Swift Package IndexBuild Information
Successful build of Deferred, reference develop (c82b9e), with Swift 6.2 (beta) for macOS (SPM) on 19 Jun 2025 16:53:36 UTC.
Swift 6 data race errors: 0
Build Command
env DEVELOPER_DIR=/Applications/Xcode-26.0.0-Beta.app xcrun swift build --arch arm64Build Log
========================================
RunAll
========================================
Builder version: 4.64.0
Interrupt handler set up.
========================================
Checkout
========================================
Clone URL: https://github.com/bignerdranch/Deferred.git
Reference: develop
Initialized empty Git repository in /Users/admin/builder/spi-builder-workspace/.git/
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: macosSpm
Swift version: 6.2
Building package at path: $PWD
https://github.com/bignerdranch/Deferred.git
Running build ...
env DEVELOPER_DIR=/Applications/Xcode-26.0.0-Beta.app xcrun swift build --arch arm64
Building for debugging...
[0/4] Write sources
[2/4] Compiling CAtomics Empty.c
[3/4] Write swift-version-1EA4D86E10B52AF.txt
[5/23] Compiling Deferred FutureIgnore.swift
[6/23] Compiling Deferred FutureMap.swift
[7/24] Compiling Deferred Protected.swift
[8/24] Compiling Deferred FutureAsync.swift
[9/24] Compiling Deferred FutureCollections.swift
[10/24] Compiling Deferred Future.swift
[11/24] Compiling Deferred FutureAndThen.swift
[12/24] Compiling Deferred FuturePeek.swift
[13/24] Compiling Deferred FutureUpon.swift
[14/24] Compiling Deferred FutureComposition.swift
[15/24] Compiling Deferred FutureEveryMap.swift
[16/24] Compiling Deferred Locking.swift
[17/24] Compiling Deferred Promise.swift
[18/24] Compiling Deferred DeferredQueue.swift
/Users/admin/builder/spi-builder-workspace/Sources/Deferred/DeferredVariant.swift:10:22: warning: using '@_implementationOnly' without enabling library evolution for 'Deferred' may lead to instability during execution
8 |
9 | #if SWIFT_PACKAGE || (canImport(CAtomics) && !FORCE_PLAYGROUND_COMPATIBILITY)
10 | @_implementationOnly import CAtomics
| `- warning: using '@_implementationOnly' without enabling library evolution for 'Deferred' may lead to instability during execution
11 | #endif
12 |
[19/24] Compiling Deferred DeferredVariant.swift
/Users/admin/builder/spi-builder-workspace/Sources/Deferred/DeferredVariant.swift:10:22: warning: using '@_implementationOnly' without enabling library evolution for 'Deferred' may lead to instability during execution
8 |
9 | #if SWIFT_PACKAGE || (canImport(CAtomics) && !FORCE_PLAYGROUND_COMPATIBILITY)
10 | @_implementationOnly import CAtomics
| `- warning: using '@_implementationOnly' without enabling library evolution for 'Deferred' may lead to instability during execution
11 | #endif
12 |
[20/24] Compiling Deferred Atomics.swift
/Users/admin/builder/spi-builder-workspace/Sources/Deferred/Atomics.swift:19:22: warning: using '@_implementationOnly' without enabling library evolution for 'Deferred' may lead to instability during execution
17 |
18 | #if SWIFT_PACKAGE || (canImport(CAtomics) && !FORCE_PLAYGROUND_COMPATIBILITY)
19 | @_implementationOnly import CAtomics
| `- warning: using '@_implementationOnly' without enabling library evolution for 'Deferred' may lead to instability during execution
20 | #elseif canImport(Darwin)
21 | #warning("Using fallback implementation for Swift Playgrounds. This is unsafe for use in production. Check your build setup.")
[21/24] Compiling Deferred Deferred.swift
/Users/admin/builder/spi-builder-workspace/Sources/Deferred/Atomics.swift:19:22: warning: using '@_implementationOnly' without enabling library evolution for 'Deferred' may lead to instability during execution
17 |
18 | #if SWIFT_PACKAGE || (canImport(CAtomics) && !FORCE_PLAYGROUND_COMPATIBILITY)
19 | @_implementationOnly import CAtomics
| `- warning: using '@_implementationOnly' without enabling library evolution for 'Deferred' may lead to instability during execution
20 | #elseif canImport(Darwin)
21 | #warning("Using fallback implementation for Swift Playgrounds. This is unsafe for use in production. Check your build setup.")
