Deferred – Build Information – Swift Package Index

Build Information

Successful build of Deferred, reference develop (c82b9e), with Swift 6.4 for Android on 18 Sep 2026 15:22:00 UTC.

Swift 6 data race errors: 0

Build Command

bash -c docker run --pull=always --rm -v "checkouts-53886770-0":/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/bignerdranch/Deferred.git
Reference: develop
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/bignerdranch/Deferred
 * branch            develop    -> FETCH_HEAD
 * [new branch]      develop    -> origin/develop
HEAD is now at c82b9ef Add concurrency migration guide
Cloned https://github.com/bignerdranch/Deferred.git
Revision (git rev-parse @):
c82b9ef73132ac88a768b9e2fdbab7765346c61d
SUCCESS checkout https://github.com/bignerdranch/Deferred.git at develop
========================================
Build
========================================
Selected platform:         android
Swift version:             6.4
Building package at path:  $PWD
https://github.com/bignerdranch/Deferred.git
Running build ...
bash -c docker run --pull=always --rm -v "checkouts-53886770-0":/host -w "$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
warning: 'spi-builder-workspace': Invalid Exclude '/host/spi-builder-workspace/Tests/DeferredTests/Tests/AllTestsCommon.swift': File not found.
warning: 'spi-builder-workspace': Invalid Exclude '/host/spi-builder-workspace/Tests/TaskTests/Tests/AllTestsCommon.swift': File not found.
warning: 'spi-builder-workspace': Invalid Exclude '/host/spi-builder-workspace/Tests/DeferredTests/Tests/AllTestsCommon.swift': File not found.
warning: 'spi-builder-workspace': Invalid Exclude '/host/spi-builder-workspace/Tests/TaskTests/Tests/AllTestsCommon.swift': File not found.
Building for debugging...
[Pre-planning 1 / 125]
[27 / 43] Deferred
[38 / 53] Deferred
/host/spi-builder-workspace/Sources/Deferred/Atomics.swift:19:22: [1;33mwarning: [1;39msafely use '@_implementationOnly' without library evolution by setting '-enable-experimental-feature CheckImplementationOnly' for 'Deferred'[0;0m [#]8;;https://docs.swift.org/compiler/documentation/diagnostics/implementation-only-deprecated\ImplementationOnlyDeprecated]8;;\]
 [0;36m17 |[0;0m
 [0;36m18 |[0;0m #if SWIFT_PACKAGE || (canImport(CAtomics) && !FORCE_PLAYGROUND_COMPATIBILITY)
 [0;36m19 |[0;0m @_implementationOnly import CAtomics
    [0;36m|[0;0m                      `- [1;33mwarning: [1;39msafely use '@_implementationOnly' without library evolution by setting '-enable-experimental-feature CheckImplementationOnly' for 'Deferred'[0;0m [#]8;;https://docs.swift.org/compiler/documentation/diagnostics/implementation-only-deprecated\ImplementationOnlyDeprecated]8;;\]
 [0;36m20 |[0;0m #elseif canImport(Darwin)
 [0;36m21 |[0;0m #warning("Using fallback implementation for Swift Playgrounds. This is unsafe for use in production. Check your build setup.")
