Build Information
Successful build of swift-perception, reference main (597afd), with Swift 6.4 for macOS (SPM) on 27 Sep 2026 14:00:38 UTC.
Swift 6 data race errors: 0
Build Command
env DEVELOPER_DIR=/Applications/Xcode-27.0.0-Release.Candidate.app xcrun swift build --arch arm64Build Log
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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/pointfreeco/swift-perception.git
Reference: main
Initialized empty Git repository in /Users/admin/builder/spi-builder-workspace/.git/
From https://github.com/pointfreeco/swift-perception
* branch main -> FETCH_HEAD
* [new branch] main -> origin/main
HEAD is now at 597afd4 Fix documentation link (#174)
Cloned https://github.com/pointfreeco/swift-perception.git
Revision (git rev-parse @):
597afd46249f4a71885b95d26b26cc5b893daf32
SPI manifest file found: $PWD/.spi.yml
SUCCESS checkout https://github.com/pointfreeco/swift-perception.git at main
========================================
Build
========================================
Selected platform: macosSpm
Swift version: 6.4
Building package at path: $PWD
https://github.com/pointfreeco/swift-perception.git
Running build ...
env DEVELOPER_DIR=/Applications/Xcode-27.0.0-Release.Candidate.app xcrun swift build --arch arm64
Building for debugging...
[Computing dependencies]
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Build complete! (22.30 sec)
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Downloaded https://download.swift.org/prebuilts/swift-syntax/604.0.0/swiftlang-6.4.0.34.1-macosx27.0-MacroSupport.zip (1.92s)
/Users/admin/builder/spi-builder-workspace/Sources/PerceptionCore/Perceptions.swift:15:2: [1;33mwarning: [1;39msymbol name 'swift_task_addCancellationHandler' is reserved for the Swift runtime and cannot be directly referenced without causing unpredictable behavior; this will become an error[0;0m
[0;36m13 |[0;0m
[0;36m14 |[0;0m @usableFromInline
[0;36m15 |[0;0m @_silgen_name("swift_task_addCancellationHandler")
[0;36m|[0;0m `- [1;33mwarning: [1;39msymbol name 'swift_task_addCancellationHandler' is reserved for the Swift runtime and cannot be directly referenced without causing unpredictable behavior; this will become an error[0;0m
[0;36m16 |[0;0m func _taskAddCancellationHandler(handler: () -> Void)
[0;36m17 |[0;0m -> UnsafeRawPointer /*CancellationNotificationStatusRecord*/
/Users/admin/builder/spi-builder-workspace/Sources/PerceptionCore/Perceptions.swift:20:2: [1;33mwarning: [1;39msymbol name 'swift_task_removeCancellationHandler' is reserved for the Swift runtime and cannot be directly referenced without causing unpredictable behavior; this will become an error[0;0m
[0;36m18 |[0;0m
[0;36m19 |[0;0m @usableFromInline
[0;36m20 |[0;0m @_silgen_name("swift_task_removeCancellationHandler")
[0;36m|[0;0m `- [1;33mwarning: [1;39msymbol name 'swift_task_removeCancellationHandler' is reserved for the Swift runtime and cannot be directly referenced without causing unpredictable behavior; this will become an error[0;0m
[0;36m21 |[0;0m func _taskRemoveCancellationHandler(
[0;36m22 |[0;0m record: UnsafeRawPointer /*CancellationNotificationStatusRecord*/
/Users/admin/builder/spi-builder-workspace/Sources/PerceptionCore/Perceptions.swift:124:20: [1;33mwarning: [1;39m'withUnsafeContinuation(isolation:_:)' is deprecated: Replaced by nonisolated(nonsending) overload[0;0m [#]8;;https://docs.swift.org/compiler/documentation/diagnostics/deprecated-declaration\DeprecatedDeclaration]8;;\]
