Swift Package IndexBuild Information
Failed to build Thales, reference v0.4.2 (77952d), with Swift 6.2 for Wasm on 9 Apr 2026 21:23:01 UTC.
Build Command
bash -c docker run --pull=always --rm -v "checkouts-4609320-1":/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-6.2-latest swift build --swift-sdk wasm32-unknown-wasip1 2>&1Build Log
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RunAll
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Builder version: 4.69.2
Interrupt handler set up.
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Checkout
========================================
Clone URL: https://github.com/ChrisGVE/thales.git
Reference: v0.4.2
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
* tag v0.4.2 -> FETCH_HEAD
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 v0.4.2
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Build
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Selected platform: wasm
Swift version: 6.2
Building package at path: $PWD
https://github.com/ChrisGVE/thales.git
Running build ...
bash -c docker run --pull=always --rm -v "checkouts-4609320-1":/host -w "$PWD" -e JAVA_HOME="/root/.sdkman/candidates/java/current" -e SPI_BUILD="1" -e SPI_PROCESSING="1" registry.gitlab.com/swiftpackageindex/spi-images:wasm-6.2-latest swift build --swift-sdk wasm32-unknown-wasip1 2>&1
wasm-6.2-latest: Pulling from swiftpackageindex/spi-images
Digest: sha256:2a8b2d9e022a9894c61e0736af7cdaa1ee64c002dbb133a55c0d7e8980b3ad16
Status: Image is up to date for registry.gitlab.com/swiftpackageindex/spi-images:wasm-6.2-latest
warning: multiple Swift SDKs match target triple `wasm32-unknown-wasip1` and host triple x86_64-unknown-linux-gnu, selected one at /root/.swiftpm/swift-sdks/swift-6.2-RELEASE_wasm.artifactbundle/swift-6.2-RELEASE_wasm/wasm32-unknown-wasip1/swift-sdk.json
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-6.2-RELEASE_wasm.artifactbundle/swift-6.2-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-6.2-RELEASE_wasm.artifactbundle/swift-6.2-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-6.2-RELEASE_wasm.artifactbundle/swift-6.2-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 6.2 (swift-6.2-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 0x000055f8b20b4b78 llvm::sys::PrintStackTrace(llvm::raw_ostream&, int) (/usr/bin/swift-frontend+0x72ebb78)
#1 0x000055f8b20b295e llvm::sys::RunSignalHandlers() (/usr/bin/swift-frontend+0x72e995e)
#2 0x000055f8b20b5211 SignalHandler(int, siginfo_t*, void*) Signals.cpp:0:0
#3 0x00007f7c4d5fa520 (/lib/x86_64-linux-gnu/libc.so.6+0x42520)
#4 0x00007f7c4d64e9fc pthread_kill (/lib/x86_64-linux-gnu/libc.so.6+0x969fc)
#5 0x00007f7c4d5fa476 gsignal (/lib/x86_64-linux-gnu/libc.so.6+0x42476)
#6 0x00007f7c4d5e07f3 abort (/lib/x86_64-linux-gnu/libc.so.6+0x287f3)
#7 0x000055f8abbf13fc (/usr/bin/swift-frontend+0xe283fc)
#8 0x000055f8b2014729 llvm::report_fatal_error(llvm::Twine const&, bool) (/usr/bin/swift-frontend+0x724b729)
#9 0x000055f8ae2af01c (anonymous namespace)::WebAssemblyAddMissingPrototypes::runOnModule(llvm::Module&) WebAssemblyAddMissingPrototypes.cpp:0:0
#10 0x000055f8b1ed6a25 llvm::legacy::PassManagerImpl::run(llvm::Module&) (/usr/bin/swift-frontend+0x710da25)
#11 0x000055f8abd390e6 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+0xf700e6)
#12 0x000055f8abd388c9 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+0xf6f8c9)
#13 0x000055f8ab949b22 generateCode(swift::CompilerInstance&, llvm::StringRef, llvm::Module*, llvm::GlobalVariable*) FrontendTool.cpp:0:0
#14 0x000055f8ab945408 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*) FrontendTool.cpp:0:0
#15 0x000055f8ab9440d3 swift::performCompileStepsPostSema(swift::CompilerInstance&, int&, swift::FrontendObserver*) (/usr/bin/swift-frontend+0xb7b0d3)
#16 0x000055f8ab946a1a performCompile(swift::CompilerInstance&, int&, swift::FrontendObserver*) FrontendTool.cpp:0:0
#17 0x000055f8ab945efa swift::performFrontend(llvm::ArrayRef<char const*>, char const*, void*, swift::FrontendObserver*) (/usr/bin/swift-frontend+0xb7cefa)
#18 0x000055f8ab6ec6da swift::mainEntry(int, char const**) (/usr/bin/swift-frontend+0x9236da)
#19 0x00007f7c4d5e1d90 (/lib/x86_64-linux-gnu/libc.so.6+0x29d90)
#20 0x00007f7c4d5e1e40 __libc_start_main (/lib/x86_64-linux-gnu/libc.so.6+0x29e40)
#21 0x000055f8ab6ebb35 _start (/usr/bin/swift-frontend+0x922b35)
BUILD FAILURE 6.2 wasm