/host/spi-builder-workspace/Sources/Deferred/DeferredVariant.swift:10:22: [1;33mwarning: [1;39msafely use '@_implementationOnly' without library evolution by setting '-enable-experimental-feature CheckImplementationOnly' for 'Deferred'[0;0m [#]8;;https://docs.swift.org/compiler/documentation/diagnostics/implementation-only-deprecated\ImplementationOnlyDeprecated]8;;\]
  [0;36m8 |[0;0m
  [0;36m9 |[0;0m #if SWIFT_PACKAGE || (canImport(CAtomics) && !FORCE_PLAYGROUND_COMPATIBILITY)
 [0;36m10 |[0;0m @_implementationOnly import CAtomics
    [0;36m|[0;0m                      `- [1;33mwarning: [1;39msafely use '@_implementationOnly' without library evolution by setting '-enable-experimental-feature CheckImplementationOnly' for 'Deferred'[0;0m [#]8;;https://docs.swift.org/compiler/documentation/diagnostics/implementation-only-deprecated\ImplementationOnlyDeprecated]8;;\]
 [0;36m11 |[0;0m #endif
 [0;36m12 |[0;0m
[#ImplementationOnlyDeprecated]: <https://docs.swift.org/compiler/documentation/diagnostics/implementation-only-deprecated>
[46 / 63] Task
/host/spi-builder-workspace/Sources/Deferred/Atomics.swift:19:22: [1;33mwarning: [1;39msafely use '@_implementationOnly' without library evolution by setting '-enable-experimental-feature CheckImplementationOnly' for 'Deferred'[0;0m [#]8;;https://docs.swift.org/compiler/documentation/diagnostics/implementation-only-deprecated\ImplementationOnlyDeprecated]8;;\]
 [0;36m17 |[0;0m
 [0;36m18 |[0;0m #if SWIFT_PACKAGE || (canImport(CAtomics) && !FORCE_PLAYGROUND_COMPATIBILITY)
 [0;36m19 |[0;0m @_implementationOnly import CAtomics
    [0;36m|[0;0m                      `- [1;33mwarning: [1;39msafely use '@_implementationOnly' without library evolution by setting '-enable-experimental-feature CheckImplementationOnly' for 'Deferred'[0;0m [#]8;;https://docs.swift.org/compiler/documentation/diagnostics/implementation-only-deprecated\ImplementationOnlyDeprecated]8;;\]
 [0;36m20 |[0;0m #elseif canImport(Darwin)
 [0;36m21 |[0;0m #warning("Using fallback implementation for Swift Playgrounds. This is unsafe for use in production. Check your build setup.")
[#ImplementationOnlyDeprecated]: <https://docs.swift.org/compiler/documentation/diagnostics/implementation-only-deprecated>
[50 / 63] Task
/host/spi-builder-workspace/Sources/Task/ExistentialTask.swift:14:22: [1;33mwarning: [1;39msafely use '@_implementationOnly' without library evolution by setting '-enable-experimental-feature CheckImplementationOnly' for 'Task'[0;0m [#]8;;https://docs.swift.org/compiler/documentation/diagnostics/implementation-only-deprecated\ImplementationOnlyDeprecated]8;;\]
 [0;36m12 |[0;0m #endif
 [0;36m13 |[0;0m #if SWIFT_PACKAGE || (canImport(CAtomics) && !FORCE_PLAYGROUND_COMPATIBILITY)
 [0;36m14 |[0;0m @_implementationOnly import CAtomics
    [0;36m|[0;0m                      `- [1;33mwarning: [1;39msafely use '@_implementationOnly' without library evolution by setting '-enable-experimental-feature CheckImplementationOnly' for 'Task'[0;0m [#]8;;https://docs.swift.org/compiler/documentation/diagnostics/implementation-only-deprecated\ImplementationOnlyDeprecated]8;;\]
 [0;36m15 |[0;0m #endif
 [0;36m16 |[0;0m
[#ImplementationOnlyDeprecated]: <https://docs.swift.org/compiler/documentation/diagnostics/implementation-only-deprecated>
[57 / 63] Task
[58 / 63] Task
[58 / 63] Deferred
/host/spi-builder-workspace/Sources/Deferred/DeferredVariant.swift:10:22: [1;33mwarning: [1;39msafely use '@_implementationOnly' without library evolution by setting '-enable-experimental-feature CheckImplementationOnly' for 'Deferred'[0;0m [#]8;;https://docs.swift.org/compiler/documentation/diagnostics/implementation-only-deprecated\ImplementationOnlyDeprecated]8;;\]
  [0;36m8 |[0;0m
  [0;36m9 |[0;0m #if SWIFT_PACKAGE || (canImport(CAtomics) && !FORCE_PLAYGROUND_COMPATIBILITY)
 [0;36m10 |[0;0m @_implementationOnly import CAtomics
    [0;36m|[0;0m                      `- [1;33mwarning: [1;39msafely use '@_implementationOnly' without library evolution by setting '-enable-experimental-feature CheckImplementationOnly' for 'Deferred'[0;0m [#]8;;https://docs.swift.org/compiler/documentation/diagnostics/implementation-only-deprecated\ImplementationOnlyDeprecated]8;;\]
 [0;36m11 |[0;0m #endif
 [0;36m12 |[0;0m
/host/spi-builder-workspace/Sources/Deferred/Executor.swift:83:24: [1;33mwarning: [1;39mpassing non-Sendable parameter 'body' to function expecting a '@Sendable' closure[0;0m
 [0;36m80 |[0;0m     }
 [0;36m81 |[0;0m
 [0;36m82 |[0;0m     public func submit(_ body: @escaping() -> Void) {
    [0;36m|[0;0m                          `- [1;39mnote: [1;39mparameter 'body' is implicitly non-Sendable[0;0m
 [0;36m83 |[0;0m         async(execute: body)
    [0;36m|[0;0m                        `- [1;33mwarning: [1;39mpassing non-Sendable parameter 'body' to function expecting a '@Sendable' closure[0;0m
 [0;36m84 |[0;0m     }
 [0;36m85 |[0;0m
/host/spi-builder-workspace/Sources/Deferred/Executor.swift:99:22: [1;33mwarning: [1;39mpassing non-Sendable parameter 'body' to function expecting a '@Sendable' closure[0;0m
 [0;36m96 |[0;0m /// operations in the queue.
