Build Information
Failed to build package-concurrency-helpers, reference main (8f5fdc), with Swift 6.4 for Wasm on 5 Nov 2026 16:19:19 UTC.
Build Command
bash -c docker run --pull=always --rm -v "checkouts-54344849-0":/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-6.4.0-RELEASE_wasm 2>&1Build Log
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RunAll
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Builder version: 5.1.4
Interrupt handler set up.
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Checkout
========================================
Clone URL: https://github.com/ordo-one/package-concurrency-helpers.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/ordo-one/package-concurrency-helpers
* branch main -> FETCH_HEAD
* [new branch] main -> origin/main
HEAD is now at 8f5fdc2 ci: 🔄 synced local '.github/workflows/' with remote 'workflows/swift'
Cloned https://github.com/ordo-one/package-concurrency-helpers.git
Revision (git rev-parse @):
8f5fdc25bbcd2295c0a0672286f3061c581157d9
SUCCESS checkout https://github.com/ordo-one/package-concurrency-helpers.git at main
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Build
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Selected platform: wasm
Swift version: 6.4
Building package at path: $PWD
https://github.com/ordo-one/package-concurrency-helpers.git
Running build ...
bash -c docker run --pull=always --rm -v "checkouts-54344849-0":/host -w "$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-6.4.0-RELEASE_wasm 2>&1
wasm-6.4-latest: Pulling from saguaro1/spi-images
Digest: sha256:439c9a525449f13061cf4a8f755895df6bdc90ef7885bc03630392396f826d74
Status: Image is up to date for registry.gitlab.com/saguaro1/spi-images:wasm-6.4-latest
Fetching https://github.com/apple/swift-atomics
Fetching https://github.com/apple/swift-docc-plugin
Fetching https://github.com/mattgallagher/CwlPreconditionTesting
[1/1257] Fetching cwlpreconditiontesting
[1258/3602] Fetching cwlpreconditiontesting, swift-docc-plugin
[1493/5528] Fetching cwlpreconditiontesting, swift-docc-plugin, swift-atomics
Fetched https://github.com/mattgallagher/CwlPreconditionTesting (0.56s)
Fetched https://github.com/apple/swift-docc-plugin (0.56s)
Fetched https://github.com/apple/swift-atomics (0.56s)
Computing version for https://github.com/apple/swift-atomics
Computed https://github.com/apple/swift-atomics at 1.3.1 (0.71s)
Computing version for https://github.com/mattgallagher/CwlPreconditionTesting
Computed https://github.com/mattgallagher/CwlPreconditionTesting at 2.2.2 (0.16s)
Fetching https://github.com/mattgallagher/CwlCatchException.git
[1/460] Fetching cwlcatchexception
Fetched https://github.com/mattgallagher/CwlCatchException.git (0.37s)
Computing version for https://github.com/mattgallagher/CwlCatchException.git
Computed https://github.com/mattgallagher/CwlCatchException.git at 2.2.1 (0.54s)
Computing version for https://github.com/apple/swift-docc-plugin
Computed https://github.com/apple/swift-docc-plugin at 1.5.0 (0.17s)
Fetching https://github.com/swiftlang/swift-docc-symbolkit
[1/3863] Fetching swift-docc-symbolkit
Fetched https://github.com/swiftlang/swift-docc-symbolkit (0.67s)
Computing version for https://github.com/swiftlang/swift-docc-symbolkit
Computed https://github.com/swiftlang/swift-docc-symbolkit at 1.0.0 (0.87s)
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
Creating working copy for https://github.com/mattgallagher/CwlCatchException.git
Working copy of https://github.com/mattgallagher/CwlCatchException.git resolved at 2.2.1
Creating working copy for https://github.com/apple/swift-atomics
Working copy of https://github.com/apple/swift-atomics resolved at 1.3.1
Creating working copy for https://github.com/mattgallagher/CwlPreconditionTesting
Working copy of https://github.com/mattgallagher/CwlPreconditionTesting resolved at 2.2.2
Creating working copy for https://github.com/apple/swift-docc-plugin
Working copy of https://github.com/apple/swift-docc-plugin resolved at 1.5.0
Building for debugging...
