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Build Information

Failed to build SwiftSlash, reference master (20b8aa), with Swift 6.1 for macOS (SPM) on 8 Oct 2026 22:44:00 UTC.

Build Command

env DEVELOPER_DIR=/Applications/Xcode-16.3.0.app xcrun swift build --arch arm64

Build Log

========================================
RunAll
========================================
Builder version: 5.1.1
Interrupt handler set up.
========================================
Checkout
========================================
Clone URL: https://github.com/tannerdsilva/SwiftSlash.git
Reference: master
Initialized empty Git repository in /Users/admin/builder/spi-builder-workspace/.git/
From https://github.com/tannerdsilva/SwiftSlash
 * branch            master     -> FETCH_HEAD
 * [new branch]      master     -> origin/master
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 master
========================================
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
[10/14] Compiling __cswiftslash_types __cswiftslash_types.c
[11/16] Compiling __cswiftslash_threads __cswiftslash_threads.c
[12/16] Compiling __cswiftslash_posix_helpers __cswiftslash_posix_helpers.c
[14/21] Emitting module SwiftSlashOneShotLatch
[14/21] Compiling __cswiftslash_eventtrigger __cswiftslash_eventtrigger.c
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           0x000000010a72ec28 llvm::sys::PrintStackTrace(llvm::raw_ostream&, int) + 56
1  swift-frontend           0x000000010a72ca60 llvm::sys::RunSignalHandlers() + 112
2  swift-frontend           0x000000010a72f264 SignalHandler(int) + 360
3  libsystem_platform.dylib 0x000000018b313624 _sigtramp + 56
4  swift-frontend           0x0000000104a6a980 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           0x0000000104a6a980 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           0x0000000104bf9584 (anonymous namespace)::IRGenSILFunction::visitSILBasicBlock(swift::SILBasicBlock*) + 56044
7  swift-frontend           0x0000000104bea38c (anonymous namespace)::IRGenSILFunction::emitSILFunction() + 15860
8  swift-frontend           0x0000000104be60e0 swift::irgen::IRGenModule::emitSILFunction(swift::SILFunction*) + 2788
9  swift-frontend           0x0000000104a09560 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           0x0000000104b979fc swift::IRGenRequest::evaluate(swift::Evaluator&, swift::IRGenDescriptor) const + 4296
11 swift-frontend           0x0000000104be533c swift::SimpleRequest<swift::IRGenRequest, swift::GeneratedModule (swift::IRGenDescriptor), (swift::RequestFlags)17>::evaluateRequest(swift::IRGenRequest const&, swift::Evaluator&) + 180
12 swift-frontend           0x0000000104ba0f28 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           0x0000000104b9a688 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           0x0000000104585af0 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           0x000000010458107c 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           0x00000001045800a8 swift::performCompileStepsPostSema(swift::CompilerInstance&, int&, swift::FrontendObserver*) + 1036
17 swift-frontend           0x0000000104583654 performCompile(swift::CompilerInstance&, int&, swift::FrontendObserver*) + 1764
18 swift-frontend           0x0000000104581fd8 swift::performFrontend(llvm::ArrayRef<char const*>, char const*, void*, swift::FrontendObserver*) + 3716
19 swift-frontend           0x00000001045060bc swift::mainEntry(int, char const**) + 5428
20 dyld                     0x000000018af3ab4c 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           0x000000010a732c28 llvm::sys::PrintStackTrace(llvm::raw_ostream&, int) + 56
1  swift-frontend           0x000000010a730a60 llvm::sys::RunSignalHandlers() + 112
2  swift-frontend           0x000000010a733264 SignalHandler(int) + 360
3  libsystem_platform.dylib 0x000000018b313624 _sigtramp + 56
4  swift-frontend           0x0000000104a6e980 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           0x0000000104a6e980 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           0x0000000104bfd584 (anonymous namespace)::IRGenSILFunction::visitSILBasicBlock(swift::SILBasicBlock*) + 56044
7  swift-frontend           0x0000000104bee38c (anonymous namespace)::IRGenSILFunction::emitSILFunction() + 15860
8  swift-frontend           0x0000000104bea0e0 swift::irgen::IRGenModule::emitSILFunction(swift::SILFunction*) + 2788
9  swift-frontend           0x0000000104a0d560 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           0x0000000104b9b9fc swift::IRGenRequest::evaluate(swift::Evaluator&, swift::IRGenDescriptor) const + 4296
11 swift-frontend           0x0000000104be933c swift::SimpleRequest<swift::IRGenRequest, swift::GeneratedModule (swift::IRGenDescriptor), (swift::RequestFlags)17>::evaluateRequest(swift::IRGenRequest const&, swift::Evaluator&) + 180
12 swift-frontend           0x0000000104ba4f28 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           0x0000000104b9e688 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           0x0000000104589af0 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           0x000000010458507c 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           0x00000001045840a8 swift::performCompileStepsPostSema(swift::CompilerInstance&, int&, swift::FrontendObserver*) + 1036
17 swift-frontend           0x0000000104587654 performCompile(swift::CompilerInstance&, int&, swift::FrontendObserver*) + 1764
18 swift-frontend           0x0000000104585fd8 swift::performFrontend(llvm::ArrayRef<char const*>, char const*, void*, swift::FrontendObserver*) + 3716
19 swift-frontend           0x000000010450a0bc swift::mainEntry(int, char const**) + 5428
20 dyld                     0x000000018af3ab4c start + 6000
[3/8] Emitting module SwiftSlashFHHelpers
BUILD FAILURE 6.1 macosSpm