SwiftLayout – Build Information – Swift Package Index

Build Information

Failed to build SwiftLayout, reference main (6f1657), with Swift 6.4 for Wasm on 23 Sep 2026 19:10:24 UTC.

Build Command

bash -c docker run --pull=always --rm -v "checkouts-54344844-2":/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/ioskrew/SwiftLayout.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/ioskrew/SwiftLayout
 * branch            main       -> FETCH_HEAD
 * [new branch]      main       -> origin/main
HEAD is now at 6f16572 Merge hotfix/5.0.1
Cloned https://github.com/ioskrew/SwiftLayout.git
Revision (git rev-parse @):
6f16572b0c4b69beee8eeb264f108a2839f43c63
SUCCESS checkout https://github.com/ioskrew/SwiftLayout.git at main
========================================
Build
========================================
Selected platform:         wasm
Swift version:             6.4
Building package at path:  $PWD
https://github.com/ioskrew/SwiftLayout.git
Running build ...
bash -c docker run --pull=always --rm -v "checkouts-54344844-2":/host -w "$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
warning: 'spi-builder-workspace': /host/spi-builder-workspace/Package.swift:36:5: warning: will never be executed
33 | private let useSwiftLint = false
34 |
35 | if useSwiftLint {
   |    `- note: condition always evaluates to false
36 |     package.dependencies += [
   |     `- warning: will never be executed
37 |         .package(
38 |             url: "https://github.com/realm/SwiftLint.git",
Building for debugging...
[Pre-planning 1 / 95]
[Starting]
error: SwiftCompile normal wasm32 failed with a nonzero exit code. Command line:     cd /host

/host/spi-builder-workspace/Sources/SwiftLayoutPlatform/SwiftLayoutPlatformHelper.swift:25:46: [1;31merror: [1;39mcannot find type 'CAMediaTimingFunction' in scope[0;0m
 [0;36m23 |[0;0m     public static let curveLinear = SLAnimationOptions(rawValue: 1 << 3)
 [0;36m24 |[0;0m
 [0;36m25 |[0;0m     package func toAppKitTimingFunction() -> [4;39mCAMediaTimingFunction[0;0m? {
    [0;36m|[0;0m                                              `- [1;31merror: [1;39mcannot find type 'CAMediaTimingFunction' in scope[0;0m
 [0;36m26 |[0;0m         if contains(.curveEaseIn) {
 [0;36m27 |[0;0m             return CAMediaTimingFunction(name: .easeIn)
/host/spi-builder-workspace/Sources/SwiftLayoutPlatform/SwiftLayoutPlatformHelper.swift:43:51: [1;31merror: [1;39mcannot find type 'SLView' in scope[0;0m
 [0;36m41 |[0;0m package enum SwiftLayoutPlatformHelper {
 [0;36m42 |[0;0m     @MainActor
 [0;36m43 |[0;0m     package static func setViewIdentifier(_ view: [4;39mSLView[0;0m, _ identifier: String) {
    [0;36m|[0;0m                                                   `- [1;31merror: [1;39mcannot find type 'SLView' in scope[0;0m
 [0;36m44 |[0;0m         #if canImport(UIKit)
 [0;36m45 |[0;0m         view.accessibilityIdentifier = identifier
/host/spi-builder-workspace/Sources/SwiftLayoutPlatform/SwiftLayoutPlatformHelper.swift:52:53: [1;31merror: [1;39mcannot find type 'SLLayoutGuide' in scope[0;0m
 [0;36m50 |[0;0m
 [0;36m51 |[0;0m     @MainActor
 [0;36m52 |[0;0m     package static func setGuideIdentifier(_ guide: [4;39mSLLayoutGuide[0;0m, _ identifier: String) {
    [0;36m|[0;0m                                                     `- [1;31merror: [1;39mcannot find type 'SLLayoutGuide' in scope[0;0m
 [0;36m53 |[0;0m         #if canImport(UIKit)
 [0;36m54 |[0;0m         guide.identifier = identifier
Failed frontend command:
/usr/bin/swift-frontend -frontend -emit-module -experimental-skip-non-inlinable-function-bodies-without-types /host/spi-builder-workspace/Sources/SwiftLayoutPlatform/SwiftLayoutPlatform.swift /host/spi-builder-workspace/Sources/SwiftLayoutPlatform/SwiftLayoutPlatformHelper.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/SwiftLayout.build/Debug-webassembly-wasm32/SwiftLayoutPlatform-t.build/DerivedSources-normal/wasm32 -Xcc -I/host/spi-builder-workspace/.build/out/Intermediates.noindex/SwiftLayout.build/Debug-webassembly-wasm32/SwiftLayoutPlatform-t.build/DerivedSources/wasm32 -Xcc -I/host/spi-builder-workspace/.build/out/Intermediates.noindex/SwiftLayout.build/Debug-webassembly-wasm32/SwiftLayoutPlatform-t.build/DerivedSources -Xcc -DSWIFT_PACKAGE -Xcc -DDEBUG\=1 -no-auto-bridging-header-chaining -module-name SwiftLayoutPlatform -package-name spi_builder_workspace -const-gather-protocols-file /host/spi-builder-workspace/.build/out/Intermediates.noindex/SwiftLayout.build/Debug-webassembly-wasm32/SwiftLayoutPlatform-t.build/Objects-normal/wasm32/SwiftLayoutPlatform_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/SwiftLayout.build/Debug-webassembly-wasm32/SwiftLayoutPlatform-t.build/Objects-normal/wasm32/Modules/SwiftLayoutPlatform.swiftdoc -emit-module-source-info-path /host/spi-builder-workspace/.build/out/Intermediates.noindex/SwiftLayout.build/Debug-webassembly-wasm32/SwiftLayoutPlatform-t.build/Objects-normal/wasm32/Modules/SwiftLayoutPlatform.swiftsourceinfo -emit-objc-header-path /host/spi-builder-workspace/.build/out/Intermediates.noindex/SwiftLayout.build/Debug-webassembly-wasm32/SwiftLayoutPlatform-t.build/Objects-normal/wasm32/SwiftLayoutPlatform-Swift.h -serialize-diagnostics-path /host/spi-builder-workspace/.build/out/Intermediates.noindex/SwiftLayout.build/Debug-webassembly-wasm32/SwiftLayoutPlatform-t.build/Objects-normal/wasm32/SwiftLayoutPlatform-primary-emit-module.dia -emit-dependencies-path /host/spi-builder-workspace/.build/out/Intermediates.noindex/SwiftLayout.build/Debug-webassembly-wasm32/SwiftLayoutPlatform-t.build/Objects-normal/wasm32/SwiftLayoutPlatform-primary-emit-module.d -parse-as-library -o /host/spi-builder-workspace/.build/out/Intermediates.noindex/SwiftLayout.build/Debug-webassembly-wasm32/SwiftLayoutPlatform-t.build/Objects-normal/wasm32/Modules/SwiftLayoutPlatform.swiftmodule
error: Build failed
BUILD FAILURE 6.4 wasm