Swift Package IndexBuild Information
Failed to build AutoLayoutConvenience, reference main (c13a8e), with Swift 6.3 for macOS (SPM) on 23 Oct 2026 06:18:05 UTC.
Build Command
env DEVELOPER_DIR=/Applications/Xcode-26.5.0.app xcrun swift build --arch arm64Build Log
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RunAll
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Builder version: 5.1.3
Interrupt handler set up.
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Checkout
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Clone URL: https://github.com/AndreasVerhoeven/AutoLayoutConvenience.git
Reference: main
Initialized empty Git repository in /Users/admin/builder/spi-builder-workspace/.git/
From https://github.com/AndreasVerhoeven/AutoLayoutConvenience
* branch main -> FETCH_HEAD
* [new branch] main -> origin/main
HEAD is now at c13a8ec Rename beginAdjustingAlternativeContents to beginAdjustingForAlternativeContents
Cloned https://github.com/AndreasVerhoeven/AutoLayoutConvenience.git
Revision (git rev-parse @):
c13a8ec8fe3b8f0bacd05b36315e714e12b95c53
SUCCESS checkout https://github.com/AndreasVerhoeven/AutoLayoutConvenience.git at main
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Build
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Selected platform: macosSpm
Swift version: 6.3
Building package at path: $PWD
https://github.com/AndreasVerhoeven/AutoLayoutConvenience.git
Running build ...
env DEVELOPER_DIR=/Applications/Xcode-26.5.0.app xcrun swift build --arch arm64
Building for debugging...
[0/2] Write sources
[1/2] Write swift-version-69A768CDF2A0BEE1.txt
error: compile command failed due to signal 6 (use -v to see invocation)
bad_optional_access was thrown in -fno-exceptions modePlease submit a bug report (https://swift.org/contributing/#reporting-bugs) and include the crash backtrace.
Stack dump:
0. Program arguments: /Applications/Xcode-26.5.0.app/Contents/Developer/Toolchains/XcodeDefault.xctoolchain/usr/bin/swift-frontend -frontend -c /Users/admin/builder/spi-builder-workspace/Sources/Base/Cancellable.swift /Users/admin/builder/spi-builder-workspace/Sources/Base/ConditionList.swift /Users/admin/builder/spi-builder-workspace/Sources/Base/ConstraintsList.swift /Users/admin/builder/spi-builder-workspace/Sources/Base/ConstraintsListCollection.swift /Users/admin/builder/spi-builder-workspace/Sources/Base/LayoutBasis.swift /Users/admin/builder/spi-builder-workspace/Sources/Base/LayoutBasisHelper.swift /Users/admin/builder/spi-builder-workspace/Sources/Creation/UIView+CommonInitializers.swift /Users/admin/builder/spi-builder-workspace/Sources/Helpers/NSDirectionalEdgeInsets+Convenience.swift /Users/admin/builder/spi-builder-workspace/Sources/Helpers/NSLayoutConstraint+Convenience.swift /Users/admin/builder/spi-builder-workspace/Sources/Helpers/UILayoutPriority+Convenience.swift /Users/admin/builder/spi-builder-workspace/Sources/Helpers/UIStackView+Convenience.swift /Users/admin/builder/spi-builder-workspace/Sources/Other/AutoSizingCollectionView.swift /Users/admin/builder/spi-builder-workspace/Sources/Other/AutoSizingTableHeaderFooterView.swift /Users/admin/builder/spi-builder-workspace/Sources/Other/AutoSizingTableView.swift /Users/admin/builder/spi-builder-workspace/Sources/Other/AutoSizingTextView.swift /Users/admin/builder/spi-builder-workspace/Sources/Other/CollapsableView.swift /Users/admin/builder/spi-builder-workspace/Sources/Other/ContentWithFooterView.swift /Users/admin/builder/spi-builder-workspace/Sources/Other/FixedFrameLayoutGuide.swift /Users/admin/builder/spi-builder-workspace/Sources/Other/KeyboardFrameLayoutGuide.swift /Users/admin/builder/spi-builder-workspace/Sources/Other/KeyboardSafeAreaLayoutGuide.swift /Users/admin/builder/spi-builder-workspace/Sources/Other/KeyboardTracker.swift /Users/admin/builder/spi-builder-workspace/Sources/Other/MinimumHeightTableViewCell.swift /Users/admin/builder/spi-builder-workspace/Sources/Other/MultiCollapsableView.swift /Users/admin/builder/spi-builder-workspace/Sources/Other/NonAutoLayoutWrappingView.swift /Users/admin/builder/spi-builder-workspace/Sources/Other/StickyBottomFooterTableView.swift /Users/admin/builder/spi-builder-workspace/Sources/Other/StickyFooterCollectionView.swift /Users/admin/builder/spi-builder-workspace/Sources/Other/StickyFooterScrollView.swift /Users/admin/builder/spi-builder-workspace/Sources/Other/StickyFooterTableView.swift /Users/admin/builder/spi-builder-workspace/Sources/Other/StickyFooterView.swift /Users/admin/builder/spi-builder-workspace/Sources/ScrollView/HorizontalOverflowScrollView.swift -primary-file /Users/admin/builder/spi-builder-workspace/Sources/ScrollView/VerticalOverflowScrollView.swift -primary-file /Users/admin/builder/spi-builder-workspace/Sources/UIStackView/AutoAdjustingHorizontalStackView.swift -primary-file /Users/admin/builder/spi-builder-workspace/Sources/UIStackView/AutoAdjustingStackView.swift -primary-file /Users/admin/builder/spi-builder-workspace/Sources/UIStackView/AutoAdjustingVerticalStackView.swift -primary-file /Users/admin/builder/spi-builder-workspace/Sources/UIStackView/AutoHidingStackView.swift -primary-file /Users/admin/builder/spi-builder-workspace/Sources/UIStackView/AxisAndAlignment.swift /Users/admin/builder/spi-builder-workspace/Sources/UIStackView/UIView+StackViewHelpers.swift /Users/admin/builder/spi-builder-workspace/Sources/UIView/UIScrollView+AdditionalContentInsets.swift /Users/admin/builder/spi-builder-workspace/Sources/UIView/UIScrollView+InteractiveKeyboardDismissal.swift /Users/admin/builder/spi-builder-workspace/Sources/UIView/UIView+AligningEdges.swift /Users/admin/builder/spi-builder-workspace/Sources/UIView/UIView+AutoLayout.swift /Users/admin/builder/spi-builder-workspace/Sources/UIView/UIView+AutoLayoutBridging.swift /Users/admin/builder/spi-builder-workspace/Sources/UIView/UIView+Centering.swift /Users/admin/builder/spi-builder-workspace/Sources/UIView/UIView+Condition.swift /Users/admin/builder/spi-builder-workspace/Sources/UIView/UIView+Conditional.swift /Users/admin/builder/spi-builder-workspace/Sources/UIView/UIView+Defaults.swift /Users/admin/builder/spi-builder-workspace/Sources/UIView/UIView+DynamicCondition.swift /Users/admin/builder/spi-builder-workspace/Sources/UIView/UIView+DynamicConstantSize.swift /Users/admin/builder/spi-builder-workspace/Sources/UIView/UIView+Filling.swift /Users/admin/builder/spi-builder-workspace/Sources/UIView/UIView+ManualLayoutBridging.swift /Users/admin/builder/spi-builder-workspace/Sources/UIView/UIView+NamedConstraintLists.swift /Users/admin/builder/spi-builder-workspace/Sources/UIView/UIView+NegativeLayoutGuides.swift /Users/admin/builder/spi-builder-workspace/Sources/UIView/UIView+PinningHorizontalEdge.swift /Users/admin/builder/spi-builder-workspace/Sources/UIView/UIView+PinningPosition.swift /Users/admin/builder/spi-builder-workspace/Sources/UIView/UIView+PinningVerticalEdge.swift /Users/admin/builder/spi-builder-workspace/Sources/UIView/UIView+ResizeNotifyWrapper.swift /Users/admin/builder/spi-builder-workspace/Sources/UIView/UIView+Scrollable.swift /Users/admin/builder/spi-builder-workspace/Sources/UIView/UIView+SizeConstraints.swift /Users/admin/builder/spi-builder-workspace/Sources/UIView/UIView+TraitCollection.swift -supplementary-output-file-map /var/folders/xq/y_g06wb113726d38xsyx71_h0000gn/T/TemporaryDirectory.KtEu16/supplementaryOutputs-6 -target arm64-apple-macosx10.13 -Xllvm -aarch64-use-tbi -enable-objc-interop -sdk /Applications/Xcode-26.5.0.app/Contents/Developer/Platforms/MacOSX.platform/Developer/SDKs/MacOSX26.5.sdk -I /Users/admin/builder/spi-builder-workspace/.build/arm64-apple-macosx/debug/Modules -I /Applications/Xcode-26.5.0.app/Contents/Developer/Platforms/MacOSX.platform/Developer/usr/lib -F /Applications/Xcode-26.5.0.app/Contents/Developer/Platforms/MacOSX.platform/Developer/Library/Frameworks -no-color-diagnostics -Xcc -fno-color-diagnostics -enable-testing -g -debug-info-format=dwarf -dwarf-version=4 -module-cache-path /Users/admin/builder/spi-builder-workspace/.build/arm64-apple-macosx/debug/ModuleCache -swift-version 5 -Onone -D SWIFT_PACKAGE -D DEBUG -D SWIFT_MODULE_RESOURCE_BUNDLE_UNAVAILABLE -new-driver-path /Applications/Xcode-26.5.0.app/Contents/Developer/Toolchains/XcodeDefault.xctoolchain/usr/bin/swift-driver -empty-abi-descriptor -plugin-path /Applications/Xcode-26.5.0.app/Contents/Developer/Toolchains/XcodeDefault.xctoolchain/usr/lib/swift/host/plugins/testing -enable-anonymous-context-mangled-names -file-compilation-dir /Users/admin/builder/spi-builder-workspace -Xcc -isysroot -Xcc /Applications/Xcode-26.5.0.app/Contents/Developer/Platforms/MacOSX.platform/Developer/SDKs/MacOSX26.5.sdk -Xcc -F -Xcc /Applications/Xcode-26.5.0.app/Contents/Developer/Platforms/MacOSX.platform/Developer/Library/Frameworks -Xcc -fPIC -Xcc -g -no-auto-bridging-header-chaining -module-name AutoLayoutConvenience -disable-clang-spi -target-sdk-version 26.5 -target-sdk-name macosx26.5 -external-plugin-path /Applications/Xcode-26.5.0.app/Contents/Developer/Platforms/MacOSX.platform/Developer/usr/lib/swift/host/plugins#/Applications/Xcode-26.5.0.app/Contents/Developer/Platforms/MacOSX.platform/Developer/usr/bin/swift-plugin-server -external-plugin-path /Applications/Xcode-26.5.0.app/Contents/Developer/Platforms/MacOSX.platform/Developer/usr/local/lib/swift/host/plugins#/Applications/Xcode-26.5.0.app/Contents/Developer/Platforms/MacOSX.platform/Developer/usr/bin/swift-plugin-server -in-process-plugin-server-path /Applications/Xcode-26.5.0.app/Contents/Developer/Toolchains/XcodeDefault.xctoolchain/usr/lib/swift/host/libSwiftInProcPluginServer.dylib -plugin-path /Applications/Xcode-26.5.0.app/Contents/Developer/Toolchains/XcodeDefault.xctoolchain/usr/lib/swift/host/plugins -plugin-path /Applications/Xcode-26.5.0.app/Contents/Developer/Toolchains/XcodeDefault.xctoolchain/usr/local/lib/swift/host/plugins -parse-as-library -o /Users/admin/builder/spi-builder-workspace/.build/arm64-apple-macosx/debug/AutoLayoutConvenience.build/VerticalOverflowScrollView.swift.o -o /Users/admin/builder/spi-builder-workspace/.build/arm64-apple-macosx/debug/AutoLayoutConvenience.build/AutoAdjustingHorizontalStackView.swift.o -o /Users/admin/builder/spi-builder-workspace/.build/arm64-apple-macosx/debug/AutoLayoutConvenience.build/AutoAdjustingStackView.swift.o -o /Users/admin/builder/spi-builder-workspace/.build/arm64-apple-macosx/debug/AutoLayoutConvenience.build/AutoAdjustingVerticalStackView.swift.o -o /Users/admin/builder/spi-builder-workspace/.build/arm64-apple-macosx/debug/AutoLayoutConvenience.build/AutoHidingStackView.swift.o -o /Users/admin/builder/spi-builder-workspace/.build/arm64-apple-macosx/debug/AutoLayoutConvenience.build/AxisAndAlignment.swift.o -index-store-path /Users/admin/builder/spi-builder-workspace/.build/arm64-apple-macosx/debug/index/store -index-system-modules
1. Apple Swift version 6.3.2 (swiftlang-6.3.2.1.108 clang-2100.1.1.101)
2. Compiling with effective version 5.10
