AsyncObservable – Build Information

Build Information

Failed to build AsyncObservable, reference main (0c7bde), with Swift 6.4 for Linux on 21 Sep 2026 23:37:18 UTC.

Build Command

bash -c docker run --pull=always --rm -v "checkouts-54344843-1":/host -w "$PWD" -e JAVA_HOME="/root/.sdkman/candidates/java/current" -e SPI_BUILD="1" -e SPI_PROCESSING="1" registry.gitlab.com/saguaro1/spi-images:basic-6.4-latest swift build --triple x86_64-unknown-linux-gnu 2>&1

Build Log

========================================
RunAll
========================================
Builder version: 5.1.0
Interrupt handler set up.
========================================
Checkout
========================================
Clone URL: https://github.com/meech-ward/AsyncObservable.git
Reference: main
Initialized empty Git repository in /host/spi-builder-workspace/.git/
hint: Using 'master' as the name for the initial branch. This default branch name
hint: is subject to change. To configure the initial branch name to use in all
hint: of your new repositories, which will suppress this warning, call:
hint:
hint: 	git config --global init.defaultBranch <name>
hint:
hint: Names commonly chosen instead of 'master' are 'main', 'trunk' and
hint: 'development'. The just-created branch can be renamed via this command:
hint:
hint: 	git branch -m <name>
From https://github.com/meech-ward/AsyncObservable
 * branch            main       -> FETCH_HEAD
 * [new branch]      main       -> origin/main
HEAD is now at 0c7bdec     remove continuation manually if terminated by not being assigned
Cloned https://github.com/meech-ward/AsyncObservable.git
Revision (git rev-parse @):
0c7bdec1fb0c5341de7e463385683cb0b655f885
SPI manifest file found: $PWD/.spi.yml
SUCCESS checkout https://github.com/meech-ward/AsyncObservable.git at main
========================================
Build
========================================
Selected platform:         linux
Swift version:             6.4
Building package at path:  $PWD
https://github.com/meech-ward/AsyncObservable.git
Running build ...
bash -c docker run --pull=always --rm -v "checkouts-54344843-1":/host -w "$PWD" -e JAVA_HOME="/root/.sdkman/candidates/java/current" -e SPI_BUILD="1" -e SPI_PROCESSING="1" registry.gitlab.com/saguaro1/spi-images:basic-6.4-latest swift build --triple x86_64-unknown-linux-gnu 2>&1
basic-6.4-latest: Pulling from saguaro1/spi-images
Digest: sha256:c77fcce225e223ac0fafed844619173fc6de8d62dd560eeb28db3182af6a282b
Status: Image is up to date for registry.gitlab.com/saguaro1/spi-images:basic-6.4-latest
Building for debugging...
[Pre-planning 1 / 124]
[23 / 41] AsyncObservable
[32 / 48] AsyncObservable
/host/spi-builder-workspace/Sources/AsyncObservable/StreamOf.swift:10:69: [1;33mwarning: [1;39mconformance of 'AsyncStream<Element>.Continuation.BufferingPolicy' to protocol 'Sendable' conflicts with that stated in the type's module '_Concurrency' and will be ignored; there cannot be more than one conformance, even with different conditional bounds[0;0m
 [0;36m8 |[0;0m #else
 [0;36m9 |[0;0m @available(macOS 10.15, iOS 13, tvOS 13, watchOS 6, *)
[0;36m10 |[0;0m extension AsyncStream<Any>.Continuation.BufferingPolicy: @unchecked Sendable {}
   [0;36m|[0;0m                                                                     `- [1;33mwarning: [1;39mconformance of 'AsyncStream<Element>.Continuation.BufferingPolicy' to protocol 'Sendable' conflicts with that stated in the type's module '_Concurrency' and will be ignored; there cannot be more than one conformance, even with different conditional bounds[0;0m
[0;36m11 |[0;0m #endif
[0;36m12 |[0;0m
_Concurrency.AsyncStream.Continuation.BufferingPolicy:3:47: [1;39mnote: [1;39m'AsyncStream<Element>.Continuation.BufferingPolicy' declares conformance to protocol 'Sendable' here[0;0m
[0;36m1 |[0;0m generic struct AsyncStream {
[0;36m2 |[0;0m   struct Continuation {
[0;36m3 |[0;0m public enum AsyncStream<Element>.Continuation.BufferingPolicy : Sendable {
  [0;36m|[0;0m                                               `- [1;39mnote: [1;39m'AsyncStream<Element>.Continuation.BufferingPolicy' declares conformance to protocol 'Sendable' here[0;0m
[0;36m4 |[0;0m     case unbounded
[0;36m5 |[0;0m     case bufferingOldest(Int)
[40 / 51] AsyncObservableUserDefaults
[45 / 51] AsyncObservableUserDefaults
swift-frontend: /home/build-user/swift/lib/Sema/TypeCheckDeclPrimary.cpp:1202: void checkInheritedDefaultValueRestrictions(ParamDecl *): Assertion `(DC->isInSwiftinterface() || PD->isImplicit()) && "explicit inherited default argument outside of a module interface?"' failed.