[22/24] Emitting module Deferred
/Users/admin/builder/spi-builder-workspace/Sources/Deferred/Atomics.swift:19:22: warning: using '@_implementationOnly' without enabling library evolution for 'Deferred' may lead to instability during execution
17 |
18 | #if SWIFT_PACKAGE || (canImport(CAtomics) && !FORCE_PLAYGROUND_COMPATIBILITY)
19 | @_implementationOnly import CAtomics
| `- warning: using '@_implementationOnly' without enabling library evolution for 'Deferred' may lead to instability during execution
20 | #elseif canImport(Darwin)
21 | #warning("Using fallback implementation for Swift Playgrounds. This is unsafe for use in production. Check your build setup.")
/Users/admin/builder/spi-builder-workspace/Sources/Deferred/DeferredVariant.swift:10:22: warning: using '@_implementationOnly' without enabling library evolution for 'Deferred' may lead to instability during execution
8 |
9 | #if SWIFT_PACKAGE || (canImport(CAtomics) && !FORCE_PLAYGROUND_COMPATIBILITY)
10 | @_implementationOnly import CAtomics
| `- warning: using '@_implementationOnly' without enabling library evolution for 'Deferred' may lead to instability during execution
11 | #endif
12 |
[23/24] Compiling Deferred Executor.swift
[24/24] Compiling Deferred ExistentialFuture.swift
[25/42] Compiling Task TaskPromise.swift
[26/42] Compiling Task TaskRecovery.swift
[27/42] Compiling Task TaskResult.swift
[28/42] Compiling Task TaskIgnore.swift
[29/42] Compiling Task TaskMap.swift
[30/43] Compiling Task TaskUpon.swift
[31/43] Compiling Task Task.swift
[32/43] Compiling Task TaskAndThen.swift
[33/43] Compiling Task TaskAsync.swift
/Users/admin/builder/spi-builder-workspace/Sources/Task/TaskChain.swift:35:19: warning: class 'Root' must restate inherited '@unchecked Sendable' conformance
33 | /// that first task's `Root`.
34 | @objc(BNRTaskRootProgress)
35 | private class Root: Progress {
| `- warning: class 'Root' must restate inherited '@unchecked Sendable' conformance
36 | /// Key for value of type `[Root]?` in `Thread.threadDictionary`.
37 | static let threadKey = "_BNRTaskProgressStack"
[34/43] Compiling Task TaskChain.swift
/Users/admin/builder/spi-builder-workspace/Sources/Task/TaskChain.swift:35:19: warning: class 'Root' must restate inherited '@unchecked Sendable' conformance
33 | /// that first task's `Root`.
34 | @objc(BNRTaskRootProgress)
35 | private class Root: Progress {
| `- warning: class 'Root' must restate inherited '@unchecked Sendable' conformance
36 | /// Key for value of type `[Root]?` in `Thread.threadDictionary`.
37 | static let threadKey = "_BNRTaskProgressStack"
[35/43] Compiling Task TaskEveryMap.swift
[36/43] Compiling Task TaskFallback.swift
[37/43] Compiling Task Progress+ExplicitComposition.swift
/Users/admin/builder/spi-builder-workspace/Sources/Task/Progress+ExplicitComposition.swift:15:21: warning: class 'ProxyProgress' must restate inherited '@unchecked Sendable' conformance
13 | /// tree.
14 | @objc(BNRTaskProxyProgress)
15 | private final class ProxyProgress: Progress {
| `- warning: class 'ProxyProgress' must restate inherited '@unchecked Sendable' conformance
16 |
17 | @objc dynamic let observee: Progress
[38/43] Compiling Task Progress+Future.swift
/Users/admin/builder/spi-builder-workspace/Sources/Task/Progress+ExplicitComposition.swift:15:21: warning: class 'ProxyProgress' must restate inherited '@unchecked Sendable' conformance
13 | /// tree.
