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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 Queuer, reference main (db4cee), with Swift 6.0 for Linux on 14 Dec 2024 20:19:23 UTC.

Swift 6 data race errors: 1

Build Command

bash -c docker run --pull=always --rm -v "checkouts-4606859-0":/host -w "$PWD" registry.gitlab.com/finestructure/spi-images:basic-6.0-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: 4.59.0
Interrupt handler set up.
========================================
Checkout
========================================
Clone URL: https://github.com/FabrizioBrancati/Queuer.git
Reference: main
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/FabrizioBrancati/Queuer
 * branch            main       -> FETCH_HEAD
 * [new branch]      main       -> origin/main
HEAD is now at db4ceec Merge pull request #42 from FabrizioBrancati/dependabot/swift/github.com/apple/swift-docc-plugin-1.4.3
Cloned https://github.com/FabrizioBrancati/Queuer.git
Revision (git rev-parse @):
db4ceec955b20842a210c8b8d5bb306822bfb81c
SPI manifest file found: $PWD/.spi.yml
SUCCESS checkout https://github.com/FabrizioBrancati/Queuer.git at main
========================================
Build
========================================
Selected platform:         linux
Swift version:             6.0
Building package at path:  $PWD
https://github.com/FabrizioBrancati/Queuer.git
https://github.com/FabrizioBrancati/Queuer.git
WARNING: environment variable SUPPRESS_SWIFT_6_FLAGS is not set
{
  "dependencies" : [
    {
      "identity" : "swift-docc-plugin",
      "requirement" : {
        "range" : [
          {
            "lower_bound" : "1.3.0",
            "upper_bound" : "2.0.0"
          }
        ]
      },
      "type" : "sourceControl",
      "url" : "https://github.com/apple/swift-docc-plugin"
    }
  ],
  "manifest_display_name" : "Queuer",
  "name" : "Queuer",
  "path" : "/host/spi-builder-workspace",
  "platforms" : [
    {
      "name" : "ios",
      "version" : "12.0"
    },
    {
      "name" : "macos",
      "version" : "10.13"
    },
    {
      "name" : "maccatalyst",
      "version" : "13.0"
    },
    {
      "name" : "tvos",
      "version" : "12.0"
    },
    {
      "name" : "watchos",
      "version" : "4.0"
    },
    {
      "name" : "visionos",
      "version" : "1.0"
    }
  ],
  "products" : [
    {
      "name" : "Queuer",
      "targets" : [
        "Queuer"
      ],
      "type" : {
        "library" : [
          "automatic"
        ]
      }
    }
  ],
  "targets" : [
    {
      "c99name" : "QueuerTests",
      "module_type" : "SwiftTarget",
      "name" : "QueuerTests",
      "path" : "Tests/QueuerTests",
      "sources" : [
        "ConcurrentOperationTests.swift",
        "GroupOperationTests.swift",
        "QueuerTests.swift",
        "SchedulerTests.swift",
        "SemaphoreTests.swift"
      ],
      "target_dependencies" : [
        "Queuer"
      ],
      "type" : "test"
    },
    {
      "c99name" : "Queuer",
      "module_type" : "SwiftTarget",
      "name" : "Queuer",
      "path" : "Sources/Queuer",
      "product_memberships" : [
        "Queuer"
      ],
      "sources" : [
        "ConcurrentOperation.swift",
        "GroupOperation.swift",
        "Queuer.swift",
        "Scheduler.swift",
        "Semaphore.swift"
      ],
      "type" : "library"
    }
  ],
  "tools_version" : "5.9"
}
Running build ...
bash -c docker run --pull=always --rm -v "checkouts-4606859-0":/host -w "$PWD" registry.gitlab.com/finestructure/spi-images:basic-6.0-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-6.0-latest: Pulling from finestructure/spi-images
Digest: sha256:47d26c99ca4f1ac0a332c85fd5b13ff4390e72115219984a57a68fe9d1063a05
Status: Image is up to date for registry.gitlab.com/finestructure/spi-images:basic-6.0-latest
Fetching https://github.com/apple/swift-docc-plugin
[1/2044] Fetching swift-docc-plugin
Fetched https://github.com/apple/swift-docc-plugin from cache (0.35s)
Computing version for https://github.com/apple/swift-docc-plugin
Computed https://github.com/apple/swift-docc-plugin at 1.4.3 (2.12s)
Fetching https://github.com/swiftlang/swift-docc-symbolkit
[1/3209] Fetching swift-docc-symbolkit
Fetched https://github.com/swiftlang/swift-docc-symbolkit from cache (0.35s)
Computing version for https://github.com/swiftlang/swift-docc-symbolkit
Computed https://github.com/swiftlang/swift-docc-symbolkit at 1.0.0 (0.54s)
Creating working copy for https://github.com/apple/swift-docc-plugin
Working copy of https://github.com/apple/swift-docc-plugin resolved at 1.4.3
Creating working copy for https://github.com/swiftlang/swift-docc-symbolkit
Working copy of https://github.com/swiftlang/swift-docc-symbolkit resolved at 1.0.0
[1/1] Compiling plugin Swift-DocC
[2/2] Compiling plugin Swift-DocC Preview
Building for debugging...
