sLaunchctl – Build Information – Swift Package Index

Build Information

Failed to build sLaunchctl, reference main (140f93), with Swift 6.4 for macOS (SPM) on 20 Sep 2026 06:34:11 UTC.

Build Command

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

Build Log

========================================
RunAll
========================================
Builder version: 5.1.0
Interrupt handler set up.
========================================
Checkout
========================================
Clone URL: https://github.com/Alkenso/sLaunchctl.git
Reference: main
Initialized empty Git repository in /Users/admin/builder/spi-builder-workspace/.git/
From https://github.com/Alkenso/sLaunchctl
 * branch            main       -> FETCH_HEAD
 * [new branch]      main       -> origin/main
HEAD is now at 140f937 Update README.md
Cloned https://github.com/Alkenso/sLaunchctl.git
Revision (git rev-parse @):
140f93705bcca12d4a28eae526c9c2a0f518e212
SUCCESS checkout https://github.com/Alkenso/sLaunchctl.git at main
========================================
Build
========================================
Selected platform:         macosSpm
Swift version:             6.4
Building package at path:  $PWD
https://github.com/Alkenso/sLaunchctl.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]
[35 / 62]
[37 / 63] SpellbookFoundation
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[50 / 110] SpellbookFoundationObjC
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[85 / 110] SpellbookFoundation
[86 / 110] SpellbookFoundation
Fetching https://github.com/Alkenso/SwiftSpellbook_macOS.git
Fetching https://github.com/Alkenso/SwiftSpellbook.git
[1/696] Fetching swiftspellbook_macos
[29/5132] Fetching swiftspellbook_macos, swiftspellbook
Fetched https://github.com/Alkenso/SwiftSpellbook.git (1.20s)
Fetched https://github.com/Alkenso/SwiftSpellbook_macOS.git (1.20s)
Computing version for https://github.com/Alkenso/SwiftSpellbook_macOS.git
Computed https://github.com/Alkenso/SwiftSpellbook_macOS.git at 0.0.3 (1.76s)
Computing version for https://github.com/Alkenso/SwiftSpellbook.git
Computed https://github.com/Alkenso/SwiftSpellbook.git at 0.4.2 (0.53s)
Creating working copy for https://github.com/Alkenso/SwiftSpellbook.git
Working copy of https://github.com/Alkenso/SwiftSpellbook.git resolved at 0.4.2
Creating working copy for https://github.com/Alkenso/SwiftSpellbook_macOS.git
Working copy of https://github.com/Alkenso/SwiftSpellbook_macOS.git resolved at 0.0.3
error: SwiftCompile normal arm64 /Users/admin/builder/spi-builder-workspace/.build/checkouts/SwiftSpellbook/Sources/SpellbookFoundation/ValueObserving/EventAsk.swift failed with a nonzero exit code. Command line:     cd /Users/admin/builder
    builtin-SwiftPerFileCompile EventAsk.swift
/Users/admin/builder/spi-builder-workspace/.build/checkouts/SwiftSpellbook/Sources/SpellbookFoundation/ValueObserving/EventAsk.swift:65:28: [1;31merror: [1;39mcannot find 'atomic_flag' in scope[0;0m
 [0;36m63 |[0;0m             group.enter()
 [0;36m64 |[0;0m             entry.queue.async {
 [0;36m65 |[0;0m                 var once = [4;39matomic_flag[0;0m()
    [0;36m|[0;0m                            `- [1;31merror: [1;39mcannot find 'atomic_flag' in scope[0;0m
 [0;36m66 |[0;0m                 entry.transform(value) { singleResult in
 [0;36m67 |[0;0m                     guard !atomic_flag_test_and_set(&once) else {
/Users/admin/builder/spi-builder-workspace/.build/checkouts/SwiftSpellbook/Sources/SpellbookFoundation/ValueObserving/EventAsk.swift:67:28: [1;31merror: [1;39mcannot find 'atomic_flag_test_and_set' in scope[0;0m
 [0;36m65 |[0;0m                 var once = atomic_flag()
 [0;36m66 |[0;0m                 entry.transform(value) { singleResult in
 [0;36m67 |[0;0m                     guard ![4;39matomic_flag_test_and_set[0;0m(&once) else {
    [0;36m|[0;0m                            `- [1;31merror: [1;39mcannot find 'atomic_flag_test_and_set' in scope[0;0m
 [0;36m68 |[0;0m                         if !RunEnvironment.isXCTesting {
 [0;36m69 |[0;0m                             assertionFailure("\(Self.self) transform action called multiple times")
Failed frontend command:
