Build Information
Failed to build sebbu-concurrency, reference main (d63b50), with Swift 6.4 for Wasm on 24 Sep 2026 04:50:22 UTC.
Build Command
bash -c docker run --pull=always --rm -v "checkouts-53886769-0":/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
========================================
RunAll
========================================
Builder version: 5.1.0
Interrupt handler set up.
========================================
Checkout
========================================
Clone URL: https://github.com/MarSe32m/sebbu-concurrency.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/MarSe32m/sebbu-concurrency
* branch main -> FETCH_HEAD
* [new branch] main -> origin/main
HEAD is now at d63b505 Merge remote-tracking branch 'refs/remotes/origin/main'
Cloned https://github.com/MarSe32m/sebbu-concurrency.git
Revision (git rev-parse @):
d63b505378f8672b5c714fad3eccd526aa1bac14
SUCCESS checkout https://github.com/MarSe32m/sebbu-concurrency.git at main
========================================
Build
========================================
Selected platform: wasm
Swift version: 6.4
Building package at path: $PWD
https://github.com/MarSe32m/sebbu-concurrency.git
Running build ...
bash -c docker run --pull=always --rm -v "checkouts-53886769-0":/host -w "$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/MarSe32m/sebbu-ts-ds.git
[1/1038] Fetching sebbu-ts-ds
Fetched https://github.com/MarSe32m/sebbu-ts-ds.git (0.47s)
Fetching https://github.com/apple/swift-collections.git
[1/27693] Fetching swift-collections
Fetched https://github.com/apple/swift-collections.git (1.19s)
Creating working copy for https://github.com/MarSe32m/sebbu-ts-ds.git
Working copy of https://github.com/MarSe32m/sebbu-ts-ds.git resolved at main (915df95)
Creating working copy for https://github.com/apple/swift-collections.git
Working copy of https://github.com/apple/swift-collections.git resolved at main (a66de87)
Building for debugging...
[Computing dependencies]
[Pre-planning 1 / 273]
[Constructing 338 / 574]
[59 / 105] InternalCollectionsUtilities
[60 / 105] InternalCollectionsUtilities
[74 / 110] SpanPreview
[84 / 120] HeapModule
[86 / 122] DequeModule
[97 / 130] HeapModule
[100 / 132] HeapModule
[105 / 132] DequeModule
[107 / 132] DequeModule
[107 / 133] DequeModule
error: SwiftCompile normal wasm32 /host/spi-builder-workspace/.build/checkouts/sebbu-ts-ds/Sources/SebbuTSDS/Locked/Stacks/SpinlockedBoundedStack.swift failed with a nonzero exit code. Command line: cd /host
builtin-SwiftPerFileCompile SpinlockedBoundedStack.swift
error: SwiftCompile normal wasm32 /host/spi-builder-workspace/.build/checkouts/sebbu-ts-ds/Sources/SebbuTSDS/Locked/Stacks/SpinlockedStack.swift failed with a nonzero exit code. Command line: cd /host
builtin-SwiftPerFileCompile SpinlockedStack.swift
error: SwiftCompile normal wasm32 /host/spi-builder-workspace/.build/checkouts/sebbu-ts-ds/Sources/SebbuTSDS/Protocols/ConcurrentDeque.swift failed with a nonzero exit code. Command line: cd /host
builtin-SwiftPerFileCompile ConcurrentDeque.swift
/host/spi-builder-workspace/.build/checkouts/sebbu-ts-ds/Sources/SebbuTSDS/Utilities/Utilities.swift:18:8: [1;31merror: [1;39mUnsupported platform[0;0m
[0;36m16 |[0;0m import WinSDK
[0;36m17 |[0;0m #else
[0;36m18 |[0;0m #error([4;39m"Unsupported platform"[0;0m)
[0;36m|[0;0m `- [1;31merror: [1;39mUnsupported platform[0;0m
[0;36m19 |[0;0m #endif
[0;36m20 |[0;0m
Failed frontend command:
/usr/bin/swift-frontend -frontend -c /host/spi-builder-workspace/.build/checkouts/sebbu-ts-ds/Sources/SebbuTSDS/Lock\ Free/Queues/MPMCBoundedQueue.swift /host/spi-builder-workspace/.build/checkouts/sebbu-ts-ds/Sources/SebbuTSDS/Lock\ Free/Queues/MPSCBoundedQueue.swift /host/spi-builder-workspace/.build/checkouts/sebbu-ts-ds/Sources/SebbuTSDS/Lock\ Free/Queues/MPSCQueue.swift /host/spi-builder-workspace/.build/checkouts/sebbu-ts-ds/Sources/SebbuTSDS/Lock\ Free/Queues/SPMCBoundedQueue.swift /host/spi-builder-workspace/.build/checkouts/sebbu-ts-ds/Sources/SebbuTSDS/Lock\ Free/Queues/SPSCBoundedQueue.swift /host/spi-builder-workspace/.build/checkouts/sebbu-ts-ds/Sources/SebbuTSDS/Lock\ Free/Queues/SPSCQueue.swift /host/spi-builder-workspace/.build/checkouts/sebbu-ts-ds/Sources/SebbuTSDS/Locked/Heaps/LockedPriorityQueue.swift /host/spi-builder-workspace/.build/checkouts/sebbu-ts-ds/Sources/SebbuTSDS/Locked/Heaps/SpinlockedPriorityQueue.swift /host/spi-builder-workspace/.build/checkouts/sebbu-ts-ds/Sources/SebbuTSDS/Locked/Queues/LockedBoundedQueue.swift /host/spi-builder-workspace/.build/checkouts/sebbu-ts-ds/Sources/SebbuTSDS/Locked/Queues/LockedDeque.swift /host/spi-builder-workspace/.build/checkouts/sebbu-ts-ds/Sources/SebbuTSDS/Locked/Queues/LockedQueue.swift /host/spi-builder-workspace/.build/checkouts/sebbu-ts-ds/Sources/SebbuTSDS/Locked/Queues/SpinlockedBoundedQueue.swift /host/spi-builder-workspace/.build/checkouts/sebbu-ts-ds/Sources/SebbuTSDS/Locked/Queues/SpinlockedDeque.swift /host/spi-builder-workspace/.build/checkouts/sebbu-ts-ds/Sources/SebbuTSDS/Locked/Queues/SpinlockedQueue.swift /host/spi-builder-workspace/.build/checkouts/sebbu-ts-ds/Sources/SebbuTSDS/Locked/Stacks/LockedBoundedStack.swift /host/spi-builder-workspace/.build/checkouts/sebbu-ts-ds/Sources/SebbuTSDS/Locked/Stacks/LockedStack.swift -primary-file /host/spi-builder-workspace/.build/checkouts/sebbu-ts-ds/Sources/SebbuTSDS/Locked/Stacks/SpinlockedBoundedStack.swift -primary-file /host/spi-builder-workspace/.build/checkouts/sebbu-ts-ds/Sources/SebbuTSDS/Locked/Stacks/SpinlockedStack.swift -primary-file /host/spi-builder-workspace/.build/checkouts/sebbu-ts-ds/Sources/SebbuTSDS/Protocols/ConcurrentDeque.swift /host/spi-builder-workspace/.build/checkouts/sebbu-ts-ds/Sources/SebbuTSDS/Protocols/ConcurrentQueue.swift /host/spi-builder-workspace/.build/checkouts/sebbu-ts-ds/Sources/SebbuTSDS/Protocols/ConcurrentStack.swift /host/spi-builder-workspace/.build/checkouts/sebbu-ts-ds/Sources/SebbuTSDS/Utilities/HardwarePause.swift /host/spi-builder-workspace/.build/checkouts/sebbu-ts-ds/Sources/SebbuTSDS/Utilities/Lock.swift /host/spi-builder-workspace/.build/checkouts/sebbu-ts-ds/Sources/SebbuTSDS/Utilities/Spinlock.swift /host/spi-builder-workspace/.build/checkouts/sebbu-ts-ds/Sources/SebbuTSDS/Utilities/Utilities.swift -supplementary-output-file-map /host/spi-builder-workspace/.build/out/Intermediates.noindex/sebbu-ts-ds.build/Debug-webassembly-wasm32/SebbuTSDS-t.build/Objects-normal/wasm32/supplementaryOutputs-22 -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 -suppress-warnings -swift-version 5 -Onone -D SWIFT_PACKAGE -D DEBUG -D SWIFT_MODULE_RESOURCE_BUNDLE_UNAVAILABLE -D Xcode -serialize-debugging-options -enable-experimental-feature Extern -enable-experimental-feature BuiltinModule -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/sebbu-ts-ds.build/Debug-webassembly-wasm32/SebbuTSDS-t.build/DerivedSources-normal/wasm32 -Xcc -I/host/spi-builder-workspace/.build/out/Intermediates.noindex/sebbu-ts-ds.build/Debug-webassembly-wasm32/SebbuTSDS-t.build/DerivedSources/wasm32 -Xcc -I/host/spi-builder-workspace/.build/out/Intermediates.noindex/sebbu-ts-ds.build/Debug-webassembly-wasm32/SebbuTSDS-t.build/DerivedSources -Xcc -DSWIFT_PACKAGE -Xcc -DDEBUG\=1 -no-auto-bridging-header-chaining -module-name SebbuTSDS -package-name sebbu_ts_ds -const-gather-protocols-file /host/spi-builder-workspace/.build/out/Intermediates.noindex/sebbu-ts-ds.build/Debug-webassembly-wasm32/SebbuTSDS-t.build/Objects-normal/wasm32/SebbuTSDS_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/sebbu-ts-ds.build/Debug-webassembly-wasm32/SebbuTSDS-t.build/Objects-normal/wasm32/SpinlockedBoundedStack.o -o /host/spi-builder-workspace/.build/out/Intermediates.noindex/sebbu-ts-ds.build/Debug-webassembly-wasm32/SebbuTSDS-t.build/Objects-normal/wasm32/SpinlockedStack.o -o /host/spi-builder-workspace/.build/out/Intermediates.noindex/sebbu-ts-ds.build/Debug-webassembly-wasm32/SebbuTSDS-t.build/Objects-normal/wasm32/ConcurrentDeque.o -index-unit-output-path /sebbu-ts-ds.build/Debug-webassembly-wasm32/SebbuTSDS-t.build/Objects-normal/wasm32/SpinlockedBoundedStack.o -index-unit-output-path /sebbu-ts-ds.build/Debug-webassembly-wasm32/SebbuTSDS-t.build/Objects-normal/wasm32/SpinlockedStack.o -index-unit-output-path /sebbu-ts-ds.build/Debug-webassembly-wasm32/SebbuTSDS-t.build/Objects-normal/wasm32/ConcurrentDeque.o -index-store-path /host/spi-builder-workspace/.build/out -index-system-modules
[125 / 143] SebbuTSDS
error: Build failed
BUILD FAILURE 6.4 wasm