SkiaKit – Build Information – Swift Package Index

Build Information

Failed to build SkiaKit, reference main (1924d7), with Swift 6.4 for Android on 19 Sep 2026 16:53:30 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:android-6.4-latest swift build --swift-sdk aarch64-unknown-linux-android28 2>&1

Build Log

========================================
RunAll
========================================
Builder version: 5.1.0
Interrupt handler set up.
========================================
Checkout
========================================
Clone URL: https://github.com/UnGast/SkiaKit.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/UnGast/SkiaKit
 * branch            main       -> FETCH_HEAD
 * [new branch]      main       -> origin/main
HEAD is now at 1924d72 Delete download-payload.sh
Cloned https://github.com/UnGast/SkiaKit.git
Revision (git rev-parse @):
1924d72093a758b0c40cd3c437ff7444f68efc5a
SUCCESS checkout https://github.com/UnGast/SkiaKit.git at main
========================================
Build
========================================
Selected platform:         android
Swift version:             6.4
Building package at path:  $PWD
https://github.com/UnGast/SkiaKit.git
Running build ...
bash -c docker run --pull=always --rm -v "checkouts-54344843-0":/host -w "$PWD" -e JAVA_HOME="/root/.sdkman/candidates/java/current" -e SPI_BUILD="1" -e SPI_PROCESSING="1" registry.gitlab.com/saguaro1/spi-images:android-6.4-latest swift build --swift-sdk aarch64-unknown-linux-android28 2>&1
android-6.4-latest: Pulling from saguaro1/spi-images
Digest: sha256:abadcff584c273feba50641b454858d377ba30b35ea7287a94f45ebd8afd0ea0
Status: Image is up to date for registry.gitlab.com/saguaro1/spi-images:android-6.4-latest
Building for debugging...
[Pre-planning 1 / 125]
[11 / 40]
[38 / 50] SkiaKit
<module-includes>:1:10: [1;39mnote: [1;39min file included from <module-includes>:1:[0;0m
[0;36m1 |[0;0m #include "/host/spi-builder-workspace/Sources/CSkia/include/CSkia.h"
  [0;36m|[0;0m          `- [1;39mnote: [1;39min file included from <module-includes>:1:[0;0m
[0;36m2 |[0;0m
/host/spi-builder-workspace/Sources/CSkia/include/CSkia.h:48:1: [1;33mwarning: [1;39mumbrella header for module 'CSkia' does not include header 'sk_types_priv.h'[0;0m
[0;36m46 |[0;0m
[0;36m47 |[0;0m #endif /* SkiaKit_h */
[0;36m48 |[0;0m
   [0;36m|[0;0m `- [1;33mwarning: [1;39mumbrella header for module 'CSkia' does not include header 'sk_types_priv.h'[0;0m
[39 / 50] SkiaKit
/host/spi-builder-workspace/Sources/SkiaKit/Surface.swift:107:13: [1;33mwarning: [1;39mvariable 'nativeCInfo' was never mutated; consider changing to 'let' constant[0;0m [#]8;;https://docs.swift.org/compiler/documentation/diagnostics/variable-never-mutated\VariableNeverMutated]8;;\]
[0;36m105 |[0;0m     public static func makeRenderTarget(context: GrContext, budgeted: Bool, cinfo: ImageInfo) -> Surface {
[0;36m106 |[0;0m         //return ToSurface(SkSurface::MakeRenderTarget(AsGrContext(context), (SkBudgeted)budgeted, AsImageInfo(cinfo), sampleCount, (GrSurfaceOrigin)origin, AsSurfaceProps(props), shouldCreateWithMips).release());
[0;36m107 |[0;0m         var nativeCInfo = cinfo.toNative()
    [0;36m|[0;0m             `- [1;33mwarning: [1;39mvariable 'nativeCInfo' was never mutated; consider changing to 'let' constant[0;0m [#]8;;https://docs.swift.org/compiler/documentation/diagnostics/variable-never-mutated\VariableNeverMutated]8;;\]
