Chord – Build Information – Swift Package Index

Build Information

Successful build of Chord, reference main (fd232f), with Swift 6.4 for Android on 21 Sep 2026 01:26:34 UTC.

Swift 6 data race errors: 0

Build Command

bash -c docker run --pull=always --rm -v "checkouts-54344847-0":/host -w "$PWD" -e JAVA_HOME="/root/.sdkman/candidates/java/current" -e SPI_BUILD="1" -e SPI_PROCESSING="1" registry.gitlab.com/saguaro1/spi-images:android-6.4-latest swift build --swift-sdk aarch64-unknown-linux-android28 2>&1

Build Log

========================================
RunAll
========================================
Builder version: 5.1.0
Interrupt handler set up.
========================================
Checkout
========================================
Clone URL: https://github.com/OperatorFoundation/Chord.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/OperatorFoundation/Chord
 * branch            main       -> FETCH_HEAD
 * [new branch]      main       -> origin/main
HEAD is now at fd232f4 A wild new take on async queues
Cloned https://github.com/OperatorFoundation/Chord.git
Revision (git rev-parse @):
fd232f43fe53b509c340a8a50699ef1a9423e820
SUCCESS checkout https://github.com/OperatorFoundation/Chord.git at main
========================================
Build
========================================
Selected platform:         android
Swift version:             6.4
Building package at path:  $PWD
https://github.com/OperatorFoundation/Chord.git
Running build ...
bash -c docker run --pull=always --rm -v "checkouts-54344847-0":/host -w "$PWD" -e JAVA_HOME="/root/.sdkman/candidates/java/current" -e SPI_BUILD="1" -e SPI_PROCESSING="1" registry.gitlab.com/saguaro1/spi-images:android-6.4-latest swift build --swift-sdk aarch64-unknown-linux-android28 2>&1
android-6.4-latest: Pulling from saguaro1/spi-images
Digest: sha256:abadcff584c273feba50641b454858d377ba30b35ea7287a94f45ebd8afd0ea0
Status: Image is up to date for registry.gitlab.com/saguaro1/spi-images:android-6.4-latest
Fetching https://github.com/OperatorFoundation/Datable
[1/399] Fetching datable
Fetched https://github.com/OperatorFoundation/Datable (0.48s)
Fetching https://github.com/OperatorFoundation/SwiftQueue
[1/70] Fetching swiftqueue
Fetched https://github.com/OperatorFoundation/SwiftQueue (0.44s)
Creating working copy for https://github.com/OperatorFoundation/SwiftQueue
Working copy of https://github.com/OperatorFoundation/SwiftQueue resolved at main (3d099bc)
Creating working copy for https://github.com/OperatorFoundation/Datable
Working copy of https://github.com/OperatorFoundation/Datable resolved at main (1186348)
Building for debugging...
[Pre-planning 1 / 96]
[28 / 43] SwiftQueue
[41 / 53] Chord
[42 / 53] Chord
/host/spi-builder-workspace/Sources/Chord/ConcurrencyTester.swift:38:9: [1;33mwarning: [1;39munstructured throwing task created by 'init(name:priority:operation:)' is not used, which may accidentally ignore errors thrown inside the task[0;0m [#]8;;https://docs.swift.org/compiler/documentation/diagnostics/no-use-throwing-unstructured-task\NoUseUnstructuredThrowingTask]8;;\]
[0;36m36 |[0;0m     public func test() -> Bool
[0;36m37 |[0;0m     {
[0;36m38 |[0;0m         Task
   [0;36m|[0;0m         |- [1;33mwarning: [1;39munstructured throwing task created by 'init(name:priority:operation:)' is not used, which may accidentally ignore errors thrown inside the task[0;0m [#]8;;https://docs.swift.org/compiler/documentation/diagnostics/no-use-throwing-unstructured-task\NoUseUnstructuredThrowingTask]8;;\]
   [0;36m|[0;0m         `- [1;39mnote: [1;39mto silence this warning, handle the error inside the task, or store/discard the task value explicitly[0;0m
[0;36m39 |[0;0m         {
[0;36m40 |[0;0m             try await Task.sleep(for: Duration.seconds(1))