3. While evaluating request TypeCheckPrimaryFileRequest(source_file "/Users/admin/builder/spi-builder-workspace/Sources/UIStackView/AutoAdjustingStackView.swift")
4. While evaluating request TypeCheckFunctionBodyRequest(AutoLayoutConvenience.(file).AutoAdjustingStackView.ConfigurationUpdateHandler.regularWithAlternative(axis:alignment:distribution:spacing:alternativeAxis:alternativeAlignment:alternativeDistribution:alternativeSpacing:isAlternative:)@/Users/admin/builder/spi-builder-workspace/Sources/UIStackView/AutoAdjustingStackView.swift:107:15)
5. While type-checking statement at [/Users/admin/builder/spi-builder-workspace/Sources/UIStackView/AutoAdjustingStackView.swift:117:13 - line:133:3] RangeText="{
let handler = regularWithAlternative(
axis: axis,
alignment: alignment,
distribution: distribution,
spacing: spacing,
alternativeAxis: alternativeAxis,
alternativeAlignment: alternativeAlignment,
alternativeDistribution: alternativeDistribution,
alternativeSpacing: alternativeSpacing,
isAlternative: { stackView in stackView.conditionList?.conditionIsActive == true }
)
return Self(condition) { stackView in
handler(stackView)
}
"
6. While type-checking statement at [/Users/admin/builder/spi-builder-workspace/Sources/UIStackView/AutoAdjustingStackView.swift:130:4 - line:132:4] RangeText="return Self(condition) { stackView in
handler(stackView)
"
7. While type-checking-target starting at /Users/admin/builder/spi-builder-workspace/Sources/UIStackView/AutoAdjustingStackView.swift:130:11
Stack dump without symbol names (ensure you have llvm-symbolizer in your PATH or set the environment var `LLVM_SYMBOLIZER_PATH` to point to it):
0 swift-frontend 0x000000010aad8a30 llvm::sys::PrintStackTrace(llvm::raw_ostream&, int) + 56
1 swift-frontend 0x000000010aad5ed0 llvm::sys::RunSignalHandlers() + 172
2 swift-frontend 0x000000010aad9020 SignalHandler(int, __siginfo*, void*) + 356
3 libsystem_platform.dylib 0x000000018198b744 _sigtramp + 56
4 libsystem_pthread.dylib 0x00000001819818d8 pthread_kill + 296
5 libsystem_c.dylib 0x0000000181888644 abort + 148
6 libc++.1.dylib 0x00000001818b75dc std::__1::__libcpp_verbose_abort(char const*, ...) + 92
7 swift-frontend 0x00000001046aaba8 discoverCrossImportOverlayFiles(llvm::StringRef, swift::ModuleDependenciesCache&, swift::ASTContext&, llvm::SetVector<swift::Identifier, llvm::SmallVector<swift::Identifier, 0u>, llvm::DenseSet<swift::Identifier, llvm::DenseMapInfo<swift::Identifier, void>>, 0u>&, std::__1::set<std::__1::pair<std::__1::basic_string<char, std::__1::char_traits<char>, std::__1::allocator<char>>, std::__1::basic_string<char, std::__1::char_traits<char>, std::__1::allocator<char>>>, std::__1::less<std::__1::pair<std::__1::basic_string<char, std::__1::char_traits<char>, std::__1::allocator<char>>, std::__1::basic_string<char, std::__1::char_traits<char>, std::__1::allocator<char>>>>, std::__1::allocator<std::__1::pair<std::__1::basic_string<char, std::__1::char_traits<char>, std::__1::allocator<char>>, std::__1::basic_string<char, std::__1::char_traits<char>, std::__1::allocator<char>>>>>&)::$_2::operator()(std::__1::basic_string<char, std::__1::char_traits<char>, std::__1::allocator<char>> const&, std::__1::unordered_set<swift::ModuleDependencyID, swift::ModuleDependencyIDHash, std::__1::equal_to<swift::ModuleDependencyID>, std::__1::allocator<swift::ModuleDependencyID>> const&, std::__1::unordered_set<swift::ModuleDependencyID, swift::ModuleDependencyIDHash, std::__1::equal_to<swift::ModuleDependencyID>, std::__1::allocator<swift::ModuleDependencyID>> const&) const + 0
8 swift-frontend 0x00000001058db01c swift::constraints::AllowArgumentMismatch::create(swift::constraints::ConstraintSystem&, swift::Type, swift::Type, swift::constraints::ConstraintLocator*) + 0
