SwiftSyntax – Build Information – Swift Package Index

Build Information

Failed to build SwiftSyntax, reference 0.1.1 (31ba63), with Swift 6.4 for Wasm on 15 Sep 2026 22:44:18 UTC.

Build Command

bash -c docker run --pull=always --rm -v "checkouts-54344843-1":/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/omochi/swiftsyntax.git
Reference: 0.1.1
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/omochi/swiftsyntax
 * tag               0.1.1      -> FETCH_HEAD
HEAD is now at 31ba63a update readme
Cloned https://github.com/omochi/swiftsyntax.git
Revision (git rev-parse @):
31ba63a86ab72d344553cd84d05cc098d641dd0c
SUCCESS checkout https://github.com/omochi/swiftsyntax.git at 0.1.1
========================================
Build
========================================
Selected platform:         wasm
Swift version:             6.4
Building package at path:  $PWD
https://github.com/omochi/swiftsyntax.git
Running build ...
bash -c docker run --pull=always --rm -v "checkouts-54344843-1":/host -w "$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...
[Planning deferred tasks]
[27 / 35] SwiftSyntax
error: SwiftCompile normal wasm32 /host/spi-builder-workspace/Sources/SwiftSyntax/SwiftcInvocation.swift failed with a nonzero exit code. Command line:     cd /host
    builtin-SwiftPerFileCompile SwiftcInvocation.swift
/host/spi-builder-workspace/Sources/SwiftSyntax/SwiftcInvocation.swift:60:35: [1;31merror: [1;39mvalue of type 'FileHandle' has no member 'readabilityHandler'[0;0m
 [0;36m58 |[0;0m   let stdoutPipe = Pipe()
 [0;36m59 |[0;0m   var stdoutData = Data()
 [0;36m60 |[0;0m   [4;39mstdoutPipe.fileHandleForReading[0;0m.[4;39mreadabilityHandler[0;0m = { file in
    [0;36m|[0;0m                                   `- [1;31merror: [1;39mvalue of type 'FileHandle' has no member 'readabilityHandler'[0;0m
 [0;36m61 |[0;0m     stdoutData.append(file.availableData)
 [0;36m62 |[0;0m   }
/host/spi-builder-workspace/Sources/SwiftSyntax/SwiftcInvocation.swift:60:58: [1;31merror: [1;39mcannot infer type of closure parameter 'file' without a type annotation[0;0m
 [0;36m58 |[0;0m   let stdoutPipe = Pipe()
 [0;36m59 |[0;0m   var stdoutData = Data()
 [0;36m60 |[0;0m   stdoutPipe.fileHandleForReading.readabilityHandler = { file in
    [0;36m|[0;0m                                                          `- [1;31merror: [1;39mcannot infer type of closure parameter 'file' without a type annotation[0;0m
 [0;36m61 |[0;0m     stdoutData.append(file.availableData)
 [0;36m62 |[0;0m   }
/host/spi-builder-workspace/Sources/SwiftSyntax/SwiftcInvocation.swift:66:35: [1;31merror: [1;39mvalue of type 'FileHandle' has no member 'readabilityHandler'[0;0m
 [0;36m64 |[0;0m   let stderrPipe = Pipe()
 [0;36m65 |[0;0m   var stderrData = Data()
 [0;36m66 |[0;0m   [4;39mstderrPipe.fileHandleForReading[0;0m.[4;39mreadabilityHandler[0;0m = { file in
    [0;36m|[0;0m                                   `- [1;31merror: [1;39mvalue of type 'FileHandle' has no member 'readabilityHandler'[0;0m
 [0;36m67 |[0;0m     stderrData.append(file.availableData)
 [0;36m68 |[0;0m   }
/host/spi-builder-workspace/Sources/SwiftSyntax/SwiftcInvocation.swift:66:58: [1;31merror: [1;39mcannot infer type of closure parameter 'file' without a type annotation[0;0m
 [0;36m64 |[0;0m   let stderrPipe = Pipe()
 [0;36m65 |[0;0m   var stderrData = Data()
 [0;36m66 |[0;0m   stderrPipe.fileHandleForReading.readabilityHandler = { file in
