Swift Package Index

Build Information

Failed to build hokusai, reference main (4f6721), with Swift 6.4 for macOS (SPM) on 25 Sep 2026 12:28:33 UTC.

Build Command

env DEVELOPER_DIR=/Applications/Xcode-27.0.0-Release.Candidate.app xcrun swift build --arch arm64

Build Log

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RunAll
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Builder version: 5.1.0
Interrupt handler set up.
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Checkout
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Clone URL: https://github.com/ivantokar/hokusai.git
Reference: main
Initialized empty Git repository in /Users/admin/builder/spi-builder-workspace/.git/
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
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Build
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Selected platform:         macosSpm
Swift version:             6.4
Building package at path:  $PWD
https://github.com/ivantokar/hokusai.git
Running build ...
env DEVELOPER_DIR=/Applications/Xcode-27.0.0-Release.Candidate.app xcrun swift build --arch arm64
Building for debugging...
[Computing dependencies]
[Constructing description]
[Pre-planning 1 / 836]
[Planning deferred tasks]
[147 / 310] hokusai_HokusaiTests
[150 / 310]
[168 / 318] ArgumentParserToolInfo
[170 / 340] _NIOBase64
[180 / 369] CNIOFreeBSD
[192 / 404] _NIODataStructures
[209 / 429]
[234 / 429]
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
[77/19017] Fetching prompt, swift-argument-parser
[4245/105117] Fetching prompt, swift-argument-parser, swift-nio
Fetched https://github.com/ivantokar/prompt.git (2.26s)
Fetched https://github.com/apple/swift-argument-parser.git (2.26s)
[15498/86100] Fetching swift-nio
Fetched https://github.com/apple/swift-nio.git (10.71s)
Computing version for https://github.com/ivantokar/prompt.git
Computed https://github.com/ivantokar/prompt.git at 1.1.2 (11.34s)
Fetching https://github.com/onevcat/Rainbow.git
[1/1510] Fetching rainbow
Fetched https://github.com/onevcat/Rainbow.git (1.07s)
Computing version for https://github.com/onevcat/Rainbow.git
Computed https://github.com/onevcat/Rainbow.git at 4.2.2 (3.93s)
Computing version for https://github.com/apple/swift-argument-parser.git
Computed https://github.com/apple/swift-argument-parser.git at 1.8.2 (0.54s)
Computing version for https://github.com/apple/swift-nio.git
Computed https://github.com/apple/swift-nio.git at 2.103.0 (0.68s)
Fetching https://github.com/apple/swift-collections.git
Fetching https://github.com/apple/swift-system.git
Fetching https://github.com/apple/swift-atomics.git
[1/1881] Fetching swift-atomics
[133/8833] Fetching swift-atomics, swift-system
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Fetched https://github.com/apple/swift-atomics.git (3.63s)
Fetched https://github.com/apple/swift-system.git (3.63s)
Fetched https://github.com/apple/swift-collections.git (3.63s)
Computing version for https://github.com/apple/swift-atomics.git
Computed https://github.com/apple/swift-atomics.git at 1.3.1 (4.23s)
Computing version for https://github.com/apple/swift-collections.git
Computed https://github.com/apple/swift-collections.git at 1.7.0 (0.66s)
Computing version for https://github.com/apple/swift-system.git
Computed https://github.com/apple/swift-system.git at 1.8.1 (0.59s)
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/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-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-atomics.git
Working copy of https://github.com/apple/swift-atomics.git resolved at 1.3.1
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
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/onevcat/Rainbow.git
Working copy of https://github.com/onevcat/Rainbow.git resolved at 4.2.2
warning: 'spi-builder-workspace': failed to retrieve search paths with pkg-config; maybe pkg-config is not installed
warning: 'spi-builder-workspace': you may be able to install vips using your system-packager:
    brew install vips
warning: 'spi-builder-workspace': you may be able to install cairo using your system-packager:
    brew install cairo
error: clang dependency scanning failure: While building module 'CVips' imported from module-include.input:1:
In file included from <module-includes>:1:
/Users/admin/builder/spi-builder-workspace/Sources/CVips/shim.h:4:10: fatal error: 'vips/vips.h' file not found
module-include.input:1:1: fatal error: could not build module 'CVips'
error: /Users/admin/builder/spi-builder-workspace/Sources/Hokusai/Backend/ThumbnailSupport.swift:1:8 unable to resolve module dependency: 'CVips'
error: clang dependency scanning failure: While building module 'CVips' imported from module-include.input:1:
