Swift Package IndexBuild Information
Failed to build Parsey, reference master (bcc927), with Swift 6.3 for Wasm on 10 Apr 2026 17:54:15 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-6.3-latest swift build --swift-sdk swift-6.3-RELEASE_wasm 2>&1Build Log
========================================
RunAll
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Builder version: 4.70.0
Interrupt handler set up.
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Checkout
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Clone URL: https://github.com/rxwei/parsey.git
Reference: master
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/rxwei/parsey
* branch master -> FETCH_HEAD
* [new branch] master -> origin/master
HEAD is now at bcc9279 Make compile with Swift 4.2.
Cloned https://github.com/rxwei/parsey.git
Revision (git rev-parse @):
bcc927948f454a29cb7a8177e3c17a2fdb233e68
SUCCESS checkout https://github.com/rxwei/parsey.git at master
========================================
Build
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Selected platform: wasm
Swift version: 6.3
Building package at path: $PWD
https://github.com/rxwei/parsey.git
Running build ...
bash -c docker run --pull=always --rm -v "checkouts-4609320-1":/host -w "$PWD" -e JAVA_HOME="/root/.sdkman/candidates/java/current" -e SPI_BUILD="1" -e SPI_PROCESSING="1" registry.gitlab.com/swiftpackageindex/spi-images:wasm-6.3-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...
[0/2] Write sources
[1/2] Write swift-version-24593BA9C3E375BF.txt
error: compile command failed due to signal 6 (use -v to see invocation)
/host/spi-builder-workspace/Sources/Parsey/Reducible.swift:15:5: warning: 'public' modifier is redundant for instance method declared in a public extension
13 |
14 | public extension Reducible {
15 | public func mapReduce<Result: Associable>(_ transform: (Element) -> Result) -> Result {
| `- warning: 'public' modifier is redundant for instance method declared in a public extension
16 | return reduce(Result.identity) { $0 + transform($1) }
17 | }
/host/spi-builder-workspace/Sources/Parsey/Reducible.swift:22:5: warning: 'public' modifier is redundant for instance method declared in a public extension
20 | public extension Reducible where Element : Associable {
21 | @inline(__always)
22 | public func reduced() -> Element {
| `- warning: 'public' modifier is redundant for instance method declared in a public extension
23 | return mapReduce{$0}
24 | }
<unknown>:0: error: fatal error encountered during compilation; please submit a bug report (https://swift.org/contributing/#reporting-bugs)
<unknown>:0: note: Invalid conformance in type-checked AST
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/Parsey/Array.swift /host/spi-builder-workspace/Sources/Parsey/Associable.swift /host/spi-builder-workspace/Sources/Parsey/Collection.swift /host/spi-builder-workspace/Sources/Parsey/Combinators.swift /host/spi-builder-workspace/Sources/Parsey/Error.swift /host/spi-builder-workspace/Sources/Parsey/Function.swift /host/spi-builder-workspace/Sources/Parsey/Lexer.swift /host/spi-builder-workspace/Sources/Parsey/Location.swift /host/spi-builder-workspace/Sources/Parsey/Mappable.swift /host/spi-builder-workspace/Sources/Parsey/Numeric.swift /host/spi-builder-workspace/Sources/Parsey/Operators.swift /host/spi-builder-workspace/Sources/Parsey/Optional.swift -primary-file /host/spi-builder-workspace/Sources/Parsey/Parser.swift -primary-file /host/spi-builder-workspace/Sources/Parsey/Reducible.swift /host/spi-builder-workspace/Sources/Parsey/Sequence.swift /host/spi-builder-workspace/Sources/Parsey/Set.swift -emit-dependencies-path /host/spi-builder-workspace/.build/wasm32-unknown-wasip1/debug/Parsey.build/Parser.d -emit-reference-dependencies-path /host/spi-builder-workspace/.build/wasm32-unknown-wasip1/debug/Parsey.build/Parser.swiftdeps -serialize-diagnostics-path /host/spi-builder-workspace/.build/wasm32-unknown-wasip1/debug/Parsey.build/Parser.dia -emit-dependencies-path /host/spi-builder-workspace/.build/wasm32-unknown-wasip1/debug/Parsey.build/Reducible.d -emit-reference-dependencies-path /host/spi-builder-workspace/.build/wasm32-unknown-wasip1/debug/Parsey.build/Reducible.swiftdeps -serialize-diagnostics-path /host/spi-builder-workspace/.build/wasm32-unknown-wasip1/debug/Parsey.build/Reducible.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 4 -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 --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 Parsey -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/Parsey.build/Parser.swift.o -o /host/spi-builder-workspace/.build/wasm32-unknown-wasip1/debug/Parsey.build/Reducible.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 4.1.50
3. While evaluating request ASTLoweringRequest(Lowering AST to SIL for file "/host/spi-builder-workspace/Sources/Parsey/Parser.swift")
4. While generating SIL witness table protocol conformance ParserInput: Sequence at extension of ParserInput (at /host/spi-builder-workspace/Sources/Parsey/Parser.swift:76:1)
#0 0x0000558bc9a008b8 llvm::sys::PrintStackTrace(llvm::raw_ostream&, int) (/usr/bin/swift-frontend+0x72e18b8)
#1 0x0000558bc99fe3a5 llvm::sys::RunSignalHandlers() (/usr/bin/swift-frontend+0x72df3a5)
#2 0x0000558bc9a01601 SignalHandler(int, siginfo_t*, void*) Signals.cpp:0:0
#3 0x00007f3ee0844520 (/lib/x86_64-linux-gnu/libc.so.6+0x42520)
#4 0x00007f3ee08989fc pthread_kill (/lib/x86_64-linux-gnu/libc.so.6+0x969fc)
#5 0x00007f3ee0844476 gsignal (/lib/x86_64-linux-gnu/libc.so.6+0x42476)
#6 0x00007f3ee082a7f3 abort (/lib/x86_64-linux-gnu/libc.so.6+0x287f3)
#7 0x0000558bc335d62f (/usr/bin/swift-frontend+0xc3e62f)
#8 0x0000558bc995c1e6 llvm::report_fatal_error(llvm::Twine const&, bool) (/usr/bin/swift-frontend+0x723d1e6)
#9 0x0000558bc995c0d6 (/usr/bin/swift-frontend+0x723d0d6)
#10 0x0000558bc3827334 swift::Lowering::SILGenModule::useConformance(swift::ProtocolConformanceRef) crtstuff.c:0:0
#11 0x0000558bc38a4768 swift::SILWitnessVisitor<(anonymous namespace)::SILGenConformance>::visitProtocolDecl(swift::ProtocolDecl*) SILGenType.cpp:0:0
#12 0x0000558bc389fe32 swift::Lowering::SILGenModule::getWitnessTable(swift::NormalProtocolConformance*) crtstuff.c:0:0
#13 0x0000558bc38a45f0 SILGenExtension::emitExtension(swift::ExtensionDecl*) crtstuff.c:0:0
#14 0x0000558bc38a441d swift::Lowering::SILGenModule::visitExtensionDecl(swift::ExtensionDecl*) crtstuff.c:0:0
#15 0x0000558bc37ad9a3 swift::Lowering::SILGenModule::emitSourceFile(swift::SourceFile*) crtstuff.c:0:0
#16 0x0000558bc37ae100 swift::ASTLoweringRequest::evaluate(swift::Evaluator&, swift::ASTLoweringDescriptor) const (/usr/bin/swift-frontend+0x108f100)
