Swift Package IndexBuild Information
Failed to build Parsey, reference master (bcc927), with Swift 6.3 for Linux on 21 Apr 2026 06:56:26 UTC.
Build Command
bash -c docker run --pull=always --rm -v "checkouts-4609320-3":/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:basic-6.3-latest swift build --triple x86_64-unknown-linux-gnu 2>&1Build Log
========================================
RunAll
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Builder version: 4.70.0
Interrupt handler set up.
========================================
Checkout
========================================
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: linux
Swift version: 6.3
Building package at path: $PWD
https://github.com/rxwei/parsey.git
Running build ...
bash -c docker run --pull=always --rm -v "checkouts-4609320-3":/host -w "$PWD" -e JAVA_HOME="/root/.sdkman/candidates/java/current" -e SPI_BUILD="1" -e SPI_PROCESSING="1" registry.gitlab.com/swiftpackageindex/spi-images:basic-6.3-latest swift build --triple x86_64-unknown-linux-gnu 2>&1
basic-6.3-latest: Pulling from swiftpackageindex/spi-images
Digest: sha256:5a7d791d2ead8a924b1292cb31bf3288eabcfe8880e0b005b00b45b71a5bc36a
Status: Image is up to date for registry.gitlab.com/swiftpackageindex/spi-images:basic-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/x86_64-unknown-linux-gnu/debug/Parsey.build/Parser.d -emit-reference-dependencies-path /host/spi-builder-workspace/.build/x86_64-unknown-linux-gnu/debug/Parsey.build/Parser.swiftdeps -serialize-diagnostics-path /host/spi-builder-workspace/.build/x86_64-unknown-linux-gnu/debug/Parsey.build/Parser.dia -emit-dependencies-path /host/spi-builder-workspace/.build/x86_64-unknown-linux-gnu/debug/Parsey.build/Reducible.d -emit-reference-dependencies-path /host/spi-builder-workspace/.build/x86_64-unknown-linux-gnu/debug/Parsey.build/Reducible.swiftdeps -serialize-diagnostics-path /host/spi-builder-workspace/.build/x86_64-unknown-linux-gnu/debug/Parsey.build/Reducible.dia -target x86_64-unknown-linux-gnu -disable-objc-interop -I /host/spi-builder-workspace/.build/x86_64-unknown-linux-gnu/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/x86_64-unknown-linux-gnu/debug/ModuleCache -swift-version 4 -Onone -D SWIFT_PACKAGE -D DEBUG -D SWIFT_MODULE_RESOURCE_BUNDLE_UNAVAILABLE -empty-abi-descriptor -enable-anonymous-context-mangled-names -file-compilation-dir /host/spi-builder-workspace -Xcc -g -Xcc -fno-omit-frame-pointer -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/x86_64-unknown-linux-gnu/debug/Parsey.build/Parser.swift.o -o /host/spi-builder-workspace/.build/x86_64-unknown-linux-gnu/debug/Parsey.build/Reducible.swift.o -index-store-path /host/spi-builder-workspace/.build/x86_64-unknown-linux-gnu/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 0x00005570cdf048b8 llvm::sys::PrintStackTrace(llvm::raw_ostream&, int) (/usr/bin/swift-frontend+0x72e18b8)
#1 0x00005570cdf023a5 llvm::sys::RunSignalHandlers() (/usr/bin/swift-frontend+0x72df3a5)
#2 0x00005570cdf05601 SignalHandler(int, siginfo_t*, void*) Signals.cpp:0:0
#3 0x00007f5ff6a44520 (/lib/x86_64-linux-gnu/libc.so.6+0x42520)
#4 0x00007f5ff6a989fc pthread_kill (/lib/x86_64-linux-gnu/libc.so.6+0x969fc)
#5 0x00007f5ff6a44476 gsignal (/lib/x86_64-linux-gnu/libc.so.6+0x42476)
#6 0x00007f5ff6a2a7f3 abort (/lib/x86_64-linux-gnu/libc.so.6+0x287f3)
#7 0x00005570c786162f (/usr/bin/swift-frontend+0xc3e62f)
