f4ed3e5b8e9dbd6e74bbf5ebc0f4fde48bbaad7d1e5c757e65bcb
Status: Image is up to date for registry.gitlab.com/finestructure/spi-images:basic-6.1-latest
Done.