Swift Package Index

Build Information

Failed to build MathLex, reference main (cf4633), with Swift 6.4 for Wasm on 25 Sep 2026 12:56:23 UTC.

Build Command

bash -c docker run --pull=always --rm -v "checkouts-53886770-0":/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

Build Log

========================================
RunAll
========================================
Builder version: 5.1.0
Interrupt handler set up.
========================================
Checkout
========================================
Clone URL: https://github.com/ChrisGVE/mathlex.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/mathlex
 * branch            main       -> FETCH_HEAD
 * [new branch]      main       -> origin/main
HEAD is now at cf4633d chore: bump version to 0.4.2 for Apache 2.0 license publish
Cloned https://github.com/ChrisGVE/mathlex.git
Revision (git rev-parse @):
cf4633dd5eac0b47dccfcb6a226005b3f088f7fa
SPI manifest file found: $PWD/.spi.yml
SUCCESS checkout https://github.com/ChrisGVE/mathlex.git at main
========================================
Build
========================================
Selected platform:         wasm
Swift version:             6.4
Building package at path:  $PWD
https://github.com/ChrisGVE/mathlex.git
Running build ...
bash -c docker run --pull=always --rm -v "checkouts-53886770-0":/host -w "$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...
[Pre-planning 1 / 125]
[24 / 41] MathLexRust
/host/spi-builder-workspace/Sources/MathLexRust/SwiftBridgeCore.swift:24:1: warning: extension declares a conformance of imported type 'RustStr' to imported protocol 'Identifiable'; this will not behave correctly if the owners of 'MathLexBridge' introduce this conformance in the future
  22 |   }
  23 | }
  24 | extension RustStr: Identifiable {
     | |- warning: extension declares a conformance of imported type 'RustStr' to imported protocol 'Identifiable'; this will not behave correctly if the owners of 'MathLexBridge' introduce this conformance in the future
     | `- note: add '@retroactive' to silence this warning
  25 |   public var id: String {
  26 |     self.toString()
/host/spi-builder-workspace/Sources/MathLexRust/SwiftBridgeCore.swift:29:1: warning: extension declares a conformance of imported type 'RustStr' to imported protocol 'Equatable';[29 / 44] MathLexRust
 this will not behave correctly if the owners of 'MathLexBridge' introduce this conformance in the future
  27 |   }
  28 | }
  29 | extension RustStr: Equatable {
     | |- warning: extension declares a conformance of imported type 'RustStr' to imported protocol 'Equatable'; this will not behave correctly if the owners of 'MathLexBridge' introduce this conformance in the future
     | `- note: add '@retroactive' to silence this warning
  30 |   public static func == (lhs: RustStr, rhs: RustStr) -> Bool {
  31 |     return __swift_bridge__$RustStr$partial_eq(lhs, rhs)
[42 / 47] MathLexRust
[42 / 47] MathLex
[44 / 48] MathLexRust
/host/spi-builder-workspace/Sources/MathLexRust/SwiftBridgeCore.swift:24:1: warning: extension declares a conformance of imported type 'RustStr' to imported protocol 'Identifiable'; this will not behave correctly if the owners of 'MathLexBridge' introduce this conformance in the future
  22 |   }
  23 | }
  24 | extension RustStr: Identifiable {
     | |- warning: extension declares a conformance of imported type 'RustStr' to imported protocol 'Identifiable'; this will not behave correctly if the owners of 'MathLexBridge' introduce this conformance in the future
     | `- note: add '@retroactive' to silence this warning
  25 |   public var id: String {
  26 |     self.toString()
/host/spi-builder-workspace/Sources/MathLexRust/SwiftBridgeCore.swift:29:1: warning: extension declares a conformance of imported type 'RustStr' to imported protocol 'Equatable'; this will not behave correctly if the owners of 'MathLexBridge' introduce this conformance in the future
  27 |   }
  28 | }
  29 | extension RustStr: Equatable {
     | |- warning: extension declares a conformance of imported type 'RustStr' to imported protocol 'Equatable'; this will not behave correctly if the owners of 'MathLexBridge' introduce this conformance in the future
