Build Information
Failed to build Thales, reference main (77952d), with Swift 6.3 for Wasm on 19 Apr 2026 21:57:17 UTC.
Build Command
bash -c docker run --pull=always --rm -v "checkouts-4606859-1":/host -w "$PWD" -e JAVA_HOME="/root/.sdkman/candidates/java/current" -e SPI_BUILD="1" -e SPI_PROCESSING="1" registry.gitlab.com/swiftpackageindex/spi-images:wasm-6.3-latest swift build --swift-sdk swift-6.3-RELEASE_wasm 2>&1Build Log
========================================
RunAll
========================================
Builder version: 4.70.0
Interrupt handler set up.
========================================
Checkout
========================================
Clone URL: https://github.com/ChrisGVE/thales.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/ChrisGVE/thales
* branch main -> FETCH_HEAD
* [new branch] main -> origin/main
HEAD is now at 77952dd Merge branch 'dev'
Cloned https://github.com/ChrisGVE/thales.git
Revision (git rev-parse @):
77952ddd4adb104a91e2f2e7d94a9c23a6f6c122
SPI manifest file found: $PWD/.spi.yml
SUCCESS checkout https://github.com/ChrisGVE/thales.git at main
========================================
Build
========================================
Selected platform: wasm
Swift version: 6.3
Building package at path: $PWD
https://github.com/ChrisGVE/thales.git
Running build ...
bash -c docker run --pull=always --rm -v "checkouts-4606859-1":/host -w "$PWD" -e JAVA_HOME="/root/.sdkman/candidates/java/current" -e SPI_BUILD="1" -e SPI_PROCESSING="1" registry.gitlab.com/swiftpackageindex/spi-images:wasm-6.3-latest swift build --swift-sdk swift-6.3-RELEASE_wasm 2>&1
wasm-6.3-latest: Pulling from swiftpackageindex/spi-images
Digest: sha256:d69f4e7582c319245442d62a08b2d7c7fd5a0c0c69f5d2ef11d1530cd8d3329b
Status: Image is up to date for registry.gitlab.com/swiftpackageindex/spi-images:wasm-6.3-latest
Building for debugging...
[0/3] Write sources
[1/3] Compiling ThalesBridge shim.c
[2/3] Write swift-version-24593BA9C3E375BF.txt
[4/7] Compiling Thales thales.swift
[5/7] Compiling Thales ThalesWrapper.swift
[6/7] Emitting module Thales
error: compile command failed due to signal 6 (use -v to see invocation)
<unknown>:0: error: fatal error encountered during compilation; please submit a bug report (https://swift.org/contributing/#reporting-bugs)
<unknown>:0: note: Functions with 'no-prototype' attribute must take varargs: __swift_bridge__$Vec_u8$new
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/swift/Sources/Thales/SwiftBridgeCore.swift /host/spi-builder-workspace/swift/Sources/Thales/ThalesWrapper.swift /host/spi-builder-workspace/swift/Sources/Thales/thales.swift -emit-dependencies-path /host/spi-builder-workspace/.build/wasm32-unknown-wasip1/debug/Thales.build/SwiftBridgeCore.d -emit-reference-dependencies-path /host/spi-builder-workspace/.build/wasm32-unknown-wasip1/debug/Thales.build/SwiftBridgeCore.swiftdeps -serialize-diagnostics-path /host/spi-builder-workspace/.build/wasm32-unknown-wasip1/debug/Thales.build/SwiftBridgeCore.dia -target wasm32-unknown-wasip1 -disable-objc-interop -sdk /root/.swiftpm/swift-sdks/swift-6.3-RELEASE_wasm.artifactbundle/swift-6.3-RELEASE_wasm/wasm32-unknown-wasip1/WASI.sdk -I /host/spi-builder-workspace/.build/wasm32-unknown-wasip1/debug/Modules -no-color-diagnostics -Xcc -fno-color-diagnostics -enable-testing -g -debug-info-format=dwarf -dwarf-version=4 -module-cache-path /host/spi-builder-workspace/.build/wasm32-unknown-wasip1/debug/ModuleCache -swift-version 5 -Onone -D SWIFT_PACKAGE -D DEBUG -D SWIFT_MODULE_RESOURCE_BUNDLE_UNAVAILABLE -empty-abi-descriptor -resource-dir /root/.swiftpm/swift-sdks/swift-6.3-RELEASE_wasm.artifactbundle/swift-6.3-RELEASE_wasm/wasm32-unknown-wasip1/swift.xctoolchain/usr/lib/swift_static -use-static-resource-dir -enable-anonymous-context-mangled-names -file-compilation-dir /host/spi-builder-workspace -Xcc -fmodule-map-file=/host/spi-builder-workspace/.build/wasm32-unknown-wasip1/debug/ThalesBridge.build/module.modulemap -Xcc -I -Xcc /host/spi-builder-workspace/swift/Sources/ThalesBridge/include -Xcc --sysroot -Xcc /root/.swiftpm/swift-sdks/swift-6.3-RELEASE_wasm.artifactbundle/swift-6.3-RELEASE_wasm/wasm32-unknown-wasip1/WASI.sdk -Xcc -g -no-auto-bridging-header-chaining -module-name Thales -package-name spi_builder_workspace -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/wasm32-unknown-wasip1/debug/Thales.build/SwiftBridgeCore.swift.o -index-store-path /host/spi-builder-workspace/.build/wasm32-unknown-wasip1/debug/index/store -index-system-modules
1. Swift version 6.3 (swift-6.3-RELEASE)
2. Compiling with effective version 5.10
3. Running pass 'Add prototypes to prototypes-less functions' on module '/host/spi-builder-workspace/.build/wasm32-unknown-wasip1/debug/Thales.build/SwiftBridgeCore.swift.o'.
