Swift Package IndexBuild Information
Failed to build SwiftSlash, reference 5.0.2 (20b8aa), with Swift 6.1 for macOS (SPM) on 8 Oct 2026 22:29:10 UTC.
Build Command
env DEVELOPER_DIR=/Applications/Xcode-16.3.0.app xcrun swift build --arch arm64Build Log
========================================
RunAll
========================================
Builder version: 5.1.1
Interrupt handler set up.
========================================
Checkout
========================================
Clone URL: https://github.com/tannerdsilva/SwiftSlash.git
Reference: 5.0.2
Initialized empty Git repository in /Users/admin/builder/spi-builder-workspace/.git/
From https://github.com/tannerdsilva/SwiftSlash
* tag 5.0.2 -> FETCH_HEAD
HEAD is now at 20b8aae fix non-ascii argv truncation: strndup needs the utf8 byte length
Cloned https://github.com/tannerdsilva/SwiftSlash.git
Revision (git rev-parse @):
20b8aae8b528e86091b792daaa3d9760b0addddc
SUCCESS checkout https://github.com/tannerdsilva/SwiftSlash.git at 5.0.2
========================================
Build
========================================
Selected platform: macosSpm
Swift version: 6.1
Building package at path: $PWD
https://github.com/tannerdsilva/SwiftSlash.git
https://github.com/tannerdsilva/SwiftSlash.git
{
"c_language_standard" : "c11",
"dependencies" : [
],
"manifest_display_name" : "SwiftSlash",
"name" : "SwiftSlash",
"path" : "/Users/admin/builder/spi-builder-workspace",
"platforms" : [
{
"name" : "macos",
"version" : "15.0"
}
],
"products" : [
{
"name" : "SwiftSlash",
"targets" : [
"SwiftSlash"
],
"type" : {
"library" : [
"automatic"
]
}
}
],
"targets" : [
{
"c99name" : "__cswiftslash_types",
"module_type" : "ClangTarget",
"name" : "__cswiftslash_types",
"path" : "Sources/__cswiftslash_types",
"product_memberships" : [
"SwiftSlash"
],
"sources" : [
"__cswiftslash_types.c"
],
"type" : "library"
},
{
"c99name" : "__cswiftslash_threads",
"module_type" : "ClangTarget",
"name" : "__cswiftslash_threads",
"path" : "Sources/__cswiftslash_threads",
"product_memberships" : [
"SwiftSlash"
],
"sources" : [
"__cswiftslash_threads.c"
],
"target_dependencies" : [
"__cswiftslash_types"
],
"type" : "library"
},
{
"c99name" : "__cswiftslash_posix_helpers",
"module_type" : "ClangTarget",
"name" : "__cswiftslash_posix_helpers",
"path" : "Sources/__cswiftslash_posix_helpers",
"product_memberships" : [
"SwiftSlash"
],
"sources" : [
"__cswiftslash_posix_helpers.c"
],
"type" : "library"
},
{
"c99name" : "__cswiftslash_eventtrigger",
"module_type" : "ClangTarget",
"name" : "__cswiftslash_eventtrigger",
"path" : "Sources/__cswiftslash_eventtrigger",
"product_memberships" : [
"SwiftSlash"
],
"sources" : [
"__cswiftslash_eventtrigger.c"
],
"type" : "library"
},
{
"c99name" : "SwiftSlashPThreadSerialExecutor",
"module_type" : "SwiftTarget",
"name" : "SwiftSlashPThreadSerialExecutor",
"path" : "Sources/SwiftSlashPThreadSerialExecutor",
"product_memberships" : [
"SwiftSlash"
],
"sources" : [
"SerialExecutor.swift"
],
"target_dependencies" : [
"SwiftSlashPThread",
"SwiftSlashFIFO",
"__cswiftslash_threads"
],
"type" : "library"
},
{
"c99name" : "SwiftSlashPThread",
"module_type" : "SwiftTarget",
"name" : "SwiftSlashPThread",
"path" : "Sources/SwiftSlashPThread",
"product_memberships" : [
"SwiftSlash"
],
"sources" : [
"GenericPThread.swift",
"PThread.swift",
"PThreadErrors.swift",
"Workspace.swift"
],
"target_dependencies" : [
"__cswiftslash_threads",
"SwiftSlashFuture"
],
"type" : "library"
},
{
"c99name" : "SwiftSlashOneShotLatch",
"module_type" : "SwiftTarget",
"name" : "SwiftSlashOneShotLatch",
"path" : "Sources/SwiftSlashOneShotLatch",
"product_memberships" : [
"SwiftSlash"
],
"sources" : [
"OneShotLatch.swift"
],