14 | @objc(BNRTaskProxyProgress)
15 | private final class ProxyProgress: Progress {
| `- warning: class 'ProxyProgress' must restate inherited '@unchecked Sendable' conformance
16 |
17 | @objc dynamic let observee: Progress
[39/43] Compiling Task Either.swift
/Users/admin/builder/spi-builder-workspace/Sources/Task/ExistentialTask.swift:14:22: warning: using '@_implementationOnly' without enabling library evolution for 'Task' may lead to instability during execution
12 | #endif
13 | #if SWIFT_PACKAGE || (canImport(CAtomics) && !FORCE_PLAYGROUND_COMPATIBILITY)
14 | @_implementationOnly import CAtomics
| `- warning: using '@_implementationOnly' without enabling library evolution for 'Task' may lead to instability during execution
15 | #endif
16 |
[40/43] Compiling Task ExistentialTask.swift
/Users/admin/builder/spi-builder-workspace/Sources/Task/ExistentialTask.swift:14:22: warning: using '@_implementationOnly' without enabling library evolution for 'Task' may lead to instability during execution
12 | #endif
13 | #if SWIFT_PACKAGE || (canImport(CAtomics) && !FORCE_PLAYGROUND_COMPATIBILITY)
14 | @_implementationOnly import CAtomics
| `- warning: using '@_implementationOnly' without enabling library evolution for 'Task' may lead to instability during execution
15 | #endif
16 |
[41/43] Emitting module Task
/Users/admin/builder/spi-builder-workspace/Sources/Task/ExistentialTask.swift:14:22: warning: using '@_implementationOnly' without enabling library evolution for 'Task' may lead to instability during execution
12 | #endif
13 | #if SWIFT_PACKAGE || (canImport(CAtomics) && !FORCE_PLAYGROUND_COMPATIBILITY)
14 | @_implementationOnly import CAtomics
| `- warning: using '@_implementationOnly' without enabling library evolution for 'Task' may lead to instability during execution
15 | #endif
16 |
/Users/admin/builder/spi-builder-workspace/Sources/Task/Progress+ExplicitComposition.swift:15:21: warning: class 'ProxyProgress' must restate inherited '@unchecked Sendable' conformance
13 | /// tree.
14 | @objc(BNRTaskProxyProgress)
15 | private final class ProxyProgress: Progress {
| `- warning: class 'ProxyProgress' must restate inherited '@unchecked Sendable' conformance
16 |
17 | @objc dynamic let observee: Progress
/Users/admin/builder/spi-builder-workspace/Sources/Task/TaskChain.swift:35:19: warning: class 'Root' must restate inherited '@unchecked Sendable' conformance
33 | /// that first task's `Root`.
34 | @objc(BNRTaskRootProgress)
35 | private class Root: Progress {
| `- warning: class 'Root' must restate inherited '@unchecked Sendable' conformance
36 | /// Key for value of type `[Root]?` in `Thread.threadDictionary`.
37 | static let threadKey = "_BNRTaskProgressStack"
[42/43] Compiling Task TaskCollections.swift
[43/43] Compiling Task TaskComposition.swift
Build complete! (5.35s)
warning: 'spi-builder-workspace': Invalid Exclude '/Users/admin/builder/spi-builder-workspace/Tests/DeferredTests/Tests/AllTestsCommon.swift': File not found.
warning: 'spi-builder-workspace': Invalid Exclude '/Users/admin/builder/spi-builder-workspace/Tests/TaskTests/Tests/AllTestsCommon.swift': File not found.
Build complete.
{
"dependencies" : [
],
"manifest_display_name" : "Deferred",
"name" : "Deferred",
"path" : "/Users/admin/builder/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"
}
warning: 'spi-builder-workspace': Invalid Exclude '/Users/admin/builder/spi-builder-workspace/Tests/DeferredTests/Tests/AllTestsCommon.swift': File not found.
warning: 'spi-builder-workspace': Invalid Exclude '/Users/admin/builder/spi-builder-workspace/Tests/TaskTests/Tests/AllTestsCommon.swift': File not found.
Done.