[0;36m108 |[0;0m         return withUnsafePointer(to: nativeCInfo) {
[0;36m109 |[0;0m             Surface(handle: sk_surface_new_render_target(context.handle, budgeted, $0, 0, TOP_LEFT_GR_SURFACE_ORIGIN, nil, false))
[#VariableNeverMutated]: <https://docs.swift.org/compiler/documentation/diagnostics/variable-never-mutated>
error: SwiftCompile normal aarch64 /host/spi-builder-workspace/Sources/SkiaKit/MathTypes.swift failed with a nonzero exit code. Command line:     cd /host
    builtin-SwiftPerFileCompile MathTypes.swift
/host/spi-builder-workspace/Sources/SkiaKit/MathTypes.swift:150:59: [1;31merror: [1;39mcannot convert value of type 'Float' to expected argument type 'Double'[0;0m
[0;36m148 |[0;0m         var x, y, r, b : Int32
[0;36m149 |[0;0m
[0;36m150 |[0;0m         x = Int32 ((outwards && value.width > 0) ? floor (Float (value.left)) : ceil (Float (value.left)));
    [0;36m|[0;0m                                                           `- [1;31merror: [1;39mcannot convert value of type 'Float' to expected argument type 'Double'[0;0m
[0;36m151 |[0;0m         y = Int32 ((outwards && value.height > 0) ? floor (Float (value.top)) : ceil (Float (value.top)));
[0;36m152 |[0;0m         r = Int32 ((outwards && value.width < 0) ? floor (Float (value.right)) : ceil (Float (value.right)));
/host/spi-builder-workspace/Sources/SkiaKit/MathTypes.swift:150:87: [1;31merror: [1;39mcannot convert value of type 'Float' to expected argument type 'Double'[0;0m
[0;36m148 |[0;0m         var x, y, r, b : Int32
[0;36m149 |[0;0m
[0;36m150 |[0;0m         x = Int32 ((outwards && value.width > 0) ? floor (Float (value.left)) : ceil (Float (value.left)));
    [0;36m|[0;0m                                                                                       `- [1;31merror: [1;39mcannot convert value of type 'Float' to expected argument type 'Double'[0;0m
[0;36m151 |[0;0m         y = Int32 ((outwards && value.height > 0) ? floor (Float (value.top)) : ceil (Float (value.top)));
[0;36m152 |[0;0m         r = Int32 ((outwards && value.width < 0) ? floor (Float (value.right)) : ceil (Float (value.right)));
/host/spi-builder-workspace/Sources/SkiaKit/MathTypes.swift:151:60: [1;31merror: [1;39mcannot convert value of type 'Float' to expected argument type 'Double'[0;0m
[0;36m149 |[0;0m
[0;36m150 |[0;0m         x = Int32 ((outwards && value.width > 0) ? floor (Float (value.left)) : ceil (Float (value.left)));
[0;36m151 |[0;0m         y = Int32 ((outwards && value.height > 0) ? floor (Float (value.top)) : ceil (Float (value.top)));
    [0;36m|[0;0m                                                            `- [1;31merror: [1;39mcannot convert value of type 'Float' to expected argument type 'Double'[0;0m
[0;36m152 |[0;0m         r = Int32 ((outwards && value.width < 0) ? floor (Float (value.right)) : ceil (Float (value.right)));
[0;36m153 |[0;0m         b = Int32 ((outwards && value.height < 0) ? floor (Float (value.bottom)) : ceil (Float (value.bottom)));
/host/spi-builder-workspace/Sources/SkiaKit/MathTypes.swift:151:87: [1;31merror: [1;39mcannot convert value of type 'Float' to expected argument type 'Double'[0;0m
[0;36m149 |[0;0m
[0;36m150 |[0;0m         x = Int32 ((outwards && value.width > 0) ? floor (Float (value.left)) : ceil (Float (value.left)));
[0;36m151 |[0;0m         y = Int32 ((outwards && value.height > 0) ? floor (Float (value.top)) : ceil (Float (value.top)));