"type" : "library"
},
{
"c99name" : "SwiftSlashInternalTests",
"module_type" : "SwiftTarget",
"name" : "SwiftSlashInternalTests",
"path" : "Tests/SwiftSlashInternalTests",
"sources" : [
"SwiftSlash/BYODataChannelTests.swift",
"SwiftSlash/CancellationTests.swift",
"SwiftSlash/EventTriggerTests.swift",
"SwiftSlash/FIFOTests.swift",
"SwiftSlash/FutureTests.swift",
"SwiftSlash/IdentifiedListTests.swift",
"SwiftSlash/LineParserTests.swift",
"SwiftSlash/NAsyncStream.swift",
"SwiftSlash/PThreadTests.swift",
"SwiftSlash/StdinStressTests.swift",
"SwiftSlash/SwiftSlashOneShotLatch.swift",
"SwiftSlash/SwiftSlashProcessTests.swift",
"SwiftSlash/WhenDeinitTool.swift",
"SwiftSlashTests.swift",
"__cswiftslash/__cswiftslash_identified_list_tests.swift",
"__cswiftslash/__cswiftslash_threads_tests.swift",
"__cswiftslash_tests.swift"
],
"target_dependencies" : [
"__cswiftslash_types",
"__cswiftslash_threads",
"__cswiftslash_eventtrigger",
"SwiftSlashFuture",
"SwiftSlashPThread",
"SwiftSlashFIFO",
"SwiftSlashEventTrigger",
"SwiftSlash",
"SwiftSlashGlobalSerialization",
"SwiftSlashOneShotLatch"
],
"type" : "test"
},
{
"c99name" : "SwiftSlashGlobalSerialization",
"module_type" : "SwiftTarget",
"name" : "SwiftSlashGlobalSerialization",
"path" : "Sources/SwiftSlashGlobalSerialization",
"product_memberships" : [
"SwiftSlash"
],
"sources" : [
"GlobalSerialization.swift"
],
"target_dependencies" : [
"SwiftSlashPThreadSerialExecutor",
"SwiftSlashFIFO",
"SwiftSlashPThread"
],
"type" : "library"
},
{
"c99name" : "SwiftSlashFuture",
"module_type" : "SwiftTarget",
"name" : "SwiftSlashFuture",
"path" : "Sources/SwiftSlashFuture",
"product_memberships" : [
"SwiftSlash"
],
"sources" : [
"Future.swift"
],
"target_dependencies" : [
"SwiftSlashOneShotLatch"
],
"type" : "library"
},
{
"c99name" : "SwiftSlashFIFO",
"module_type" : "SwiftTarget",
"name" : "SwiftSlashFIFO",
"path" : "Sources/SwiftSlashFIFO",
"product_memberships" : [
"SwiftSlash"
],
"sources" : [
"FIFO.swift",
"FIFOCore.swift",
"FIFOIterators.swift"
],
"target_dependencies" : [
"SwiftSlashOneShotLatch"
],
"type" : "library"
},
{
"c99name" : "SwiftSlashFHHelpers",
"module_type" : "SwiftTarget",
"name" : "SwiftSlashFHHelpers",
"path" : "Sources/SwiftSlashFHHelpers",
"product_memberships" : [
"SwiftSlash"
],
"sources" : [
"FHHelpers.swift",
"FileHandleError.swift",
"PosixPipe.swift",
"SystemErrno.swift"
],
"target_dependencies" : [
"__cswiftslash_posix_helpers"
],
"type" : "library"
},
{
"c99name" : "SwiftSlashEventTrigger",
"module_type" : "SwiftTarget",
"name" : "SwiftSlashEventTrigger",
"path" : "Sources/SwiftSlashEventTrigger",
"product_memberships" : [
"SwiftSlash"
],
"sources" : [
"EventTrigger.swift",
"EventTriggerEngine.swift",
"EventTriggerErrors.swift",
"EventTriggerRegister.swift",
"EventTriggerSetup.swift",
"Platforms/LinuxEventTrigger.swift",
"Platforms/MacOSETImpl.swift"
],
"target_dependencies" : [
"__cswiftslash_eventtrigger",
"SwiftSlashPThread",
"SwiftSlashFIFO",
"SwiftSlashFHHelpers",
"SwiftSlashGlobalSerialization"
],
"type" : "library"
},
{
"c99name" : "SwiftSlash",
"module_type" : "SwiftTarget",
"name" : "SwiftSlash",
"path" : "Sources/SwiftSlash",
"product_memberships" : [
"SwiftSlash"
],
"sources" : [
"Child Process/Errors.swift",
"Child Process/ProcessInterface.swift",
"CurrentEnvironment.swift",
"DataChannel.swift",
"Essentials/Command.swift",
"Essentials/Path.swift",
"LineParser.swift",
"Logistics.swift",
"LogisticsTest.swift",
"WriteStepper.swift"
],
"target_dependencies" : [
"SwiftSlashPThread",
"SwiftSlashFuture",
"SwiftSlashFIFO",
"SwiftSlashFHHelpers",
"SwiftSlashEventTrigger",
"SwiftSlashGlobalSerialization"
],
"type" : "library"
}
],
"tools_version" : "6.0"
}
Running build ...
