package-concurrency-helpers – Build Information

Build Information

Successful build of package-concurrency-helpers, reference main (0c6d9d), with Swift 6.4 for macOS (SPM) on 23 Sep 2026 03:35:35 UTC.

Swift 6 data race errors: 0

Build Command

env DEVELOPER_DIR=/Applications/Xcode-27.0.0-Release.Candidate.app xcrun swift build --arch arm64

Build Log

========================================
RunAll
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Builder version: 5.1.0
Interrupt handler set up.
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Checkout
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Clone URL: https://github.com/ordo-one/package-concurrency-helpers.git
Reference: main
Initialized empty Git repository in /Users/admin/builder/spi-builder-workspace/.git/
From https://github.com/ordo-one/package-concurrency-helpers
 * branch            main       -> FETCH_HEAD
 * [new branch]      main       -> origin/main
HEAD is now at 0c6d9d5 ci: 🔄 synced local '.github/workflows/' with remote 'workflows/swift'
Cloned https://github.com/ordo-one/package-concurrency-helpers.git
Revision (git rev-parse @):
0c6d9d5ae71ccfabd4b13cdb44a214fe67f526f3
SUCCESS checkout https://github.com/ordo-one/package-concurrency-helpers.git at main
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Build
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Selected platform:         macosSpm
Swift version:             6.4
Building package at path:  $PWD
https://github.com/ordo-one/package-concurrency-helpers.git
Running build ...
env DEVELOPER_DIR=/Applications/Xcode-27.0.0-Release.Candidate.app xcrun swift build --arch arm64
Building for debugging...
[Constructing description]
[Planning deferred tasks]
[38 / 70]
[43 / 72] _PauseShims
[51 / 81]
[61 / 104]
[65 / 104]
[78 / 133] Atomics
[84 / 133]
[86 / 133] Atomics
[96 / 134]
[100 / 145] Atomics
[103 / 145]
[114 / 145]
[121 / 145]
[124 / 145] PackageConcurrencyHelpers
[128 / 145]
[129 / 145]
[130 / 145]
[136 / 145] Helpers
[142 / 145] Helpers
Build complete! (6.76 sec)
Fetching https://github.com/mattgallagher/CwlPreconditionTesting
Fetching https://github.com/apple/swift-atomics
Fetching https://github.com/apple/swift-docc-plugin
[1/1257] Fetching cwlpreconditiontesting
[39/3602] Fetching cwlpreconditiontesting, swift-docc-plugin
[40/5477] Fetching cwlpreconditiontesting, swift-docc-plugin, swift-atomics
Fetched https://github.com/mattgallagher/CwlPreconditionTesting (1.43s)
Fetched https://github.com/apple/swift-atomics (1.43s)
Fetched https://github.com/apple/swift-docc-plugin (1.43s)
Computing version for https://github.com/mattgallagher/CwlPreconditionTesting
Computed https://github.com/mattgallagher/CwlPreconditionTesting at 2.2.2 (2.14s)
Fetching https://github.com/mattgallagher/CwlCatchException.git
[1/460] Fetching cwlcatchexception
Fetched https://github.com/mattgallagher/CwlCatchException.git (0.87s)
Computing version for https://github.com/mattgallagher/CwlCatchException.git
Computed https://github.com/mattgallagher/CwlCatchException.git at 2.2.1 (1.56s)
Computing version for https://github.com/apple/swift-atomics
Computed https://github.com/apple/swift-atomics at 1.3.1 (0.56s)
Computing version for https://github.com/apple/swift-docc-plugin
Computed https://github.com/apple/swift-docc-plugin at 1.5.0 (0.63s)
Fetching https://github.com/swiftlang/swift-docc-symbolkit
[1/3829] Fetching swift-docc-symbolkit
Fetched https://github.com/swiftlang/swift-docc-symbolkit (1.39s)
Computing version for https://github.com/swiftlang/swift-docc-symbolkit
Computed https://github.com/swiftlang/swift-docc-symbolkit at 1.0.0 (2.12s)
Creating working copy for https://github.com/apple/swift-docc-plugin
Working copy of https://github.com/apple/swift-docc-plugin resolved at 1.5.0
Creating working copy for https://github.com/mattgallagher/CwlCatchException.git
Working copy of https://github.com/mattgallagher/CwlCatchException.git resolved at 2.2.1
Creating working copy for https://github.com/mattgallagher/CwlPreconditionTesting
Working copy of https://github.com/mattgallagher/CwlPreconditionTesting resolved at 2.2.2
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
Creating working copy for https://github.com/apple/swift-atomics
Working copy of https://github.com/apple/swift-atomics resolved at 1.3.1
/Users/admin/builder/spi-builder-workspace/Sources/ConcurrencyHelpers/YieldWithBackPressure.swift:24:35: [1;33mwarning: [1;39msending 'message' risks causing data races; this is an error in the Swift 6 language mode[0;0m [#]8;;https://docs.swift.org/compiler/documentation/diagnostics/region-isolation\RegionIsolation]8;;\::]8;;https://docs.swift.org/compiler/documentation/diagnostics/sending-risks-data-race\SendingRisksDataRace]8;;\]
[0;36m22 |[0;0m ) async -> Bool {
[0;36m23 |[0;0m     while true {
[0;36m24 |[0;0m         let result = continuation.yield(message)
   [0;36m|[0;0m                                   |- [1;33mwarning: [1;39msending 'message' risks causing data races; this is an error in the Swift 6 language mode[0;0m [#]8;;https://docs.swift.org/compiler/documentation/diagnostics/region-isolation\RegionIsolation]8;;\::]8;;https://docs.swift.org/compiler/documentation/diagnostics/sending-risks-data-race\SendingRisksDataRace]8;;\]
   [0;36m|[0;0m                                   `- [1;39mnote: [1;39m'message' is passed as a 'sending' parameter; Uses in callee may race with code in the current isolation context[0;0m
[0;36m25 |[0;0m         switch result {
[0;36m26 |[0;0m         case .terminated:
[#RegionIsolation]: <https://docs.swift.org/compiler/documentation/diagnostics/region-isolation>
[#SendingRisksDataRace]: <https://docs.swift.org/compiler/documentation/diagnostics/sending-risks-data-race>
Build complete.
{
  "dependencies" : [
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  "tools_version" : "5.8"
}
Done.