Swift Package IndexBuild Information
Failed to build PythonKit, reference v0.5.1 (6fee76), with Swift 6.4 for Wasm on 21 Sep 2026 23:29:10 UTC.
Build Command
bash -c docker run --pull=always --rm -v "checkouts-54344843-0":/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/pvieito/PythonKit.git
Reference: v0.5.1
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/pvieito/PythonKit
* tag v0.5.1 -> FETCH_HEAD
HEAD is now at 6fee761 Fix warnings.
Cloned https://github.com/pvieito/PythonKit.git
Revision (git rev-parse @):
6fee7617cfa910fbac7035276e295ba967adbbb4
SUCCESS checkout https://github.com/pvieito/PythonKit.git at v0.5.1
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Build
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Selected platform: wasm
Swift version: 6.4
Building package at path: $PWD
https://github.com/pvieito/PythonKit.git
Running build ...
bash -c docker run --pull=always --rm -v "checkouts-54344843-0":/host -w "$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
Building for debugging...
[Planning deferred tasks]
error: SwiftCompile normal wasm32 failed with a nonzero exit code. Command line: cd /host
[23 / 31] PythonKit
/host/spi-builder-workspace/PythonKit/PythonLibrary.swift:120:34: [1;31merror: [1;39mcannot find 'librarySearchPaths' in scope[0;0m
[0;36m118 |[0;0m private static let libraryPaths: [String] = {
[0;36m119 |[0;0m var libraryPaths: [String] = []
[0;36m120 |[0;0m for librarySearchPath in [4;39mlibrarySearchPaths[0;0m {
[0;36m|[0;0m `- [1;31merror: [1;39mcannot find 'librarySearchPaths' in scope[0;0m
[0;36m121 |[0;0m for libraryName in libraryNames {
[0;36m122 |[0;0m for libraryPathExtension in libraryPathExtensions {
/host/spi-builder-workspace/PythonKit/PythonLibrary.swift:121:32: [1;31merror: [1;39mcannot find 'libraryNames' in scope[0;0m
[0;36m119 |[0;0m var libraryPaths: [String] = []
[0;36m120 |[0;0m for librarySearchPath in librarySearchPaths {
[0;36m121 |[0;0m for libraryName in [4;39mlibraryNames[0;0m {
[0;36m|[0;0m `- [1;31merror: [1;39mcannot find 'libraryNames' in scope[0;0m
[0;36m122 |[0;0m for libraryPathExtension in libraryPathExtensions {
[0;36m123 |[0;0m let libraryPath =
/host/spi-builder-workspace/PythonKit/PythonLibrary.swift:122:45: [1;31merror: [1;39mcannot find 'libraryPathExtensions' in scope[0;0m
[0;36m120 |[0;0m for librarySearchPath in librarySearchPaths {
[0;36m121 |[0;0m for libraryName in libraryNames {
[0;36m122 |[0;0m for libraryPathExtension in [4;39mlibraryPathExtensions[0;0m {
[0;36m|[0;0m `- [1;31merror: [1;39mcannot find 'libraryPathExtensions' in scope[0;0m
[0;36m123 |[0;0m let libraryPath =
[0;36m124 |[0;0m librarySearchPath + libraryName + libraryPathExtension
Failed frontend command:
/usr/bin/swift-frontend -frontend -emit-module -experimental-skip-non-inlinable-function-bodies-without-types /host/spi-builder-workspace/PythonKit/NumpyConversion.swift /host/spi-builder-workspace/PythonKit/Python.swift /host/spi-builder-workspace/PythonKit/PythonLibrary+Symbols.swift /host/spi-builder-workspace/PythonKit/PythonLibrary.swift -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/PythonKit.build/Debug-webassembly-wasm32/PythonKit-t.build/DerivedSources-normal/wasm32 -Xcc -I/host/spi-builder-workspace/.build/out/Intermediates.noindex/PythonKit.build/Debug-webassembly-wasm32/PythonKit-t.build/DerivedSources/wasm32 -Xcc -I/host/spi-builder-workspace/.build/out/Intermediates.noindex/PythonKit.build/Debug-webassembly-wasm32/PythonKit-t.build/DerivedSources -Xcc -DSWIFT_PACKAGE -Xcc -DDEBUG\=1 -no-auto-bridging-header-chaining -module-name PythonKit -const-gather-protocols-file /host/spi-builder-workspace/.build/out/Intermediates.noindex/PythonKit.build/Debug-webassembly-wasm32/PythonKit-t.build/Objects-normal/wasm32/PythonKit_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 -emit-module-doc-path /host/spi-builder-workspace/.build/out/Intermediates.noindex/PythonKit.build/Debug-webassembly-wasm32/PythonKit-t.build/Objects-normal/wasm32/Modules/PythonKit.swiftdoc -emit-module-source-info-path /host/spi-builder-workspace/.build/out/Intermediates.noindex/PythonKit.build/Debug-webassembly-wasm32/PythonKit-t.build/Objects-normal/wasm32/Modules/PythonKit.swiftsourceinfo -emit-objc-header-path /host/spi-builder-workspace/.build/out/Intermediates.noindex/PythonKit.build/Debug-webassembly-wasm32/PythonKit-t.build/Objects-normal/wasm32/PythonKit-Swift.h -serialize-diagnostics-path /host/spi-builder-workspace/.build/out/Intermediates.noindex/PythonKit.build/Debug-webassembly-wasm32/PythonKit-t.build/Objects-normal/wasm32/PythonKit-primary-emit-module.dia -emit-dependencies-path /host/spi-builder-workspace/.build/out/Intermediates.noindex/PythonKit.build/Debug-webassembly-wasm32/PythonKit-t.build/Objects-normal/wasm32/PythonKit-primary-emit-module.d -parse-as-library -o /host/spi-builder-workspace/.build/out/Intermediates.noindex/PythonKit.build/Debug-webassembly-wasm32/PythonKit-t.build/Objects-normal/wasm32/Modules/PythonKit.swiftmodule
error: Build failed
BUILD FAILURE 6.4 wasm