env DEVELOPER_DIR=/Applications/Xcode-16.3.0.app xcrun swift build --arch arm64 -Xswiftc -Xfrontend -Xswiftc -stats-output-dir -Xswiftc -Xfrontend -Xswiftc .stats
Building for debugging...
[0/14] Write sources
[9/14] Write swift-version-2F0A5646E1D333AE.txt
[10/16] Compiling __cswiftslash_types __cswiftslash_types.c
[11/16] Compiling __cswiftslash_threads __cswiftslash_threads.c
[12/16] Compiling __cswiftslash_posix_helpers __cswiftslash_posix_helpers.c
[13/21] Compiling __cswiftslash_eventtrigger __cswiftslash_eventtrigger.c
[15/21] Emitting module SwiftSlashOneShotLatch
error: compile command failed due to signal 11 (use -v to see invocation)
Please submit a bug report (https://swift.org/contributing/#reporting-bugs) and include the crash backtrace.
Stack dump:
0. Program arguments: /Applications/Xcode-16.3.0.app/Contents/Developer/Toolchains/XcodeDefault.xctoolchain/usr/bin/swift-frontend -frontend -c -primary-file /Users/admin/builder/spi-builder-workspace/Sources/SwiftSlashOneShotLatch/OneShotLatch.swift -emit-dependencies-path /Users/admin/builder/spi-builder-workspace/.build/arm64-apple-macosx/debug/SwiftSlashOneShotLatch.build/OneShotLatch.d -emit-reference-dependencies-path /Users/admin/builder/spi-builder-workspace/.build/arm64-apple-macosx/debug/SwiftSlashOneShotLatch.build/OneShotLatch.swiftdeps -target arm64-apple-macosx15.0 -Xllvm -aarch64-use-tbi -enable-objc-interop -stack-check -sdk /Applications/Xcode-16.3.0.app/Contents/Developer/Platforms/MacOSX.platform/Developer/SDKs/MacOSX15.4.sdk -I /Users/admin/builder/spi-builder-workspace/.build/arm64-apple-macosx/debug/Modules -I /Applications/Xcode-16.3.0.app/Contents/Developer/Platforms/MacOSX.platform/Developer/usr/lib -F /Applications/Xcode-16.3.0.app/Contents/Developer/Platforms/MacOSX.platform/Developer/Library/Frameworks -F /Applications/Xcode-16.3.0.app/Contents/Developer/Platforms/MacOSX.platform/Developer/Library/PrivateFrameworks -enable-testing -g -debug-info-format=dwarf -dwarf-version=5 -module-cache-path /Users/admin/builder/spi-builder-workspace/.build/arm64-apple-macosx/debug/ModuleCache -swift-version 6 -Onone -D SWIFT_PACKAGE -D DEBUG -new-driver-path /Applications/Xcode-16.3.0.app/Contents/Developer/Toolchains/XcodeDefault.xctoolchain/usr/bin/swift-driver -stats-output-dir .stats -empty-abi-descriptor -resource-dir /Applications/Xcode-16.3.0.app/Contents/Developer/Toolchains/XcodeDefault.xctoolchain/usr/lib/swift -enable-anonymous-context-mangled-names -file-compilation-dir /Users/admin/builder/spi-builder-workspace -Xcc -isysroot -Xcc /Applications/Xcode-16.3.0.app/Contents/Developer/Platforms/MacOSX.platform/Developer/SDKs/MacOSX15.4.sdk -Xcc -F -Xcc /Applications/Xcode-16.3.0.app/Contents/Developer/Platforms/MacOSX.platform/Developer/Library/Frameworks -Xcc -F -Xcc /Applications/Xcode-16.3.0.app/Contents/Developer/Platforms/MacOSX.platform/Developer/Library/PrivateFrameworks -Xcc -fPIC -Xcc -g -module-name