[#NoUseUnstructuredThrowingTask]: <https://docs.swift.org/compiler/documentation/diagnostics/no-use-throwing-unstructured-task>
/host/spi-builder-workspace/Sources/Chord/RepeatingTask.swift:42:17: [1;33mwarning: [1;39mmutation of captured var 'keepRunning' in concurrently-executing code; this is an error in the Swift 6 language mode[0;0m [#]8;;https://docs.swift.org/compiler/documentation/diagnostics/sendable-closure-captures\SendableClosureCaptures]8;;\]
[0;36m40 |[0;0m                 // Always lock before interacting with keepRunning
[0;36m41 |[0;0m                 self.cancelLock.enter()
[0;36m42 |[0;0m                 keepRunning = self.notCancelled
   [0;36m|[0;0m                 `- [1;33mwarning: [1;39mmutation of captured var 'keepRunning' in concurrently-executing code; this is an error in the Swift 6 language mode[0;0m [#]8;;https://docs.swift.org/compiler/documentation/diagnostics/sendable-closure-captures\SendableClosureCaptures]8;;\]
[0;36m43 |[0;0m                 self.cancelLock.leave()
[0;36m44 |[0;0m
/host/spi-builder-workspace/Sources/Chord/RepeatingTask.swift:45:31: [1;33mwarning: [1;39mreference to captured var 'keepRunning' in concurrently-executing code; this is an error in the Swift 6 language mode[0;0m [#]8;;https://docs.swift.org/compiler/documentation/diagnostics/sendable-closure-captures\SendableClosureCaptures]8;;\]
[0;36m43 |[0;0m                 self.cancelLock.leave()
[0;36m44 |[0;0m
[0;36m45 |[0;0m                 if goAgain && keepRunning
   [0;36m|[0;0m                               `- [1;33mwarning: [1;39mreference to captured var 'keepRunning' in concurrently-executing code; this is an error in the Swift 6 language mode[0;0m [#]8;;https://docs.swift.org/compiler/documentation/diagnostics/sendable-closure-captures\SendableClosureCaptures]8;;\]
[0;36m46 |[0;0m                 {
[0;36m47 |[0;0m                     self.run()
/host/spi-builder-workspace/Sources/Chord/SleepingTimer.swift:37:9: [1;33mwarning: [1;39munstructured throwing task created by 'init(name:priority:operation:)' is not used, which may accidentally ignore errors thrown inside the task[0;0m [#]8;;https://docs.swift.org/compiler/documentation/diagnostics/no-use-throwing-unstructured-task\NoUseUnstructuredThrowingTask]8;;\]
[0;36m35 |[0;0m     func run()
[0;36m36 |[0;0m     {
[0;36m37 |[0;0m         Task
   [0;36m|[0;0m         |- [1;33mwarning: [1;39munstructured throwing task created by 'init(name:priority:operation:)' is not used, which may accidentally ignore errors thrown inside the task[0;0m [#]8;;https://docs.swift.org/compiler/documentation/diagnostics/no-use-throwing-unstructured-task\NoUseUnstructuredThrowingTask]8;;\]
   [0;36m|[0;0m         `- [1;39mnote: [1;39mto silence this warning, handle the error inside the task, or store/discard the task value explicitly[0;0m
[0;36m38 |[0;0m         {
[0;36m39 |[0;0m             if self.repeats
[#NoUseUnstructuredThrowingTask]: <https://docs.swift.org/compiler/documentation/diagnostics/no-use-throwing-unstructured-task>
[#SendableClosureCaptures]: <https://docs.swift.org/compiler/documentation/diagnostics/sendable-closure-captures>
/host/spi-builder-workspace/Sources/Chord/AsyncQueue.swift:28:39: [1;33mwarning: [1;39mcannot explicitly specialize static method 'async'[0;0m
[0;36m26 |[0;0m     public func enqueue(element: T) async
[0;36m27 |[0;0m     {
[0;36m28 |[0;0m         await AsyncAwaitAsynchronizer.async<T>
   [0;36m|[0;0m                                       `- [1;33mwarning: [1;39mcannot explicitly specialize static method 'async'[0;0m
[0;36m29 |[0;0m         {
[0;36m30 |[0;0m             self.queue.enqueue(element: element)
/host/spi-builder-workspace/Sources/Chord/Asynchronizer.swift:44:24: [1;39mnote: [1;39m'async' declared here[0;0m
 [0;36m42 |[0;0m public class AsyncAwaitAsynchronizer
 [0;36m43 |[0;0m {
