WebAPIKit – Build Information – Swift Package Index

Build Information

Failed to build WebAPIKit, reference 0.2.0 (2832a1), with Swift 6.4 for Wasm on 23 Sep 2026 06:44:02 UTC.

Build Command

bash -c docker run --pull=always --rm -v "checkouts-53886770-1":/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/swiftwasm/WebAPIKit.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/swiftwasm/WebAPIKit
 * tag               0.2.0      -> FETCH_HEAD
HEAD is now at 2832a10 Regenerate with @webref/idl 3.60.3
Cloned https://github.com/swiftwasm/WebAPIKit.git
Revision (git rev-parse @):
2832a10fdfd8b4990591d2b72d35cfacf7c647f3
SUCCESS checkout https://github.com/swiftwasm/WebAPIKit.git at 0.2.0
========================================
Build
========================================
Selected platform:         wasm
Swift version:             6.4
Building package at path:  $PWD
https://github.com/swiftwasm/WebAPIKit.git
Running build ...
bash -c docker run --pull=always --rm -v "checkouts-53886770-1":/host -w "$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/swiftwasm/JavaScriptKit.git
[1/40812] Fetching javascriptkit
Fetched https://github.com/swiftwasm/JavaScriptKit.git (1.25s)
Computing version for https://github.com/swiftwasm/JavaScriptKit.git
Computed https://github.com/swiftwasm/JavaScriptKit.git at 0.59.0 (1.50s)
Fetching https://github.com/swiftlang/swift-syntax
[1/80014] Fetching swift-syntax
Fetched https://github.com/swiftlang/swift-syntax (3.44s)
Computing version for https://github.com/swiftlang/swift-syntax
Computed https://github.com/swiftlang/swift-syntax at 603.0.2 (4.62s)
Creating working copy for https://github.com/swiftwasm/JavaScriptKit.git
Working copy of https://github.com/swiftwasm/JavaScriptKit.git resolved at 0.59.0
Creating working copy for https://github.com/swiftlang/swift-syntax
Working copy of https://github.com/swiftlang/swift-syntax resolved at 603.0.2
Building for debugging...
[Computing dependencies]
[Pre-planning 1 / 1583]
[Planning deferred tasks]
[Starting]
[1 / 511]
[237 / 512] _CJavaScriptBigIntSupport
[264 / 539] SwiftSyntax602
[282 / 539] SwiftSyntax510
[296 / 539] WebIDLToSwift-product
[298 / 540] WebIDL
[303 / 542] SwiftSyntax602
[315 / 545] SwiftSyntax509
[328 / 556] WebIDLToSwift-product
[330 / 565] WebIDLToSwift-product
[331 / 566] WebIDLToSwift-product
error: SwiftCompile normal wasm32 failed with a nonzero exit code. Command line:     cd /host

/host/spi-builder-workspace/Sources/WebIDLToSwift/WebIDLToSwift.swift:10:24: [1;31merror: [1;39mcannot find 'DispatchGroup' in scope[0;0m
  [0;36m8 |[0;0m @main
  [0;36m9 |[0;0m enum WebIDLToSwift {
 [0;36m10 |[0;0m     static let group = [4;39mDispatchGroup[0;0m()
    [0;36m|[0;0m                        `- [1;31merror: [1;39mcannot find 'DispatchGroup' in scope[0;0m
 [0;36m11 |[0;0m
 [0;36m12 |[0;0m     static func main() {
Failed frontend command:
/usr/bin/swift-frontend -frontend -emit-module -experimental-skip-non-inlinable-function-bodies-without-types /host/spi-builder-workspace/Sources/WebIDLToSwift/ClosurePattern.swift /host/spi-builder-workspace/Sources/WebIDLToSwift/IDLBuilder.swift /host/spi-builder-workspace/Sources/WebIDLToSwift/IDLParser.swift /host/spi-builder-workspace/Sources/WebIDLToSwift/MergeDeclarations.swift /host/spi-builder-workspace/Sources/WebIDLToSwift/Module.swift /host/spi-builder-workspace/Sources/WebIDLToSwift/ModuleState.swift /host/spi-builder-workspace/Sources/WebIDLToSwift/PackageManifest.swift /host/spi-builder-workspace/Sources/WebIDLToSwift/Shell.swift /host/spi-builder-workspace/Sources/WebIDLToSwift/SwiftRepresentation.swift /host/spi-builder-workspace/Sources/WebIDLToSwift/SwiftSource.swift /host/spi-builder-workspace/Sources/WebIDLToSwift/UnionType+SwiftRepresentable.swift /host/spi-builder-workspace/Sources/WebIDLToSwift/UnionType.swift /host/spi-builder-workspace/Sources/WebIDLToSwift/WebIDL+SwiftRepresentation.swift /host/spi-builder-workspace/Sources/WebIDLToSwift/WebIDLToSwift.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 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/WebAPIKit.build/Debug-webassembly-wasm32/WebIDLToSwift-p.build/DerivedSources-normal/wasm32 -Xcc -I/host/spi-builder-workspace/.build/out/Intermediates.noindex/WebAPIKit.build/Debug-webassembly-wasm32/WebIDLToSwift-p.build/DerivedSources/wasm32 -Xcc -I/host/spi-builder-workspace/.build/out/Intermediates.noindex/WebAPIKit.build/Debug-webassembly-wasm32/WebIDLToSwift-p.build/DerivedSources -Xcc -DSWIFT_PACKAGE -Xcc -DDEBUG\=1 -no-auto-bridging-header-chaining -module-name WebIDLToSwift -package-name spi_builder_workspace -const-gather-protocols-file /host/spi-builder-workspace/.build/out/Intermediates.noindex/WebAPIKit.build/Debug-webassembly-wasm32/WebIDLToSwift-p.build/Objects-normal/wasm32/WebIDLToSwift_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/WebAPIKit.build/Debug-webassembly-wasm32/WebIDLToSwift-p.build/Objects-normal/wasm32/Modules/WebIDLToSwift.swiftdoc -emit-module-source-info-path /host/spi-builder-workspace/.build/out/Intermediates.noindex/WebAPIKit.build/Debug-webassembly-wasm32/WebIDLToSwift-p.build/Objects-normal/wasm32/Modules/WebIDLToSwift.swiftsourceinfo -serialize-diagnostics-path /host/spi-builder-workspace/.build/out/Intermediates.noindex/WebAPIKit.build/Debug-webassembly-wasm32/WebIDLToSwift-p.build/Objects-normal/wasm32/WebIDLToSwift-primary-emit-module.dia -emit-dependencies-path /host/spi-builder-workspace/.build/out/Intermediates.noindex/WebAPIKit.build/Debug-webassembly-wasm32/WebIDLToSwift-p.build/Objects-normal/wasm32/WebIDLToSwift-primary-emit-module.d -parse-as-library -o /host/spi-builder-workspace/.build/out/Intermediates.noindex/WebAPIKit.build/Debug-webassembly-wasm32/WebIDLToSwift-p.build/Objects-normal/wasm32/Modules/WebIDLToSwift.swiftmodule
error: Build failed
BUILD FAILURE 6.4 wasm