Swift Package IndexBuild Information
Failed to build Echo, reference 0.0.1 (8a536c), with Swift 6.4 for Wasm on 20 Sep 2026 04:20:59 UTC.
Build Command
bash -c docker run --pull=always --rm -v "checkouts-54344844-1":/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:wasm-6.4-latest swift build --swift-sdk swift-6.4.x-DEVELOPMENT-SNAPSHOT-2026-09-04-a_wasm 2>&1Build Log
========================================
RunAll
========================================
Builder version: 5.1.0
Interrupt handler set up.
========================================
Checkout
========================================
Clone URL: https://github.com/ole/Echo.git
Reference: 0.0.1
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/ole/Echo
* tag 0.0.1 -> FETCH_HEAD
HEAD is now at 8a536c3 Fix travis build #3
Cloned https://github.com/ole/Echo.git
Revision (git rev-parse @):
8a536c35b154ba090aa490029e8ee9e77dd9ea99
SUCCESS checkout https://github.com/ole/Echo.git at 0.0.1
========================================
Build
========================================
Selected platform: wasm
Swift version: 6.4
Building package at path: $PWD
https://github.com/ole/Echo.git
Running build ...
bash -c docker run --pull=always --rm -v "checkouts-54344844-1":/host -w "$PWD" -e JAVA_HOME="/root/.sdkman/candidates/java/current" -e SPI_BUILD="1" -e SPI_PROCESSING="1" registry.gitlab.com/saguaro1/spi-images:wasm-6.4-latest swift build --swift-sdk swift-6.4.x-DEVELOPMENT-SNAPSHOT-2026-09-04-a_wasm 2>&1
wasm-6.4-latest: Pulling from saguaro1/spi-images
Digest: sha256:4328fdb43c680d205c1d6761b1e3267aa38277eefdda9ddfb17b6a0f1a77857a
Status: Image is up to date for registry.gitlab.com/saguaro1/spi-images:wasm-6.4-latest
Building for debugging...
[Constructing description]
[Planning 145 / 154]
[Planning deferred tasks]
[33 / 56] CEcho
[42 / 65] Echo
/host/spi-builder-workspace/Sources/Echo/Runtime/Functions.swift:26:2: [1;33mwarning: [1;39msymbol name 'swift_allocBox' is reserved for the Swift runtime and cannot be directly referenced without causing unpredictable behavior; this will become an error[0;0m
[0;36m24 |[0;0m }
[0;36m25 |[0;0m
[0;36m26 |[0;0m @_silgen_name("swift_allocBox")
[0;36m|[0;0m `- [1;33mwarning: [1;39msymbol name 'swift_allocBox' is reserved for the Swift runtime and cannot be directly referenced without causing unpredictable behavior; this will become an error[0;0m
[0;36m27 |[0;0m public func swift_allocBox(for type: Any.Type) -> BoxPair
[0;36m28 |[0;0m
/host/spi-builder-workspace/Sources/Echo/Runtime/Functions.swift:33:2: [1;33mwarning: [1;39msymbol name 'swift_makeBoxUnique' is reserved for the Swift runtime and cannot be directly referenced without causing unpredictable behavior; this will become an error[0;0m
[0;36m31 |[0;0m }
[0;36m32 |[0;0m
[0;36m33 |[0;0m @_silgen_name("swift_makeBoxUnique")
[0;36m|[0;0m `- [1;33mwarning: [1;39msymbol name 'swift_makeBoxUnique' is reserved for the Swift runtime and cannot be directly referenced without causing unpredictable behavior; this will become an error[0;0m
[0;36m34 |[0;0m func _swift_makeBoxUnique(
[0;36m35 |[0;0m for buffer: UnsafeRawPointer,
/host/spi-builder-workspace/Sources/Echo/Runtime/Functions.swift:26:2: [1;33mwarning: [1;39msymbol name 'swift_allocBox' is reserved for the Swift runtime and cannot be directly referenced without causing unpredictable behavior; this will become an error[0;0m