/Applications/Xcode-27.0.0-Release.Candidate.app/Contents/Developer/Toolchains/XcodeDefault.xctoolchain/usr/bin/swift-frontend -frontend -c /Users/admin/builder/spi-builder-workspace/.build/checkouts/SwiftSpellbook/Sources/SpellbookFoundation/BinaryParsing/BinaryParsingError.swift /Users/admin/builder/spi-builder-workspace/.build/checkouts/SwiftSpellbook/Sources/SpellbookFoundation/BinaryParsing/BinaryReader.swift /Users/admin/builder/spi-builder-workspace/.build/checkouts/SwiftSpellbook/Sources/SpellbookFoundation/BinaryParsing/BinaryReaderInput.swift /Users/admin/builder/spi-builder-workspace/.build/checkouts/SwiftSpellbook/Sources/SpellbookFoundation/BinaryParsing/BinaryWriter.swift /Users/admin/builder/spi-builder-workspace/.build/checkouts/SwiftSpellbook/Sources/SpellbookFoundation/BinaryParsing/BinaryWriterOutput.swift /Users/admin/builder/spi-builder-workspace/.build/checkouts/SwiftSpellbook/Sources/SpellbookFoundation/Combine/Extensions\ -\ Publisher.swift /Users/admin/builder/spi-builder-workspace/.build/checkouts/SwiftSpellbook/Sources/SpellbookFoundation/Combine/Proxies.swift /Users/admin/builder/spi-builder-workspace/.build/checkouts/SwiftSpellbook/Sources/SpellbookFoundation/Common/Benchmark.swift /Users/admin/builder/spi-builder-workspace/.build/checkouts/SwiftSpellbook/Sources/SpellbookFoundation/Common/CancellationToken.swift /Users/admin/builder/spi-builder-workspace/.build/checkouts/SwiftSpellbook/Sources/SpellbookFoundation/Common/Environment.swift /Users/admin/builder/spi-builder-workspace/.build/checkouts/SwiftSpellbook/Sources/SpellbookFoundation/Common/Extensions\ -\ Codable.swift /Users/admin/builder/spi-builder-workspace/.build/checkouts/SwiftSpellbook/Sources/SpellbookFoundation/Common/Extensions\ -\ Collections.swift /Users/admin/builder/spi-builder-workspace/.build/checkouts/SwiftSpellbook/Sources/SpellbookFoundation/Common/Extensions\ -\ Comparable.swift /Users/admin/builder/spi-builder-workspace/.build/checkouts/SwiftSpellbook/Sources/SpellbookFoundation/Common/Extensions\ -\ Formatters.swift /Users/admin/builder/spi-builder-workspace/.build/checkouts/SwiftSpellbook/Sources/SpellbookFoundation/Common/Extensions\ -\ NSError.swift /Users/admin/builder/spi-builder-workspace/.build/checkouts/SwiftSpellbook/Sources/SpellbookFoundation/Common/Extensions\ -\ Other.swift /Users/admin/builder/spi-builder-workspace/.build/checkouts/SwiftSpellbook/Sources/SpellbookFoundation/Common/Extensions\ -\ StandardTypes.swift /Users/admin/builder/spi-builder-workspace/.build/checkouts/SwiftSpellbook/Sources/SpellbookFoundation/Common/ObjectBuilder.swift /Users/admin/builder/spi-builder-workspace/.build/checkouts/SwiftSpellbook/Sources/SpellbookFoundation/Common/SBUnit.swift /Users/admin/builder/spi-builder-workspace/.build/checkouts/SwiftSpellbook/Sources/SpellbookFoundation/Common/SpellbookLog.swift /Users/admin/builder/spi-builder-workspace/.build/checkouts/SwiftSpellbook/Sources/SpellbookFoundation/Common/Utils.swift /Users/admin/builder/spi-builder-workspace/.build/checkouts/SwiftSpellbook/Sources/SpellbookFoundation/Common/WildcardExpression.swift /Users/admin/builder/spi-builder-workspace/.build/checkouts/SwiftSpellbook/Sources/SpellbookFoundation/DictionaryParsing/DictionaryCodingKey.swift /Users/admin/builder/spi-builder-workspace/.build/checkouts/SwiftSpellbook/Sources/SpellbookFoundation/DictionaryParsing/DictionaryReader.swift /Users/admin/builder/spi-builder-workspace/.build/checkouts/SwiftSpellbook/Sources/SpellbookFoundation/DictionaryParsing/DictionaryWriter.swift /Users/admin/builder/spi-builder-workspace/.build/checkouts/SwiftSpellbook/Sources/SpellbookFoundation/Filesystem\ \&\ Bundle/Extensions\ -\ Bundle.swift /Users/admin/builder/spi-builder-workspace/.build/checkouts/SwiftSpellbook/Sources/SpellbookFoundation/Filesystem\ \&\ Bundle/Extensions\ -\ FileManager.swift /Users/admin/builder/spi-builder-workspace/.build/checkouts/SwiftSpellbook/Sources/SpellbookFoundation/Filesystem\ \&\ Bundle/FileEnumerator.swift /Users/admin/builder/spi-builder-workspace/.build/checkouts/SwiftSpellbook/Sources/SpellbookFoundation/Filesystem\ \&\ Bundle/FileStore.swift /Users/admin/builder/spi-builder-workspace/.build/checkouts/SwiftSpellbook/Sources/SpellbookFoundation/Filesystem\ \&\ Bundle/TemporaryDirectory.swift /Users/admin/builder/spi-builder-workspace/.build/checkouts/SwiftSpellbook/Sources/SpellbookFoundation/GUI/Extensions\ -\ CoreGraphics.swift /Users/admin/builder/spi-builder-workspace/.build/checkouts/SwiftSpellbook/Sources/SpellbookFoundation/Low\ Level/AuditToken.swift /Users/admin/builder/spi-builder-workspace/.build/checkouts/SwiftSpellbook/Sources/SpellbookFoundation/Low\ Level/BridgedCEnum.swift /Users/admin/builder/spi-builder-workspace/.build/checkouts/SwiftSpellbook/Sources/SpellbookFoundation/Low\ Level/IOKitError.swift /Users/admin/builder/spi-builder-workspace/.build/checkouts/SwiftSpellbook/Sources/SpellbookFoundation/Low\ Level/Mach.swift /Users/admin/builder/spi-builder-workspace/.build/checkouts/SwiftSpellbook/Sources/SpellbookFoundation/Low\ Level/POD+Swift.swift /Users/admin/builder/spi-builder-workspace/.build/checkouts/SwiftSpellbook/Sources/SpellbookFoundation/Low\ Level/Unsafe.swift /Users/admin/builder/spi-builder-workspace/.build/checkouts/SwiftSpellbook/Sources/SpellbookFoundation/ObjC\ Bridging/Exceptions.swift /Users/admin/builder/spi-builder-workspace/.build/checkouts/SwiftSpellbook/Sources/SpellbookFoundation/System\ \&\ Hardware/DeviceInfo.swift /Users/admin/builder/spi-builder-workspace/.build/checkouts/SwiftSpellbook/Sources/SpellbookFoundation/Threading\ \&\ Concurrency/Atomic.swift /Users/admin/builder/spi-builder-workspace/.build/checkouts/SwiftSpellbook/Sources/SpellbookFoundation/Threading\ \&\ Concurrency/BlockingQueue.swift /Users/admin/builder/spi-builder-workspace/.build/checkouts/SwiftSpellbook/Sources/SpellbookFoundation/Threading\ \&\ Concurrency/ConcurrentBlockOperation.swift /Users/admin/builder/spi-builder-workspace/.build/checkouts/SwiftSpellbook/Sources/SpellbookFoundation/Threading\ \&\ Concurrency/Extensions\ -\ DispatchQueue.swift /Users/admin/builder/spi-builder-workspace/.build/checkouts/SwiftSpellbook/Sources/SpellbookFoundation/Threading\ \&\ Concurrency/Extensions\ -\ Locks.swift /Users/admin/builder/spi-builder-workspace/.build/checkouts/SwiftSpellbook/Sources/SpellbookFoundation/Threading\ \&\ Concurrency/Extensions\ -\ Task.swift /Users/admin/builder/spi-builder-workspace/.build/checkouts/SwiftSpellbook/Sources/SpellbookFoundation/Threading\ \&\ Concurrency/PosixLocks.swift /Users/admin/builder/spi-builder-workspace/.build/checkouts/SwiftSpellbook/Sources/SpellbookFoundation/Threading\ \&\ Concurrency/SynchronizationUtils.swift /Users/admin/builder/spi-builder-workspace/.build/checkouts/SwiftSpellbook/Sources/SpellbookFoundation/Threading\ \&\ Concurrency/Synchronized.swift /Users/admin/builder/spi-builder-workspace/.build/checkouts/SwiftSpellbook/Sources/SpellbookFoundation/Threading\ \&\ Concurrency/SynchronousExecutor.swift /Users/admin/builder/spi-builder-workspace/.build/checkouts/SwiftSpellbook/Sources/SpellbookFoundation/Types\ \&\ PropertyWrappers/Boxing.swift /Users/admin/builder/spi-builder-workspace/.build/checkouts/SwiftSpellbook/Sources/SpellbookFoundation/Types\ \&\ PropertyWrappers/Closure.swift /Users/admin/builder/spi-builder-workspace/.build/checkouts/SwiftSpellbook/Sources/SpellbookFoundation/Types\ \&\ PropertyWrappers/CommonError.swift /Users/admin/builder/spi-builder-workspace/.build/checkouts/SwiftSpellbook/Sources/SpellbookFoundation/Types\ \&\ PropertyWrappers/Refreshable.swift /Users/admin/builder/spi-builder-workspace/.build/checkouts/SwiftSpellbook/Sources/SpellbookFoundation/Types\ \&\ PropertyWrappers/Resource\ \(RAII\).swift -primary-file /Users/admin/builder/spi-builder-workspace/.build/checkouts/SwiftSpellbook/Sources/SpellbookFoundation/Types\ \&\ PropertyWrappers/Types.swift -primary-file /Users/admin/builder/spi-builder-workspace/.build/checkouts/SwiftSpellbook/Sources/SpellbookFoundation/ValueObserving/EventAsk.swift -primary-file /Users/admin/builder/spi-builder-workspace/.build/checkouts/SwiftSpellbook/Sources/SpellbookFoundation/ValueObserving/EventNotify.swift -primary-file /Users/admin/builder/spi-builder-workspace/.build/checkouts/SwiftSpellbook/Sources/SpellbookFoundation/ValueObserving/Observable.swift -primary-file /Users/admin/builder/spi-builder-workspace/.build/checkouts/SwiftSpellbook/Sources/SpellbookFoundation/ValueObserving/ValueObserving.swift -primary-file /Users/admin/builder/spi-builder-workspace/.build/checkouts/SwiftSpellbook/Sources/SpellbookFoundation/ValueObserving/ValueStore.swift -supplementary-output-file-map /Users/admin/builder/spi-builder-workspace/.build/out/Intermediates.noindex/SwiftSpellbook.build/Debug/SpellbookFoundation-t.build/Objects-normal/arm64/supplementaryOutputs-10 -target arm64-apple-macos12.0 -disable-cross-import-overlay-search -swift-module-cross-import Darwin /Applications/Xcode-27.0.0-Release.Candidate.app/Contents/Developer/Platforms/MacOSX.platform/Developer/SDKs/MacOSX.sdk/usr/include/Darwin.swiftcrossimport/xlocale.swiftoverlay -load-resolved-plugin /Applications/Xcode-27.0.0-Release.Candidate.app/Contents/Developer/Platforms/MacOSX.platform/Developer/usr/lib/swift/host/plugins/libFoundationMacros.dylib\#/Applications/Xcode-27.0.0-Release.Candidate.app/Contents/Developer/Platforms/MacOSX.platform/Developer/usr/bin/swift-plugin-server\#FoundationMacros -load-resolved-plugin /Applications/Xcode-27.0.0-Release.Candidate.app/Contents/Developer/Platforms/MacOSX.platform/Developer/usr/lib/swift/host/plugins/libObservationMacros.dylib\#/Applications/Xcode-27.0.0-Release.Candidate.app/Contents/Developer/Platforms/MacOSX.platform/Developer/usr/bin/swift-plugin-server\#ObservationMacros -load-resolved-plugin /Applications/Xcode-27.0.0-Release.Candidate.app/Contents/Developer/Platforms/MacOSX.platform/Developer/usr/lib/swift/host/plugins/libSwiftMacros.dylib\#/Applications/Xcode-27.0.0-Release.Candidate.app/Contents/Developer/Platforms/MacOSX.platform/Developer/usr/bin/swift-plugin-server\#SwiftMacros -disable-implicit-swift-modules -Xcc -fno-implicit-modules -Xcc -fno-implicit-module-maps -explicit-swift-module-map-file /Users/admin/builder/spi-builder-workspace/.build/out/Intermediates.noindex/SwiftSpellbook.build/Debug/SpellbookFoundation-t.build/Objects-normal/arm64/SpellbookFoundation-dependencies-1.json -Xllvm -aarch64-use-tbi -enable-objc-interop -stack-check -sdk /Applications/Xcode-27.0.0-Release.Candidate.app/Contents/Developer/Platforms/MacOSX.platform/Developer/SDKs/MacOSX27.0.sdk -I /Users/admin/builder/spi-builder-workspace/.build/out/Products/Debug -Isystem /Applications/Xcode-27.0.0-Release.Candidate.app/Contents/Developer/Platforms/MacOSX.platform/Developer/usr/lib -F /Users/admin/builder/spi-builder-workspace/.build/out/Products/Debug/PackageFrameworks -F /Users/admin/builder/spi-builder-workspace/.build/out/Products/Debug -F /Applications/Xcode-27.0.0-Release.Candidate.app/Contents/Developer/Platforms/MacOSX.platform/Developer/Library/Frameworks -module-cache-path /Users/admin/builder/spi-builder-workspace/.build/out/Intermediates.noindex/SwiftExplicitPrecompiledModules -color-diagnostics -Xcc -fcolor-diagnostics -enable-testing -g -debug-info-format\=dwarf -dwarf-version\=4 -suppress-warnings -swift-version 5 -Onone -D SWIFT_PACKAGE -D DEBUG -D SWIFT_MODULE_RESOURCE_BUNDLE_UNAVAILABLE -D Xcode -serialize-debugging-options -enable-experimental-feature DebugDescriptionMacro -empty-abi-descriptor -validate-clang-modules-once -clang-build-session-file /Users/admin/builder/spi-builder-workspace/.build/out/ModuleCache.noindex/Session.modulevalidation -Xcc -working-directory -Xcc /Users/admin/builder -enable-anonymous-context-mangled-names -file-compilation-dir /Users/admin/builder -Xcc -fmodule-map-file\=/Users/admin/builder/spi-builder-workspace/.build/out/Intermediates.noindex/GeneratedModuleMaps/SpellbookFoundationObjC.modulemap -Xcc -D_LIBCPP_HARDENING_MODE\=_LIBCPP_HARDENING_MODE_DEBUG -Xcc -ivfsstatcache -Xcc /Users/admin/builder/spi-builder-workspace/.build/out/SDKStatCaches.noindex/macosx27.0-26A425-80c5bbf1d171475443272936d42f90a36a22442a12e9d48fe1a705f55a1adfc4.sdkstatcache -Xcc -fmodules-prune-interval\=86400 -Xcc -fmodules-prune-after\=345600 -Xcc -I/Users/admin/builder/spi-builder-workspace/.build/checkouts/SwiftSpellbook/Sources/SpellbookFoundationObjC -Xcc -I/Users/admin/builder/spi-builder-workspace/.build/out/Products/Debug/include -Xcc -I/Users/admin/builder/spi-builder-workspace/.build/out/Intermediates.noindex/SwiftSpellbook.build/Debug/SpellbookFoundation-t.build/DerivedSources-normal/arm64 -Xcc -I/Users/admin/builder/spi-builder-workspace/.build/out/Intermediates.noindex/SwiftSpellbook.build/Debug/SpellbookFoundation-t.build/DerivedSources/arm64 -Xcc -I/Users/admin/builder/spi-builder-workspace/.build/out/Intermediates.noindex/SwiftSpellbook.build/Debug/SpellbookFoundation-t.build/DerivedSources -Xcc -DSWIFT_PACKAGE -Xcc -DDEBUG\=1 -no-auto-bridging-header-chaining -module-name SpellbookFoundation -const-gather-protocols-file /Users/admin/builder/spi-builder-workspace/.build/out/Intermediates.noindex/SwiftSpellbook.build/Debug/SpellbookFoundation-t.build/Objects-normal/arm64/SpellbookFoundation_const_extract_protocols.json -disable-clang-spi -clang-target arm64-apple-macos27.0 -target-sdk-version 27.0 -target-sdk-name macosx27.0 -in-process-plugin-server-path /Applications/Xcode-27.0.0-Release.Candidate.app/Contents/Developer/Toolchains/XcodeDefault.xctoolchain/usr/lib/swift/host/libSwiftInProcPluginServer.dylib -parse-as-library -o /Users/admin/builder/spi-builder-workspace/.build/out/Intermediates.noindex/SwiftSpellbook.build/Debug/SpellbookFoundation-t.build/Objects-normal/arm64/Types.o -o /Users/admin/builder/spi-builder-workspace/.build/out/Intermediates.noindex/SwiftSpellbook.build/Debug/SpellbookFoundation-t.build/Objects-normal/arm64/EventAsk.o -o /Users/admin/builder/spi-builder-workspace/.build/out/Intermediates.noindex/SwiftSpellbook.build/Debug/SpellbookFoundation-t.build/Objects-normal/arm64/EventNotify.o -o /Users/admin/builder/spi-builder-workspace/.build/out/Intermediates.noindex/SwiftSpellbook.build/Debug/SpellbookFoundation-t.build/Objects-normal/arm64/Observable.o -o /Users/admin/builder/spi-builder-workspace/.build/out/Intermediates.noindex/SwiftSpellbook.build/Debug/SpellbookFoundation-t.build/Objects-normal/arm64/ValueObserving.o -o /Users/admin/builder/spi-builder-workspace/.build/out/Intermediates.noindex/SwiftSpellbook.build/Debug/SpellbookFoundation-t.build/Objects-normal/arm64/ValueStore.o -debug-module-path /Users/admin/builder/spi-builder-workspace/.build/out/Intermediates.noindex/SwiftSpellbook.build/Debug/SpellbookFoundation-t.build/Objects-normal/arm64/SpellbookFoundation.swiftmodule -index-unit-output-path /SwiftSpellbook.build/Debug/SpellbookFoundation-t.build/Objects-normal/arm64/Types.o -index-unit-output-path /SwiftSpellbook.build/Debug/SpellbookFoundation-t.build/Objects-normal/arm64/EventAsk.o -index-unit-output-path /SwiftSpellbook.build/Debug/SpellbookFoundation-t.build/Objects-normal/arm64/EventNotify.o -index-unit-output-path /SwiftSpellbook.build/Debug/SpellbookFoundation-t.build/Objects-normal/arm64/Observable.o -index-unit-output-path /SwiftSpellbook.build/Debug/SpellbookFoundation-t.build/Objects-normal/arm64/ValueObserving.o -index-unit-output-path /SwiftSpellbook.build/Debug/SpellbookFoundation-t.build/Objects-normal/arm64/ValueStore.o -index-store-path /Users/admin/builder/spi-builder-workspace/.build/out -index-system-modules
error: SwiftCompile normal arm64 /Users/admin/builder/spi-builder-workspace/.build/checkouts/SwiftSpellbook/Sources/SpellbookFoundation/Threading\ &\ Concurrency/SynchronousExecutor.swift failed with a nonzero exit code. Command line:     cd /Users/admin/builder
    builtin-SwiftPerFileCompile SynchronousExecutor.swift
error: SwiftCompile normal arm64 /Users/admin/builder/spi-builder-workspace/.build/checkouts/SwiftSpellbook/Sources/SpellbookFoundation/Types\ &\ PropertyWrappers/Closure.swift failed with a nonzero exit code. Command line:     cd /Users/admin/builder
    builtin-SwiftPerFileCompile Closure.swift
/Users/admin/builder/spi-builder-workspace/.build/checkouts/SwiftSpellbook/Sources/SpellbookFoundation/Threading & Concurrency/SynchronousExecutor.swift:49:20: [1;31merror: [1;39mcannot find 'atomic_flag' in scope[0;0m
 [0;36m47 |[0;0m         group.enter()
 [0;36m48 |[0;0m
 [0;36m49 |[0;0m         var once = [4;39matomic_flag[0;0m()
    [0;36m|[0;0m                    `- [1;31merror: [1;39mcannot find 'atomic_flag' in scope[0;0m
 [0;36m50 |[0;0m         try action {
 [0;36m51 |[0;0m             guard !atomic_flag_test_and_set(&once) else {
/Users/admin/builder/spi-builder-workspace/.build/checkouts/SwiftSpellbook/Sources/SpellbookFoundation/Threading & Concurrency/SynchronousExecutor.swift:51:20: [1;31merror: [1;39mcannot find 'atomic_flag_test_and_set' in scope[0;0m
 [0;36m49 |[0;0m         var once = atomic_flag()
 [0;36m50 |[0;0m         try action {
 [0;36m51 |[0;0m             guard ![4;39matomic_flag_test_and_set[0;0m(&once) else {
    [0;36m|[0;0m                    `- [1;31merror: [1;39mcannot find 'atomic_flag_test_and_set' in scope[0;0m
 [0;36m52 |[0;0m                 if !RunEnvironment.isXCTesting {
 [0;36m53 |[0;0m                     assertionFailure("\(Self.self) async action called multiple times")
/Users/admin/builder/spi-builder-workspace/.build/checkouts/SwiftSpellbook/Sources/SpellbookFoundation/Types & PropertyWrappers/Closure.swift:46:20: [1;31merror: [1;39mcannot find 'atomic_flag' in scope[0;0m
 [0;36m44 |[0;0m extension Closure {
 [0;36m45 |[0;0m     public func oneShot() -> Self where R == Void {
 [0;36m46 |[0;0m         var once = [4;39matomic_flag[0;0m()
    [0;36m|[0;0m                    `- [1;31merror: [1;39mcannot find 'atomic_flag' in scope[0;0m
 [0;36m47 |[0;0m         return Self { result in
 [0;36m48 |[0;0m             if !atomic_flag_test_and_set(&once) {
/Users/admin/builder/spi-builder-workspace/.build/checkouts/SwiftSpellbook/Sources/SpellbookFoundation/Types & PropertyWrappers/Closure.swift:48:17: [1;31merror: [1;39mcannot find 'atomic_flag_test_and_set' in scope[0;0m
 [0;36m46 |[0;0m         var once = atomic_flag()
 [0;36m47 |[0;0m         return Self { result in
 [0;36m48 |[0;0m             if ![4;39matomic_flag_test_and_set[0;0m(&once) {
    [0;36m|[0;0m                 `- [1;31merror: [1;39mcannot find 'atomic_flag_test_and_set' in scope[0;0m
 [0;36m49 |[0;0m                 self(result)
 [0;36m50 |[0;0m             }
/Users/admin/builder/spi-builder-workspace/.build/checkouts/SwiftSpellbook/Sources/SpellbookFoundation/Types & PropertyWrappers/Closure.swift:109:20: [1;31merror: [1;39mcannot find 'atomic_flag' in scope[0;0m
[0;36m107 |[0;0m extension ClosureT {
[0;36m108 |[0;0m     public func oneShot() -> Self where R == Void {
[0;36m109 |[0;0m         var once = [4;39matomic_flag[0;0m()
    [0;36m|[0;0m                    `- [1;31merror: [1;39mcannot find 'atomic_flag' in scope[0;0m
[0;36m110 |[0;0m         return Self { value in
[0;36m111 |[0;0m             var result: Result<R, Error>?
/Users/admin/builder/spi-builder-workspace/.build/checkouts/SwiftSpellbook/Sources/SpellbookFoundation/Types & PropertyWrappers/Closure.swift:112:17: [1;31merror: [1;39mcannot find 'atomic_flag_test_and_set' in scope[0;0m
[0;36m110 |[0;0m         return Self { value in
[0;36m111 |[0;0m             var result: Result<R, Error>?