Please submit a bug report (https://swift.org/contributing/#reporting-bugs) and include the crash backtrace.
Stack dump:
0.	Program arguments: /usr/bin/swift-frontend -frontend -c -primary-file /host/spi-builder-workspace/Sources/AsyncObservableUserDefaults/AsyncObservableUserDefaults.swift -emit-dependencies-path /host/spi-builder-workspace/.build/out/Intermediates.noindex/AsyncObservable.build/Debug-linux-x86_64/AsyncObservableUserDefaults-t.build/Objects-normal/x86_64/AsyncObservableUserDefaults.d -emit-const-values-path /host/spi-builder-workspace/.build/out/Intermediates.noindex/AsyncObservable.build/Debug-linux-x86_64/AsyncObservableUserDefaults-t.build/Objects-normal/x86_64/AsyncObservableUserDefaults.swiftconstvalues -emit-reference-dependencies-path /host/spi-builder-workspace/.build/out/Intermediates.noindex/AsyncObservable.build/Debug-linux-x86_64/AsyncObservableUserDefaults-t.build/Objects-normal/x86_64/AsyncObservableUserDefaults.swiftdeps -serialize-diagnostics-path /host/spi-builder-workspace/.build/out/Intermediates.noindex/AsyncObservable.build/Debug-linux-x86_64/AsyncObservableUserDefaults-t.build/Objects-normal/x86_64/AsyncObservableUserDefaults.dia -target x86_64-unknown-linux-gnu -disable-objc-interop -I /host/spi-builder-workspace/.build/out/Products/Debug-linux-x86_64 -module-cache-path /host/spi-builder-workspace/.build/out/ModuleCache.noindex -color-diagnostics -Xcc -fcolor-diagnostics -enable-testing -g -debug-info-format=dwarf -dwarf-version=4 -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 -external-plugin-path /usr/lib/swift/host/plugins/testing#/usr/bin/swift-plugin-server -validate-clang-modules-once -clang-build-session-file /host/spi-builder-workspace/.build/out/ModuleCache.noindex/Session.modulevalidation -Xcc -working-directory -Xcc /host -enable-anonymous-context-mangled-names -file-compilation-dir /host -Xcc -fno-omit-frame-pointer -Xcc -D_LIBCPP_HARDENING_MODE=_LIBCPP_HARDENING_MODE_DEBUG -Xcc -fmodules-prune-interval=86400 -Xcc -fmodules-prune-after=345600 -Xcc -I/host/spi-builder-workspace/.build/out/Products/Debug-linux-x86_64/include -Xcc -I/host/spi-builder-workspace/.build/out/Intermediates.noindex/AsyncObservable.build/Debug-linux-x86_64/AsyncObservableUserDefaults-t.build/DerivedSources-normal/x86_64 -Xcc -I/host/spi-builder-workspace/.build/out/Intermediates.noindex/AsyncObservable.build/Debug-linux-x86_64/AsyncObservableUserDefaults-t.build/DerivedSources/x86_64 -Xcc -I/host/spi-builder-workspace/.build/out/Intermediates.noindex/AsyncObservable.build/Debug-linux-x86_64/AsyncObservableUserDefaults-t.build/DerivedSources -Xcc -DSWIFT_PACKAGE -Xcc -DDEBUG=1 -no-auto-bridging-header-chaining -module-name AsyncObservableUserDefaults -package-name spi_builder_workspace -const-gather-protocols-file /host/spi-builder-workspace/.build/out/Intermediates.noindex/AsyncObservable.build/Debug-linux-x86_64/AsyncObservableUserDefaults-t.build/Objects-normal/x86_64/AsyncObservableUserDefaults_const_extract_protocols.json -in-process-plugin-server-path /usr/lib/swift/host/libSwiftInProcPluginServer.so -plugin-path /usr/lib/swift/host/plugins -plugin-path /usr/local/lib/swift/host/plugins -parse-as-library -o /host/spi-builder-workspace/.build/out/Intermediates.noindex/AsyncObservable.build/Debug-linux-x86_64/AsyncObservableUserDefaults-t.build/Objects-normal/x86_64/AsyncObservableUserDefaults.o -index-unit-output-path /AsyncObservable.build/Debug-linux-x86_64/AsyncObservableUserDefaults-t.build/Objects-normal/x86_64/AsyncObservableUserDefaults.o -index-store-path /host/spi-builder-workspace/.build/out -index-system-modules
1.	Swift version 6.4.2-dev (LLVM 15622a86b1749a9, Swift d2e983b81b18217)
2.	Compiling with effective version 5.10
3.	While evaluating request TypeCheckPrimaryFileRequest(source_file "/host/spi-builder-workspace/Sources/AsyncObservableUserDefaults/AsyncObservableUserDefaults.swift")
4.	While evaluating request TypeCheckFunctionBodyRequest(AsyncObservableUserDefaults.(file).AsyncObservableUserDefaults.init(key:initialValue:userDefaults:serialQueue:saveImmediately:)@/host/spi-builder-workspace/Sources/AsyncObservableUserDefaults/AsyncObservableUserDefaults.swift:42:10)
5.	While type-checking statement at [/host/spi-builder-workspace/Sources/AsyncObservableUserDefaults/AsyncObservableUserDefaults.swift:48:5 - line:61:3] RangeText="{
    var _initialValue = initialValue
    self.userDefaults = userDefaults
    let data = userDefaults.data(forKey: key)
    if let data, let value = try? JSONDecoder().decode(T.self, from: data) {
      _initialValue = value
    }
    self.key = key
    super.init(_initialValue, serialQueue: serialQueue)
    if saveImmediately && data == nil {
      save(initialValue, forKey: key)
    }
  "
6.	While type-checking expression at [/host/spi-builder-workspace/Sources/AsyncObservableUserDefaults/AsyncObservableUserDefaults.swift:57:5 - line:57:55] RangeText="super.init(_initialValue, serialQueue: serialQueue"
7.	While type-checking-target starting at /host/spi-builder-workspace/Sources/AsyncObservableUserDefaults/AsyncObservableUserDefaults.swift:57:11
8.	While evaluating request DefaultArgumentTypeRequest(AsyncObservable.(file).AsyncObservable.init(_:bufferingPolicy:serialQueue:).bufferingPolicy)
9.	While evaluating request DefaultArgumentExprRequest(AsyncObservable.(file).AsyncObservable.init(_:bufferingPolicy:serialQueue:).bufferingPolicy)
 #0 0x000060459f3afd98 llvm::sys::PrintStackTrace(llvm::raw_ostream&, int) (/usr/bin/swift-frontend+0x8bb1d98)
 #1 0x000060459f3ad585 llvm::sys::RunSignalHandlers() (/usr/bin/swift-frontend+0x8baf585)
 #2 0x000060459f3b0b41 SignalHandler(int, siginfo_t*, void*) Signals.cpp:0:0
 #3 0x0000734cedb4a520 (/lib/x86_64-linux-gnu/libc.so.6+0x42520)
 #4 0x0000734cedb9e9bc pthread_kill (/lib/x86_64-linux-gnu/libc.so.6+0x969bc)
 #5 0x0000734cedb4a476 gsignal (/lib/x86_64-linux-gnu/libc.so.6+0x42476)
 #6 0x0000734cedb307f3 abort (/lib/x86_64-linux-gnu/libc.so.6+0x287f3)
 #7 0x0000734cedb3071b (/lib/x86_64-linux-gnu/libc.so.6+0x2871b)
 #8 0x0000734cedb41e96 (/lib/x86_64-linux-gnu/libc.so.6+0x39e96)
