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Build Information

Failed to build Plato, reference main (ee0a30), with Swift 6.4 for Wasm on 20 Sep 2026 16:29:17 UTC.

Build Command

bash -c docker run --pull=always --rm -v "checkouts-54344845-0":/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/pedroesli/Plato.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/pedroesli/Plato
 * branch            main       -> FETCH_HEAD
 * [new branch]      main       -> origin/main
HEAD is now at ee0a30d Create LICENSE
Cloned https://github.com/pedroesli/Plato.git
Revision (git rev-parse @):
ee0a30d707fd45516726d30fab3a37797cd09bad
SUCCESS checkout https://github.com/pedroesli/Plato.git at main
========================================
Build
========================================
Selected platform:         wasm
Swift version:             6.4
Building package at path:  $PWD
https://github.com/pedroesli/Plato.git
Running build ...
bash -c docker run --pull=always --rm -v "checkouts-54344845-0":/host -w "$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
Fetching https://github.com/antlr/antlr4
[1/173045] Fetching antlr4
Fetched https://github.com/antlr/antlr4 (3.25s)
Computing version for https://github.com/antlr/antlr4
Computed https://github.com/antlr/antlr4 at 4.13.2 (4.28s)
Creating working copy for https://github.com/antlr/antlr4
Working copy of https://github.com/antlr/antlr4 resolved at 4.13.2
warning: 'spi-builder-workspace': found 4 file(s) which are unhandled; explicitly declare them as resources or exclude from the target
    /host/spi-builder-workspace/Sources/PlatoCore/Parser/Plato.interp
    /host/spi-builder-workspace/Sources/PlatoCore/Parser/Plato.tokens
    /host/spi-builder-workspace/Sources/PlatoCore/Parser/PlatoLexer.interp
    /host/spi-builder-workspace/Sources/PlatoCore/Parser/PlatoLexer.tokens
Building for debugging...
[Pre-planning 1 / 125]
[Creating build graph]
[28 / 50] Antlr4
error: SwiftCompile normal wasm32 failed with a nonzero exit code. Command line:     cd /host

/host/spi-builder-workspace/.build/checkouts/antlr4/runtime/Swift/Sources/Antlr4/misc/utils/Mutex.swift:12:29: error: cannot find 'DispatchSemaphore' in scope
10 |     /// The mutex instance.
11 |     ///
12 |     private let semaphore = DispatchSemaphore(value: 1)
   |                             `- error: cannot find 'DispatchSemaphore' in scope
13 |
14 |     ///
Failed frontend command:
/usr/bin/swift-frontend -frontend -emit-module -experimental-skip-non-inlinable-function-bodies-without-types /host/spi-builder-workspace/.build/checkouts/antlr4/runtime/Swift/Sources/Antlr4/ANTLRErrorListener.swift /host/spi-builder-workspace/.build/checkouts/antlr4/runtime/Swift/Sources/Antlr4/ANTLRErrorStrategy.swift /host/spi-builder-workspace/.build/checkouts/antlr4/runtime/Swift/Sources/Antlr4/ANTLRFileStream.swift /host/spi-builder-workspace/.build/checkouts/antlr4/runtime/Swift/Sources/Antlr4/ANTLRInputStream.swift /host/spi-builder-workspace/.build/checkouts/antlr4/runtime/Swift/Sources/Antlr4/BailErrorStrategy.swift /host/spi-builder-workspace/.build/checkouts/antlr4/runtime/Swift/Sources/Antlr4/BaseErrorListener.swift /host/spi-builder-workspace/.build/checkouts/antlr4/runtime/Swift/Sources/Antlr4/BufferedTokenStream.swift /host/spi-builder-workspace/.build/checkouts/antlr4/runtime/Swift/Sources/Antlr4/CharStream.swift /host/spi-builder-workspace/.build/checkouts/antlr4/runtime/Swift/Sources/Antlr4/CommonToken.swift /host/spi-builder-workspace/.build/checkouts/antlr4/runtime/Swift/Sources/Antlr4/CommonTokenFactory.swift /host/spi-builder-workspace/.build/checkouts/antlr4/runtime/Swift/Sources/Antlr4/CommonTokenStream.swift /host/spi-builder-workspace/.build/checkouts/antlr4/runtime/Swift/Sources/Antlr4/ConsoleErrorListener.swift /host/spi-builder-workspace/.build/checkouts/antlr4/runtime/Swift/Sources/Antlr4/DefaultErrorStrategy.swift /host/spi-builder-workspace/.build/checkouts/antlr4/runtime/Swift/Sources/Antlr4/DiagnosticErrorListener.swift /host/spi-builder-workspace/.build/checkouts/antlr4/runtime/Swift/Sources/Antlr4/FailedPredicateException.swift /host/spi-builder-workspace/.build/checkouts/antlr4/runtime/Swift/Sources/Antlr4/InputMismatchException.swift /host/spi-builder-workspace/.build/checkouts/antlr4/runtime/Swift/Sources/Antlr4/IntStream.swift /host/spi-builder-workspace/.build/checkouts/antlr4/runtime/Swift/Sources/Antlr4/InterpreterRuleContext.swift /host/spi-builder-workspace/.build/checkouts/antlr4/runtime/Swift/Sources/Antlr4/Lexer.swift /host/spi-builder-workspace/.build/checkouts/antlr4/runtime/Swift/Sources/Antlr4/LexerInterpreter.swift /host/spi-builder-workspace/.build/checkouts/antlr4/runtime/Swift/Sources/Antlr4/LexerNoViableAltException.swift /host/spi-builder-workspace/.build/checkouts/antlr4/runtime/Swift/Sources/Antlr4/ListTokenSource.swift /host/spi-builder-workspace/.build/checkouts/antlr4/runtime/Swift/Sources/Antlr4/NoViableAltException.swift /host/spi-builder-workspace/.build/checkouts/antlr4/runtime/Swift/Sources/Antlr4/Parser.swift /host/spi-builder-workspace/.build/checkouts/antlr4/runtime/Swift/Sources/Antlr4/ParserInterpreter.swift /host/spi-builder-workspace/.build/checkouts/antlr4/runtime/Swift/Sources/Antlr4/ParserRuleContext.swift /host/spi-builder-workspace/.build/checkouts/antlr4/runtime/Swift/Sources/Antlr4/ProxyErrorListener.swift /host/spi-builder-workspace/.build/checkouts/antlr4/runtime/Swift/Sources/Antlr4/RecognitionException.swift /host/spi-builder-workspace/.build/checkouts/antlr4/runtime/Swift/Sources/Antlr4/Recognizer.swift /host/spi-builder-workspace/.build/checkouts/antlr4/runtime/Swift/Sources/Antlr4/RuleContext.swift /host/spi-builder-workspace/.build/checkouts/antlr4/runtime/Swift/Sources/Antlr4/RuntimeMetaData.swift /host/spi-builder-workspace/.build/checkouts/antlr4/runtime/Swift/Sources/Antlr4/Token.swift /host/spi-builder-workspace/.build/checkouts/antlr4/runtime/Swift/Sources/Antlr4/TokenFactory.swift /host/spi-builder-workspace/.build/checkouts/antlr4/runtime/Swift/Sources/Antlr4/TokenSource.swift /host/spi-builder-workspace/.build/checkouts/antlr4/runtime/Swift/Sources/Antlr4/TokenStream.swift /host/spi-builder-workspace/.build/checkouts/antlr4/runtime/Swift/Sources/Antlr4/TokenStreamRewriter.swift /host/spi-builder-workspace/.build/checkouts/antlr4/runtime/Swift/Sources/Antlr4/UnbufferedCharStream.swift /host/spi-builder-workspace/.build/checkouts/antlr4/runtime/Swift/Sources/Antlr4/UnbufferedTokenStream.swift /host/spi-builder-workspace/.build/checkouts/antlr4/runtime/Swift/Sources/Antlr4/VocabularySingle.swift /host/spi-builder-workspace/.build/checkouts/antlr4/runtime/Swift/Sources/Antlr4/WritableToken.swift /host/spi-builder-workspace/.build/checkouts/antlr4/runtime/Swift/Sources/Antlr4/atn/ATN.swift /host/spi-builder-workspace/.build/checkouts/antlr4/runtime/Swift/Sources/Antlr4/atn/ATNConfig.swift /host/spi-builder-workspace/.build/checkouts/antlr4/runtime/Swift/Sources/Antlr4/atn/ATNConfigSet.swift /host/spi-builder-workspace/.build/checkouts/antlr4/runtime/Swift/Sources/Antlr4/atn/ATNDeserializationOptions.swift /host/spi-builder-workspace/.build/checkouts/antlr4/runtime/Swift/Sources/Antlr4/atn/ATNDeserializer.swift /host/spi-builder-workspace/.build/checkouts/antlr4/runtime/Swift/Sources/Antlr4/atn/ATNSimulator.swift /host/spi-builder-workspace/.build/checkouts/antlr4/runtime/Swift/Sources/Antlr4/atn/ATNState.swift /host/spi-builder-workspace/.build/checkouts/antlr4/runtime/Swift/Sources/Antlr4/atn/ATNType.swift /host/spi-builder-workspace/.build/checkouts/antlr4/runtime/Swift/Sources/Antlr4/atn/AbstractPredicateTransition.swift /host/spi-builder-workspace/.build/checkouts/antlr4/runtime/Swift/Sources/Antlr4/atn/ActionTransition.swift /host/spi-builder-workspace/.build/checkouts/antlr4/runtime/Swift/Sources/Antlr4/atn/AmbiguityInfo.swift /host/spi-builder-workspace/.build/checkouts/antlr4/runtime/Swift/Sources/Antlr4/atn/ArrayPredictionContext.swift /host/spi-builder-workspace/.build/checkouts/antlr4/runtime/Swift/Sources/Antlr4/atn/AtomTransition.swift /host/spi-builder-workspace/.build/checkouts/antlr4/runtime/Swift/Sources/Antlr4/atn/BasicBlockStartState.swift /host/spi-builder-workspace/.build/checkouts/antlr4/runtime/Swift/Sources/Antlr4/atn/BasicState.swift /host/spi-builder-workspace/.build/checkouts/antlr4/runtime/Swift/Sources/Antlr4/atn/BlockEndState.swift /host/spi-builder-workspace/.build/checkouts/antlr4/runtime/Swift/Sources/Antlr4/atn/BlockStartState.swift /host/spi-builder-workspace/.build/checkouts/antlr4/runtime/Swift/Sources/Antlr4/atn/ContextSensitivityInfo.swift /host/spi-builder-workspace/.build/checkouts/antlr4/runtime/Swift/Sources/Antlr4/atn/DecisionEventInfo.swift /host/spi-builder-workspace/.build/checkouts/antlr4/runtime/Swift/Sources/Antlr4/atn/DecisionInfo.swift /host/spi-builder-workspace/.build/checkouts/antlr4/runtime/Swift/Sources/Antlr4/atn/DecisionState.swift /host/spi-builder-workspace/.build/checkouts/antlr4/runtime/Swift/Sources/Antlr4/atn/DefaultATNConfig.swift /host/spi-builder-workspace/.build/checkouts/antlr4/runtime/Swift/Sources/Antlr4/atn/EmptyPredictionContext.swift /host/spi-builder-workspace/.build/checkouts/antlr4/runtime/Swift/Sources/Antlr4/atn/EpsilonTransition.swift /host/spi-builder-workspace/.build/checkouts/antlr4/runtime/Swift/Sources/Antlr4/atn/ErrorInfo.swift /host/spi-builder-workspace/.build/checkouts/antlr4/runtime/Swift/Sources/Antlr4/atn/LL1Analyzer.swift /host/spi-builder-workspace/.build/checkouts/antlr4/runtime/Swift/Sources/Antlr4/atn/LexerATNConfig.swift /host/spi-builder-workspace/.build/checkouts/antlr4/runtime/Swift/Sources/Antlr4/atn/LexerATNSimulator.swift /host/spi-builder-workspace/.build/checkouts/antlr4/runtime/Swift/Sources/Antlr4/atn/LexerAction.swift /host/spi-builder-workspace/.build/checkouts/antlr4/runtime/Swift/Sources/Antlr4/atn/LexerActionExecutor.swift /host/spi-builder-workspace/.build/checkouts/antlr4/runtime/Swift/Sources/Antlr4/atn/LexerActionType.swift /host/spi-builder-workspace/.build/checkouts/antlr4/runtime/Swift/Sources/Antlr4/atn/LexerChannelAction.swift /host/spi-builder-workspace/.build/checkouts/antlr4/runtime/Swift/Sources/Antlr4/atn/LexerCustomAction.swift /host/spi-builder-workspace/.build/checkouts/antlr4/runtime/Swift/Sources/Antlr4/atn/LexerIndexedCustomAction.swift /host/spi-builder-workspace/.build/checkouts/antlr4/runtime/Swift/Sources/Antlr4/atn/LexerModeAction.swift /host/spi-builder-workspace/.build/checkouts/antlr4/runtime/Swift/Sources/Antlr4/atn/LexerMoreAction.swift /host/spi-builder-workspace/.build/checkouts/antlr4/runtime/Swift/Sources/Antlr4/atn/LexerPopModeAction.swift /host/spi-builder-workspace/.build/checkouts/antlr4/runtime/Swift/Sources/Antlr4/atn/LexerPushModeAction.swift /host/spi-builder-workspace/.build/checkouts/antlr4/runtime/Swift/Sources/Antlr4/atn/LexerSkipAction.swift /host/spi-builder-workspace/.build/checkouts/antlr4/runtime/Swift/Sources/Antlr4/atn/LexerTypeAction.swift /host/spi-builder-workspace/.build/checkouts/antlr4/runtime/Swift/Sources/Antlr4/atn/LookaheadEventInfo.swift /host/spi-builder-workspace/.build/checkouts/antlr4/runtime/Swift/Sources/Antlr4/atn/LookupATNConfig.swift /host/spi-builder-workspace/.build/checkouts/antlr4/runtime/Swift/Sources/Antlr4/atn/LookupDictionary.swift /host/spi-builder-workspace/.build/checkouts/antlr4/runtime/Swift/Sources/Antlr4/atn/LoopEndState.swift /host/spi-builder-workspace/.build/checkouts/antlr4/runtime/Swift/Sources/Antlr4/atn/NotSetTransition.swift /host/spi-builder-workspace/.build/checkouts/antlr4/runtime/Swift/Sources/Antlr4/atn/ParseInfo.swift /host/spi-builder-workspace/.build/checkouts/antlr4/runtime/Swift/Sources/Antlr4/atn/ParserATNSimulator.swift /host/spi-builder-workspace/.build/checkouts/antlr4/runtime/Swift/Sources/Antlr4/atn/PlusBlockStartState.swift /host/spi-builder-workspace/.build/checkouts/antlr4/runtime/Swift/Sources/Antlr4/atn/PlusLoopbackState.swift 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/host/spi-builder-workspace/.build/checkouts/antlr4/runtime/Swift/Sources/Antlr4/atn/Transition.swift /host/spi-builder-workspace/.build/checkouts/antlr4/runtime/Swift/Sources/Antlr4/atn/WildcardTransition.swift /host/spi-builder-workspace/.build/checkouts/antlr4/runtime/Swift/Sources/Antlr4/dfa/DFA.swift /host/spi-builder-workspace/.build/checkouts/antlr4/runtime/Swift/Sources/Antlr4/dfa/DFASerializer.swift /host/spi-builder-workspace/.build/checkouts/antlr4/runtime/Swift/Sources/Antlr4/dfa/DFAState.swift /host/spi-builder-workspace/.build/checkouts/antlr4/runtime/Swift/Sources/Antlr4/dfa/LexerDFASerializer.swift /host/spi-builder-workspace/.build/checkouts/antlr4/runtime/Swift/Sources/Antlr4/misc/BitSet.swift /host/spi-builder-workspace/.build/checkouts/antlr4/runtime/Swift/Sources/Antlr4/misc/DoubleKeyMap.swift /host/spi-builder-workspace/.build/checkouts/antlr4/runtime/Swift/Sources/Antlr4/misc/IntSet.swift 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/host/spi-builder-workspace/.build/checkouts/antlr4/runtime/Swift/Sources/Antlr4/tree/pattern/TagChunk.swift /host/spi-builder-workspace/.build/checkouts/antlr4/runtime/Swift/Sources/Antlr4/tree/pattern/TextChunk.swift /host/spi-builder-workspace/.build/checkouts/antlr4/runtime/Swift/Sources/Antlr4/tree/pattern/TokenTagToken.swift -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 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/host/spi-builder-workspace/.build/out/Intermediates.noindex/Antlr4.build/Debug-webassembly-wasm32/Antlr4-t.build/Objects-normal/wasm32/Antlr4-primary-emit-module.dia -emit-dependencies-path /host/spi-builder-workspace/.build/out/Intermediates.noindex/Antlr4.build/Debug-webassembly-wasm32/Antlr4-t.build/Objects-normal/wasm32/Antlr4-primary-emit-module.d -parse-as-library -o /host/spi-builder-workspace/.build/out/Intermediates.noindex/Antlr4.build/Debug-webassembly-wasm32/Antlr4-t.build/Objects-normal/wasm32/Modules/Antlr4.swiftmodule
[37 / 59] Antlr4
error: Build failed
BUILD FAILURE 6.4 wasm