[0;36m112 |[0;0m             if ![4;39matomic_flag_test_and_set[0;0m(&once) {
    [0;36m|[0;0m                 `- [1;31merror: [1;39mcannot find 'atomic_flag_test_and_set' in scope[0;0m
[0;36m113 |[0;0m                 result = Result { try self(value) }
[0;36m114 |[0;0m             }
Failed frontend command:
/Applications/Xcode-27.0.0-Release.Candidate.app/Contents/Developer/Toolchains/XcodeDefault.xctoolchain/usr/bin/swift-frontend -frontend -c /Users/admin/builder/spi-builder-workspace/.build/checkouts/SwiftSpellbook/Sources/SpellbookFoundation/BinaryParsing/BinaryParsingError.swift /Users/admin/builder/spi-builder-workspace/.build/checkouts/SwiftSpellbook/Sources/SpellbookFoundation/BinaryParsing/BinaryReader.swift /Users/admin/builder/spi-builder-workspace/.build/checkouts/SwiftSpellbook/Sources/SpellbookFoundation/BinaryParsing/BinaryReaderInput.swift /Users/admin/builder/spi-builder-workspace/.build/checkouts/SwiftSpellbook/Sources/SpellbookFoundation/BinaryParsing/BinaryWriter.swift /Users/admin/builder/spi-builder-workspace/.build/checkouts/SwiftSpellbook/Sources/SpellbookFoundation/BinaryParsing/BinaryWriterOutput.swift /Users/admin/builder/spi-builder-workspace/.build/checkouts/SwiftSpellbook/Sources/SpellbookFoundation/Combine/Extensions\ -\ Publisher.swift /Users/admin/builder/spi-builder-workspace/.build/checkouts/SwiftSpellbook/Sources/SpellbookFoundation/Combine/Proxies.swift /Users/admin/builder/spi-builder-workspace/.build/checkouts/SwiftSpellbook/Sources/SpellbookFoundation/Common/Benchmark.swift /Users/admin/builder/spi-builder-workspace/.build/checkouts/SwiftSpellbook/Sources/SpellbookFoundation/Common/CancellationToken.swift /Users/admin/builder/spi-builder-workspace/.build/checkouts/SwiftSpellbook/Sources/SpellbookFoundation/Common/Environment.swift /Users/admin/builder/spi-builder-workspace/.build/checkouts/SwiftSpellbook/Sources/SpellbookFoundation/Common/Extensions\ -\ Codable.swift /Users/admin/builder/spi-builder-workspace/.build/checkouts/SwiftSpellbook/Sources/SpellbookFoundation/Common/Extensions\ -\ Collections.swift /Users/admin/builder/spi-builder-workspace/.build/checkouts/SwiftSpellbook/Sources/SpellbookFoundation/Common/Extensions\ -\ Comparable.swift /Users/admin/builder/spi-builder-workspace/.build/checkouts/SwiftSpellbook/Sources/SpellbookFoundation/Common/Extensions\ -\ Formatters.swift /Users/admin/builder/spi-builder-workspace/.build/checkouts/SwiftSpellbook/Sources/SpellbookFoundation/Common/Extensions\ -\ NSError.swift /Users/admin/builder/spi-builder-workspace/.build/checkouts/SwiftSpellbook/Sources/SpellbookFoundation/Common/Extensions\ -\ Other.swift /Users/admin/builder/spi-builder-workspace/.build/checkouts/SwiftSpellbook/Sources/SpellbookFoundation/Common/Extensions\ -\ StandardTypes.swift /Users/admin/builder/spi-builder-workspace/.build/checkouts/SwiftSpellbook/Sources/SpellbookFoundation/Common/ObjectBuilder.swift /Users/admin/builder/spi-builder-workspace/.build/checkouts/SwiftSpellbook/Sources/SpellbookFoundation/Common/SBUnit.swift /Users/admin/builder/spi-builder-workspace/.build/checkouts/SwiftSpellbook/Sources/SpellbookFoundation/Common/SpellbookLog.swift /Users/admin/builder/spi-builder-workspace/.build/checkouts/SwiftSpellbook/Sources/SpellbookFoundation/Common/Utils.swift /Users/admin/builder/spi-builder-workspace/.build/checkouts/SwiftSpellbook/Sources/SpellbookFoundation/Common/WildcardExpression.swift /Users/admin/builder/spi-builder-workspace/.build/checkouts/SwiftSpellbook/Sources/SpellbookFoundation/DictionaryParsing/DictionaryCodingKey.swift /Users/admin/builder/spi-builder-workspace/.build/checkouts/SwiftSpellbook/Sources/SpellbookFoundation/DictionaryParsing/DictionaryReader.swift /Users/admin/builder/spi-builder-workspace/.build/checkouts/SwiftSpellbook/Sources/SpellbookFoundation/DictionaryParsing/DictionaryWriter.swift /Users/admin/builder/spi-builder-workspace/.build/checkouts/SwiftSpellbook/Sources/SpellbookFoundation/Filesystem\ \&\ Bundle/Extensions\ -\ Bundle.swift /Users/admin/builder/spi-builder-workspace/.build/checkouts/SwiftSpellbook/Sources/SpellbookFoundation/Filesystem\ \&\ Bundle/Extensions\ -\ FileManager.swift /Users/admin/builder/spi-builder-workspace/.build/checkouts/SwiftSpellbook/Sources/SpellbookFoundation/Filesystem\ \&\ Bundle/FileEnumerator.swift /Users/admin/builder/spi-builder-workspace/.build/checkouts/SwiftSpellbook/Sources/SpellbookFoundation/Filesystem\ \&\ Bundle/FileStore.swift /Users/admin/builder/spi-builder-workspace/.build/checkouts/SwiftSpellbook/Sources/SpellbookFoundation/Filesystem\ \&\ Bundle/TemporaryDirectory.swift /Users/admin/builder/spi-builder-workspace/.build/checkouts/SwiftSpellbook/Sources/SpellbookFoundation/GUI/Extensions\ -\ CoreGraphics.swift /Users/admin/builder/spi-builder-workspace/.build/checkouts/SwiftSpellbook/Sources/SpellbookFoundation/Low\ Level/AuditToken.swift /Users/admin/builder/spi-builder-workspace/.build/checkouts/SwiftSpellbook/Sources/SpellbookFoundation/Low\ Level/BridgedCEnum.swift /Users/admin/builder/spi-builder-workspace/.build/checkouts/SwiftSpellbook/Sources/SpellbookFoundation/Low\ Level/IOKitError.swift /Users/admin/builder/spi-builder-workspace/.build/checkouts/SwiftSpellbook/Sources/SpellbookFoundation/Low\ Level/Mach.swift /Users/admin/builder/spi-builder-workspace/.build/checkouts/SwiftSpellbook/Sources/SpellbookFoundation/Low\ Level/POD+Swift.swift /Users/admin/builder/spi-builder-workspace/.build/checkouts/SwiftSpellbook/Sources/SpellbookFoundation/Low\ Level/Unsafe.swift /Users/admin/builder/spi-builder-workspace/.build/checkouts/SwiftSpellbook/Sources/SpellbookFoundation/ObjC\ Bridging/Exceptions.swift /Users/admin/builder/spi-builder-workspace/.build/checkouts/SwiftSpellbook/Sources/SpellbookFoundation/System\ \&\ Hardware/DeviceInfo.swift /Users/admin/builder/spi-builder-workspace/.build/checkouts/SwiftSpellbook/Sources/SpellbookFoundation/Threading\ \&\ Concurrency/Atomic.swift /Users/admin/builder/spi-builder-workspace/.build/checkouts/SwiftSpellbook/Sources/SpellbookFoundation/Threading\ \&\ Concurrency/BlockingQueue.swift /Users/admin/builder/spi-builder-workspace/.build/checkouts/SwiftSpellbook/Sources/SpellbookFoundation/Threading\ \&\ Concurrency/ConcurrentBlockOperation.swift /Users/admin/builder/spi-builder-workspace/.build/checkouts/SwiftSpellbook/Sources/SpellbookFoundation/Threading\ \&\ Concurrency/Extensions\ -\ DispatchQueue.swift /Users/admin/builder/spi-builder-workspace/.build/checkouts/SwiftSpellbook/Sources/SpellbookFoundation/Threading\ \&\ Concurrency/Extensions\ -\ Locks.swift /Users/admin/builder/spi-builder-workspace/.build/checkouts/SwiftSpellbook/Sources/SpellbookFoundation/Threading\ \&\ Concurrency/Extensions\ -\ Task.swift /Users/admin/builder/spi-builder-workspace/.build/checkouts/SwiftSpellbook/Sources/SpellbookFoundation/Threading\ \&\ Concurrency/PosixLocks.swift /Users/admin/builder/spi-builder-workspace/.build/checkouts/SwiftSpellbook/Sources/SpellbookFoundation/Threading\ \&\ Concurrency/SynchronizationUtils.swift /Users/admin/builder/spi-builder-workspace/.build/checkouts/SwiftSpellbook/Sources/SpellbookFoundation/Threading\ \&\ Concurrency/Synchronized.swift -primary-file /Users/admin/builder/spi-builder-workspace/.build/checkouts/SwiftSpellbook/Sources/SpellbookFoundation/Threading\ \&\ Concurrency/SynchronousExecutor.swift -primary-file /Users/admin/builder/spi-builder-workspace/.build/checkouts/SwiftSpellbook/Sources/SpellbookFoundation/Types\ \&\ PropertyWrappers/Boxing.swift -primary-file /Users/admin/builder/spi-builder-workspace/.build/checkouts/SwiftSpellbook/Sources/SpellbookFoundation/Types\ \&\ PropertyWrappers/Closure.swift -primary-file /Users/admin/builder/spi-builder-workspace/.build/checkouts/SwiftSpellbook/Sources/SpellbookFoundation/Types\ \&\ PropertyWrappers/CommonError.swift -primary-file /Users/admin/builder/spi-builder-workspace/.build/checkouts/SwiftSpellbook/Sources/SpellbookFoundation/Types\ \&\ PropertyWrappers/Refreshable.swift -primary-file /Users/admin/builder/spi-builder-workspace/.build/checkouts/SwiftSpellbook/Sources/SpellbookFoundation/Types\ \&\ PropertyWrappers/Resource\ \(RAII\).swift /Users/admin/builder/spi-builder-workspace/.build/checkouts/SwiftSpellbook/Sources/SpellbookFoundation/Types\ \&\ PropertyWrappers/Types.swift /Users/admin/builder/spi-builder-workspace/.build/checkouts/SwiftSpellbook/Sources/SpellbookFoundation/ValueObserving/EventAsk.swift /Users/admin/builder/spi-builder-workspace/.build/checkouts/SwiftSpellbook/Sources/SpellbookFoundation/ValueObserving/EventNotify.swift /Users/admin/builder/spi-builder-workspace/.build/checkouts/SwiftSpellbook/Sources/SpellbookFoundation/ValueObserving/Observable.swift /Users/admin/builder/spi-builder-workspace/.build/checkouts/SwiftSpellbook/Sources/SpellbookFoundation/ValueObserving/ValueObserving.swift /Users/admin/builder/spi-builder-workspace/.build/checkouts/SwiftSpellbook/Sources/SpellbookFoundation/ValueObserving/ValueStore.swift -supplementary-output-file-map /Users/admin/builder/spi-builder-workspace/.build/out/Intermediates.noindex/SwiftSpellbook.build/Debug/SpellbookFoundation-t.build/Objects-normal/arm64/supplementaryOutputs-9 -target arm64-apple-macos12.0 -disable-cross-import-overlay-search -swift-module-cross-import Darwin /Applications/Xcode-27.0.0-Release.Candidate.app/Contents/Developer/Platforms/MacOSX.platform/Developer/SDKs/MacOSX.sdk/usr/include/Darwin.swiftcrossimport/xlocale.swiftoverlay -load-resolved-plugin /Applications/Xcode-27.0.0-Release.Candidate.app/Contents/Developer/Platforms/MacOSX.platform/Developer/usr/lib/swift/host/plugins/libFoundationMacros.dylib\#/Applications/Xcode-27.0.0-Release.Candidate.app/Contents/Developer/Platforms/MacOSX.platform/Developer/usr/bin/swift-plugin-server\#FoundationMacros -load-resolved-plugin /Applications/Xcode-27.0.0-Release.Candidate.app/Contents/Developer/Platforms/MacOSX.platform/Developer/usr/lib/swift/host/plugins/libObservationMacros.dylib\#/Applications/Xcode-27.0.0-Release.Candidate.app/Contents/Developer/Platforms/MacOSX.platform/Developer/usr/bin/swift-plugin-server\#ObservationMacros -load-resolved-plugin /Applications/Xcode-27.0.0-Release.Candidate.app/Contents/Developer/Platforms/MacOSX.platform/Developer/usr/lib/swift/host/plugins/libSwiftMacros.dylib\#/Applications/Xcode-27.0.0-Release.Candidate.app/Contents/Developer/Platforms/MacOSX.platform/Developer/usr/bin/swift-plugin-server\#SwiftMacros -disable-implicit-swift-modules -Xcc -fno-implicit-modules -Xcc -fno-implicit-module-maps -explicit-swift-module-map-file /Users/admin/builder/spi-builder-workspace/.build/out/Intermediates.noindex/SwiftSpellbook.build/Debug/SpellbookFoundation-t.build/Objects-normal/arm64/SpellbookFoundation-dependencies-1.json -Xllvm -aarch64-use-tbi -enable-objc-interop 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-serialize-debugging-options -enable-experimental-feature DebugDescriptionMacro -empty-abi-descriptor -validate-clang-modules-once -clang-build-session-file /Users/admin/builder/spi-builder-workspace/.build/out/ModuleCache.noindex/Session.modulevalidation -Xcc -working-directory -Xcc /Users/admin/builder -enable-anonymous-context-mangled-names -file-compilation-dir /Users/admin/builder -Xcc -fmodule-map-file\=/Users/admin/builder/spi-builder-workspace/.build/out/Intermediates.noindex/GeneratedModuleMaps/SpellbookFoundationObjC.modulemap -Xcc -D_LIBCPP_HARDENING_MODE\=_LIBCPP_HARDENING_MODE_DEBUG -Xcc -ivfsstatcache -Xcc /Users/admin/builder/spi-builder-workspace/.build/out/SDKStatCaches.noindex/macosx27.0-26A425-80c5bbf1d171475443272936d42f90a36a22442a12e9d48fe1a705f55a1adfc4.sdkstatcache -Xcc -fmodules-prune-interval\=86400 -Xcc -fmodules-prune-after\=345600 -Xcc -I/Users/admin/builder/spi-builder-workspace/.build/checkouts/SwiftSpellbook/Sources/SpellbookFoundationObjC -Xcc -I/Users/admin/builder/spi-builder-workspace/.build/out/Products/Debug/include -Xcc -I/Users/admin/builder/spi-builder-workspace/.build/out/Intermediates.noindex/SwiftSpellbook.build/Debug/SpellbookFoundation-t.build/DerivedSources-normal/arm64 -Xcc -I/Users/admin/builder/spi-builder-workspace/.build/out/Intermediates.noindex/SwiftSpellbook.build/Debug/SpellbookFoundation-t.build/DerivedSources/arm64 -Xcc -I/Users/admin/builder/spi-builder-workspace/.build/out/Intermediates.noindex/SwiftSpellbook.build/Debug/SpellbookFoundation-t.build/DerivedSources -Xcc -DSWIFT_PACKAGE -Xcc -DDEBUG\=1 -no-auto-bridging-header-chaining -module-name SpellbookFoundation -const-gather-protocols-file /Users/admin/builder/spi-builder-workspace/.build/out/Intermediates.noindex/SwiftSpellbook.build/Debug/SpellbookFoundation-t.build/Objects-normal/arm64/SpellbookFoundation_const_extract_protocols.json -disable-clang-spi -clang-target arm64-apple-macos27.0 -target-sdk-version 27.0 -target-sdk-name macosx27.0 -in-process-plugin-server-path /Applications/Xcode-27.0.0-Release.Candidate.app/Contents/Developer/Toolchains/XcodeDefault.xctoolchain/usr/lib/swift/host/libSwiftInProcPluginServer.dylib -parse-as-library -o /Users/admin/builder/spi-builder-workspace/.build/out/Intermediates.noindex/SwiftSpellbook.build/Debug/SpellbookFoundation-t.build/Objects-normal/arm64/SynchronousExecutor.o -o /Users/admin/builder/spi-builder-workspace/.build/out/Intermediates.noindex/SwiftSpellbook.build/Debug/SpellbookFoundation-t.build/Objects-normal/arm64/Boxing.o -o /Users/admin/builder/spi-builder-workspace/.build/out/Intermediates.noindex/SwiftSpellbook.build/Debug/SpellbookFoundation-t.build/Objects-normal/arm64/Closure.o -o /Users/admin/builder/spi-builder-workspace/.build/out/Intermediates.noindex/SwiftSpellbook.build/Debug/SpellbookFoundation-t.build/Objects-normal/arm64/CommonError.o -o /Users/admin/builder/spi-builder-workspace/.build/out/Intermediates.noindex/SwiftSpellbook.build/Debug/SpellbookFoundation-t.build/Objects-normal/arm64/Refreshable.o -o /Users/admin/builder/spi-builder-workspace/.build/out/Intermediates.noindex/SwiftSpellbook.build/Debug/SpellbookFoundation-t.build/Objects-normal/arm64/Resource\ \(RAII\).o -debug-module-path /Users/admin/builder/spi-builder-workspace/.build/out/Intermediates.noindex/SwiftSpellbook.build/Debug/SpellbookFoundation-t.build/Objects-normal/arm64/SpellbookFoundation.swiftmodule -index-unit-output-path /SwiftSpellbook.build/Debug/SpellbookFoundation-t.build/Objects-normal/arm64/SynchronousExecutor.o -index-unit-output-path /SwiftSpellbook.build/Debug/SpellbookFoundation-t.build/Objects-normal/arm64/Boxing.o -index-unit-output-path /SwiftSpellbook.build/Debug/SpellbookFoundation-t.build/Objects-normal/arm64/Closure.o -index-unit-output-path 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error: Build failed
BUILD FAILURE 6.4 macosSpm