SwiftSlashOneShotLatch -package-name spi_builder_workspace -disable-clang-spi -target-sdk-version 15.4 -target-sdk-name macosx15.4 -external-plugin-path /Applications/Xcode-16.3.0.app/Contents/Developer/Platforms/MacOSX.platform/Developer/usr/lib/swift/host/plugins#/Applications/Xcode-16.3.0.app/Contents/Developer/Platforms/MacOSX.platform/Developer/usr/bin/swift-plugin-server -external-plugin-path /Applications/Xcode-16.3.0.app/Contents/Developer/Platforms/MacOSX.platform/Developer/usr/local/lib/swift/host/plugins#/Applications/Xcode-16.3.0.app/Contents/Developer/Platforms/MacOSX.platform/Developer/usr/bin/swift-plugin-server -in-process-plugin-server-path /Applications/Xcode-16.3.0.app/Contents/Developer/Toolchains/XcodeDefault.xctoolchain/usr/lib/swift/host/libSwiftInProcPluginServer.dylib -plugin-path /Applications/Xcode-16.3.0.app/Contents/Developer/Toolchains/XcodeDefault.xctoolchain/usr/lib/swift/host/plugins -plugin-path /Applications/Xcode-16.3.0.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/SwiftSlashOneShotLatch.build/OneShotLatch.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 6.1 (swiftlang-6.1.0.110.21 clang-1700.0.13.3)
2. Compiling with the current language version
3. While evaluating request IRGenRequest(IR Generation for file "/Users/admin/builder/spi-builder-workspace/Sources/SwiftSlashOneShotLatch/OneShotLatch.swift")
4. While emitting IR SIL function "@$s22SwiftSlashOneShotLatch0cdE0C4CoreV4fireyyxnAC0cD17SemanticViolationVyx_GYKF".
for 'fire(_:)' (at /Users/admin/builder/spi-builder-workspace/Sources/SwiftSlashOneShotLatch/OneShotLatch.swift:29:21)
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 0x000000010ad96c28 llvm::sys::PrintStackTrace(llvm::raw_ostream&, int) + 56
1 swift-frontend 0x000000010ad94a60 llvm::sys::RunSignalHandlers() + 112
2 swift-frontend 0x000000010ad97264 SignalHandler(int) + 360
3 libsystem_platform.dylib 0x0000000182097624 _sigtramp + 56
4 swift-frontend 0x00000001050d2980 swift::irgen::emitClassExistentialContainer(swift::irgen::IRGenFunction&, swift::irgen::Explosion&, swift::SILType, llvm::Value*, swift::CanType, swift::SILType, llvm::ArrayRef<swift::ProtocolConformanceRef>) + 676
5 swift-frontend 0x00000001050d2980 swift::irgen::emitClassExistentialContainer(swift::irgen::IRGenFunction&, swift::irgen::Explosion&, swift::SILType, llvm::Value*, swift::CanType, swift::SILType, llvm::ArrayRef<swift::ProtocolConformanceRef>) + 676
6 swift-frontend 0x0000000105261584 (anonymous namespace)::IRGenSILFunction::visitSILBasicBlock(swift::SILBasicBlock*) + 56044
7 swift-frontend 0x000000010525238c (anonymous namespace)::IRGenSILFunction::emitSILFunction() + 15860
8 swift-frontend 0x000000010524e0e0 swift::irgen::IRGenModule::emitSILFunction(swift::SILFunction*) + 2788
9 swift-frontend 0x0000000105071560 swift::irgen::IRGenerator::emitGlobalTopLevel(std::__1::vector<std::__1::basic_string<char, std::__1::char_traits<char>, std::__1::allocator<char>>, std::__1::allocator<std::__1::basic_string<char, std::__1::char_traits<char>, std::__1::allocator<char>>>> const&) + 2044