#0 0x000056352ab628b8 llvm::sys::PrintStackTrace(llvm::raw_ostream&, int) (/usr/bin/swift-frontend+0x72e18b8)
#1 0x000056352ab603a5 llvm::sys::RunSignalHandlers() (/usr/bin/swift-frontend+0x72df3a5)
#2 0x000056352ab63601 SignalHandler(int, siginfo_t*, void*) Signals.cpp:0:0
#3 0x00007f6f0e67d520 (/lib/x86_64-linux-gnu/libc.so.6+0x42520)
#4 0x00007f6f0e6d19fc pthread_kill (/lib/x86_64-linux-gnu/libc.so.6+0x969fc)
#5 0x00007f6f0e67d476 gsignal (/lib/x86_64-linux-gnu/libc.so.6+0x42476)
#6 0x00007f6f0e6637f3 abort (/lib/x86_64-linux-gnu/libc.so.6+0x287f3)
#7 0x00005635244bf62f (/usr/bin/swift-frontend+0xc3e62f)
#8 0x000056352aabe1e6 llvm::report_fatal_error(llvm::Twine const&, bool) (/usr/bin/swift-frontend+0x723d1e6)
#9 0x0000563526bc9e9c (anonymous namespace)::WebAssemblyAddMissingPrototypes::runOnModule(llvm::Module&) WebAssemblyAddMissingPrototypes.cpp:0:0
#10 0x000056352a84b1ab llvm::legacy::PassManagerImpl::run(llvm::Module&) (/usr/bin/swift-frontend+0x6fca1ab)
#11 0x0000563524618c79 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+0xd97c79)
#12 0x0000563524618515 swift::performLLVM(swift::IRGenOptions const&, swift::DiagnosticEngine&, llvm::sys::SmartMutex<false>*, llvm::GlobalVariable*, llvm::Module*, llvm::TargetMachine*, llvm::StringRef, llvm::vfs::OutputBackend&, swift::UnifiedStatsReporter*) (/usr/bin/swift-frontend+0xd97515)
#13 0x00005635241e71bd generateCode(swift::CompilerInstance&, llvm::StringRef, llvm::Module*, llvm::GlobalVariable*) FrontendTool.cpp:0:0
#14 0x00005635241e0644 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*>) FrontendTool.cpp:0:0
#15 0x00005635241dee86 swift::performCompileStepsPostSema(swift::CompilerInstance&, int&, swift::FrontendObserver*, llvm::ArrayRef<char const*>) (/usr/bin/swift-frontend+0x95de86)
#16 0x00005635241e3c97 performCompile(swift::CompilerInstance&, int&, swift::FrontendObserver*, llvm::ArrayRef<char const*>) FrontendTool.cpp:0:0
#17 0x00005635241e12cf swift::performFrontend(llvm::ArrayRef<char const*>, char const*, void*, swift::FrontendObserver*) (/usr/bin/swift-frontend+0x9602cf)
#18 0x0000563523f57ad1 swift::mainEntry(int, char const**) (/usr/bin/swift-frontend+0x6d6ad1)
#19 0x00007f6f0e664d90 (/lib/x86_64-linux-gnu/libc.so.6+0x29d90)
#20 0x00007f6f0e664e40 __libc_start_main (/lib/x86_64-linux-gnu/libc.so.6+0x29e40)
#21 0x0000563523f56205 _start (/usr/bin/swift-frontend+0x6d5205)
*** Signal 6: Backtracing from 0x7f6f0e75990d... done ***
*** Program crashed: Aborted at 0x000000000000004e ***
Platform: x86_64 Linux (Ubuntu 22.04.5 LTS)
Thread 0 "swift-frontend" crashed:
0 0x00007f6f0e75990d <unknown> in libc.so.6
...
Registers:
rax 0x0000000000000000 0
rdx 0x0000000000000006 6
rcx 0x00007f6f0e75990d 48 3d 01 f0 ff ff 73 01 c3 48 8b 0d f3 b4 0f 00 H=·ðÿÿs·ÃH··ó´··
rbx 0x0000000000000006 6
rsi 0x000000000000004e 78
rdi 0x000000000000004e 78
rbp 0x000000000000004e 78
rsp 0x000056352e24a968 2b 36 b6 2a 35 56 00 00 f0 ab 24 2e 35 56 00 00 +6¶*5V··ð«$.5V··
r8 0x000056352e24abf0 06 00 00 00 00 00 00 00 fa ff ff ff 00 00 00 00 ········úÿÿÿ····
r9 0x000056352e24abf0 06 00 00 00 00 00 00 00 fa ff ff ff 00 00 00 00 ········úÿÿÿ····
r10 0x000056352e24abf0 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 0x000056352e24a978 01 08 00 00 00 00 00 00 cf b7 56 00 00 00 00 00 ········Ï·V·····
rip 0x00007f6f0e75990d 48 3d 01 f0 ff ff 73 01 c3 48 8b 0d f3 b4 0f 00 H=·ðÿÿs·ÃH··ó´··
rflags 0x0000000000000246 ZF PF
cs 0x0033 fs 0x0000 gs 0x0000
Images (26 omitted):
0x00007f6f0e63b000–0x00007f6f0e7f7401 095c7ba148aeca81668091f718047078d57efddb libc.so.6 /usr/lib/x86_64-linux-gnu/libc.so.6
Backtrace took 0.01s
BUILD FAILURE 6.3 wasm