[0;36m24 |[0;0m }
[0;36m25 |[0;0m
[0;36m26 |[0;0m @_silgen_name("swift_allocBox")
[0;36m|[0;0m `- [1;33mwarning: [1;39msymbol name 'swift_allocBox' is reserved for the Swift runtime and cannot be directly referenced without causing unpredictable behavior; this will become an error[0;0m
[0;36m27 |[0;0m public func swift_allocBox(for type: Any.Type) -> BoxPair
[0;36m28 |[0;0m
/host/spi-builder-workspace/Sources/Echo/Runtime/Functions.swift:33:2: [1;33mwarning: [1;39msymbol name 'swift_makeBoxUnique' is reserved for the Swift runtime and cannot be directly referenced without causing unpredictable behavior; this will become an error[0;0m
[0;36m31 |[0;0m }
[0;36m32 |[0;0m
[0;36m33 |[0;0m @_silgen_name("swift_makeBoxUnique")
[0;36m|[0;0m `- [1;33mwarning: [1;39msymbol name 'swift_makeBoxUnique' is reserved for the Swift runtime and cannot be directly referenced without causing unpredictable behavior; this will become an error[0;0m
[0;36m34 |[0;0m func _swift_makeBoxUnique(
[0;36m35 |[0;0m for buffer: UnsafeRawPointer,
<unknown>:0: [1;31merror: [1;39mfatal error encountered during compilation; please submit a bug report (https://swift.org/contributing/#reporting-bugs)[0;0m
<unknown>:0: [1;39mnote: [1;39mFunctions with 'no-prototype' attribute must take varargs: getBuiltinInt1Metadata[0;0m
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 /host/spi-builder-workspace/Sources/Echo/ContextDescriptor/AnonymousDescriptor.swift /host/spi-builder-workspace/Sources/Echo/ContextDescriptor/ClassDescriptor.swift /host/spi-builder-workspace/Sources/Echo/ContextDescriptor/ContextDescriptor.swift /host/spi-builder-workspace/Sources/Echo/ContextDescriptor/ContextDescriptorValues.swift /host/spi-builder-workspace/Sources/Echo/ContextDescriptor/EnumDescriptor.swift /host/spi-builder-workspace/Sources/Echo/ContextDescriptor/ExtensionDescriptor.swift /host/spi-builder-workspace/Sources/Echo/ContextDescriptor/FieldDescriptor.swift /host/spi-builder-workspace/Sources/Echo/ContextDescriptor/GenericContext.swift /host/spi-builder-workspace/Sources/Echo/ContextDescriptor/ModuleDescriptor.swift /host/spi-builder-workspace/Sources/Echo/ContextDescriptor/ProtocolDescriptor.swift /host/spi-builder-workspace/Sources/Echo/ContextDescriptor/StructDescriptor.swift /host/spi-builder-workspace/Sources/Echo/ContextDescriptor/TypeContextDescriptor.swift /host/spi-builder-workspace/Sources/Echo/Echo.swift /host/spi-builder-workspace/Sources/Echo/Metadata/ClassMetadata.swift /host/spi-builder-workspace/Sources/Echo/Metadata/EnumMetadata.swift /host/spi-builder-workspace/Sources/Echo/Metadata/EnumValueWitnessTable.swift /host/spi-builder-workspace/Sources/Echo/Metadata/ExistentialMetadata.swift /host/spi-builder-workspace/Sources/Echo/Metadata/ExistentialMetatypeMetadata.swift /host/spi-builder-workspace/Sources/Echo/Metadata/ForeignClassMetadata.swift /host/spi-builder-workspace/Sources/Echo/Metadata/FunctionMetadata.swift /host/spi-builder-workspace/Sources/Echo/Metadata/HeapGenericLocalVariableMetadata.swift /host/spi-builder-workspace/Sources/Echo/Metadata/HeapLocalVariableMetadata.swift /host/spi-builder-workspace/Sources/Echo/Metadata/Metadata.swift /host/spi-builder-workspace/Sources/Echo/Metadata/MetadataAccessFunction.swift /host/spi-builder-workspace/Sources/Echo/Metadata/MetadataRequest.swift /host/spi-builder-workspace/Sources/Echo/Metadata/MetadataValues.swift /host/spi-builder-workspace/Sources/Echo/Metadata/MetatypeMetadata.swift /host/spi-builder-workspace/Sources/Echo/Metadata/ObjCClassWrapperMetadata.swift /host/spi-builder-workspace/Sources/Echo/Metadata/OpaqueMetadata.swift /host/spi-builder-workspace/Sources/Echo/Metadata/StructMetadata.swift /host/spi-builder-workspace/Sources/Echo/Metadata/TupleMetadata.swift /host/spi-builder-workspace/Sources/Echo/Metadata/TypeMetadata.swift /host/spi-builder-workspace/Sources/Echo/Metadata/ValueWitnessTable.swift /host/spi-builder-workspace/Sources/Echo/Runtime/ExistentialContainer.swift -primary-file /host/spi-builder-workspace/Sources/Echo/Runtime/Functions.swift -primary-file /host/spi-builder-workspace/Sources/Echo/Runtime/HeapObject.swift -primary-file /host/spi-builder-workspace/Sources/Echo/Runtime/KnownMetadata.swift -primary-file /host/spi-builder-workspace/Sources/Echo/Utils/FieldType.swift -primary-file /host/spi-builder-workspace/Sources/Echo/Utils/Misc.swift /host/spi-builder-workspace/Sources/Echo/Utils/RelativeDirectPointer.swift /host/spi-builder-workspace/Sources/Echo/Utils/RelativeIndirectPointer.swift /host/spi-builder-workspace/Sources/Echo/Utils/RelativeIndirectablePointer.swift /host/spi-builder-workspace/Sources/Echo/Utils/RelativeIndirectablePointerIntPair.swift /host/spi-builder-workspace/Sources/Echo/Utils/RelativePointer.swift -supplementary-output-file-map /host/spi-builder-workspace/.build/out/Intermediates.noindex/Echo.build/Debug-webassembly-wasm32/Echo-t.build/Objects-normal/wasm32/supplementaryOutputs-7 -target wasm32-unknown-wasip1 -disable-objc-interop -sdk /root/.swiftpm/swift-sdks/swift-6.4.x-DEVELOPMENT-SNAPSHOT-2026-09-04-a_wasm.artifactbundle/swift-6.4.x-DEVELOPMENT-SNAPSHOT-2026-09-04-a_wasm/wasm32-unknown-wasip1/WASI.sdk -sysroot /root/.swiftpm/swift-sdks/swift-6.4.x-DEVELOPMENT-SNAPSHOT-2026-09-04-a_wasm.artifactbundle/swift-6.4.x-DEVELOPMENT-SNAPSHOT-2026-09-04-a_wasm/wasm32-unknown-wasip1/WASI.sdk -I /host/spi-builder-workspace/.build/out/Products/Debug-webassembly-wasm32 -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 -resource-dir /root/.swiftpm/swift-sdks/swift-6.4.x-DEVELOPMENT-SNAPSHOT-2026-09-04-a_wasm.artifactbundle/swift-6.4.x-DEVELOPMENT-SNAPSHOT-2026-09-04-a_wasm/wasm32-unknown-wasip1/swift.xctoolchain/usr/lib/swift_static -use-static-resource-dir -enable-anonymous-context-mangled-names -file-compilation-dir /host -Xcc -resource-dir -Xcc /root/.swiftpm/swift-sdks/swift-6.4.x-DEVELOPMENT-SNAPSHOT-2026-09-04-a_wasm.artifactbundle/swift-6.4.x-DEVELOPMENT-SNAPSHOT-2026-09-04-a_wasm/wasm32-unknown-wasip1/swift.xctoolchain/usr/lib/swift_static/clang -Xcc -fmodule-map-file=/host/spi-builder-workspace/.build/out/Intermediates.noindex/GeneratedModuleMaps-webassembly-wasm32/CEcho.modulemap -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/Sources/CEcho/include -Xcc -I/host/spi-builder-workspace/.build/out/Products/Debug-webassembly-wasm32/include -Xcc -I/host/spi-builder-workspace/.build/out/Intermediates.noindex/Echo.build/Debug-webassembly-wasm32/Echo-t.build/DerivedSources-normal/wasm32 -Xcc -I/host/spi-builder-workspace/.build/out/Intermediates.noindex/Echo.build/Debug-webassembly-wasm32/Echo-t.build/DerivedSources/wasm32 -Xcc -I/host/spi-builder-workspace/.build/out/Intermediates.noindex/Echo.build/Debug-webassembly-wasm32/Echo-t.build/DerivedSources -Xcc -DSWIFT_PACKAGE -Xcc -DDEBUG=1 -no-auto-bridging-header-chaining -module-name Echo -const-gather-protocols-file /host/spi-builder-workspace/.build/out/Intermediates.noindex/Echo.build/Debug-webassembly-wasm32/Echo-t.build/Objects-normal/wasm32/Echo_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/Echo.build/Debug-webassembly-wasm32/Echo-t.build/Objects-normal/wasm32/Functions.o -o /host/spi-builder-workspace/.build/out/Intermediates.noindex/Echo.build/Debug-webassembly-wasm32/Echo-t.build/Objects-normal/wasm32/HeapObject.o -o /host/spi-builder-workspace/.build/out/Intermediates.noindex/Echo.build/Debug-webassembly-wasm32/Echo-t.build/Objects-normal/wasm32/KnownMetadata.o -o /host/spi-builder-workspace/.build/out/Intermediates.noindex/Echo.build/Debug-webassembly-wasm32/Echo-t.build/Objects-normal/wasm32/FieldType.o -o /host/spi-builder-workspace/.build/out/Intermediates.noindex/Echo.build/Debug-webassembly-wasm32/Echo-t.build/Objects-normal/wasm32/Misc.o -index-unit-output-path /Echo.build/Debug-webassembly-wasm32/Echo-t.build/Objects-normal/wasm32/Functions.o -index-unit-output-path /Echo.build/Debug-webassembly-wasm32/Echo-t.build/Objects-normal/wasm32/HeapObject.o -index-unit-output-path /Echo.build/Debug-webassembly-wasm32/Echo-t.build/Objects-normal/wasm32/KnownMetadata.o -index-unit-output-path /Echo.build/Debug-webassembly-wasm32/Echo-t.build/Objects-normal/wasm32/FieldType.o -index-unit-output-path /Echo.build/Debug-webassembly-wasm32/Echo-t.build/Objects-normal/wasm32/Misc.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. Running pass 'Add prototypes to prototypes-less functions' on module '/host/spi-builder-workspace/.build/out/Intermediates.noindex/Echo.build/Debug-webassembly-wasm32/Echo-t.build/Objects-normal/wasm32/KnownMetadata.o'.
#0 0x000063918b03ad98 llvm::sys::PrintStackTrace(llvm::raw_ostream&, int) (/usr/bin/swift-frontend+0x8bb1d98)
#1 0x000063918b038585 llvm::sys::RunSignalHandlers() (/usr/bin/swift-frontend+0x8baf585)
#2 0x000063918b03bb41 SignalHandler(int, siginfo_t*, void*) Signals.cpp:0:0
#3 0x000070a8ac78d520 (/lib/x86_64-linux-gnu/libc.so.6+0x42520)
#4 0x000070a8ac7e19bc pthread_kill (/lib/x86_64-linux-gnu/libc.so.6+0x969bc)
#5 0x000070a8ac78d476 gsignal (/lib/x86_64-linux-gnu/libc.so.6+0x42476)
#6 0x000070a8ac7737f3 abort (/lib/x86_64-linux-gnu/libc.so.6+0x287f3)
#7 0x00006391832401ab swift::DiagnosticHelper::Implementation::diagnoseFatalError(char const*, bool) crtstuff.c:0:0
#8 0x000063918af87466 llvm::report_fatal_error(llvm::Twine const&, bool) (/usr/bin/swift-frontend+0x8afe466)
#9 0x00006391861ef9ac (/usr/bin/swift-frontend+0x3d669ac)
#10 0x000063918acb83cc llvm::legacy::PassManagerImpl::run(llvm::Module&) (/usr/bin/swift-frontend+0x882f3cc)
#11 0x000063918339b1d1 swift::compileAndWriteLLVM(llvm::Module*, llvm::TargetMachine*, swift::IRGenOptions const&, swift::UnifiedStatsReporter*, swift::DiagnosticEngine&, llvm::raw_pwrite_stream&, llvm::sys::SmartMutex<false>*, llvm::raw_pwrite_stream*) (/usr/bin/swift-frontend+0xf121d1)
#12 0x000063918339a40b swift::performLLVM(swift::IRGenOptions const&, swift::DiagnosticEngine&, llvm::sys::SmartMutex<false>*, llvm::GlobalVariable*, llvm::Module*, llvm::TargetMachine*, llvm::IntrusiveRefCntPtr<llvm::vfs::FileSystem>, llvm::StringRef, llvm::vfs::OutputBackend&, swift::UnifiedStatsReporter*) (/usr/bin/swift-frontend+0xf1140b)