10 swift-frontend 0x00000001051ff9fc swift::IRGenRequest::evaluate(swift::Evaluator&, swift::IRGenDescriptor) const + 4296
11 swift-frontend 0x000000010524d33c swift::SimpleRequest<swift::IRGenRequest, swift::GeneratedModule (swift::IRGenDescriptor), (swift::RequestFlags)17>::evaluateRequest(swift::IRGenRequest const&, swift::Evaluator&) + 180
12 swift-frontend 0x0000000105208f28 swift::IRGenRequest::OutputType swift::Evaluator::getResultUncached<swift::IRGenRequest, swift::IRGenRequest::OutputType swift::evaluateOrFatal<swift::IRGenRequest>(swift::Evaluator&, swift::IRGenRequest)::'lambda'()>(swift::IRGenRequest const&, swift::IRGenRequest::OutputType swift::evaluateOrFatal<swift::IRGenRequest>(swift::Evaluator&, swift::IRGenRequest)::'lambda'()) + 812
13 swift-frontend 0x0000000105202688 swift::performIRGeneration(swift::FileUnit*, swift::IRGenOptions const&, swift::TBDGenOptions const&, std::__1::unique_ptr<swift::SILModule, std::__1::default_delete<swift::SILModule>>, llvm::StringRef, swift::PrimarySpecificPaths const&, llvm::StringRef, llvm::GlobalVariable**) + 176
14 swift-frontend 0x0000000104bedaf0 generateIR(swift::IRGenOptions const&, swift::TBDGenOptions const&, std::__1::unique_ptr<swift::SILModule, std::__1::default_delete<swift::SILModule>>, swift::PrimarySpecificPaths const&, llvm::StringRef, llvm::PointerUnion<swift::ModuleDecl*, swift::SourceFile*>, llvm::GlobalVariable*&, llvm::ArrayRef<std::__1::basic_string<char, std::__1::char_traits<char>, std::__1::allocator<char>>>) + 156
15 swift-frontend 0x0000000104be907c performCompileStepsPostSILGen(swift::CompilerInstance&, std::__1::unique_ptr<swift::SILModule, std::__1::default_delete<swift::SILModule>>, llvm::PointerUnion<swift::ModuleDecl*, swift::SourceFile*>, swift::PrimarySpecificPaths const&, int&, swift::FrontendObserver*) + 2108
16 swift-frontend 0x0000000104be80a8 swift::performCompileStepsPostSema(swift::CompilerInstance&, int&, swift::FrontendObserver*) + 1036
17 swift-frontend 0x0000000104beb654 performCompile(swift::CompilerInstance&, int&, swift::FrontendObserver*) + 1764
18 swift-frontend 0x0000000104be9fd8 swift::performFrontend(llvm::ArrayRef<char const*>, char const*, void*, swift::FrontendObserver*) + 3716
19 swift-frontend 0x0000000104b6e0bc swift::mainEntry(int, char const**) + 5428
20 dyld 0x0000000181cbeb4c start + 6000
[16/21] Emitting module SwiftSlashFHHelpers
Running build ...
env DEVELOPER_DIR=/Applications/Xcode-16.3.0.app xcrun swift build --arch arm64
[0/1] Planning build
Building for debugging...
[0/1] Write swift-version-2F0A5646E1D333AE.txt
[2/8] Emitting module SwiftSlashOneShotLatch
error: compile command failed due to signal 11 (use -v to see invocation)
Please submit a bug report (https://swift.org/contributing/#reporting-bugs) and include the crash backtrace.
