hokusai – Build Information – Swift Package Index

Build Information

Failed to build hokusai, reference main (4f6721), with Swift 6.4 for Wasm on 25 Sep 2026 11:42:31 UTC.

Build Command

bash -c docker run --pull=always --rm -v "checkouts-53886770-2":/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/ivantokar/hokusai.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/ivantokar/hokusai
 * branch            main       -> FETCH_HEAD
 * [new branch]      main       -> origin/main
HEAD is now at 4f67213 Establish OpenSpec ergonomics roadmap (#31)
Cloned https://github.com/ivantokar/hokusai.git
Revision (git rev-parse @):
4f67213d0523d164d196b334709d0c1a30544e49
SUCCESS checkout https://github.com/ivantokar/hokusai.git at main
========================================
Build
========================================
Selected platform:         wasm
Swift version:             6.4
Building package at path:  $PWD
https://github.com/ivantokar/hokusai.git
Running build ...
bash -c docker run --pull=always --rm -v "checkouts-53886770-2":/host -w "$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
Fetching https://github.com/apple/swift-nio.git
Fetching https://github.com/apple/swift-argument-parser.git
Fetching https://github.com/ivantokar/prompt.git
[1/76] Fetching prompt
Fetched https://github.com/ivantokar/prompt.git (0.44s)
[1/18941] Fetching swift-argument-parser
Fetched https://github.com/apple/swift-argument-parser.git (0.80s)
[1/86100] Fetching swift-nio
Fetched https://github.com/apple/swift-nio.git (3.12s)
Computing version for https://github.com/ivantokar/prompt.git
Computed https://github.com/ivantokar/prompt.git at 1.1.2 (3.30s)
Fetching https://github.com/onevcat/Rainbow.git
[1/1510] Fetching rainbow
Fetched https://github.com/onevcat/Rainbow.git (0.44s)
Computing version for https://github.com/onevcat/Rainbow.git
Computed https://github.com/onevcat/Rainbow.git at 4.2.2 (1.49s)
Computing version for https://github.com/apple/swift-argument-parser.git
Computed https://github.com/apple/swift-argument-parser.git at 1.8.2 (0.20s)
Computing version for https://github.com/apple/swift-nio.git
Computed https://github.com/apple/swift-nio.git at 2.103.0 (0.33s)
Fetching https://github.com/apple/swift-atomics.git
Fetching https://github.com/apple/swift-collections.git
[1/1881] Fetching swift-atomics
Fetched https://github.com/apple/swift-atomics.git (0.52s)
[1/27723] Fetching swift-collections
Fetching https://github.com/apple/swift-system.git
Fetched https://github.com/apple/swift-collections.git (1.20s)
[1/6952] Fetching swift-system
Fetched https://github.com/apple/swift-system.git (0.72s)
Computing version for https://github.com/apple/swift-atomics.git
Computed https://github.com/apple/swift-atomics.git at 1.3.1 (2.07s)
Computing version for https://github.com/apple/swift-collections.git
Computed https://github.com/apple/swift-collections.git at 1.7.0 (0.29s)
Computing version for https://github.com/apple/swift-system.git
Computed https://github.com/apple/swift-system.git at 1.8.1 (0.21s)
Creating working copy for https://github.com/apple/swift-collections.git
Working copy of https://github.com/apple/swift-collections.git resolved at 1.7.0
Creating working copy for https://github.com/apple/swift-argument-parser.git
Working copy of https://github.com/apple/swift-argument-parser.git resolved at 1.8.2
Creating working copy for https://github.com/apple/swift-nio.git
Working copy of https://github.com/apple/swift-nio.git resolved at 2.103.0
Creating working copy for https://github.com/apple/swift-atomics.git
Working copy of https://github.com/apple/swift-atomics.git resolved at 1.3.1
Creating working copy for https://github.com/onevcat/Rainbow.git
Working copy of https://github.com/onevcat/Rainbow.git resolved at 4.2.2
Creating working copy for https://github.com/ivantokar/prompt.git
Working copy of https://github.com/ivantokar/prompt.git resolved at 1.1.2
Creating working copy for https://github.com/apple/swift-system.git
Working copy of https://github.com/apple/swift-system.git resolved at 1.8.1
warning: 'spi-builder-workspace': you may be able to install vips using your system-packager:
    apt-get install libvips-dev
warning: 'spi-builder-workspace': you may be able to install cairo using your system-packager:
    apt-get install libcairo2-dev
Building for debugging...
[Computing dependencies]
[Pre-planning 1 / 836]
[Planning deferred tasks]
[Starting]
[36 / 248] CNIOWindows
[128 / 260] InternalCollectionsUtilities
[134 / 285] InternalCollectionsUtilities
[135 / 294] InternalCollectionsUtilities
[136 / 294] _NIOBase64
[154 / 294] InternalCollectionsUtilities
error: SwiftCompile normal wasm32 failed with a nonzero exit code. Command line:     cd /host