#8 0x00005570cde601e6 llvm::report_fatal_error(llvm::Twine const&, bool) (/usr/bin/swift-frontend+0x723d1e6)
#9 0x00005570cde600d6 (/usr/bin/swift-frontend+0x723d0d6)
#10 0x00005570c7d2b334 swift::Lowering::SILGenModule::useConformance(swift::ProtocolConformanceRef) crtstuff.c:0:0
#11 0x00005570c7da8768 swift::SILWitnessVisitor<(anonymous namespace)::SILGenConformance>::visitProtocolDecl(swift::ProtocolDecl*) SILGenType.cpp:0:0
#12 0x00005570c7da3e32 swift::Lowering::SILGenModule::getWitnessTable(swift::NormalProtocolConformance*) crtstuff.c:0:0
#13 0x00005570c7da85f0 SILGenExtension::emitExtension(swift::ExtensionDecl*) crtstuff.c:0:0
#14 0x00005570c7da841d swift::Lowering::SILGenModule::visitExtensionDecl(swift::ExtensionDecl*) crtstuff.c:0:0
#15 0x00005570c7cb19a3 swift::Lowering::SILGenModule::emitSourceFile(swift::SourceFile*) crtstuff.c:0:0
#16 0x00005570c7cb2100 swift::ASTLoweringRequest::evaluate(swift::Evaluator&, swift::ASTLoweringDescriptor) const (/usr/bin/swift-frontend+0x108f100)
#17 0x00005570c7d910e4 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 0x00005570c7d91009 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 0x00005570c7cb670f 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 0x00005570c7cb2922 swift::performASTLowering(swift::FileUnit&, swift::Lowering::TypeConverter&, swift::SILOptions const&, swift::IRGenOptions const*) (/usr/bin/swift-frontend+0x108f922)
#21 0x00005570c7580e27 swift::performCompileStepsPostSema(swift::CompilerInstance&, int&, swift::FrontendObserver*, llvm::ArrayRef<char const*>) (/usr/bin/swift-frontend+0x95de27)
#22 0x00005570c7585c97 performCompile(swift::CompilerInstance&, int&, swift::FrontendObserver*, llvm::ArrayRef<char const*>) FrontendTool.cpp:0:0
#23 0x00005570c75832cf swift::performFrontend(llvm::ArrayRef<char const*>, char const*, void*, swift::FrontendObserver*) (/usr/bin/swift-frontend+0x9602cf)
#24 0x00005570c72f9ad1 swift::mainEntry(int, char const**) (/usr/bin/swift-frontend+0x6d6ad1)
#25 0x00007f5ff6a2bd90 (/lib/x86_64-linux-gnu/libc.so.6+0x29d90)
#26 0x00007f5ff6a2be40 __libc_start_main (/lib/x86_64-linux-gnu/libc.so.6+0x29e40)
#27 0x00005570c72f8205 _start (/usr/bin/swift-frontend+0x6d5205)
*** Signal 6: Backtracing from 0x7f5ff6b2090d... done ***
*** Program crashed: Aborted at 0x000000000000006b ***
Platform: x86_64 Linux (Ubuntu 22.04.5 LTS)
Thread 0 "swift-frontend" crashed:
0 0x00007f5ff6b2090d <unknown> in libc.so.6
...
Registers:
rax 0x0000000000000000 0
rdx 0x0000000000000006 6
rcx 0x00007f5ff6b2090d 48 3d 01 f0 ff ff 73 01 c3 48 8b 0d f3 b4 0f 00 H=·ðÿÿs·ÃH··ó´··
rbx 0x0000000000000006 6
rsi 0x000000000000006b 107
rdi 0x000000000000006b 107
rbp 0x000000000000006b 107
rsp 0x00005570d221c468 2b 56 f0 cd 70 55 00 00 f0 c6 21 d2 70 55 00 00 +VðÍpU··ðÆ!ÒpU··
r8 0x00005570d221c6f0 06 00 00 00 00 00 00 00 fa ff ff ff 00 00 00 00 ········úÿÿÿ····
r9 0x00005570d221c6f0 06 00 00 00 00 00 00 00 fa ff ff ff 00 00 00 00 ········úÿÿÿ····
r10 0x00005570d221c6f0 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 0x00005570d221c508 ff ff ff 7f fe ff ff ff 00 00 00 00 00 00 00 00 ÿÿÿ·þÿÿÿ········
rip 0x00007f5ff6b2090d 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 (36 omitted):
0x00007f5ff6a02000–0x00007f5ff6bbe401 095c7ba148aeca81668091f718047078d57efddb libc.so.6 /usr/lib/x86_64-linux-gnu/libc.so.6
Backtrace took 0.02s
BUILD FAILURE 6.3 linux