swift-syntax – Build Information

Build Information

Failed to build swift-syntax, reference main (56ef32), with Swift 6.4 for Wasm on 20 Sep 2026 22:39:26 UTC.

Build Command

bash -c docker run --pull=always --rm -v "checkouts-54344844-3":/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/peripheryapp/swift-syntax.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/peripheryapp/swift-syntax
 * branch            main       -> FETCH_HEAD
 * [new branch]      main       -> origin/main
HEAD is now at 56ef324 Merge pull request #1668 from ahoppen/ahoppen/drop-keyword-suffix
Cloned https://github.com/peripheryapp/swift-syntax.git
Revision (git rev-parse @):
56ef324e094ad1e655ae7d8c8dabadc7e6bd64e9
SPI manifest file found: $PWD/.spi.yml
SUCCESS checkout https://github.com/peripheryapp/swift-syntax.git at main
========================================
Build
========================================
Selected platform:         wasm
Swift version:             6.4
Building package at path:  $PWD
https://github.com/peripheryapp/swift-syntax.git
Running build ...
bash -c docker run --pull=always --rm -v "checkouts-54344844-3":/host -w "$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/apple/swift-argument-parser.git
[1/18918] Fetching swift-argument-parser
Fetched https://github.com/apple/swift-argument-parser.git (0.76s)
Computing version for https://github.com/apple/swift-argument-parser.git
Computed https://github.com/apple/swift-argument-parser.git at 1.8.2 (0.97s)
Creating working copy for https://github.com/apple/swift-argument-parser.git
Working copy of https://github.com/apple/swift-argument-parser.git resolved at 1.8.2
Building for debugging...
[Computing dependencies]
[Pre-planning 1 / 1025]
[Planning deferred tasks]
[132 / 278] SwiftSyntax
[139 / 287] SwiftSyntax
[146 / 287] ArgumentParserToolInfo
[149 / 297] ArgumentParser
[150 / 298] ArgumentParserToolInfo
[157 / 298] ArgumentParser
[159 / 298] SwiftSyntax
[161 / 298] SwiftSyntax
[163 / 298] SwiftSyntax
[167 / 298] SwiftSyntax-product
[168 / 298] SwiftSyntax-product
[169 / 298]
[173 / 313] SwiftIDEUtils
[174 / 313] SwiftParser
[177 / 313] SwiftIDEUtils
[182 / 313] SwiftParser
[182 / 313] ArgumentParser
[185 / 314] SwiftParser
[190 / 314] SwiftRefactor
[191 / 314] SwiftRefactor
[192 / 314] lit-test-helper-product
[193 / 314] lit-test-helper-product
[200 / 328] SwiftBasicFormat
[201 / 329] SwiftIDEUtils
[206 / 329] SwiftDiagnostics
[216 / 329] SwiftOperators
[217 / 329] SwiftDiagnostics
[220 / 330] SwiftDiagnostics
error: SwiftCompile normal wasm32 /host/spi-builder-workspace/Sources/SwiftBasicFormat/BasicFormat.swift failed with a nonzero exit code. Command line:     cd /host
    builtin-SwiftPerFileCompile BasicFormat.swift
/host/spi-builder-workspace/Sources/SwiftBasicFormat/BasicFormat.swift:362:14: [1;31merror: [1;39muse of local variable 'trailingTrivia' before its declaration[0;0m
[0;36m360 |[0;0m     lazy var combinedTrailingTrivia: Trivia = {
[0;36m361 |[0;0m       let nextTokenLeadingWhitespace = nextToken?.leadingTrivia.prefix(while: { $0.isSpaceOrTab }) ?? []
[0;36m362 |[0;0m       return trailingTrivia + Trivia(pieces: nextTokenLeadingWhitespace)
    [0;36m|[0;0m              `- [1;31merror: [1;39muse of local variable 'trailingTrivia' before its declaration[0;0m
[0;36m363 |[0;0m     }()
[0;36m364 |[0;0m
[0;36m365 |[0;0m     var leadingTrivia = token.leadingTrivia
[0;36m366 |[0;0m     var trailingTrivia = token.trailingTrivia
    [0;36m|[0;0m         `- [1;39mnote: [1;39m'trailingTrivia' declared here[0;0m
[0;36m367 |[0;0m
[0;36m368 |[0;0m     if requiresNewline(between: previousToken, and: token) {
Failed frontend command:
/usr/bin/swift-frontend -frontend -c -primary-file /host/spi-builder-workspace/Sources/SwiftBasicFormat/BasicFormat.swift /host/spi-builder-workspace/Sources/SwiftBasicFormat/SyntaxProtocol+Formatted.swift /host/spi-builder-workspace/Sources/SwiftBasicFormat/Trivia+FormatExtensions.swift /host/spi-builder-workspace/Sources/SwiftBasicFormat/generated/BasicFormat+Extensions.swift -emit-dependencies-path /host/spi-builder-workspace/.build/out/Intermediates.noindex/swift-syntax.build/Debug-webassembly-wasm32/SwiftBasicFormat-t.build/Objects-normal/wasm32/BasicFormat.d -emit-const-values-path /host/spi-builder-workspace/.build/out/Intermediates.noindex/swift-syntax.build/Debug-webassembly-wasm32/SwiftBasicFormat-t.build/Objects-normal/wasm32/BasicFormat.swiftconstvalues -emit-reference-dependencies-path /host/spi-builder-workspace/.build/out/Intermediates.noindex/swift-syntax.build/Debug-webassembly-wasm32/SwiftBasicFormat-t.build/Objects-normal/wasm32/BasicFormat.swiftdeps -serialize-diagnostics-path /host/spi-builder-workspace/.build/out/Intermediates.noindex/swift-syntax.build/Debug-webassembly-wasm32/SwiftBasicFormat-t.build/Objects-normal/wasm32/BasicFormat.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 -D_LIBCPP_HARDENING_MODE\=_LIBCPP_HARDENING_MODE_DEBUG -Xcc -fmodules-prune-interval\=86400 -Xcc -fmodules-prune-after\=345600 -Xcc -I/host/spi-builder-workspace/.build/out/Products/Debug-webassembly-wasm32/include -Xcc -I/host/spi-builder-workspace/.build/out/Intermediates.noindex/swift-syntax.build/Debug-webassembly-wasm32/SwiftBasicFormat-t.build/DerivedSources-normal/wasm32 -Xcc -I/host/spi-builder-workspace/.build/out/Intermediates.noindex/swift-syntax.build/Debug-webassembly-wasm32/SwiftBasicFormat-t.build/DerivedSources/wasm32 -Xcc -I/host/spi-builder-workspace/.build/out/Intermediates.noindex/swift-syntax.build/Debug-webassembly-wasm32/SwiftBasicFormat-t.build/DerivedSources -Xcc -DSWIFT_PACKAGE -Xcc -DDEBUG\=1 -no-auto-bridging-header-chaining -module-name SwiftBasicFormat -const-gather-protocols-file /host/spi-builder-workspace/.build/out/Intermediates.noindex/swift-syntax.build/Debug-webassembly-wasm32/SwiftBasicFormat-t.build/Objects-normal/wasm32/SwiftBasicFormat_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/swift-syntax.build/Debug-webassembly-wasm32/SwiftBasicFormat-t.build/Objects-normal/wasm32/BasicFormat.o -index-unit-output-path /swift-syntax.build/Debug-webassembly-wasm32/SwiftBasicFormat-t.build/Objects-normal/wasm32/BasicFormat.o -index-store-path /host/spi-builder-workspace/.build/out -index-system-modules
error: Build failed
BUILD FAILURE 6.4 wasm