    [0;36m|[0;0m                                                          `- [1;31merror: [1;39mcannot infer type of closure parameter 'file' without a type annotation[0;0m
 [0;36m67 |[0;0m     stderrData.append(file.availableData)
 [0;36m68 |[0;0m   }
/host/spi-builder-workspace/Sources/SwiftSyntax/SwiftcInvocation.swift:70:17: [1;31merror: [1;39mcannot find 'Process' in scope[0;0m
 [0;36m68 |[0;0m   }
 [0;36m69 |[0;0m
 [0;36m70 |[0;0m   let process = [4;39mProcess[0;0m()
    [0;36m|[0;0m                 `- [1;31merror: [1;39mcannot find 'Process' in scope[0;0m
 [0;36m71 |[0;0m
 [0;36m72 |[0;0m   process.terminationHandler = { process in
/host/spi-builder-workspace/Sources/SwiftSyntax/SwiftcInvocation.swift:72:34: [1;31merror: [1;39mcannot infer type of closure parameter 'process' without a type annotation[0;0m
 [0;36m70 |[0;0m   let process = Process()
 [0;36m71 |[0;0m
 [0;36m72 |[0;0m   process.terminationHandler = { process in
    [0;36m|[0;0m                                  `- [1;31merror: [1;39mcannot infer type of closure parameter 'process' without a type annotation[0;0m
 [0;36m73 |[0;0m     stdoutPipe.fileHandleForReading.readabilityHandler = nil
 [0;36m74 |[0;0m     stderrPipe.fileHandleForReading.readabilityHandler = nil
/host/spi-builder-workspace/Sources/SwiftSyntax/SwiftcInvocation.swift:73:37: [1;31merror: [1;39mvalue of type 'FileHandle' has no member 'readabilityHandler'[0;0m
 [0;36m71 |[0;0m
 [0;36m72 |[0;0m   process.terminationHandler = { process in
 [0;36m73 |[0;0m     [4;39mstdoutPipe.fileHandleForReading[0;0m.[4;39mreadabilityHandler[0;0m = nil
    [0;36m|[0;0m                                     `- [1;31merror: [1;39mvalue of type 'FileHandle' has no member 'readabilityHandler'[0;0m
 [0;36m74 |[0;0m     stderrPipe.fileHandleForReading.readabilityHandler = nil
 [0;36m75 |[0;0m   }
/host/spi-builder-workspace/Sources/SwiftSyntax/SwiftcInvocation.swift:107:14: [1;31merror: [1;39mcannot find 'dl_info' in scope[0;0m
[0;36m105 |[0;0m ///            `nil`.
[0;36m106 |[0;0m func findFirstObjectFile(for dsohandle: UnsafeRawPointer = #dsohandle) -> URL? {
[0;36m107 |[0;0m   var info = [4;39mdl_info[0;0m()
    [0;36m|[0;0m              `- [1;31merror: [1;39mcannot find 'dl_info' in scope[0;0m
[0;36m108 |[0;0m   if dladdr(dsohandle, &info) == 0 {
[0;36m109 |[0;0m     return nil
/host/spi-builder-workspace/Sources/SwiftSyntax/SwiftcInvocation.swift:108:6: [1;31merror: [1;39mcannot find 'dladdr' in scope[0;0m
[0;36m106 |[0;0m func findFirstObjectFile(for dsohandle: UnsafeRawPointer = #dsohandle) -> URL? {
[0;36m107 |[0;0m   var info = dl_info()
[0;36m108 |[0;0m   if [4;39mdladdr[0;0m(dsohandle, &info) == 0 {
    [0;36m|[0;0m      `- [1;31merror: [1;39mcannot find 'dladdr' in scope[0;0m
[0;36m109 |[0;0m     return nil
[0;36m110 |[0;0m   }
Failed frontend command:
/usr/bin/swift-frontend -frontend -c /host/spi-builder-workspace/Sources/SwiftSyntax/AtomicCache.swift /host/spi-builder-workspace/Sources/SwiftSyntax/RawSyntax.swift /host/spi-builder-workspace/Sources/SwiftSyntax/SourcePresence.swift /host/spi-builder-workspace/Sources/SwiftSyntax/SwiftSyntax.swift -primary-file /host/spi-builder-workspace/Sources/SwiftSyntax/SwiftcInvocation.swift -primary-file /host/spi-builder-workspace/Sources/SwiftSyntax/Syntax.swift /host/spi-builder-workspace/Sources/SwiftSyntax/SyntaxBuilders.swift /host/spi-builder-workspace/Sources/SwiftSyntax/SyntaxChildren.swift /host/spi-builder-workspace/Sources/SwiftSyntax/SyntaxCollection.swift /host/spi-builder-workspace/Sources/SwiftSyntax/SyntaxData.swift /host/spi-builder-workspace/Sources/SwiftSyntax/SyntaxFactory.swift /host/spi-builder-workspace/Sources/SwiftSyntax/SyntaxKind.swift /host/spi-builder-workspace/Sources/SwiftSyntax/SyntaxNodes.swift /host/spi-builder-workspace/Sources/SwiftSyntax/SyntaxRewriter.swift /host/spi-builder-workspace/Sources/SwiftSyntax/TokenKind.swift /host/spi-builder-workspace/Sources/SwiftSyntax/Trivia.swift -emit-dependencies-path /host/spi-builder-workspace/.build/out/Intermediates.noindex/SwiftSyntax.build/Debug-webassembly-wasm32/SwiftSyntax-t.build/Objects-normal/wasm32/SwiftcInvocation.d -emit-const-values-path /host/spi-builder-workspace/.build/out/Intermediates.noindex/SwiftSyntax.build/Debug-webassembly-wasm32/SwiftSyntax-t.build/Objects-normal/wasm32/SwiftcInvocation.swiftconstvalues -emit-reference-dependencies-path /host/spi-builder-workspace/.build/out/Intermediates.noindex/SwiftSyntax.build/Debug-webassembly-wasm32/SwiftSyntax-t.build/Objects-normal/wasm32/SwiftcInvocation.swiftdeps -serialize-diagnostics-path /host/spi-builder-workspace/.build/out/Intermediates.noindex/SwiftSyntax.build/Debug-webassembly-wasm32/SwiftSyntax-t.build/Objects-normal/wasm32/SwiftcInvocation.dia -emit-dependencies-path /host/spi-builder-workspace/.build/out/Intermediates.noindex/SwiftSyntax.build/Debug-webassembly-wasm32/SwiftSyntax-t.build/Objects-normal/wasm32/Syntax.d -emit-const-values-path /host/spi-builder-workspace/.build/out/Intermediates.noindex/SwiftSyntax.build/Debug-webassembly-wasm32/SwiftSyntax-t.build/Objects-normal/wasm32/Syntax.swiftconstvalues -emit-reference-dependencies-path /host/spi-builder-workspace/.build/out/Intermediates.noindex/SwiftSyntax.build/Debug-webassembly-wasm32/SwiftSyntax-t.build/Objects-normal/wasm32/Syntax.swiftdeps -serialize-diagnostics-path /host/spi-builder-workspace/.build/out/Intermediates.noindex/SwiftSyntax.build/Debug-webassembly-wasm32/SwiftSyntax-t.build/Objects-normal/wasm32/Syntax.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 4 -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/SwiftSyntax.build/Debug-webassembly-wasm32/SwiftSyntax-t.build/DerivedSources-normal/wasm32 -Xcc -I/host/spi-builder-workspace/.build/out/Intermediates.noindex/SwiftSyntax.build/Debug-webassembly-wasm32/SwiftSyntax-t.build/DerivedSources/wasm32 -Xcc -I/host/spi-builder-workspace/.build/out/Intermediates.noindex/SwiftSyntax.build/Debug-webassembly-wasm32/SwiftSyntax-t.build/DerivedSources -Xcc -DSWIFT_PACKAGE -Xcc -DDEBUG\=1 -no-auto-bridging-header-chaining -module-name SwiftSyntax -const-gather-protocols-file /host/spi-builder-workspace/.build/out/Intermediates.noindex/SwiftSyntax.build/Debug-webassembly-wasm32/SwiftSyntax-t.build/Objects-normal/wasm32/SwiftSyntax_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/SwiftSyntax.build/Debug-webassembly-wasm32/SwiftSyntax-t.build/Objects-normal/wasm32/SwiftcInvocation.o -o /host/spi-builder-workspace/.build/out/Intermediates.noindex/SwiftSyntax.build/Debug-webassembly-wasm32/SwiftSyntax-t.build/Objects-normal/wasm32/Syntax.o -index-unit-output-path /SwiftSyntax.build/Debug-webassembly-wasm32/SwiftSyntax-t.build/Objects-normal/wasm32/SwiftcInvocation.o -index-unit-output-path /SwiftSyntax.build/Debug-webassembly-wasm32/SwiftSyntax-t.build/Objects-normal/wasm32/Syntax.o -index-store-path /host/spi-builder-workspace/.build/out -index-system-modules
[28 / 35] SwiftSyntax
error: Build failed
BUILD FAILURE 6.4 wasm