XCBuildKit – Build Information – Swift Package Index

Build Information

Failed to build XCBuildKit, reference 0.2.0 (b00bf1), with Swift 6.4 for Wasm on 21 Sep 2026 10:57:33 UTC.

Build Command

bash -c docker run --pull=always --rm -v "checkouts-54344844-0":/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

Build Log

========================================
RunAll
========================================
Builder version: 5.1.0
Interrupt handler set up.
========================================
Checkout
========================================
Clone URL: https://github.com/engali94/XCBuildKit.git
Reference: 0.2.0
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/engali94/XCBuildKit
 * tag               0.2.0      -> FETCH_HEAD
HEAD is now at b00bf1e More granular control over the build process
Cloned https://github.com/engali94/XCBuildKit.git
Revision (git rev-parse @):
b00bf1e051149afcf8a200d5c1c71b8056aae672
SPI manifest file found: $PWD/.spi.yml
SUCCESS checkout https://github.com/engali94/XCBuildKit.git at 0.2.0
========================================
Build
========================================
Selected platform:         wasm
Swift version:             6.4
Building package at path:  $PWD
https://github.com/engali94/XCBuildKit.git
Running build ...
bash -c docker run --pull=always --rm -v "checkouts-54344844-0":/host -w "$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 (0.63s)
Computing version for https://github.com/apple/swift-docc-plugin
Computed https://github.com/apple/swift-docc-plugin at 1.5.0 (1.79s)
Fetching https://github.com/swiftlang/swift-docc-symbolkit
[1/3824] Fetching swift-docc-symbolkit
Fetched https://github.com/swiftlang/swift-docc-symbolkit (0.60s)
Computing version for https://github.com/swiftlang/swift-docc-symbolkit
Computed https://github.com/swiftlang/swift-docc-symbolkit at 1.0.0 (0.84s)
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
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]
error: SwiftCompile normal wasm32 failed with a nonzero exit code. Command line:     cd /host

/host/spi-builder-workspace/Sources/XCBuildKit/Shell/ShellCommandExecuter.swift:235:26: [1;31merror: [1;39mcannot find type 'Process' in scope[0;0m
[0;36m233 |[0;0m
[0;36m234 |[0;0m private actor ProcessController {
[0;36m235 |[0;0m     private var process: [4;39mProcess[0;0m?
    [0;36m|[0;0m                          `- [1;31merror: [1;39mcannot find type 'Process' in scope[0;0m
[0;36m236 |[0;0m     private let stderrCollector = OutputCollector()
[0;36m237 |[0;0m
/host/spi-builder-workspace/Sources/XCBuildKit/Shell/ShellCommandExecuter.swift:243:10: [1;31merror: [1;39mcannot find type 'Process' in scope[0;0m
[0;36m241 |[0;0m         environment: [String: String],
[0;36m242 |[0;0m         workingDirectory: String?
[0;36m243 |[0;0m     ) -> [4;39mProcess[0;0m {
    [0;36m|[0;0m          `- [1;31merror: [1;39mcannot find type 'Process' in scope[0;0m
[0;36m244 |[0;0m         let process = Process()
[0;36m245 |[0;0m         process.executableURL = executable
Failed frontend command:
/usr/bin/swift-frontend -frontend -emit-module -experimental-skip-non-inlinable-function-bodies-without-types /host/spi-builder-workspace/Sources/XCBuildKit/Shell/ShellCommandExecuter.swift /host/spi-builder-workspace/Sources/XCBuildKit/Shell/ShellCommandExecuting.swift /host/spi-builder-workspace/Sources/XCBuildKit/Shell/ShellError.swift /host/spi-builder-workspace/Sources/XCBuildKit/Shell/ShellOutput.swift /host/spi-builder-workspace/Sources/XCBuildKit/XCBuild/BuildConfigurationValidator.swift /host/spi-builder-workspace/Sources/XCBuildKit/XCBuild/BuildLogFormattable.swift /host/spi-builder-workspace/Sources/XCBuildKit/XCBuild/BuildState.swift /host/spi-builder-workspace/Sources/XCBuildKit/XCBuild/XcodeBuild.swift /host/spi-builder-workspace/Sources/XCBuildKit/XCBuild/XcodeBuildAction.swift /host/spi-builder-workspace/Sources/XCBuildKit/XCBuild/XcodeBuildOptions.swift /host/spi-builder-workspace/Sources/XCBuildKit/XCBuild/XcodeBuilding.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 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.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/XCBuildKit.build/Debug-webassembly-wasm32/XCBuildKit-t.build/DerivedSources-normal/wasm32 -Xcc -I/host/spi-builder-workspace/.build/out/Intermediates.noindex/XCBuildKit.build/Debug-webassembly-wasm32/XCBuildKit-t.build/DerivedSources/wasm32 -Xcc -I/host/spi-builder-workspace/.build/out/Intermediates.noindex/XCBuildKit.build/Debug-webassembly-wasm32/XCBuildKit-t.build/DerivedSources -Xcc -DSWIFT_PACKAGE -Xcc -DDEBUG\=1 -no-auto-bridging-header-chaining -module-name XCBuildKit -package-name spi_builder_workspace -const-gather-protocols-file /host/spi-builder-workspace/.build/out/Intermediates.noindex/XCBuildKit.build/Debug-webassembly-wasm32/XCBuildKit-t.build/Objects-normal/wasm32/XCBuildKit_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/XCBuildKit.build/Debug-webassembly-wasm32/XCBuildKit-t.build/Objects-normal/wasm32/Modules/XCBuildKit.swiftdoc -emit-module-source-info-path /host/spi-builder-workspace/.build/out/Intermediates.noindex/XCBuildKit.build/Debug-webassembly-wasm32/XCBuildKit-t.build/Objects-normal/wasm32/Modules/XCBuildKit.swiftsourceinfo -emit-objc-header-path /host/spi-builder-workspace/.build/out/Intermediates.noindex/XCBuildKit.build/Debug-webassembly-wasm32/XCBuildKit-t.build/Objects-normal/wasm32/XCBuildKit-Swift.h -serialize-diagnostics-path /host/spi-builder-workspace/.build/out/Intermediates.noindex/XCBuildKit.build/Debug-webassembly-wasm32/XCBuildKit-t.build/Objects-normal/wasm32/XCBuildKit-primary-emit-module.dia -emit-dependencies-path /host/spi-builder-workspace/.build/out/Intermediates.noindex/XCBuildKit.build/Debug-webassembly-wasm32/XCBuildKit-t.build/Objects-normal/wasm32/XCBuildKit-primary-emit-module.d -parse-as-library -o /host/spi-builder-workspace/.build/out/Intermediates.noindex/XCBuildKit.build/Debug-webassembly-wasm32/XCBuildKit-t.build/Objects-normal/wasm32/Modules/XCBuildKit.swiftmodule
error: Build failed
BUILD FAILURE 6.4 wasm