Swift Package IndexBuild Information
Failed to build alpaca.swift, reference v0.1.0 (e89aff), with Swift 6.4 for Wasm on 3 Nov 2026 06:30:00 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-6.4.0-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/torinriley/alpaca.git
Reference: v0.1.0
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/torinriley/alpaca
* tag v0.1.0 -> FETCH_HEAD
HEAD is now at e89affe Prepare 0.1.0: install via version tag, citation metadata, changelog, release notes
Cloned https://github.com/torinriley/alpaca.git
Revision (git rev-parse @):
e89affe14b1576f47856f1a1a9472f2f17a8e3bf
SUCCESS checkout https://github.com/torinriley/alpaca.git at v0.1.0
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Build
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Selected platform: wasm
Swift version: 6.4
Building package at path: $PWD
https://github.com/torinriley/alpaca.git
Running build ...
bash -c docker run --pull=always --rm -v "checkouts-53886769-0":/host -w "$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-6.4.0-RELEASE_wasm 2>&1
wasm-6.4-latest: Pulling from saguaro1/spi-images
Digest: sha256:0ad19d16955074ecc72bbe910025b19c4e4614184c1a48afc82660d4c7620121
Status: Image is up to date for registry.gitlab.com/saguaro1/spi-images:wasm-6.4-latest
Building for debugging...
[Constructing description]
[Planning 1 / 327]
[73 / 115] AlpacaCore
[74 / 115] AlpacaCore
[84 / 115] AlpacaCore
[86 / 115] AlpacaModels
[89 / 123] AlpacaModels
error: SwiftCompile normal wasm32 /host/spi-builder-workspace/Sources/AlpacaCore/Operations/CPUOps.swift failed with a nonzero exit code. Command line: cd /host
builtin-SwiftPerFileCompile CPUOps.swift
/host/spi-builder-workspace/Sources/AlpacaCore/Operations/CPUOps.swift:94:13: [1;31merror: [1;39mcannot find 'DispatchQueue' in scope[0;0m
[0;36m92 |[0;0m let chunks = (n + rowsPerChunk - 1) / rowsPerChunk
[0;36m93 |[0;0m for t in 0..<m {
[0;36m94 |[0;0m [4;39mDispatchQueue[0;0m.concurrentPerform(iterations: chunks) { chunk in
[0;36m|[0;0m `- [1;31merror: [1;39mcannot find 'DispatchQueue' in scope[0;0m
[0;36m95 |[0;0m let x = shared.x + t * k
[0;36m96 |[0;0m for r in (chunk * rowsPerChunk)..<min(n, (chunk + 1) * rowsPerChunk) {
Failed frontend command:
/usr/bin/swift-frontend -frontend -c -primary-file /host/spi-builder-workspace/Sources/AlpacaCore/Memory/MemoryBudget.swift -primary-file /host/spi-builder-workspace/Sources/AlpacaCore/Operations/CPUOps.swift /host/spi-builder-workspace/Sources/AlpacaCore/Operations/Quantization.swift /host/spi-builder-workspace/Sources/AlpacaCore/Runtime/ErrorMetrics.swift /host/spi-builder-workspace/Sources/AlpacaCore/Runtime/Sampler.swift /host/spi-builder-workspace/Sources/AlpacaCore/Tensor/DType.swift /host/spi-builder-workspace/Sources/AlpacaCore/Tensor/Tensor.swift /host/spi-builder-workspace/Sources/AlpacaCore/Tensor/TensorError.swift /host/spi-builder-workspace/Sources/AlpacaCore/Tensor/TensorStorage.swift /host/spi-builder-workspace/Sources/AlpacaCore/Transformer/KVCache.swift /host/spi-builder-workspace/Sources/AlpacaCore/Transformer/LlamaCPUModel.swift /host/spi-builder-workspace/Sources/AlpacaCore/Transformer/LlamaConfig.swift /host/spi-builder-workspace/Sources/AlpacaCore/Transformer/LlamaWeights.swift -emit-dependencies-path /host/spi-builder-workspace/.build/out/Intermediates.noindex/alpaca.swift.build/Debug-webassembly-wasm32/AlpacaCore-t.build/Objects-normal/wasm32/MemoryBudget.d -emit-const-values-path /host/spi-builder-workspace/.build/out/Intermediates.noindex/alpaca.swift.build/Debug-webassembly-wasm32/AlpacaCore-t.build/Objects-normal/wasm32/MemoryBudget.swiftconstvalues -emit-reference-dependencies-path /host/spi-builder-workspace/.build/out/Intermediates.noindex/alpaca.swift.build/Debug-webassembly-wasm32/AlpacaCore-t.build/Objects-normal/wasm32/MemoryBudget.swiftdeps -serialize-diagnostics-path /host/spi-builder-workspace/.build/out/Intermediates.noindex/alpaca.swift.build/Debug-webassembly-wasm32/AlpacaCore-t.build/Objects-normal/wasm32/MemoryBudget.dia -emit-dependencies-path /host/spi-builder-workspace/.build/out/Intermediates.noindex/alpaca.swift.build/Debug-webassembly-wasm32/AlpacaCore-t.build/Objects-normal/wasm32/CPUOps.d -emit-const-values-path /host/spi-builder-workspace/.build/out/Intermediates.noindex/alpaca.swift.build/Debug-webassembly-wasm32/AlpacaCore-t.build/Objects-normal/wasm32/CPUOps.swiftconstvalues -emit-reference-dependencies-path /host/spi-builder-workspace/.build/out/Intermediates.noindex/alpaca.swift.build/Debug-webassembly-wasm32/AlpacaCore-t.build/Objects-normal/wasm32/CPUOps.swiftdeps -serialize-diagnostics-path /host/spi-builder-workspace/.build/out/Intermediates.noindex/alpaca.swift.build/Debug-webassembly-wasm32/AlpacaCore-t.build/Objects-normal/wasm32/CPUOps.dia -target wasm32-unknown-wasip1 -disable-objc-interop -sdk /root/.swiftpm/swift-sdks/swift-6.4.0-RELEASE_wasm.artifactbundle/swift-6.4.0-RELEASE_wasm/wasm32-unknown-wasip1/WASI.sdk -sysroot /root/.swiftpm/swift-sdks/swift-6.4.0-RELEASE_wasm.artifactbundle/swift-6.4.0-RELEASE_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 6 -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-6.4.0-RELEASE_wasm.artifactbundle/swift-6.4.0-RELEASE_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-6.4.0-RELEASE_wasm.artifactbundle/swift-6.4.0-RELEASE_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/alpaca.swift.build/Debug-webassembly-wasm32/AlpacaCore-t.build/DerivedSources-normal/wasm32 -Xcc -I/host/spi-builder-workspace/.build/out/Intermediates.noindex/alpaca.swift.build/Debug-webassembly-wasm32/AlpacaCore-t.build/DerivedSources/wasm32 -Xcc -I/host/spi-builder-workspace/.build/out/Intermediates.noindex/alpaca.swift.build/Debug-webassembly-wasm32/AlpacaCore-t.build/DerivedSources -Xcc -DSWIFT_PACKAGE -Xcc -DDEBUG\=1 -no-auto-bridging-header-chaining -module-name AlpacaCore -package-name spi_builder_workspace -const-gather-protocols-file /host/spi-builder-workspace/.build/out/Intermediates.noindex/alpaca.swift.build/Debug-webassembly-wasm32/AlpacaCore-t.build/Objects-normal/wasm32/AlpacaCore_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/alpaca.swift.build/Debug-webassembly-wasm32/AlpacaCore-t.build/Objects-normal/wasm32/MemoryBudget.o -o /host/spi-builder-workspace/.build/out/Intermediates.noindex/alpaca.swift.build/Debug-webassembly-wasm32/AlpacaCore-t.build/Objects-normal/wasm32/CPUOps.o -index-unit-output-path /alpaca.swift.build/Debug-webassembly-wasm32/AlpacaCore-t.build/Objects-normal/wasm32/MemoryBudget.o -index-unit-output-path /alpaca.swift.build/Debug-webassembly-wasm32/AlpacaCore-t.build/Objects-normal/wasm32/CPUOps.o -index-store-path /host/spi-builder-workspace/.build/out -index-system-modules
error: Build failed
BUILD FAILURE 6.4 wasm