[2/4] Write sources
[3/4] Write swift-version-24593BA9C3E375BF.txt
[5/10] Emitting module Queuer
/host/spi-builder-workspace/Sources/Queuer/ConcurrentOperation.swift:31:12: warning: class 'ConcurrentOperation' must restate inherited '@unchecked Sendable' conformance
 29 | /// It allows asynchronous tasks, has a pause and resume states,
 30 | /// can be easily added to a queue and can be created with a block.
 31 | open class ConcurrentOperation: Operation {
    |            `- warning: class 'ConcurrentOperation' must restate inherited '@unchecked Sendable' conformance
 32 |     /// `Operation`'s execution block.
 33 |     public var executionBlock: ((_ operation: ConcurrentOperation) -> Void)?
/host/spi-builder-workspace/Sources/Queuer/GroupOperation.swift:30:12: warning: class 'GroupOperation' must restate inherited '@unchecked Sendable' conformance
28 |
29 | /// It allows the creation of group `Operation`s by using it's `operations` array of `ConcurrentOperation`.
30 | open class GroupOperation: ConcurrentOperation {
   |            `- warning: class 'GroupOperation' must restate inherited '@unchecked Sendable' conformance
31 |     /// Private `OperationQueue` instance.
32 |     private let queue = OperationQueue()
/host/spi-builder-workspace/Sources/Queuer/Queuer.swift:32:23: warning: static property 'shared' is not concurrency-safe because non-'Sendable' type 'Queuer' may have shared mutable state; this is an error in the Swift 6 language mode
 28 |
 29 | /// Queuer class.
 30 | public class Queuer {
    |              `- note: class 'Queuer' does not conform to the 'Sendable' protocol
 31 |     /// Shared Queuer.
 32 |     public static let shared = Queuer(name: "Queuer")
    |                       |- warning: static property 'shared' is not concurrency-safe because non-'Sendable' type 'Queuer' may have shared mutable state; this is an error in the Swift 6 language mode
    |                       |- note: annotate 'shared' 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
 33 |
 34 |     /// Queuer `OperationQueue`.
[6/10] Compiling Queuer ConcurrentOperation.swift
/host/spi-builder-workspace/Sources/Queuer/ConcurrentOperation.swift:31:12: warning: class 'ConcurrentOperation' must restate inherited '@unchecked Sendable' conformance
 29 | /// It allows asynchronous tasks, has a pause and resume states,
 30 | /// can be easily added to a queue and can be created with a block.
 31 | open class ConcurrentOperation: Operation {
    |            `- warning: class 'ConcurrentOperation' must restate inherited '@unchecked Sendable' conformance
 32 |     /// `Operation`'s execution block.
 33 |     public var executionBlock: ((_ operation: ConcurrentOperation) -> Void)?
/host/spi-builder-workspace/Sources/Queuer/Queuer.swift:32:23: warning: static property 'shared' is not concurrency-safe because non-'Sendable' type 'Queuer' may have shared mutable state; this is an error in the Swift 6 language mode
 28 |
 29 | /// Queuer class.
 30 | public class Queuer {
    |              `- note: class 'Queuer' does not conform to the 'Sendable' protocol
 31 |     /// Shared Queuer.
 32 |     public static let shared = Queuer(name: "Queuer")
    |                       |- warning: static property 'shared' is not concurrency-safe because non-'Sendable' type 'Queuer' may have shared mutable state; this is an error in the Swift 6 language mode
    |                       |- note: annotate 'shared' 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
 33 |
 34 |     /// Queuer `OperationQueue`.
[7/10] Compiling Queuer Semaphore.swift
[8/10] Compiling Queuer Scheduler.swift
[9/10] Compiling Queuer Queuer.swift
/host/spi-builder-workspace/Sources/Queuer/Queuer.swift:32:23: warning: static property 'shared' is not concurrency-safe because non-'Sendable' type 'Queuer' may have shared mutable state; this is an error in the Swift 6 language mode
 28 |
 29 | /// Queuer class.
 30 | public class Queuer {
    |              `- note: class 'Queuer' does not conform to the 'Sendable' protocol
 31 |     /// Shared Queuer.
 32 |     public static let shared = Queuer(name: "Queuer")
    |                       |- warning: static property 'shared' is not concurrency-safe because non-'Sendable' type 'Queuer' may have shared mutable state; this is an error in the Swift 6 language mode
    |                       |- note: annotate 'shared' 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
 33 |
 34 |     /// Queuer `OperationQueue`.
/host/spi-builder-workspace/Sources/Queuer/Queuer.swift:128:28: warning: passing non-sendable parameter 'operation' to function expecting a @Sendable closure
125 |     ///
126 |     /// - Parameter block: Block to be executed.