 #9 0x00006045989d22cc swift::DefaultArgumentExprRequest::evaluate(swift::Evaluator&, swift::ParamDecl*) const (/usr/bin/swift-frontend+0x21d42cc)
#10 0x000060459915444f swift::DefaultArgumentExprRequest::OutputType swift::Evaluator::getResultUncached<swift::DefaultArgumentExprRequest, swift::DefaultArgumentExprRequest::OutputType swift::evaluateOrDefault<swift::DefaultArgumentExprRequest>(swift::Evaluator&, swift::DefaultArgumentExprRequest, swift::DefaultArgumentExprRequest::OutputType)::'lambda'()>(swift::DefaultArgumentExprRequest const&, swift::DefaultArgumentExprRequest::OutputType swift::evaluateOrDefault<swift::DefaultArgumentExprRequest>(swift::Evaluator&, swift::DefaultArgumentExprRequest, swift::DefaultArgumentExprRequest::OutputType)::'lambda'()) crtstuff.c:0:0
#11 0x00006045990ac22b swift::ParamDecl::getTypeCheckedDefaultExpr() const (/usr/bin/swift-frontend+0x28ae22b)
#12 0x00006045989d2379 swift::DefaultArgumentTypeRequest::evaluate(swift::Evaluator&, swift::ParamDecl*) const (/usr/bin/swift-frontend+0x21d4379)
#13 0x0000604599155b0f swift::DefaultArgumentTypeRequest::OutputType swift::Evaluator::getResultUncached<swift::DefaultArgumentTypeRequest, swift::DefaultArgumentTypeRequest::OutputType swift::evaluateOrDefault<swift::DefaultArgumentTypeRequest>(swift::Evaluator&, swift::DefaultArgumentTypeRequest, swift::DefaultArgumentTypeRequest::OutputType)::'lambda'()>(swift::DefaultArgumentTypeRequest const&, swift::DefaultArgumentTypeRequest::OutputType swift::evaluateOrDefault<swift::DefaultArgumentTypeRequest>(swift::Evaluator&, swift::DefaultArgumentTypeRequest, swift::DefaultArgumentTypeRequest::OutputType)::'lambda'()) crtstuff.c:0:0
#14 0x00006045990ac307 swift::ParamDecl::getTypeOfDefaultExpr() const (/usr/bin/swift-frontend+0x28ae307)
#15 0x000060459879cd37 matchCallArguments(swift::constraints::ConstraintSystem&, swift::FunctionType*, swift::ArgumentList*, llvm::ArrayRef<swift::AnyFunctionType::Param>, llvm::ArrayRef<swift::AnyFunctionType::Param>, swift::constraints::ConstraintKind, swift::constraints::ConstraintLocatorBuilder, std::optional<swift::constraints::TrailingClosureMatching>, llvm::SmallVectorImpl<std::pair<swift::TypeVariableType*, swift::ExistentialArchetypeType*>>&) CSSimplify.cpp:0:0
#16 0x000060459879abfe swift::constraints::ConstraintSystem::simplifyApplicableFnConstraint(swift::FunctionType*, swift::Type, std::optional<swift::constraints::TrailingClosureMatching>, swift::DeclContext*, swift::optionset::OptionSet<swift::constraints::ConstraintSystem::TypeMatchFlags, unsigned int>, swift::constraints::ConstraintLocatorBuilder) (/usr/bin/swift-frontend+0x1f9cbfe)
#17 0x000060459878a0fe swift::constraints::ConstraintSystem::addApplicationConstraint(swift::FunctionType*, swift::Type, std::optional<swift::constraints::TrailingClosureMatching>, swift::DeclContext*, swift::constraints::ConstraintLocatorBuilder) (/usr/bin/swift-frontend+0x1f8c0fe)
#18 0x000060459875923f (anonymous namespace)::ConstraintGenerator::visitApplyExpr(swift::ApplyExpr*) CSGen.cpp:0:0
#19 0x00006045987472fa (anonymous namespace)::ConstraintWalker::walkToExprPost(swift::Expr*) CSGen.cpp:0:0