 [0;36m97 |[0;0m extension OperationQueue: Executor {
 [0;36m98 |[0;0m     public func submit(_ body: @escaping() -> Void) {
    [0;36m|[0;0m                          `- [1;39mnote: [1;39mparameter 'body' is implicitly non-Sendable[0;0m
 [0;36m99 |[0;0m         addOperation(body)
    [0;36m|[0;0m                      `- [1;33mwarning: [1;39mpassing non-Sendable parameter 'body' to function expecting a '@Sendable' closure[0;0m
[0;36m100 |[0;0m     }
[0;36m101 |[0;0m }
/host/spi-builder-workspace/Sources/Deferred/Executor.swift:126:17: [1;33mwarning: [1;39mpassing non-Sendable parameter 'body' to function expecting a '@Sendable' closure[0;0m
[0;36m123 |[0;0m /// of the run loop.
[0;36m124 |[0;0m extension RunLoop: Executor {
[0;36m125 |[0;0m     public func submit(_ body: @escaping() -> Void) {
    [0;36m|[0;0m                          `- [1;39mnote: [1;39mparameter 'body' is implicitly non-Sendable[0;0m
[0;36m126 |[0;0m         perform(body)
    [0;36m|[0;0m                 `- [1;33mwarning: [1;39mpassing non-Sendable parameter 'body' to function expecting a '@Sendable' closure[0;0m
[0;36m127 |[0;0m     }
[0;36m128 |[0;0m }
[#ImplementationOnlyDeprecated]: <https://docs.swift.org/compiler/documentation/diagnostics/implementation-only-deprecated>
/host/spi-builder-workspace/Sources/Task/ExistentialTask.swift:14:22: [1;33mwarning: [1;39msafely use '@_implementationOnly' without library evolution by setting '-enable-experimental-feature CheckImplementationOnly' for 'Task'[0;0m [#]8;;https://docs.swift.org/compiler/documentation/diagnostics/implementation-only-deprecated\ImplementationOnlyDeprecated]8;;\]
 [0;36m12 |[0;0m #endif
 [0;36m13 |[0;0m #if SWIFT_PACKAGE || (canImport(CAtomics) && !FORCE_PLAYGROUND_COMPATIBILITY)
 [0;36m14 |[0;0m @_implementationOnly import CAtomics
    [0;36m|[0;0m                      `- [1;33mwarning: [1;39msafely use '@_implementationOnly' without library evolution by setting '-enable-experimental-feature CheckImplementationOnly' for 'Task'[0;0m [#]8;;https://docs.swift.org/compiler/documentation/diagnostics/implementation-only-deprecated\ImplementationOnlyDeprecated]8;;\]
 [0;36m15 |[0;0m #endif
 [0;36m16 |[0;0m
/host/spi-builder-workspace/Sources/Task/ExistentialTask.swift:275:48: [1;33mwarning: [1;39mconverting non-Sendable function value to '@Sendable @convention(block) () -> Void' may introduce data races[0;0m
[0;36m273 |[0;0m
[0;36m274 |[0;0m         if let cancellation = cancellation {
[0;36m275 |[0;0m             DispatchQueue.any().async(execute: cancellation)
    [0;36m|[0;0m                                                `- [1;33mwarning: [1;39mconverting non-Sendable function value to '@Sendable @convention(block) () -> Void' may introduce data races[0;0m
[0;36m276 |[0;0m         }
[0;36m277 |[0;0m     }
[#ImplementationOnlyDeprecated]: <https://docs.swift.org/compiler/documentation/diagnostics/implementation-only-deprecated>
Build complete! (6.19 secs)
Build complete.