    [0;36m|[0;0m                                                                                       `- [1;31merror: [1;39mcannot convert value of type 'Float' to expected argument type 'Double'[0;0m
[0;36m152 |[0;0m         r = Int32 ((outwards && value.width < 0) ? floor (Float (value.right)) : ceil (Float (value.right)));
[0;36m153 |[0;0m         b = Int32 ((outwards && value.height < 0) ? floor (Float (value.bottom)) : ceil (Float (value.bottom)));
/host/spi-builder-workspace/Sources/SkiaKit/MathTypes.swift:152:59: [1;31merror: [1;39mcannot convert value of type 'Float' to expected argument type 'Double'[0;0m
[0;36m150 |[0;0m         x = Int32 ((outwards && value.width > 0) ? floor (Float (value.left)) : ceil (Float (value.left)));
[0;36m151 |[0;0m         y = Int32 ((outwards && value.height > 0) ? floor (Float (value.top)) : ceil (Float (value.top)));
[0;36m152 |[0;0m         r = Int32 ((outwards && value.width < 0) ? floor (Float (value.right)) : ceil (Float (value.right)));
    [0;36m|[0;0m                                                           `- [1;31merror: [1;39mcannot convert value of type 'Float' to expected argument type 'Double'[0;0m
[0;36m153 |[0;0m         b = Int32 ((outwards && value.height < 0) ? floor (Float (value.bottom)) : ceil (Float (value.bottom)));
[0;36m154 |[0;0m
/host/spi-builder-workspace/Sources/SkiaKit/MathTypes.swift:152:88: [1;31merror: [1;39mcannot convert value of type 'Float' to expected argument type 'Double'[0;0m
[0;36m150 |[0;0m         x = Int32 ((outwards && value.width > 0) ? floor (Float (value.left)) : ceil (Float (value.left)));
[0;36m151 |[0;0m         y = Int32 ((outwards && value.height > 0) ? floor (Float (value.top)) : ceil (Float (value.top)));
[0;36m152 |[0;0m         r = Int32 ((outwards && value.width < 0) ? floor (Float (value.right)) : ceil (Float (value.right)));
    [0;36m|[0;0m                                                                                        `- [1;31merror: [1;39mcannot convert value of type 'Float' to expected argument type 'Double'[0;0m
[0;36m153 |[0;0m         b = Int32 ((outwards && value.height < 0) ? floor (Float (value.bottom)) : ceil (Float (value.bottom)));
[0;36m154 |[0;0m
/host/spi-builder-workspace/Sources/SkiaKit/MathTypes.swift:153:60: [1;31merror: [1;39mcannot convert value of type 'Float' to expected argument type 'Double'[0;0m
[0;36m151 |[0;0m         y = Int32 ((outwards && value.height > 0) ? floor (Float (value.top)) : ceil (Float (value.top)));
[0;36m152 |[0;0m         r = Int32 ((outwards && value.width < 0) ? floor (Float (value.right)) : ceil (Float (value.right)));
[0;36m153 |[0;0m         b = Int32 ((outwards && value.height < 0) ? floor (Float (value.bottom)) : ceil (Float (value.bottom)));
    [0;36m|[0;0m                                                            `- [1;31merror: [1;39mcannot convert value of type 'Float' to expected argument type 'Double'[0;0m
[0;36m154 |[0;0m
[0;36m155 |[0;0m         return IRect (left: x, top: y, right: r, bottom: b)
/host/spi-builder-workspace/Sources/SkiaKit/MathTypes.swift:153:90: [1;31merror: [1;39mcannot convert value of type 'Float' to expected argument type 'Double'[0;0m
[0;36m151 |[0;0m         y = Int32 ((outwards && value.height > 0) ? floor (Float (value.top)) : ceil (Float (value.top)));
[0;36m152 |[0;0m         r = Int32 ((outwards && value.width < 0) ? floor (Float (value.right)) : ceil (Float (value.right)));