#20 0x0000604598ffbbf6 (anonymous namespace)::Traversal::doIt(swift::Expr*) ASTWalker.cpp:0:0
#21 0x0000604598ffbbc0 (anonymous namespace)::Traversal::doIt(swift::Expr*) ASTWalker.cpp:0:0
#22 0x0000604598ffbb03 swift::Expr::walk(swift::ASTWalker&) (/usr/bin/swift-frontend+0x27fdb03)
#23 0x000060459874265e swift::constraints::ConstraintSystem::generateConstraints(swift::Expr*, swift::DeclContext*) (/usr/bin/swift-frontend+0x1f4465e)
#24 0x000060459874104b swift::constraints::ConstraintSystem::generateConstraints(swift::constraints::SyntacticElementTarget&, swift::FreeTypeVariableBinding) (/usr/bin/swift-frontend+0x1f4304b)
#25 0x00006045987c3940 swift::constraints::ConstraintSystem::solveImpl(swift::constraints::SyntacticElementTarget&, swift::FreeTypeVariableBinding) (/usr/bin/swift-frontend+0x1fc5940)
#26 0x00006045987c3256 swift::constraints::ConstraintSystem::solve(swift::constraints::SyntacticElementTarget&, swift::FreeTypeVariableBinding) (/usr/bin/swift-frontend+0x1fc5256)
#27 0x0000604598985fb5 swift::TypeChecker::typeCheckTarget(swift::constraints::SyntacticElementTarget&, swift::optionset::OptionSet<swift::TypeCheckExprFlags, unsigned int>, swift::DiagnosticTransaction*) (/usr/bin/swift-frontend+0x2187fb5)
#28 0x0000604598985e31 swift::TypeChecker::typeCheckExpression(swift::constraints::SyntacticElementTarget&, swift::optionset::OptionSet<swift::TypeCheckExprFlags, unsigned int>, swift::DiagnosticTransaction*) (/usr/bin/swift-frontend+0x2187e31)
#29 0x0000604598985d06 swift::TypeChecker::typeCheckExpression(swift::Expr*&, swift::DeclContext*, swift::constraints::ContextualTypeInfo, swift::optionset::OptionSet<swift::TypeCheckExprFlags, unsigned int>) (/usr/bin/swift-frontend+0x2187d06)
#30 0x0000604598a8aecb (anonymous namespace)::StmtChecker::typeCheckASTNode(swift::ASTNode&) TypeCheckStmt.cpp:0:0
#31 0x0000604598a917ac swift::ASTVisitor<(anonymous namespace)::StmtChecker, void, swift::Stmt*, void, void, void, void>::visit(swift::Stmt*) TypeCheckStmt.cpp:0:0
#32 0x0000604598a93ffc bool (anonymous namespace)::StmtChecker::typeCheckStmt<swift::BraceStmt>(swift::BraceStmt*&) TypeCheckStmt.cpp:0:0
#33 0x0000604598a8c6a4 (anonymous namespace)::StmtChecker::typeCheckBody(swift::BraceStmt*&) TypeCheckStmt.cpp:0:0
#34 0x0000604598a8c2d7 swift::TypeCheckFunctionBodyRequest::evaluate(swift::Evaluator&, swift::AbstractFunctionDecl*) const (/usr/bin/swift-frontend+0x228e2d7)
#35 0x000060459916117e 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'()) crtstuff.c:0:0
#36 0x00006045990aef99 swift::AbstractFunctionDecl::getTypecheckedBody() const (/usr/bin/swift-frontend+0x28b0f99)
#37 0x0000604599247108 swift::SourceFile::typeCheckDelayedFunctions() (/usr/bin/swift-frontend+0x2a49108)
#38 0x0000604598b0b64d swift::TypeCheckPrimaryFileRequest::evaluate(swift::Evaluator&, swift::SourceFile*) const (/usr/bin/swift-frontend+0x230d64d)
#39 0x0000604598b0ff0b 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'()) crtstuff.c:0:0
#40 0x0000604598b0b498 swift::performTypeChecking(swift::SourceFile&) (/usr/bin/swift-frontend+0x230d498)