[0;36m122 |[0;0m state: _ManagedCriticalState<State>, id: Int
[0;36m123 |[0;0m ) async {
[0;36m124 |[0;0m return await withUnsafeContinuation(isolation: iterationIsolation) { continuation in
[0;36m|[0;0m `- [1;33mwarning: [1;39m'withUnsafeContinuation(isolation:_:)' is deprecated: Replaced by nonisolated(nonsending) overload[0;0m [#]8;;https://docs.swift.org/compiler/documentation/diagnostics/deprecated-declaration\DeprecatedDeclaration]8;;\]
[0;36m125 |[0;0m state.withCriticalRegion { state in
[0;36m126 |[0;0m defer { state.dirty = false }
/Users/admin/builder/spi-builder-workspace/Sources/PerceptionCore/Perceptions.swift:219:28: [1;33mwarning: [1;39mconverting @isolated(any) function of type '@isolated(any) @Sendable () throws(Failure) -> Element' to synchronous function type '() throws(Failure) -> Element' is not allowed; this will be an error in a future Swift language mode[0;0m [#]8;;https://docs.swift.org/compiler/documentation/diagnostics/conversion-from-isolated-any-to-synchronous\ConversionFromIsolatedAnyToSynchronous]8;;\]
[0;36m217 |[0;0m case .element(let element):
[0;36m218 |[0;0m // NB: This warning exists in the Swift standard library and appears to be unavoidable
[0;36m219 |[0;0m Result(catching: element).map { Iteration.next($0) }
[0;36m|[0;0m `- [1;33mwarning: [1;39mconverting @isolated(any) function of type '@isolated(any) @Sendable () throws(Failure) -> Element' to synchronous function type '() throws(Failure) -> Element' is not allowed; this will be an error in a future Swift language mode[0;0m [#]8;;https://docs.swift.org/compiler/documentation/diagnostics/conversion-from-isolated-any-to-synchronous\ConversionFromIsolatedAnyToSynchronous]8;;\]
[0;36m220 |[0;0m case .iteration(let iteration):
[0;36m221 |[0;0m // NB: This warning exists in the Swift standard library and appears to be unavoidable
/Users/admin/builder/spi-builder-workspace/Sources/PerceptionCore/Perceptions.swift:222:28: [1;33mwarning: [1;39mconverting @isolated(any) function of type '@isolated(any) @Sendable () throws(Failure) -> Perceptions<Element, Failure>.Iteration' to synchronous function type '() throws(Failure) -> Perceptions<Element, Failure>.Iteration' is not allowed; this will be an error in a future Swift language mode[0;0m [#]8;;https://docs.swift.org/compiler/documentation/diagnostics/conversion-from-isolated-any-to-synchronous\ConversionFromIsolatedAnyToSynchronous]8;;\]
[0;36m220 |[0;0m case .iteration(let iteration):
[0;36m221 |[0;0m // NB: This warning exists in the Swift standard library and appears to be unavoidable
[0;36m222 |[0;0m Result(catching: iteration)
[0;36m|[0;0m `- [1;33mwarning: [1;39mconverting @isolated(any) function of type '@isolated(any) @Sendable () throws(Failure) -> Perceptions<Element, Failure>.Iteration' to synchronous function type '() throws(Failure) -> Perceptions<Element, Failure>.Iteration' is not allowed; this will be an error in a future Swift language mode[0;0m [#]8;;https://docs.swift.org/compiler/documentation/diagnostics/conversion-from-isolated-any-to-synchronous\ConversionFromIsolatedAnyToSynchronous]8;;\]
[0;36m223 |[0;0m }
[0;36m224 |[0;0m } onChange: { [state] in
[#ConversionFromIsolatedAnyToSynchronous]: <https://docs.swift.org/compiler/documentation/diagnostics/conversion-from-isolated-any-to-synchronous>
[#DeprecatedDeclaration]: <https://docs.swift.org/compiler/documentation/diagnostics/deprecated-declaration>