[0;36m153 |[0;0m         b = Int32 ((outwards && value.height < 0) ? floor (Float (value.bottom)) : ceil (Float (value.bottom)));
    [0;36m|[0;0m                                                                                          `- [1;31merror: [1;39mcannot convert value of type 'Float' to expected argument type 'Double'[0;0m
[0;36m154 |[0;0m
[0;36m155 |[0;0m         return IRect (left: x, top: y, right: r, bottom: b)
Failed frontend command:
/root/.local/share/swiftly/toolchains/6.4.x-snapshot-2026-09-04/usr/bin/swift-frontend -frontend -c /host/spi-builder-workspace/Sources/SkiaKit/Bitmap.swift /host/spi-builder-workspace/Sources/SkiaKit/Canvas.swift /host/spi-builder-workspace/Sources/SkiaKit/Color.swift /host/spi-builder-workspace/Sources/SkiaKit/ColorFilter.swift /host/spi-builder-workspace/Sources/SkiaKit/ColorSpace.swift /host/spi-builder-workspace/Sources/SkiaKit/Colors.swift /host/spi-builder-workspace/Sources/SkiaKit/Data.swift /host/spi-builder-workspace/Sources/SkiaKit/Definitions.swift /host/spi-builder-workspace/Sources/SkiaKit/Font.swift /host/spi-builder-workspace/Sources/SkiaKit/FontManager.swift /host/spi-builder-workspace/Sources/SkiaKit/FontStyle.swift /host/spi-builder-workspace/Sources/SkiaKit/FontStyleSet.swift /host/spi-builder-workspace/Sources/SkiaKit/GLInterface.swift /host/spi-builder-workspace/Sources/SkiaKit/GrBackendRenderTarget.swift /host/spi-builder-workspace/Sources/SkiaKit/GrContext.swift /host/spi-builder-workspace/Sources/SkiaKit/GrGLFramebufferInfo.swift /host/spi-builder-workspace/Sources/SkiaKit/Helpers.swift /host/spi-builder-workspace/Sources/SkiaKit/Image.swift /host/spi-builder-workspace/Sources/SkiaKit/ImageFilter.swift /host/spi-builder-workspace/Sources/SkiaKit/ImageInfo.swift -primary-file /host/spi-builder-workspace/Sources/SkiaKit/MaskFilter.swift -primary-file /host/spi-builder-workspace/Sources/SkiaKit/MathTypes.swift -primary-file /host/spi-builder-workspace/Sources/SkiaKit/Matrix.swift -primary-file /host/spi-builder-workspace/Sources/SkiaKit/Paint.swift -primary-file /host/spi-builder-workspace/Sources/SkiaKit/Path.swift /host/spi-builder-workspace/Sources/SkiaKit/PathEffect.swift /host/spi-builder-workspace/Sources/SkiaKit/Picture.swift /host/spi-builder-workspace/Sources/SkiaKit/PictureRecorder.swift /host/spi-builder-workspace/Sources/SkiaKit/Pixmap.swift /host/spi-builder-workspace/Sources/SkiaKit/Region.swift /host/spi-builder-workspace/Sources/SkiaKit/RoundRect.swift /host/spi-builder-workspace/Sources/SkiaKit/SKObject.swift /host/spi-builder-workspace/Sources/SkiaKit/SKStream.swift /host/spi-builder-workspace/Sources/SkiaKit/SKString.swift /host/spi-builder-workspace/Sources/SkiaKit/Shader.swift /host/spi-builder-workspace/Sources/SkiaKit/SkiaCApiVersion.swift /host/spi-builder-workspace/Sources/SkiaKit/Surface.swift /host/spi-builder-workspace/Sources/SkiaKit/SurfaceProperties.swift /host/spi-builder-workspace/Sources/SkiaKit/TextBlob.swift /host/spi-builder-workspace/Sources/SkiaKit/Typeface.swift -supplementary-output-file-map /host/spi-builder-workspace/.build/out/Intermediates.noindex/SkiaKit.build/Debug-android-aarch64/SkiaKit-t.build/Objects-normal/aarch64/supplementaryOutputs-5 -target aarch64-unknown-linux-android28 -Xllvm -aarch64-use-tbi -disable-objc-interop -sdk /android-ndk/android-ndk-r27d/toolchains/llvm/prebuilt/linux-x86_64/sysroot -sysroot /android-ndk/android-ndk-r27d/toolchains/llvm/prebuilt/linux-x86_64/sysroot -I /host/spi-builder-workspace/.build/out/Products/Debug-android-aarch64 -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 /root/.local/share/swiftly/toolchains/6.4.x-snapshot-2026-09-04/usr/lib/swift/host/plugins/testing\#/root/.local/share/swiftly/toolchains/6.4.x-snapshot-2026-09-04/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_android.artifactbundle/swift-android/swift-resources/usr/lib/swift-aarch64 -enable-anonymous-context-mangled-names -file-compilation-dir /host -Xcc -resource-dir -Xcc /android-ndk/android-ndk-r27d/toolchains/llvm/prebuilt/linux-x86_64/lib/clang/18 -Xcc -fmodule-map-file\=/host/spi-builder-workspace/.build/out/Intermediates.noindex/GeneratedModuleMaps-android-aarch64/CSkia.modulemap -Xcc -fno-omit-frame-pointer -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/Sources/CSkia/include -Xcc -I/host/spi-builder-workspace/.build/out/Products/Debug-android-aarch64/include -Xcc -I/host/spi-builder-workspace/.build/out/Intermediates.noindex/SkiaKit.build/Debug-android-aarch64/SkiaKit-t.build/DerivedSources-normal/aarch64 -Xcc -I/host/spi-builder-workspace/.build/out/Intermediates.noindex/SkiaKit.build/Debug-android-aarch64/SkiaKit-t.build/DerivedSources/aarch64 -Xcc -I/host/spi-builder-workspace/.build/out/Intermediates.noindex/SkiaKit.build/Debug-android-aarch64/SkiaKit-t.build/DerivedSources -Xcc -DSWIFT_PACKAGE -Xcc -DDEBUG\=1 -no-auto-bridging-header-chaining -module-name SkiaKit -const-gather-protocols-file /host/spi-builder-workspace/.build/out/Intermediates.noindex/SkiaKit.build/Debug-android-aarch64/SkiaKit-t.build/Objects-normal/aarch64/SkiaKit_const_extract_protocols.json -in-process-plugin-server-path /root/.local/share/swiftly/toolchains/6.4.x-snapshot-2026-09-04/usr/lib/swift/host/libSwiftInProcPluginServer.so -plugin-path /root/.local/share/swiftly/toolchains/6.4.x-snapshot-2026-09-04/usr/lib/swift/host/plugins -plugin-path /root/.local/share/swiftly/toolchains/6.4.x-snapshot-2026-09-04/usr/local/lib/swift/host/plugins -parse-as-library -o /host/spi-builder-workspace/.build/out/Intermediates.noindex/SkiaKit.build/Debug-android-aarch64/SkiaKit-t.build/Objects-normal/aarch64/MaskFilter.o -o /host/spi-builder-workspace/.build/out/Intermediates.noindex/SkiaKit.build/Debug-android-aarch64/SkiaKit-t.build/Objects-normal/aarch64/MathTypes.o -o /host/spi-builder-workspace/.build/out/Intermediates.noindex/SkiaKit.build/Debug-android-aarch64/SkiaKit-t.build/Objects-normal/aarch64/Matrix.o -o /host/spi-builder-workspace/.build/out/Intermediates.noindex/SkiaKit.build/Debug-android-aarch64/SkiaKit-t.build/Objects-normal/aarch64/Paint.o -o /host/spi-builder-workspace/.build/out/Intermediates.noindex/SkiaKit.build/Debug-android-aarch64/SkiaKit-t.build/Objects-normal/aarch64/Path.o -index-unit-output-path /SkiaKit.build/Debug-android-aarch64/SkiaKit-t.build/Objects-normal/aarch64/MaskFilter.o -index-unit-output-path /SkiaKit.build/Debug-android-aarch64/SkiaKit-t.build/Objects-normal/aarch64/MathTypes.o -index-unit-output-path /SkiaKit.build/Debug-android-aarch64/SkiaKit-t.build/Objects-normal/aarch64/Matrix.o -index-unit-output-path /SkiaKit.build/Debug-android-aarch64/SkiaKit-t.build/Objects-normal/aarch64/Paint.o -index-unit-output-path /SkiaKit.build/Debug-android-aarch64/SkiaKit-t.build/Objects-normal/aarch64/Path.o -index-store-path /host/spi-builder-workspace/.build/out -index-system-modules
error: Build failed
BUILD FAILURE 6.4 android