     | `- note: add '@retroactive' to silence this warning
  30 |   public static func == (lhs: RustStr, rhs: RustStr) -> Bool {
  31 |     return __swift_bridge__$RustStr$partial_eq(lhs, rhs)
<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/Sources/MathLexRust/SwiftBridgeCore.swift /host/spi-builder-workspace/Sources/MathLexRust/mathlex.swift -emit-dependencies-path /host/spi-builder-workspace/.build/out/Intermediates.noindex/MathLex.build/Debug-webassembly-wasm32/MathLexRust-t.build/Objects-normal/wasm32/SwiftBridgeCore.d -emit-const-values-path /host/spi-builder-workspace/.build/out/Intermediates.noindex/MathLex.build/Debug-webassembly-wasm32/MathLexRust-t.build/Objects-normal/wasm32/SwiftBridgeCore.swiftconstvalues -emit-reference-dependencies-path /host/spi-builder-workspace/.build/out/Intermediates.noindex/MathLex.build/Debug-webassembly-wasm32/MathLexRust-t.build/Objects-normal/wasm32/SwiftBridgeCore.swiftdeps -serialize-diagnostics-path /host/spi-builder-workspace/.build/out/Intermediates.noindex/MathLex.build/Debug-webassembly-wasm32/MathLexRust-t.build/Objects-normal/wasm32/SwiftBridgeCore.dia -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/Sources/MathLexBridge/include/module.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/MathLexBridge/include -Xcc -I/host/spi-builder-workspace/.build/out/Products/Debug-webassembly-wasm32/include -Xcc -I/host/spi-builder-workspace/.build/out/Intermediates.noindex/MathLex.build/Debug-webassembly-wasm32/MathLexRust-t.build/DerivedSources-normal/wasm32 -Xcc -I/host/spi-builder-workspace/.build/out/Intermediates.noindex/MathLex.build/Debug-webassembly-wasm32/MathLexRust-t.build/DerivedSources/wasm32 -Xcc -I/host/spi-builder-workspace/.build/out/Intermediates.noindex/MathLex.build/Debug-webassembly-wasm32/MathLexRust-t.build/DerivedSources -Xcc -DSWIFT_PACKAGE -Xcc -DDEBUG=1 -no-auto-bridging-header-chaining -module-name MathLexRust -package-name spi_builder_workspace -const-gather-protocols-file /host/spi-builder-workspace/.build/out/Intermediates.noindex/MathLex.build/Debug-webassembly-wasm32/MathLexRust-t.build/Objects-normal/wasm32/MathLexRust_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/MathLex.build/Debug-webassembly-wasm32/MathLexRust-t.build/Objects-normal/wasm32/SwiftBridgeCore.o -index-unit-output-path /MathLex.build/Debug-webassembly-wasm32/MathLexRust-t.build/Objects-normal/wasm32/SwiftBridgeCore.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/MathLex.build/Debug-webassembly-wasm32/MathLexRust-t.build/Objects-normal/wasm32/SwiftBridgeCore.o'.
 #0 0x000064ba73282d98 llvm::sys::PrintStackTrace(llvm::raw_ostream&, int) (/usr/bin/swift-frontend+0x8bb1d98)
 #1 0x000064ba73280585 llvm::sys::RunSignalHandlers() (/usr/bin/swift-frontend+0x8baf585)
 #2 0x000064ba73283b41 SignalHandler(int, siginfo_t*, void*) Signals.cpp:0:0
 #3 0x00007e54aec5a520 (/lib/x86_64-linux-gnu/libc.so.6+0x42520)
 #4 0x00007e54aecae9bc pthread_kill (/lib/x86_64-linux-gnu/libc.so.6+0x969bc)
 #5 0x00007e54aec5a476 gsignal (/lib/x86_64-linux-gnu/libc.so.6+0x42476)
 #6 0x00007e54aec407f3 abort (/lib/x86_64-linux-gnu/libc.so.6+0x287f3)
 #7 0x000064ba6b4881ab swift::DiagnosticHelper::Implementation::diagnoseFatalError(char const*, bool) crtstuff.c:0:0
 #8 0x000064ba731cf466 llvm::report_fatal_error(llvm::Twine const&, bool) (/usr/bin/swift-frontend+0x8afe466)
 #9 0x000064ba6e4379ac (/usr/bin/swift-frontend+0x3d669ac)
#10 0x000064ba72f003cc llvm::legacy::PassManagerImpl::run(llvm::Module&) (/usr/bin/swift-frontend+0x882f3cc)
#11 0x000064ba6b5e31d1 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 0x000064ba6b5e240b 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 0x000064ba6b0f176d generateCode(swift::CompilerInstance&, llvm::StringRef, llvm::Module*, llvm::GlobalVariable*) FrontendTool.cpp:0:0
#14 0x000064ba6b0e9961 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 0x000064ba6b0e7c4f swift::performCompileStepsPostSema(swift::CompilerInstance&, int&, swift::FrontendObserver*, llvm::ArrayRef<char const*>) (/usr/bin/swift-frontend+0xa16c4f)