/Users/admin/builder/spi-builder-workspace/Sources/PerceptionCore/Perceptions.swift:15:2: [1;33mwarning: [1;39msymbol name 'swift_task_addCancellationHandler' is reserved for the Swift runtime and cannot be directly referenced without causing unpredictable behavior; this will become an error[0;0m
[0;36m13 |[0;0m
[0;36m14 |[0;0m @usableFromInline
[0;36m15 |[0;0m @_silgen_name("swift_task_addCancellationHandler")
[0;36m|[0;0m `- [1;33mwarning: [1;39msymbol name 'swift_task_addCancellationHandler' is reserved for the Swift runtime and cannot be directly referenced without causing unpredictable behavior; this will become an error[0;0m
[0;36m16 |[0;0m func _taskAddCancellationHandler(handler: () -> Void)
[0;36m17 |[0;0m -> UnsafeRawPointer /*CancellationNotificationStatusRecord*/
/Users/admin/builder/spi-builder-workspace/Sources/PerceptionCore/Perceptions.swift:20:2: [1;33mwarning: [1;39msymbol name 'swift_task_removeCancellationHandler' is reserved for the Swift runtime and cannot be directly referenced without causing unpredictable behavior; this will become an error[0;0m
[0;36m18 |[0;0m
[0;36m19 |[0;0m @usableFromInline
[0;36m20 |[0;0m @_silgen_name("swift_task_removeCancellationHandler")
[0;36m|[0;0m `- [1;33mwarning: [1;39msymbol name 'swift_task_removeCancellationHandler' is reserved for the Swift runtime and cannot be directly referenced without causing unpredictable behavior; this will become an error[0;0m
[0;36m21 |[0;0m func _taskRemoveCancellationHandler(
[0;36m22 |[0;0m record: UnsafeRawPointer /*CancellationNotificationStatusRecord*/
/Users/admin/builder/spi-builder-workspace/Sources/PerceptionMacros/PerceptibleMacro.swift:251:12: [1;33mwarning: [1;39m'init(leadingTrivia:_:attributes:_:modifier:_:accessorSpecifier:_:parameters:_:effectSpecifiers:_:body:_:trailingTrivia:)' is deprecated: use `modifiers:` instead of `modifier:`[0;0m [#]8;;https://docs.swift.org/compiler/documentation/diagnostics/deprecated-declaration\DeprecatedDeclaration]8;;\]
[0;36m249 |[0;0m -> AccessorDeclSyntax
[0;36m250 |[0;0m {
[0;36m251 |[0;0m return AccessorDeclSyntax(
[0;36m|[0;0m `- [1;33mwarning: [1;39m'init(leadingTrivia:_:attributes:_:modifier:_:accessorSpecifier:_:parameters:_:effectSpecifiers:_:body:_:trailingTrivia:)' is deprecated: use `modifiers:` instead of `modifier:`[0;0m [#]8;;https://docs.swift.org/compiler/documentation/diagnostics/deprecated-declaration\DeprecatedDeclaration]8;;\]
[0;36m252 |[0;0m leadingTrivia: leadingTrivia,
[0;36m253 |[0;0m attributes: attributes,
/Users/admin/builder/spi-builder-workspace/Sources/PerceptionMacros/PerceptibleMacro.swift:254:17: [1;33mwarning: [1;39m'modifier' is deprecated: use `modifiers` to see all modifiers on an accessor declaration; `modifier` only returns the first one[0;0m [#]8;;https://docs.swift.org/compiler/documentation/diagnostics/deprecated-declaration\DeprecatedDeclaration]8;;\]
[0;36m252 |[0;0m leadingTrivia: leadingTrivia,
[0;36m253 |[0;0m attributes: attributes,
[0;36m254 |[0;0m modifier: modifier,
[0;36m|[0;0m `- [1;33mwarning: [1;39m'modifier' is deprecated: use `modifiers` to see all modifiers on an accessor declaration; `modifier` only returns the first one[0;0m [#]8;;https://docs.swift.org/compiler/documentation/diagnostics/deprecated-declaration\DeprecatedDeclaration]8;;\]
[0;36m255 |[0;0m accessorSpecifier: accessorSpecifier,
[0;36m256 |[0;0m parameters: parameters,
[#DeprecatedDeclaration]: <https://docs.swift.org/compiler/documentation/diagnostics/deprecated-declaration>
Build complete.
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Done.