{
  "dependencies" : [
  ],
  "manifest_display_name" : "Deferred",
  "name" : "Deferred",
  "path" : "/host/spi-builder-workspace",
  "platforms" : [
    {
      "name" : "macos",
      "version" : "10.12"
    },
    {
      "name" : "ios",
      "version" : "10.0"
    },
    {
      "name" : "watchos",
      "version" : "3.0"
    },
    {
      "name" : "tvos",
      "version" : "10.0"
    }
  ],
  "products" : [
    {
      "name" : "Deferred",
      "targets" : [
        "Deferred",
        "Task"
      ],
      "type" : {
        "library" : [
          "automatic"
        ]
      }
    }
  ],
  "targets" : [
    {
      "c99name" : "TaskTests",
      "module_type" : "SwiftTarget",
      "name" : "TaskTests",
      "path" : "Tests/TaskTests",
      "sources" : [
        "AllTestsCommon.swift",
        "TaskAsyncTests.swift",
        "TaskCompositionTests.swift",
        "TaskComprehensiveTests.swift",
        "TaskProgressTests.swift",
        "TaskProtocolTests.swift",
        "TaskResultTests.swift",
        "TaskTests.swift"
      ],
      "target_dependencies" : [
        "Deferred",
        "Task"
      ],
      "type" : "test"
    },
    {
      "c99name" : "Task",
      "module_type" : "SwiftTarget",
      "name" : "Task",
      "path" : "Sources/Task",
      "product_memberships" : [
        "Deferred"
      ],
      "sources" : [
        "Either.swift",
        "ExistentialTask.swift",
        "Progress+ExplicitComposition.swift",
        "Progress+Future.swift",
        "Task.swift",
        "TaskAndThen.swift",
        "TaskAsync.swift",
        "TaskChain.swift",
        "TaskCollections.swift",
        "TaskComposition.swift",
        "TaskEveryMap.swift",
        "TaskFallback.swift",
        "TaskIgnore.swift",
        "TaskMap.swift",
        "TaskPromise.swift",
        "TaskRecovery.swift",
        "TaskResult.swift",
        "TaskUpon.swift"
      ],
      "target_dependencies" : [
        "Deferred",
        "CAtomics"
      ],
      "type" : "library"
    },
    {
      "c99name" : "DeferredTests",
      "module_type" : "SwiftTarget",
      "name" : "DeferredTests",
      "path" : "Tests/DeferredTests",
      "sources" : [
        "AllTestsCommon.swift",
        "DeferredTests.swift",
        "ExistentialFutureTests.swift",
        "FilledDeferredTests.swift",
        "FutureAsyncTests.swift",
        "FutureCustomExecutorTests.swift",
        "FutureIgnoreTests.swift",
        "FutureTests.swift",
        "ObjectDeferredTests.swift",
        "PerformanceTests.swift",
        "ProtectedTests.swift",
        "SwiftBugTests.swift"
      ],
      "target_dependencies" : [
        "Deferred"
      ],
      "type" : "test"
    },
    {
      "c99name" : "Deferred",
      "module_type" : "SwiftTarget",
      "name" : "Deferred",
      "path" : "Sources/Deferred",
      "product_memberships" : [
        "Deferred"
      ],
      "sources" : [
        "Atomics.swift",
        "Deferred.swift",
        "DeferredQueue.swift",
        "DeferredVariant.swift",
        "Executor.swift",
        "ExistentialFuture.swift",
        "Future.swift",
        "FutureAndThen.swift",
        "FutureAsync.swift",
        "FutureCollections.swift",
        "FutureComposition.swift",
        "FutureEveryMap.swift",
        "FutureIgnore.swift",
        "FutureMap.swift",
        "FuturePeek.swift",
        "FutureUpon.swift",
        "Locking.swift",
        "Promise.swift",
        "Protected.swift"
      ],
      "target_dependencies" : [
        "CAtomics"
      ],
      "type" : "library"
    },
    {
      "c99name" : "CAtomics",
      "module_type" : "ClangTarget",
      "name" : "CAtomics",
      "path" : "Sources/CAtomics",
      "product_memberships" : [
        "Deferred"
      ],
      "sources" : [
        "Empty.c"
      ],
      "type" : "library"
    }
  ],
  "tools_version" : "5.1"
}
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
warning: 'spi-builder-workspace': Invalid Exclude '/host/spi-builder-workspace/Tests/DeferredTests/Tests/AllTestsCommon.swift': File not found.
warning: 'spi-builder-workspace': Invalid Exclude '/host/spi-builder-workspace/Tests/TaskTests/Tests/AllTestsCommon.swift': File not found.
Done.