In file included from <module-includes>:1:
/Users/admin/builder/spi-builder-workspace/Sources/CVips/shim.h:4:10: fatal error: 'vips/vips.h' file not found
module-include.input:1:1: fatal error: could not build module 'CVips'
error: SwiftDriver Hokusai normal arm64 com.apple.xcode.tools.swift.compiler failed with a nonzero exit code. Command line:     cd /Users/admin/builder
    builtin-SwiftDriver -- /Applications/Xcode-27.0.0-Release.Candidate.app/Contents/Developer/Toolchains/XcodeDefault.xctoolchain/usr/bin/swiftc -parse-as-library -module-name Hokusai -Onone @/Users/admin/builder/spi-builder-workspace/.build/out/Intermediates.noindex/hokusai.build/Debug/Hokusai-t.build/Objects-normal/arm64/Hokusai.SwiftFileList -DSWIFT_PACKAGE -DDEBUG -DSWIFT_MODULE_RESOURCE_BUNDLE_UNAVAILABLE -Xcc -fmodule-map-file\=/Users/admin/builder/spi-builder-workspace/Sources/CCairo/module.modulemap -Xcc -fmodule-map-file\=/Users/admin/builder/spi-builder-workspace/Sources/CVips/module.modulemap -DXcode -enable-experimental-feature StrictConcurrency -plugin-path /Applications/Xcode-27.0.0-Release.Candidate.app/Contents/Developer/Toolchains/XcodeDefault.xctoolchain/usr/lib/swift/host/plugins/testing -enable-experimental-feature DebugDescriptionMacro -sdk /Applications/Xcode-27.0.0-Release.Candidate.app/Contents/Developer/Platforms/MacOSX.platform/Developer/SDKs/MacOSX27.0.sdk -target arm64-apple-macos13.0 -g -module-cache-path /Users/admin/builder/spi-builder-workspace/.build/out/ModuleCache.noindex -Xfrontend -serialize-debugging-options -enable-testing -index-store-path /Users/admin/builder/spi-builder-workspace/.build/out -Xcc -D_LIBCPP_HARDENING_MODE\=_LIBCPP_HARDENING_MODE_DEBUG -swift-version 6 -I /Users/admin/builder/spi-builder-workspace/.build/out/Products/Debug -Isystem /Applications/Xcode-27.0.0-Release.Candidate.app/Contents/Developer/Platforms/MacOSX.platform/Developer/usr/lib -F /Users/admin/builder/spi-builder-workspace/.build/out/Products/Debug -F /Applications/Xcode-27.0.0-Release.Candidate.app/Contents/Developer/Platforms/MacOSX.platform/Developer/Library/Frameworks -c -j10 -enable-batch-mode -incremental -Xcc -ivfsstatcache -Xcc /Users/admin/builder/spi-builder-workspace/.build/out/SDKStatCaches.noindex/macosx27.0-26A425-80c5bbf1d171475443272936d42f90a36a22442a12e9d48fe1a705f55a1adfc4.sdkstatcache -output-file-map /Users/admin/builder/spi-builder-workspace/.build/out/Intermediates.noindex/hokusai.build/Debug/Hokusai-t.build/Objects-normal/arm64/Hokusai-OutputFileMap.json -save-temps -color-diagnostics -explicit-module-build -module-cache-path /Users/admin/builder/spi-builder-workspace/.build/out/Intermediates.noindex/SwiftExplicitPrecompiledModules -clang-scanner-module-cache-path /Users/admin/builder/spi-builder-workspace/.build/out/ModuleCache.noindex -sdk-module-cache-path /Users/admin/builder/spi-builder-workspace/.build/out/SDKExplicitPrecompiledModules -emit-dependencies -emit-module -emit-module-path /Users/admin/builder/spi-builder-workspace/.build/out/Intermediates.noindex/hokusai.build/Debug/Hokusai-t.build/Objects-normal/arm64/Hokusai.swiftmodule -serialize-diagnostics -dependency-scan-serialize-diagnostics-path /Users/admin/builder/spi-builder-workspace/.build/out/Intermediates.noindex/hokusai.build/Debug/Hokusai-t.build/Objects-normal/arm64/Hokusai-dependency-scan.dia -validate-clang-modules-once -clang-build-session-file /Users/admin/builder/spi-builder-workspace/.build/out/ModuleCache.noindex/Session.modulevalidation -Xcc -fmodules-prune-interval\=86400 -Xcc -fmodules-prune-after\=345600 -package-name spi_builder_workspace -emit-const-values -const-gather-protocols-list /Users/admin/builder/spi-builder-workspace/.build/out/Intermediates.noindex/hokusai.build/Debug/Hokusai-t.build/Objects-normal/arm64/Hokusai_const_extract_protocols.json -Xcc -I/Users/admin/builder/spi-builder-workspace/.build/out/Products/Debug/include -Xcc -I/Users/admin/builder/spi-builder-workspace/.build/out/Intermediates.noindex/hokusai.build/Debug/Hokusai-t.build/DerivedSources-normal/arm64 -Xcc -I/Users/admin/builder/spi-builder-workspace/.build/out/Intermediates.noindex/hokusai.build/Debug/Hokusai-t.build/DerivedSources/arm64 -Xcc -I/Users/admin/builder/spi-builder-workspace/.build/out/Intermediates.noindex/hokusai.build/Debug/Hokusai-t.build/DerivedSources -Xcc -DSWIFT_PACKAGE -Xcc -DDEBUG\=1 -emit-objc-header -emit-objc-header-path /Users/admin/builder/spi-builder-workspace/.build/out/Intermediates.noindex/hokusai.build/Debug/Hokusai-t.build/Objects-normal/arm64/Hokusai-Swift.h -working-directory /Users/admin/builder -experimental-emit-module-separately -disable-cmo
error: Build failed
BUILD FAILURE 6.4 macosSpm