#41 0x00006045975ce5f9 bool llvm::function_ref<bool (swift::SourceFile&)>::callback_fn<swift::CompilerInstance::performSema()::$_10>(long, swift::SourceFile&) Frontend.cpp:0:0
#42 0x00006045975c469a swift::CompilerInstance::forEachFileToTypeCheck(llvm::function_ref<bool (swift::SourceFile&)>) (/usr/bin/swift-frontend+0xdc669a)
#43 0x00006045975c447b swift::CompilerInstance::performSema() (/usr/bin/swift-frontend+0xdc647b)
#44 0x000060459722cf72 withSemanticAnalysis(swift::CompilerInstance&, swift::FrontendObserver*, llvm::function_ref<bool (swift::CompilerInstance&)>, bool) FrontendTool.cpp:0:0
#45 0x000060459721aaa9 performCompile(swift::CompilerInstance&, int&, swift::FrontendObserver*, llvm::ArrayRef<char const*>) FrontendTool.cpp:0:0
#46 0x00006045972176ee swift::performFrontend(llvm::ArrayRef<char const*>, char const*, void*, swift::FrontendObserver*) (/usr/bin/swift-frontend+0xa196ee)
#47 0x0000604596f2fba8 swift::mainEntry(int, char const**) (/usr/bin/swift-frontend+0x731ba8)
#48 0x0000734cedb31d90 (/lib/x86_64-linux-gnu/libc.so.6+0x29d90)
#49 0x0000734cedb31e40 __libc_start_main (/lib/x86_64-linux-gnu/libc.so.6+0x29e40)
#50 0x0000604596f2ea65 _start (/usr/bin/swift-frontend+0x730a65)
*** Signal 6: Backtracing from 0x734cedc269dd... done ***
*** Program crashed: Aborted at 0x0000734cedc269dd ***
Platform: x86_64 Linux (Ubuntu 22.04.5 LTS)
Thread 0 "swift-frontend" crashed:
0  0x0000734cedc269dd <unknown> in libc.so.6
Registers:
rax 0x0000000000000000  0
rdx 0x0000000000000006  6
rcx 0x0000734cedc269dd  48 3d 01 f0 ff ff 73 01 c3 48 8b 0d 23 b4 0f 00  H=·ðÿÿs·ÃH··#´··
rbx 0x0000000000000006  6
rsi 0x000000000000007b  123
rdi 0x000000000000007b  123
rbp 0x000000000000007b  123
rsp 0x00006045b7559068  6b 0b 3b 9f 45 60 00 00 f0 92 55 b7 45 60 00 00  k·;·E`··ð·U·E`··
 r8 0x00006045b75592f0  06 00 00 00 00 00 00 00 fa ff ff ff 00 00 00 00  ········úÿÿÿ····
 r9 0x00006045b75592f0  06 00 00 00 00 00 00 00 fa ff ff ff 00 00 00 00  ········úÿÿÿ····
r10 0x00006045b75592f0  06 00 00 00 00 00 00 00 fa ff ff ff 00 00 00 00  ········úÿÿÿ····
r11 0x0000000000000246  582
r12 0x0000000000000006  6
r13 0x0000000000000016  22
r14 0x0000000000000000  0
r15 0x00006045b7559108  ff ff ff 7f fe ff ff ff 00 00 00 00 00 00 00 00  ÿÿÿ·þÿÿÿ········
rip 0x0000734cedc269dd  48 3d 01 f0 ff ff 73 01 c3 48 8b 0d 23 b4 0f 00  H=·ðÿÿs·ÃH··#´··
rflags 0x0000000000000246  ZF PF
cs 0x0033  fs 0x0000  gs 0x0000
Images (37 omitted):
0x0000734cedb08000–0x0000734cedcc4401 6a6cb5a80fd5e5bb5bf3aeaa111add98e88843a5 libc.so.6 /usr/lib/x86_64-linux-gnu/libc.so.6
Backtrace took 0.00s
Failed frontend command:
/usr/bin/swift-frontend -frontend -c -primary-file /host/spi-builder-workspace/Sources/AsyncObservableUserDefaults/AsyncObservableUserDefaults.swift -emit-dependencies-path /host/spi-builder-workspace/.build/out/Intermediates.noindex/AsyncObservable.build/Debug-linux-x86_64/AsyncObservableUserDefaults-t.build/Objects-normal/x86_64/AsyncObservableUserDefaults.d -emit-const-values-path /host/spi-builder-workspace/.build/out/Intermediates.noindex/AsyncObservable.build/Debug-linux-x86_64/AsyncObservableUserDefaults-t.build/Objects-normal/x86_64/AsyncObservableUserDefaults.swiftconstvalues -emit-reference-dependencies-path /host/spi-builder-workspace/.build/out/Intermediates.noindex/AsyncObservable.build/Debug-linux-x86_64/AsyncObservableUserDefaults-t.build/Objects-normal/x86_64/AsyncObservableUserDefaults.swiftdeps -serialize-diagnostics-path /host/spi-builder-workspace/.build/out/Intermediates.noindex/AsyncObservable.build/Debug-linux-x86_64/AsyncObservableUserDefaults-t.build/Objects-normal/x86_64/AsyncObservableUserDefaults.dia -target x86_64-unknown-linux-gnu -disable-objc-interop -I /host/spi-builder-workspace/.build/out/Products/Debug-linux-x86_64 -module-cache-path /host/spi-builder-workspace/.build/out/ModuleCache.noindex -color-diagnostics -Xcc -fcolor-diagnostics -enable-testing -g -debug-info-format\=dwarf -dwarf-version\=4 -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 -external-plugin-path /usr/lib/swift/host/plugins/testing\#/usr/bin/swift-plugin-server -validate-clang-modules-once -clang-build-session-file /host/spi-builder-workspace/.build/out/ModuleCache.noindex/Session.modulevalidation -Xcc -working-directory -Xcc /host -enable-anonymous-context-mangled-names -file-compilation-dir /host -Xcc -fno-omit-frame-pointer -Xcc -D_LIBCPP_HARDENING_MODE\=_LIBCPP_HARDENING_MODE_DEBUG -Xcc -fmodules-prune-interval\=86400 -Xcc -fmodules-prune-after\=345600 -Xcc -I/host/spi-builder-workspace/.build/out/Products/Debug-linux-x86_64/include -Xcc -I/host/spi-builder-workspace/.build/out/Intermediates.noindex/AsyncObservable.build/Debug-linux-x86_64/AsyncObservableUserDefaults-t.build/DerivedSources-normal/x86_64 -Xcc -I/host/spi-builder-workspace/.build/out/Intermediates.noindex/AsyncObservable.build/Debug-linux-x86_64/AsyncObservableUserDefaults-t.build/DerivedSources/x86_64 -Xcc -I/host/spi-builder-workspace/.build/out/Intermediates.noindex/AsyncObservable.build/Debug-linux-x86_64/AsyncObservableUserDefaults-t.build/DerivedSources -Xcc -DSWIFT_PACKAGE -Xcc -DDEBUG\=1 -no-auto-bridging-header-chaining -module-name AsyncObservableUserDefaults -package-name spi_builder_workspace -const-gather-protocols-file /host/spi-builder-workspace/.build/out/Intermediates.noindex/AsyncObservable.build/Debug-linux-x86_64/AsyncObservableUserDefaults-t.build/Objects-normal/x86_64/AsyncObservableUserDefaults_const_extract_protocols.json -in-process-plugin-server-path /usr/lib/swift/host/libSwiftInProcPluginServer.so -plugin-path /usr/lib/swift/host/plugins -plugin-path /usr/local/lib/swift/host/plugins -parse-as-library -o /host/spi-builder-workspace/.build/out/Intermediates.noindex/AsyncObservable.build/Debug-linux-x86_64/AsyncObservableUserDefaults-t.build/Objects-normal/x86_64/AsyncObservableUserDefaults.o -index-unit-output-path /AsyncObservable.build/Debug-linux-x86_64/AsyncObservableUserDefaults-t.build/Objects-normal/x86_64/AsyncObservableUserDefaults.o -index-store-path /host/spi-builder-workspace/.build/out -index-system-modules
error: Build failed
BUILD FAILURE 6.4 linux