[Constructing description]
[Planning deferred tasks]
In file included from /host/spi-builder-workspace/Sources/_PauseShims/_PauseShims.c:13:
[1m/host/spi-builder-workspace/Sources/_PauseShims/include/_PauseShims.h:20:5: [0m[0;1;31merror: [0m[1m"Unknown CPU architecture"[0m
20 | # error [0;32m"Unknown CPU architecture"[0m
| [0;1;32m ^
[0m1 error generated.
error: CompileC /host/spi-builder-workspace/.build/out/Intermediates.noindex/package-concurrency-helpers.build/Debug-webassembly-wasm32/_PauseShims-t.build/Objects-normal/wasm32/_PauseShims.o /host/spi-builder-workspace/Sources/_PauseShims/_PauseShims.c normal wasm32 c com.apple.compilers.llvm.clang.1_0.compiler failed with a nonzero exit code. Command line: cd /host
Using response file: /host/spi-builder-workspace/.build/out/Intermediates.noindex/package-concurrency-helpers.build/Debug-webassembly-wasm32/_PauseShims-t.build/Objects-normal/wasm32/9f65232cb83f8421e3a495a5062eba382369c975104ee97bafc405ab795bfc5e-common-args.resp
/usr/bin/clang -x c -target wasm32-unknown-wasip1 -fmessage-length\=0 -fdiagnostics-show-note-include-stack -fmacro-backtrace-limit\=0 -fcolor-diagnostics -Wno-trigraphs -Wno-missing-field-initializers -Wno-missing-prototypes -Wno-return-type -Wno-missing-braces -Wparentheses -Wswitch -Wno-unused-function -Wno-unused-label -Wno-unused-parameter -Wno-unused-variable -Wunused-value -Wno-empty-body -Wno-uninitialized -Wno-unknown-pragmas -Wno-shadow -Wno-four-char-constants -Wno-conversion -Wno-constant-conversion -Wno-int-conversion -Wno-bool-conversion -Wno-enum-conversion -Wno-float-conversion -Wno-non-literal-null-conversion -Wno-objc-literal-conversion -Wno-shorten-64-to-32 -Wpointer-sign -Wno-newline-eof -Wno-implicit-fallthrough -fstrict-aliasing -Wdeprecated-declarations -Wno-sign-conversion -Wno-infinite-recursion -Wno-comma -Wno-block-capture-autoreleasing -Wno-strict-prototypes -Wno-semicolon-before-method-body --sysroot /root/.swiftpm/swift-sdks/swift-6.4.0-RELEASE_wasm.artifactbundle/swift-6.4.0-RELEASE_wasm/wasm32-unknown-wasip1/WASI.sdk @/host/spi-builder-workspace/.build/out/Intermediates.noindex/package-concurrency-helpers.build/Debug-webassembly-wasm32/_PauseShims-t.build/Objects-normal/wasm32/9f65232cb83f8421e3a495a5062eba382369c975104ee97bafc405ab795bfc5e-common-args.resp -MMD -MT dependencies -MF /host/spi-builder-workspace/.build/out/Intermediates.noindex/package-concurrency-helpers.build/Debug-webassembly-wasm32/_PauseShims-t.build/Objects-normal/wasm32/_PauseShims.d --serialize-diagnostics /host/spi-builder-workspace/.build/out/Intermediates.noindex/package-concurrency-helpers.build/Debug-webassembly-wasm32/_PauseShims-t.build/Objects-normal/wasm32/_PauseShims.dia -c /host/spi-builder-workspace/Sources/_PauseShims/_PauseShims.c -o /host/spi-builder-workspace/.build/out/Intermediates.noindex/package-concurrency-helpers.build/Debug-webassembly-wasm32/_PauseShims-t.build/Objects-normal/wasm32/_PauseShims.o
error: Build failed
BUILD FAILURE 6.4 wasm