Stack dump:
0. Program arguments: /Applications/Xcode-16.3.0.app/Contents/Developer/Toolchains/XcodeDefault.xctoolchain/usr/bin/swift-frontend -frontend -c -primary-file /Users/admin/builder/spi-builder-workspace/Sources/SwiftSlashOneShotLatch/OneShotLatch.swift -emit-dependencies-path /Users/admin/builder/spi-builder-workspace/.build/arm64-apple-macosx/debug/SwiftSlashOneShotLatch.build/OneShotLatch.d -emit-reference-dependencies-path /Users/admin/builder/spi-builder-workspace/.build/arm64-apple-macosx/debug/SwiftSlashOneShotLatch.build/OneShotLatch.swiftdeps -target arm64-apple-macosx15.0 -Xllvm -aarch64-use-tbi -enable-objc-interop -stack-check -sdk /Applications/Xcode-16.3.0.app/Contents/Developer/Platforms/MacOSX.platform/Developer/SDKs/MacOSX15.4.sdk -I /Users/admin/builder/spi-builder-workspace/.build/arm64-apple-macosx/debug/Modules -I /Applications/Xcode-16.3.0.app/Contents/Developer/Platforms/MacOSX.platform/Developer/usr/lib -F /Applications/Xcode-16.3.0.app/Contents/Developer/Platforms/MacOSX.platform/Developer/Library/Frameworks -F /Applications/Xcode-16.3.0.app/Contents/Developer/Platforms/MacOSX.platform/Developer/Library/PrivateFrameworks -enable-testing -g -debug-info-format=dwarf -dwarf-version=5 -module-cache-path /Users/admin/builder/spi-builder-workspace/.build/arm64-apple-macosx/debug/ModuleCache -swift-version 6 -Onone -D SWIFT_PACKAGE -D DEBUG -new-driver-path /Applications/Xcode-16.3.0.app/Contents/Developer/Toolchains/XcodeDefault.xctoolchain/usr/bin/swift-driver -empty-abi-descriptor -resource-dir /Applications/Xcode-16.3.0.app/Contents/Developer/Toolchains/XcodeDefault.xctoolchain/usr/lib/swift -enable-anonymous-context-mangled-names -file-compilation-dir /Users/admin/builder/spi-builder-workspace -Xcc -isysroot -Xcc /Applications/Xcode-16.3.0.app/Contents/Developer/Platforms/MacOSX.platform/Developer/SDKs/MacOSX15.4.sdk -Xcc -F -Xcc /Applications/Xcode-16.3.0.app/Contents/Developer/Platforms/MacOSX.platform/Developer/Library/Frameworks -Xcc -F -Xcc /Applications/Xcode-16.3.0.app/Contents/Developer/Platforms/MacOSX.platform/Developer/Library/PrivateFrameworks -Xcc -fPIC -Xcc -g -module-name SwiftSlashOneShotLatch -package-name spi_builder_workspace -disable-clang-spi -target-sdk-version 15.4 -target-sdk-name macosx15.4 -external-plugin-path /Applications/Xcode-16.3.0.app/Contents/Developer/Platforms/MacOSX.platform/Developer/usr/lib/swift/host/plugins#/Applications/Xcode-16.3.0.app/Contents/Developer/Platforms/MacOSX.platform/Developer/usr/bin/swift-plugin-server -external-plugin-path /Applications/Xcode-16.3.0.app/Contents/Developer/Platforms/MacOSX.platform/Developer/usr/local/lib/swift/host/plugins#/Applications/Xcode-16.3.0.app/Contents/Developer/Platforms/MacOSX.platform/Developer/usr/bin/swift-plugin-server -in-process-plugin-server-path /Applications/Xcode-16.3.0.app/Contents/Developer/Toolchains/XcodeDefault.xctoolchain/usr/lib/swift/host/libSwiftInProcPluginServer.dylib -plugin-path /Applications/Xcode-16.3.0.app/Contents/Developer/Toolchains/XcodeDefault.xctoolchain/usr/lib/swift/host/plugins -plugin-path /Applications/Xcode-16.3.0.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/SwiftSlashOneShotLatch.build/OneShotLatch.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 6.1 (swiftlang-6.1.0.110.21 clang-1700.0.13.3)
2. Compiling with the current language version
3. While evaluating request IRGenRequest(IR Generation for file "/Users/admin/builder/spi-builder-workspace/Sources/SwiftSlashOneShotLatch/OneShotLatch.swift")