<module-includes>:1:10: [1;39mnote: [1;39min file included from <module-includes>:1:[0;0m
[0;36m1 |[0;0m #include "shim.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/CVips/shim.h:4:10: [1;31merror: [1;39m'vips/vips.h' file not found[0;0m
  [0;36m2 |[0;0m #define CVIPS_SHIM_H
  [0;36m3 |[0;0m
  [0;36m4 |[0;0m #include <vips/vips.h>
    [0;36m|[0;0m          `- [1;31merror: [1;39m'vips/vips.h' file not found[0;0m
  [0;36m5 |[0;0m #include <cairo/cairo-pdf.h>
  [0;36m6 |[0;0m
/host/spi-builder-workspace/Sources/Hokusai/Backend/ThumbnailSupport.swift:1:8: [1;31merror: [1;39mcould not build C module 'CVips'[0;0m
 [0;36m1 |[0;0m import CVips
   [0;36m|[0;0m        `- [1;31merror: [1;39mcould not build C module 'CVips'[0;0m
 [0;36m2 |[0;0m
 [0;36m3 |[0;0m /// Internal bridge from typed thumbnail options to libvips arguments.
Failed frontend command:
/usr/bin/swift-frontend -frontend -emit-module -experimental-skip-non-inlinable-function-bodies-without-types /host/spi-builder-workspace/Sources/Hokusai/Backend/ImageBackend.swift /host/spi-builder-workspace/Sources/Hokusai/Backend/ThumbnailSupport.swift /host/spi-builder-workspace/Sources/Hokusai/Backend/VipsBackend.swift /host/spi-builder-workspace/Sources/Hokusai/Errors/HokusaiError.swift /host/spi-builder-workspace/Sources/Hokusai/Execution/PipelineExecutor.swift /host/spi-builder-workspace/Sources/Hokusai/Hokusai.swift /host/spi-builder-workspace/Sources/Hokusai/HokusaiImage.swift /host/spi-builder-workspace/Sources/Hokusai/Models/Enums.swift /host/spi-builder-workspace/Sources/Hokusai/Models/ImageFormat.swift /host/spi-builder-workspace/Sources/Hokusai/Models/ImageMetadata.swift /host/spi-builder-workspace/Sources/Hokusai/Models/LoadOptions.swift /host/spi-builder-workspace/Sources/Hokusai/Models/PipelineModels.swift /host/spi-builder-workspace/Sources/Hokusai/Models/ResizeOptions.swift /host/spi-builder-workspace/Sources/Hokusai/Models/TextOptions.swift /host/spi-builder-workspace/Sources/Hokusai/Models/ThumbnailOptions.swift /host/spi-builder-workspace/Sources/Hokusai/Operations/Composite.swift /host/spi-builder-workspace/Sources/Hokusai/Operations/Convert.swift /host/spi-builder-workspace/Sources/Hokusai/Operations/Crop.swift /host/spi-builder-workspace/Sources/Hokusai/Operations/Resize.swift /host/spi-builder-workspace/Sources/Hokusai/Operations/Rotate.swift /host/spi-builder-workspace/Sources/Hokusai/Operations/Text.swift /host/spi-builder-workspace/Sources/Hokusai/Operations/Thumbnail.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 StrictConcurrency -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 -fmodule-map-file\=/host/spi-builder-workspace/Sources/CCairo/module.modulemap -Xcc -fmodule-map-file\=/host/spi-builder-workspace/Sources/CVips/module.modulemap -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/hokusai.build/Debug-webassembly-wasm32/Hokusai-t.build/DerivedSources-normal/wasm32 -Xcc -I/host/spi-builder-workspace/.build/out/Intermediates.noindex/hokusai.build/Debug-webassembly-wasm32/Hokusai-t.build/DerivedSources/wasm32 -Xcc -I/host/spi-builder-workspace/.build/out/Intermediates.noindex/hokusai.build/Debug-webassembly-wasm32/Hokusai-t.build/DerivedSources -Xcc -DSWIFT_PACKAGE -Xcc -DDEBUG\=1 -no-auto-bridging-header-chaining -module-name Hokusai -package-name spi_builder_workspace -const-gather-protocols-file /host/spi-builder-workspace/.build/out/Intermediates.noindex/hokusai.build/Debug-webassembly-wasm32/Hokusai-t.build/Objects-normal/wasm32/Hokusai_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/hokusai.build/Debug-webassembly-wasm32/Hokusai-t.build/Objects-normal/wasm32/Modules/Hokusai.swiftdoc -emit-module-source-info-path /host/spi-builder-workspace/.build/out/Intermediates.noindex/hokusai.build/Debug-webassembly-wasm32/Hokusai-t.build/Objects-normal/wasm32/Modules/Hokusai.swiftsourceinfo -emit-objc-header-path /host/spi-builder-workspace/.build/out/Intermediates.noindex/hokusai.build/Debug-webassemb[158 / 294] Rainbow
ly-wasm32/Hokusai-t.build/Objects-normal/wasm32/Hokusai-Swift.h -serialize-diagnostics-path /host/spi-builder-workspace/.build/out/Intermediates.noindex/hokusai.build/Debug-webassembly-wasm32/Hokusai-t.build/Objects-normal/wasm32/Hokusai-primary-emit-module.dia -emit-dependencies-path /host/spi-builder-workspace/.build/out/Intermediates.noindex/hokusai.build/Debug-webassembly-wasm32/Hokusai-t.build/Objects-normal/wasm32/Hokusai-primary-emit-module.d -parse-as-library -o /host/spi-builder-workspace/.build/out/Intermediates.noindex/hokusai.build/Debug-webassembly-wasm32/Hokusai-t.build/Objects-normal/wasm32/Modules/Hokusai.swiftmodule
error: Build failed
BUILD FAILURE 6.4 wasm