Swift Package IndexBuild Information
Failed to build SignalHandler, reference main (bb52b9), with Swift 6.4 for Wasm on 20 Sep 2026 07:29:34 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>&1Build Log
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RunAll
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Builder version: 5.1.0
Interrupt handler set up.
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Checkout
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Clone URL: https://github.com/Genaro-Chris/SignalHandler.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/Genaro-Chris/SignalHandler
* branch main -> FETCH_HEAD
* [new branch] main -> origin/main
HEAD is now at bb52b9c fix the signal handling bug
Cloned https://github.com/Genaro-Chris/SignalHandler.git
Revision (git rev-parse @):
bb52b9c5df6eba21adb6d540a19a2da6e6fab2fa
SPI manifest file found: $PWD/.spi.yml
SUCCESS checkout https://github.com/Genaro-Chris/SignalHandler.git at main
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Build
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Selected platform: wasm
Swift version: 6.4
Building package at path: $PWD
https://github.com/Genaro-Chris/SignalHandler.git
Running build ...
bash -c docker run --pull=always --rm -v "checkouts-54344845-0":/host -w "$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/apple/swift-docc-plugin
[1/2345] Fetching swift-docc-plugin
Fetched https://github.com/apple/swift-docc-plugin (0.55s)
Fetching https://github.com/swiftlang/swift-docc-symbolkit
[1/3824] Fetching swift-docc-symbolkit
Fetched https://github.com/swiftlang/swift-docc-symbolkit (0.68s)
Computing version for https://github.com/swiftlang/swift-docc-symbolkit
Computed https://github.com/swiftlang/swift-docc-symbolkit at 1.0.0 (0.91s)
Creating working copy for https://github.com/apple/swift-docc-plugin
Working copy of https://github.com/apple/swift-docc-plugin resolved at main (647c708)
Creating working copy for https://github.com/swiftlang/swift-docc-symbolkit
Working copy of https://github.com/swiftlang/swift-docc-symbolkit resolved at 1.0.0
Building for debugging...
[Planning deferred tasks]
[23 / 31] SignalHandler
[28 / 31] SignalHandler
error: SwiftCompile normal wasm32 /host/spi-builder-workspace/Sources/SignalHandler/SignalHandler.swift failed with a nonzero exit code. Command line: cd /host
builtin-SwiftPerFileCompile SignalHandler.swift
/host/spi-builder-workspace/Sources/SignalHandler/SignalHandler.swift:98:33: [1;31merror: [1;39mcannot find 'signal' in scope[0;0m
[0;36m96 |[0;0m for i in self.signals {
[0;36m97 |[0;0m $0.addTask {
[0;36m98 |[0;0m let _ = [4;39msignal[0;0m(i.rawValue, notifer(value:))
[0;36m|[0;0m `- [1;31merror: [1;39mcannot find 'signal' in scope[0;0m
[0;36m99 |[0;0m }
[0;36m100 |[0;0m }
/host/spi-builder-workspace/Sources/SignalHandler/SignalHandler.swift:106:25: [1;31merror: [1;39mcannot find 'signal' in scope[0;0m
[0;36m104 |[0;0m for signals in self.signals {
[0;36m105 |[0;0m Task.detached(priority: .userInitiated) {
[0;36m106 |[0;0m let _ = [4;39msignal[0;0m(signals.rawValue, notifer(value:))
[0;36m|[0;0m `- [1;31merror: [1;39mcannot find 'signal' in scope[0;0m
[0;36m107 |[0;0m }
[0;36m108 |[0;0m }
Failed frontend command:
/usr/bin/swift-frontend -frontend -c -primary-file /host/spi-builder-workspace/Sources/SignalHandler/SignalHandler.swift /host/spi-builder-workspace/Sources/SignalHandler/Signals.swift /host/spi-builder-workspace/Sources/SignalHandler/SourceSequence.swift /host/spi-builder-workspace/Sources/SignalHandler/extensions.swift -emit-dependencies-path /host/spi-builder-workspace/.build/out/Intermediates.noindex/SignalHandler.build/Debug-webassembly-wasm32/SignalHandler-t.build/Objects-normal/wasm32/SignalHandler.d -emit-const-values-path /host/spi-builder-workspace/.build/out/Intermediates.noindex/SignalHandler.build/Debug-webassembly-wasm32/SignalHandler-t.build/Objects-normal/wasm32/SignalHandler.swiftconstvalues -emit-reference-dependencies-path /host/spi-builder-workspace/.build/out/Intermediates.noindex/SignalHandler.build/Debug-webassembly-wasm32/SignalHandler-t.build/Objects-normal/wasm32/SignalHandler.swiftdeps -serialize-diagnostics-path /host/spi-builder-workspace/.build/out/Intermediates.noindex/SignalHandler.build/Debug-webassembly-wasm32/SignalHandler-t.build/Objects-normal/wasm32/SignalHandler.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/SignalHandler.build/Debug-webassembly-wasm32/SignalHandler-t.build/DerivedSources-normal/wasm32 -Xcc -I/host/spi-builder-workspace/.build/out/Intermediates.noindex/SignalHandler.build/Debug-webassembly-wasm32/SignalHandler-t.build/DerivedSources/wasm32 -Xcc -I/host/spi-builder-workspace/.build/out/Intermediates.noindex/SignalHandler.build/Debug-webassembly-wasm32/SignalHandler-t.build/DerivedSources -Xcc -DSWIFT_PACKAGE -Xcc -DDEBUG\=1 -no-auto-bridging-header-chaining -module-name SignalHandler -const-gather-protocols-file /host/spi-builder-workspace/.build/out/Intermediates.noindex/SignalHandler.build/Debug-webassembly-wasm32/SignalHandler-t.build/Objects-normal/wasm32/SignalHandler_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/SignalHandler.build/Debug-webassembly-wasm32/SignalHandler-t.build/Objects-normal/wasm32/SignalHandler.o -index-unit-output-path /SignalHandler.build/Debug-webassembly-wasm32/SignalHandler-t.build/Objects-normal/wasm32/SignalHandler.o -index-store-path /host/spi-builder-workspace/.build/out -index-system-modules
error: Build failed
BUILD FAILURE 6.4 wasm