#17 0x0000558bc388d0e4 std::unique_ptr<swift::SILModule, std::default_delete<swift::SILModule>> swift::SimpleRequest<swift::ASTLoweringRequest, std::unique_ptr<swift::SILModule, std::default_delete<swift::SILModule>> (swift::ASTLoweringDescriptor), (swift::RequestFlags)17>::callDerived<0ul>(swift::Evaluator&, std::integer_sequence<unsigned long, 0ul>) const crtstuff.c:0:0
#18 0x0000558bc388d009 swift::SimpleRequest<swift::ASTLoweringRequest, std::unique_ptr<swift::SILModule, std::default_delete<swift::SILModule>> (swift::ASTLoweringDescriptor), (swift::RequestFlags)17>::evaluateRequest(swift::ASTLoweringRequest const&, swift::Evaluator&) crtstuff.c:0:0
#19 0x0000558bc37b270f swift::ASTLoweringRequest::OutputType swift::Evaluator::getResultUncached<swift::ASTLoweringRequest, swift::ASTLoweringRequest::OutputType swift::evaluateOrFatal<swift::ASTLoweringRequest>(swift::Evaluator&, swift::ASTLoweringRequest)::'lambda'()>(swift::ASTLoweringRequest const&, swift::ASTLoweringRequest::OutputType swift::evaluateOrFatal<swift::ASTLoweringRequest>(swift::Evaluator&, swift::ASTLoweringRequest)::'lambda'()) crtstuff.c:0:0
#20 0x0000558bc37ae922 swift::performASTLowering(swift::FileUnit&, swift::Lowering::TypeConverter&, swift::SILOptions const&, swift::IRGenOptions const*) (/usr/bin/swift-frontend+0x108f922)
#21 0x0000558bc307ce27 swift::performCompileStepsPostSema(swift::CompilerInstance&, int&, swift::FrontendObserver*, llvm::ArrayRef<char const*>) (/usr/bin/swift-frontend+0x95de27)
#22 0x0000558bc3081c97 performCompile(swift::CompilerInstance&, int&, swift::FrontendObserver*, llvm::ArrayRef<char const*>) FrontendTool.cpp:0:0
#23 0x0000558bc307f2cf swift::performFrontend(llvm::ArrayRef<char const*>, char const*, void*, swift::FrontendObserver*) (/usr/bin/swift-frontend+0x9602cf)
#24 0x0000558bc2df5ad1 swift::mainEntry(int, char const**) (/usr/bin/swift-frontend+0x6d6ad1)
#25 0x00007f3ee082bd90 (/lib/x86_64-linux-gnu/libc.so.6+0x29d90)
#26 0x00007f3ee082be40 __libc_start_main (/lib/x86_64-linux-gnu/libc.so.6+0x29e40)
#27 0x0000558bc2df4205 _start (/usr/bin/swift-frontend+0x6d5205)
*** Signal 6: Backtracing from 0x7f3ee092090d... done ***
*** Program crashed: Aborted at 0x000000000000006c ***
Platform: x86_64 Linux (Ubuntu 22.04.5 LTS)
Thread 0 "swift-frontend" crashed:
0 0x00007f3ee092090d <unknown> in libc.so.6
...
Registers:
rax 0x0000000000000000 0
rdx 0x0000000000000006 6
rcx 0x00007f3ee092090d 48 3d 01 f0 ff ff 73 01 c3 48 8b 0d f3 b4 0f 00 H=·ðÿÿs·ÃH··ó´··
rbx 0x0000000000000006 6
rsi 0x000000000000006c 108
rdi 0x000000000000006c 108
rbp 0x000000000000006c 108
rsp 0x0000558bce197468 2b 16 a0 c9 8b 55 00 00 f0 76 19 ce 8b 55 00 00 +· É·U··ðv·Î·U··
r8 0x0000558bce1976f0 06 00 00 00 00 00 00 00 fa ff ff ff 00 00 00 00 ········úÿÿÿ····
r9 0x0000558bce1976f0 06 00 00 00 00 00 00 00 fa ff ff ff 00 00 00 00 ········úÿÿÿ····
r10 0x0000558bce1976f0 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 0x0000558bce197508 ff ff ff 7f fe ff ff ff 00 00 00 00 00 00 00 00 ÿÿÿ·þÿÿÿ········
rip 0x00007f3ee092090d 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):
0x00007f3ee0802000–0x00007f3ee09be401 095c7ba148aeca81668091f718047078d57efddb libc.so.6 /usr/lib/x86_64-linux-gnu/libc.so.6
Backtrace took 0.02s
BUILD FAILURE 6.3 wasm