127 |     func addOperation(_ operation: @escaping () -> Void) {
    |                         `- note: parameter 'operation' is implicitly non-sendable
128 |         queue.addOperation(operation)
    |                            `- warning: passing non-sendable parameter 'operation' to function expecting a @Sendable closure
129 |     }
130 |
/host/spi-builder-workspace/Sources/Queuer/Queuer.swift:182:57: warning: passing non-sendable parameter 'completionHandler' to function expecting a @Sendable closure
179 |     ///
180 |     /// - Parameter completionHandler: Completion handler to be executed as last `Operation`.
181 |     func addCompletionHandler(_ completionHandler: @escaping () -> Void) {
    |                                 `- note: parameter 'completionHandler' is implicitly non-sendable
182 |         let completionOperation = BlockOperation(block: completionHandler)
    |                                                         `- warning: passing non-sendable parameter 'completionHandler' to function expecting a @Sendable closure
183 |         if let lastOperation = operations.last {
184 |             completionOperation.addDependency(lastOperation)
[10/10] Compiling Queuer GroupOperation.swift
/host/spi-builder-workspace/Sources/Queuer/GroupOperation.swift:30:12: warning: class 'GroupOperation' must restate inherited '@unchecked Sendable' conformance
28 |
29 | /// It allows the creation of group `Operation`s by using it's `operations` array of `ConcurrentOperation`.
30 | open class GroupOperation: ConcurrentOperation {
   |            `- warning: class 'GroupOperation' must restate inherited '@unchecked Sendable' conformance
31 |     /// Private `OperationQueue` instance.
32 |     private let queue = OperationQueue()
/host/spi-builder-workspace/Sources/Queuer/GroupOperation.swift:57:30: warning: assigning non-sendable parameter 'completionHandler' to a @Sendable closure
51 |     ///     - operations: Array of ConcurrentOperation to be executed.
52 |     ///     - completionHandler: Block that will be executed once all operations are over.
53 |     public init(_ operations: [ConcurrentOperation], completionHandler: (() -> Void)? = nil) {
   |                                                      `- note: parameter 'completionHandler' is implicitly non-sendable
54 |         super.init()
55 |
56 |         self.operations = operations
57 |         self.completionBlock = completionHandler
   |                              `- warning: assigning non-sendable parameter 'completionHandler' to a @Sendable closure
58 |     }
59 |
Build complete! (29.67s)
Build complete.
{
  "dependencies" : [
    {
      "identity" : "swift-docc-plugin",
      "requirement" : {
        "range" : [
          {
            "lower_bound" : "1.3.0",
            "upper_bound" : "2.0.0"
          }
        ]
      },
      "type" : "sourceControl",
      "url" : "https://github.com/apple/swift-docc-plugin"
    }
  ],
  "manifest_display_name" : "Queuer",
  "name" : "Queuer",
  "path" : "/host/spi-builder-workspace",
  "platforms" : [
    {
      "name" : "ios",
      "version" : "12.0"
    },
    {
      "name" : "macos",
      "version" : "10.13"
    },
    {
      "name" : "maccatalyst",
      "version" : "13.0"
    },
    {
      "name" : "tvos",
      "version" : "12.0"
    },
    {
      "name" : "watchos",
      "version" : "4.0"
    },
    {
      "name" : "visionos",
      "version" : "1.0"
    }
  ],
  "products" : [
    {
      "name" : "Queuer",
      "targets" : [
        "Queuer"
      ],
      "type" : {
        "library" : [
          "automatic"
        ]
      }
    }
  ],
  "targets" : [
    {
      "c99name" : "QueuerTests",
      "module_type" : "SwiftTarget",
      "name" : "QueuerTests",
      "path" : "Tests/QueuerTests",
      "sources" : [
        "ConcurrentOperationTests.swift",
        "GroupOperationTests.swift",
        "QueuerTests.swift",
        "SchedulerTests.swift",
        "SemaphoreTests.swift"
      ],
      "target_dependencies" : [
        "Queuer"
      ],
      "type" : "test"
    },
    {
      "c99name" : "Queuer",
      "module_type" : "SwiftTarget",
      "name" : "Queuer",
      "path" : "Sources/Queuer",
      "product_memberships" : [
        "Queuer"
      ],
      "sources" : [
        "ConcurrentOperation.swift",
        "GroupOperation.swift",
        "Queuer.swift",
        "Scheduler.swift",
        "Semaphore.swift"
      ],
      "type" : "library"
    }
  ],
  "tools_version" : "5.9"
}
basic-6.0-latest: Pulling from finestructure/spi-images
Digest: sha256:47d26c99ca4f1ac0a332c85fd5b13ff4390e72115219984a57a68fe9d1063a05
Status: Image is up to date for registry.gitlab.com/finestructure/spi-images:basic-6.0-latest
Done.