 [0;36m44 |[0;0m     static public func async(_ blockingCall: @escaping () -> Void ) async
    [0;36m|[0;0m                        `- [1;39mnote: [1;39m'async' declared here[0;0m
 [0;36m45 |[0;0m     {
 [0;36m46 |[0;0m         func dispatch(completion: @escaping () -> Void)
/host/spi-builder-workspace/Sources/Chord/AsyncQueue.swift:36:39: [1;33mwarning: [1;39mcannot explicitly specialize static method 'async'[0;0m
[0;36m34 |[0;0m     public func dequeue() async -> T
[0;36m35 |[0;0m     {
[0;36m36 |[0;0m         await AsyncAwaitAsynchronizer.async<T>
   [0;36m|[0;0m                                       `- [1;33mwarning: [1;39mcannot explicitly specialize static method 'async'[0;0m
[0;36m37 |[0;0m         {
[0;36m38 |[0;0m             return self.queue.dequeue()
/host/spi-builder-workspace/Sources/Chord/Asynchronizer.swift:104:24: [1;39mnote: [1;39m'async' declared here[0;0m
[0;36m102 |[0;0m     }
[0;36m103 |[0;0m
[0;36m104 |[0;0m     static public func async<T>(_ blockingCall: @escaping () -> T ) async -> T
    [0;36m|[0;0m                        `- [1;39mnote: [1;39m'async' declared here[0;0m
[0;36m105 |[0;0m     {
[0;36m106 |[0;0m         func dispatch(completion: @escaping (T) -> Void)
[49 / 54] SwiftQueue
[51 / 54] Chord
Build complete! (6.20 secs)
Build complete.
{
  "dependencies" : [
    {
      "identity" : "datable",
      "requirement" : {
        "branch" : [
          "main"
        ]
      },
      "type" : "sourceControl",
      "url" : "https://github.com/OperatorFoundation/Datable"
    },
    {
      "identity" : "swiftqueue",
      "requirement" : {
        "branch" : [
          "main"
        ]
      },
      "type" : "sourceControl",
      "url" : "https://github.com/OperatorFoundation/SwiftQueue"
    }
  ],
  "manifest_display_name" : "Chord",
  "name" : "Chord",
  "path" : "/host/spi-builder-workspace",
  "platforms" : [
    {
      "name" : "macos",
      "version" : "13.0"
    },
    {
      "name" : "ios",
      "version" : "16.0"
    }
  ],
  "products" : [
    {
      "name" : "Chord",
      "targets" : [
        "Chord"
      ],
      "type" : {
        "library" : [
          "automatic"
        ]
      }
    }
  ],
  "swift_languages_versions" : [
    "5"
  ],
  "targets" : [
    {
      "c99name" : "ChordTests",
      "module_type" : "SwiftTarget",
      "name" : "ChordTests",
      "path" : "Tests/ChordTests",
      "product_dependencies" : [
        "Datable"
      ],
      "sources" : [
        "ChordTests.swift",
        "XCTestManifests.swift"
      ],
      "target_dependencies" : [
        "Chord"
      ],
      "type" : "test"
    },
    {
      "c99name" : "Chord",
      "module_type" : "SwiftTarget",
      "name" : "Chord",
      "path" : "Sources/Chord",
      "product_dependencies" : [
        "SwiftQueue"
      ],
      "product_memberships" : [
        "Chord"
      ],
      "sources" : [
        "AsyncBufferingQueue.swift",
        "AsyncLock.swift",
        "AsyncQueue.swift",
        "AsyncTimer.swift",
        "Asynchronizer.swift",
        "BlockingQueue.swift",
        "Chord.swift",
        "Collector.swift",
        "ConcurrencyTester.swift",
        "Data+async.swift",
        "FilteredQueue.swift",
        "InvertedLockedCounter.swift",
        "LockedCounter.swift",
        "MultiQueue.swift",
        "Promise.swift",
        "RepeatingTask.swift",
        "SleepingTimer.swift",
        "Synchronizer.swift",
        "ThreadSafeDictionary.swift",
        "ThreadSafeSet.swift",
        "Timeout.swift"
      ],
      "type" : "library"
    }
  ],
  "tools_version" : "5.8"
}
android-6.4-latest: Pulling from saguaro1/spi-images
Digest: sha256:abadcff584c273feba50641b454858d377ba30b35ea7287a94f45ebd8afd0ea0
Status: Image is up to date for registry.gitlab.com/saguaro1/spi-images:android-6.4-latest
Done.