#16 0x000064ba6b0fffda withSemanticAnalysis(swift::CompilerInstance&, swift::FrontendObserver*, llvm::function_ref<bool (swift::CompilerInstance&)>, bool) FrontendTool.cpp:0:0
#17 0x000064ba6b0edaa9 performCompile(swift::CompilerInstance&, int&, swift::FrontendObserver*, llvm::ArrayRef<char const*>) FrontendTool.cpp:0:0
#18 0x000064ba6b0ea6ee swift::performFrontend(llvm::ArrayRef<char const*>, char const*, void*, swift::FrontendObserver*) (/usr/bin/swift-frontend+0xa196ee)
#19 0x000064ba6ae02ba8 swift::mainEntry(int, char const**) (/usr/bin/swift-frontend+0x731ba8)
#20 0x00007e54aec41d90 (/lib/x86_64-linux-gnu/libc.so.6+0x29d90)
#21 0x00007e54aec41e40 __libc_start_main (/lib/x86_64-linux-gnu/libc.so.6+0x29e40)
#22 0x000064ba6ae01a65 _start (/usr/bin/swift-frontend+0x730a65)
*** Signal 6: Backtracing from 0x7e54aed369dd... done ***
*** Program crashed: Aborted at 0x00007e54aed369dd ***
Platform: x86_64 Linux (Ubuntu 22.04.5 LTS)
Thread 0 "swift-frontend" crashed:
0  0x00007e54aed369dd <unknown> in libc.so.6
Registers:
rax 0x0000000000000000  0
rdx 0x0000000000000006  6
rcx 0x00007e54aed369dd  48 3d 01 f0 ff ff 73 01 c3 48 8b 0d 23 b4 0f 00  H=·ðÿÿs·ÃH··#´··
rbx 0x0000000000000006  6
rsi 0x0000000000000063  99
rdi 0x0000000000000063  99
rbp 0x0000000000000063  99
rsp 0x000064ba874e6068  6b 3b 28 73 ba 64 00 00 f0 62 4e 87 ba 64 00 00  k;(sºd··ðbN·ºd··
 r8 0x000064ba874e62f0  06 00 00 00 00 00 00 00 fa ff ff ff 00 00 00 00  ········úÿÿÿ····
 r9 0x000064ba874e62f0  06 00 00 00 00 00 00 00 fa ff ff ff 00 00 00 00  ········úÿÿÿ····
r10 0x000064ba874e62f0  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 0x000064ba874e6078  01 03 01 00 00 00 00 00 73 63 62 01 00 00 00 00  ········scb·····
rip 0x00007e54aed369dd  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):
0x00007e54aec18000–0x00007e54aedd4401 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/MathLexRust/SwiftBridgeCore.swift /host/spi-builder-workspace/Sources/MathLexRust/mathlex.swift -emit-dependencies-path /host/spi-builder-workspace/.build/out/Intermediates.noindex/MathLex.build/Debug-webassembly-wasm32/MathLexRust-t.build/Objects-normal/wasm32/SwiftBridgeCore.d -emit-const-values-path /host/spi-builder-workspace/.build/out/Intermediates.noindex/MathLex.build/Debug-webassembly-wasm32/MathLexRust-t.build/Objects-normal/wasm32/SwiftBridgeCore.swiftconstvalues -emit-reference-dependencies-path /host/spi-builder-workspace/.build/out/Intermediates.noindex/MathLex.build/Debug-webassembly-wasm32/MathLexRust-t.build/Objects-normal/wasm32/SwiftBridgeCore.swiftdeps -serialize-diagnostics-path /host/spi-builder-workspace/.build/out/Intermediates.noindex/MathLex.build/Debug-webassembly-wasm32/MathLexRust-t.build/Objects-normal/wasm32/SwiftBridgeCore.dia -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/Sources/MathLexBridge/include/module.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/MathLexBridge/include -Xcc -I/host/spi-builder-workspace/.build/out/Products/Debug-webassembly-wasm32/include -Xcc -I/host/spi-builder-workspace/.build/out/Intermediates.noindex/MathLex.build/Debug-webassembly-wasm32/MathLexRust-t.build/DerivedSources-normal/wasm32 -Xcc -I/host/spi-builder-workspace/.build/out/Intermediates.noindex/MathLex.build/Debug-webassembly-wasm32/MathLexRust-t.build/DerivedSources/wasm32 -Xcc -I/host/spi-builder-workspace/.build/out/Intermediates.noindex/MathLex.build/Debug-webassembly-wasm32/MathLexRust-t.build/DerivedSources -Xcc -DSWIFT_PACKAGE -Xcc -DDEBUG\=1 -no-auto-bridging-header-chaining -module-name MathLexRust -package-name spi_builder_workspace -const-gather-protocols-file /host/spi-builder-workspace/.build/out/Intermediates.noindex/MathLex.build/Debug-webassembly-wasm32/MathLexRust-t.build/Objects-normal/wasm32/MathLexRust_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/MathLex.build/Debug-webassembly-wasm32/MathLexRust-t.build/Objects-normal/wasm32/SwiftBridgeCore.o -index-unit-output-path /MathLex.build/Debug-webassembly-wasm32/MathLexRust-t.build/Objects-normal/wasm32/SwiftBridgeCore.o -index-store-path /host/spi-builder-workspace/.build/out -index-system-modules
error: Build failed
BUILD FAILURE 6.4 wasm