4. While emitting IR SIL function "@$s22SwiftSlashOneShotLatch0cdE0C4CoreV4fireyyxnAC0cD17SemanticViolationVyx_GYKF".
for 'fire(_:)' (at /Users/admin/builder/spi-builder-workspace/Sources/SwiftSlashOneShotLatch/OneShotLatch.swift:29:21)
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 0x0000000108f26c28 llvm::sys::PrintStackTrace(llvm::raw_ostream&, int) + 56
1 swift-frontend 0x0000000108f24a60 llvm::sys::RunSignalHandlers() + 112
2 swift-frontend 0x0000000108f27264 SignalHandler(int) + 360
3 libsystem_platform.dylib 0x0000000182097624 _sigtramp + 56
4 swift-frontend 0x0000000103262980 swift::irgen::emitClassExistentialContainer(swift::irgen::IRGenFunction&, swift::irgen::Explosion&, swift::SILType, llvm::Value*, swift::CanType, swift::SILType, llvm::ArrayRef<swift::ProtocolConformanceRef>) + 676
5 swift-frontend 0x0000000103262980 swift::irgen::emitClassExistentialContainer(swift::irgen::IRGenFunction&, swift::irgen::Explosion&, swift::SILType, llvm::Value*, swift::CanType, swift::SILType, llvm::ArrayRef<swift::ProtocolConformanceRef>) + 676
6 swift-frontend 0x00000001033f1584 (anonymous namespace)::IRGenSILFunction::visitSILBasicBlock(swift::SILBasicBlock*) + 56044
7 swift-frontend 0x00000001033e238c (anonymous namespace)::IRGenSILFunction::emitSILFunction() + 15860
8 swift-frontend 0x00000001033de0e0 swift::irgen::IRGenModule::emitSILFunction(swift::SILFunction*) + 2788
9 swift-frontend 0x0000000103201560 swift::irgen::IRGenerator::emitGlobalTopLevel(std::__1::vector<std::__1::basic_string<char, std::__1::char_traits<char>, std::__1::allocator<char>>, std::__1::allocator<std::__1::basic_string<char, std::__1::char_traits<char>, std::__1::allocator<char>>>> const&) + 2044
10 swift-frontend 0x000000010338f9fc swift::IRGenRequest::evaluate(swift::Evaluator&, swift::IRGenDescriptor) const + 4296
11 swift-frontend 0x00000001033dd33c swift::SimpleRequest<swift::IRGenRequest, swift::GeneratedModule (swift::IRGenDescriptor), (swift::RequestFlags)17>::evaluateRequest(swift::IRGenRequest const&, swift::Evaluator&) + 180
12 swift-frontend 0x0000000103398f28 swift::IRGenRequest::OutputType swift::Evaluator::getResultUncached<swift::IRGenRequest, swift::IRGenRequest::OutputType swift::evaluateOrFatal<swift::IRGenRequest>(swift::Evaluator&, swift::IRGenRequest)::'lambda'()>(swift::IRGenRequest const&, swift::IRGenRequest::OutputType swift::evaluateOrFatal<swift::IRGenRequest>(swift::Evaluator&, swift::IRGenRequest)::'lambda'()) + 812
13 swift-frontend 0x0000000103392688 swift::performIRGeneration(swift::FileUnit*, swift::IRGenOptions const&, swift::TBDGenOptions const&, std::__1::unique_ptr<swift::SILModule, std::__1::default_delete<swift::SILModule>>, llvm::StringRef, swift::PrimarySpecificPaths const&, llvm::StringRef, llvm::GlobalVariable**) + 176
14 swift-frontend 0x0000000102d7daf0 generateIR(swift::IRGenOptions const&, swift::TBDGenOptions const&, std::__1::unique_ptr<swift::SILModule, std::__1::default_delete<swift::SILModule>>, swift::PrimarySpecificPaths const&, llvm::StringRef, llvm::PointerUnion<swift::ModuleDecl*, swift::SourceFile*>, llvm::GlobalVariable*&, llvm::ArrayRef<std::__1::basic_string<char, std::__1::char_traits<char>, std::__1::allocator<char>>>) + 156
15 swift-frontend 0x0000000102d7907c performCompileStepsPostSILGen(swift::CompilerInstance&, std::__1::unique_ptr<swift::SILModule, std::__1::default_delete<swift::SILModule>>, llvm::PointerUnion<swift::ModuleDecl*, swift::SourceFile*>, swift::PrimarySpecificPaths const&, int&, swift::FrontendObserver*) + 2108
16 swift-frontend 0x0000000102d780a8 swift::performCompileStepsPostSema(swift::CompilerInstance&, int&, swift::FrontendObserver*) + 1036
17 swift-frontend 0x0000000102d7b654 performCompile(swift::CompilerInstance&, int&, swift::FrontendObserver*) + 1764
18 swift-frontend 0x0000000102d79fd8 swift::performFrontend(llvm::ArrayRef<char const*>, char const*, void*, swift::FrontendObserver*) + 3716
19 swift-frontend 0x0000000102cfe0bc swift::mainEntry(int, char const**) + 5428
20 dyld 0x0000000181cbeb4c start + 6000
BUILD FAILURE 6.1 macosSpm