9 swift-frontend 0x00000001057dd830 swift::constraints::ConstraintSystem::applySolution(swift::constraints::Solution&, swift::constraints::SyntacticElementTarget) + 5088
10 swift-frontend 0x0000000105acb654 swift::TypeChecker::typeCheckTarget(swift::constraints::SyntacticElementTarget&, swift::optionset::OptionSet<swift::TypeCheckExprFlags, unsigned int>, swift::DiagnosticTransaction*) + 1920
11 swift-frontend 0x0000000105be0f20 swift::ASTVisitor<(anonymous namespace)::StmtChecker, void, swift::Stmt*, void, void, void, void>::visit(swift::Stmt*) + 5012
12 swift-frontend 0x0000000105bdfb1c bool (anonymous namespace)::StmtChecker::typeCheckStmt<swift::Stmt>(swift::Stmt*&) + 292
13 swift-frontend 0x0000000105bdaea0 (anonymous namespace)::StmtChecker::typeCheckASTNode(swift::ASTNode&) + 76
14 swift-frontend 0x0000000105bdfcb8 swift::ASTVisitor<(anonymous namespace)::StmtChecker, void, swift::Stmt*, void, void, void, void>::visit(swift::Stmt*) + 300
15 swift-frontend 0x0000000105bddad4 bool (anonymous namespace)::StmtChecker::typeCheckStmt<swift::BraceStmt>(swift::BraceStmt*&) + 292
16 swift-frontend 0x0000000105bdcafc swift::TypeCheckFunctionBodyRequest::evaluate(swift::Evaluator&, swift::AbstractFunctionDecl*) const + 2284
17 swift-frontend 0x000000010603e738 swift::TypeCheckFunctionBodyRequest::OutputType swift::Evaluator::getResultUncached<swift::TypeCheckFunctionBodyRequest, swift::TypeCheckFunctionBodyRequest::OutputType swift::evaluateOrDefault<swift::TypeCheckFunctionBodyRequest>(swift::Evaluator&, swift::TypeCheckFunctionBodyRequest, swift::TypeCheckFunctionBodyRequest::OutputType)::'lambda'()>(swift::TypeCheckFunctionBodyRequest const&, swift::TypeCheckFunctionBodyRequest::OutputType swift::evaluateOrDefault<swift::TypeCheckFunctionBodyRequest>(swift::Evaluator&, swift::TypeCheckFunctionBodyRequest, swift::TypeCheckFunctionBodyRequest::OutputType)::'lambda'()) + 680
18 swift-frontend 0x0000000105f8fbf4 swift::AbstractFunctionDecl::getTypecheckedBody() const + 152
19 swift-frontend 0x0000000105c2dabc swift::TypeCheckPrimaryFileRequest::evaluate(swift::Evaluator&, swift::SourceFile*) const + 1276
20 swift-frontend 0x0000000105c36d54 swift::TypeCheckPrimaryFileRequest::OutputType swift::Evaluator::getResultUncached<swift::TypeCheckPrimaryFileRequest, swift::TypeCheckPrimaryFileRequest::OutputType swift::evaluateOrDefault<swift::TypeCheckPrimaryFileRequest>(swift::Evaluator&, swift::TypeCheckPrimaryFileRequest, swift::TypeCheckPrimaryFileRequest::OutputType)::'lambda'()>(swift::TypeCheckPrimaryFileRequest const&, swift::TypeCheckPrimaryFileRequest::OutputType swift::evaluateOrDefault<swift::TypeCheckPrimaryFileRequest>(swift::Evaluator&, swift::TypeCheckPrimaryFileRequest, swift::TypeCheckPrimaryFileRequest::OutputType)::'lambda'()) + 644
21 swift-frontend 0x0000000104a66490 bool llvm::function_ref<bool (swift::SourceFile&)>::callback_fn<swift::CompilerInstance::performSema()::$_0>(long, swift::SourceFile&) + 156
22 swift-frontend 0x0000000104a5f7b0 swift::CompilerInstance::forEachFileToTypeCheck(llvm::function_ref<bool (swift::SourceFile&)>) + 176
23 swift-frontend 0x0000000104a5f640 swift::CompilerInstance::performSema() + 456
24 swift-frontend 0x0000000104647608 performCompile(swift::CompilerInstance&, int&, swift::FrontendObserver*, llvm::ArrayRef<char const*>) + 548
25 swift-frontend 0x0000000104644818 swift::performFrontend(llvm::ArrayRef<char const*>, char const*, void*, swift::FrontendObserver*) + 3308
26 swift-frontend 0x00000001045c4424 swift::mainEntry(int, char const**) + 5224
27 dyld 0x00000001815c3e00 start + 6992
BUILD FAILURE 6.3 macosSpm