#13 0x0000639182ea976d generateCode(swift::CompilerInstance&, llvm::StringRef, llvm::Module*, llvm::GlobalVariable*) FrontendTool.cpp:0:0
#14 0x0000639182ea1961 performCompileStepsPostSILGen(swift::CompilerInstance&, std::unique_ptr<swift::SILModule, std::default_delete<swift::SILModule>>, llvm::PointerUnion<swift::ModuleDecl*, swift::SourceFile*>, swift::PrimarySpecificPaths const&, int&, swift::FrontendObserver*, llvm::ArrayRef<char const*>, llvm::ArrayRef<swift::PrimarySpecificPaths>) FrontendTool.cpp:0:0
#15 0x0000639182e9fc4f swift::performCompileStepsPostSema(swift::CompilerInstance&, int&, swift::FrontendObserver*, llvm::ArrayRef<char const*>) (/usr/bin/swift-frontend+0xa16c4f)
#16 0x0000639182eb7fda withSemanticAnalysis(swift::CompilerInstance&, swift::FrontendObserver*, llvm::function_ref<bool (swift::CompilerInstance&)>, bool) FrontendTool.cpp:0:0
#17 0x0000639182ea5aa9 performCompile(swift::CompilerInstance&, int&, swift::FrontendObserver*, llvm::ArrayRef<char const*>) FrontendTool.cpp:0:0
#18 0x0000639182ea26ee swift::performFrontend(llvm::ArrayRef<char const*>, char const*, void*, swift::FrontendObserver*) (/usr/bin/swift-frontend+0xa196ee)
#19 0x0000639182bbaba8 swift::mainEntry(int, char const**) (/usr/bin/swift-frontend+0x731ba8)
#20 0x000070a8ac774d90 (/lib/x86_64-linux-gnu/libc.so.6+0x29d90)
#21 0x000070a8ac774e40 __libc_start_main (/lib/x86_64-linux-gnu/libc.so.6+0x29e40)
#22 0x0000639182bb9a65 _start (/usr/bin/swift-frontend+0x730a65)
*** Signal 6: Backtracing from 0x70a8ac8699dd... done ***
*** Program crashed: Aborted at 0x000070a8ac8699dd ***
Platform: x86_64 Linux (Ubuntu 22.04.5 LTS)
Thread 0 "swift-frontend" crashed:
0 0x000070a8ac8699dd <unknown> in libc.so.6
Registers:
rax 0x0000000000000000 0
rdx 0x0000000000000006 6
rcx 0x000070a8ac8699dd 48 3d 01 f0 ff ff 73 01 c3 48 8b 0d 23 b4 0f 00 H=·ðÿÿs·ÃH··#´··
rbx 0x0000000000000006 6
rsi 0x0000000000000079 121
rdi 0x0000000000000079 121
rbp 0x0000000000000079 121
rsp 0x00006391a7c50068 6b bb 03 8b 91 63 00 00 f0 02 c5 a7 91 63 00 00 k»···c··ð·Å§·c··
r8 0x00006391a7c502f0 06 00 00 00 00 00 00 00 fa ff ff ff 00 00 00 00 ········úÿÿÿ····
r9 0x00006391a7c502f0 06 00 00 00 00 00 00 00 fa ff ff ff 00 00 00 00 ········úÿÿÿ····
r10 0x00006391a7c502f0 06 00 00 00 00 00 00 00 fa ff ff ff 00 00 00 00 ········úÿÿÿ····
r11 0x0000000000000246 582
r12 0x0000000000000000 0
r13 0x0000000000000000 0
r14 0x0000000000000000 0
r15 0x00006391a7c50078 01 03 01 00 00 00 00 00 79 e2 03 01 00 00 00 00 ········yâ······
rip 0x000070a8ac8699dd 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 (27 omitted):
0x000070a8ac74b000–0x000070a8ac907401 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 /host/spi-builder-workspace/Sources/Echo/ContextDescriptor/AnonymousDescriptor.swift /host/spi-builder-workspace/Sources/Echo/ContextDescriptor/ClassDescriptor.swift /host/spi-builder-workspace/Sources/Echo/ContextDescriptor/ContextDescriptor.swift /host/spi-builder-workspace/Sources/Echo/ContextDescriptor/ContextDescriptorValues.swift /host/spi-builder-workspace/Sources/Echo/ContextDescriptor/EnumDescriptor.swift /host/spi-builder-workspace/Sources/Echo/ContextDescriptor/ExtensionDescriptor.swift /host/spi-builder-workspace/Sources/Echo/ContextDescriptor/FieldDescriptor.swift /host/spi-builder-workspace/Sources/Echo/ContextDescriptor/GenericContext.swift /host/spi-builder-workspace/Sources/Echo/ContextDescriptor/ModuleDescriptor.swift /host/spi-builder-workspace/Sources/Echo/ContextDescriptor/ProtocolDescriptor.swift /host/spi-builder-workspace/Sources/Echo/ContextDescriptor/StructDescriptor.swift /host/spi-builder-workspace/Sources/Echo/ContextDescriptor/TypeContextDescriptor.swift /host/spi-builder-workspace/Sources/Echo/Echo.swift /host/spi-builder-workspace/Sources/Echo/Metadata/ClassMetadata.swift /host/spi-builder-workspace/Sources/Echo/Metadata/EnumMetadata.swift /host/spi-builder-workspace/Sources/Echo/Metadata/EnumValueWitnessTable.swift /host/spi-builder-workspace/Sources/Echo/Metadata/ExistentialMetadata.swift /host/spi-builder-workspace/Sources/Echo/Metadata/ExistentialMetatypeMetadata.swift /host/spi-builder-workspace/Sources/Echo/Metadata/ForeignClassMetadata.swift /host/spi-builder-workspace/Sources/Echo/Metadata/FunctionMetadata.swift /host/spi-builder-workspace/Sources/Echo/Metadata/HeapGenericLocalVariableMetadata.swift /host/spi-builder-workspace/Sources/Echo/Metadata/HeapLocalVariableMetadata.swift /host/spi-builder-workspace/Sources/Echo/Metadata/Metadata.swift /host/spi-builder-workspace/Sources/Echo/Metadata/MetadataAccessFunction.swift /host/spi-builder-workspace/Sources/Echo/Metadata/MetadataRequest.swift /host/spi-builder-workspace/Sources/Echo/Metadata/MetadataValues.swift /host/spi-builder-workspace/Sources/Echo/Metadata/MetatypeMetadata.swift /host/spi-builder-workspace/Sources/Echo/Metadata/ObjCClassWrapperMetadata.swift /host/spi-builder-workspace/Sources/Echo/Metadata/OpaqueMetadata.swift /host/spi-builder-workspace/Sources/Echo/Metadata/StructMetadata.swift /host/spi-builder-workspace/Sources/Echo/Metadata/TupleMetadata.swift /host/spi-builder-workspace/Sources/Echo/Metadata/TypeMetadata.swift /host/spi-builder-workspace/Sources/Echo/Metadata/ValueWitnessTable.swift /host/spi-builder-workspace/Sources/Echo/Runtime/ExistentialContainer.swift -primary-file /host/spi-builder-workspace/Sources/Echo/Runtime/Functions.swift -primary-file /host/spi-builder-workspace/Sources/Echo/Runtime/HeapObject.swift -primary-file /host/spi-builder-workspace/Sources/Echo/Runtime/KnownMetadata.swift -primary-file /host/spi-builder-workspace/Sources/Echo/Utils/FieldType.swift -primary-file /host/spi-builder-workspace/Sources/Echo/Utils/Misc.swift /host/spi-builder-workspace/Sources/Echo/Utils/RelativeDirectPointer.swift /host/spi-builder-workspace/Sources/Echo/Utils/RelativeIndirectPointer.swift /host/spi-builder-workspace/Sources/Echo/Utils/RelativeIndirectablePointer.swift /host/spi-builder-workspace/Sources/Echo/Utils/RelativeIndirectablePointerIntPair.swift /host/spi-builder-workspace/Sources/Echo/Utils/RelativePointer.swift -supplementary-output-file-map /host/spi-builder-workspace/.build/out/Intermediates.noindex/Echo.build/Debug-webassembly-wasm32/Echo-t.build/Objects-normal/wasm32/supplementaryOutputs-7 -target wasm32-unknown-wasip1 -disable-objc-interop -sdk /root/.swiftpm/swift-sdks/swift-6.4.x-DEVELOPMENT-SNAPSHOT-2026-09-04-a_wasm.artifactbundle/swift-6.4.x-DEVELOPMENT-SNAPSHOT-2026-09-04-a_wasm/wasm32-unknown-wasip1/WASI.sdk -sysroot 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error: Build failed
BUILD FAILURE 6.4 wasm