Swift Package Index

Build Information

Failed to build Almanac, reference v0.3.1 (bc5209), with Swift 6.4 for macOS (SPM) on 8 Oct 2026 20:09:51 UTC.

Build Command

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

Build Log

========================================
RunAll
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Builder version: 5.1.1
Interrupt handler set up.
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Checkout
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Clone URL: https://github.com/isamercan/Almanac.git
Reference: v0.3.1
Initialized empty Git repository in /Users/admin/builder/spi-builder-workspace/.git/
From https://github.com/isamercan/Almanac
 * tag               v0.3.1     -> FETCH_HEAD
HEAD is now at bc5209a Release 0.3.1: top bar knobs (#4)
Cloned https://github.com/isamercan/Almanac.git
Revision (git rev-parse @):
bc5209a67507cd708b142a95a5284eb37d79d1b4
SPI manifest file found: $PWD/.spi.yml
SUCCESS checkout https://github.com/isamercan/Almanac.git at v0.3.1
========================================
Build
========================================
Selected platform:         macosSpm
Swift version:             6.4
Building package at path:  $PWD
https://github.com/isamercan/Almanac.git
Running build ...
env DEVELOPER_DIR=/Applications/Xcode-27.0.0-Release.Candidate.app xcrun swift build --arch arm64
Building for debugging...
[Constructing description]
[Planning deferred tasks]
[38 / 57] Almanac_Almanac
[40 / 57]
Fetching https://github.com/airbnb/HorizonCalendar.git
Fetching https://github.com/pointfreeco/swift-snapshot-testing.git
[1/4386] Fetching horizoncalendar
[1142/20886] Fetching horizoncalendar, swift-snapshot-testing
Fetched https://github.com/airbnb/HorizonCalendar.git (7.06s)
Fetched https://github.com/pointfreeco/swift-snapshot-testing.git (7.06s)
Computing version for https://github.com/airbnb/HorizonCalendar.git
Computed https://github.com/airbnb/HorizonCalendar.git at 2.0.0 (7.66s)
Computing version for https://github.com/pointfreeco/swift-snapshot-testing.git
Computed https://github.com/pointfreeco/swift-snapshot-testing.git at 1.19.6 (0.60s)
Fetching https://github.com/pointfreeco/swift-custom-dump
Fetching https://github.com/swiftlang/swift-syntax
[1/5669] Fetching swift-custom-dump
[5670/86059] Fetching swift-custom-dump, swift-syntax
Fetched https://github.com/pointfreeco/swift-custom-dump (5.98s)
Fetched https://github.com/swiftlang/swift-syntax (5.98s)
Computing version for https://github.com/pointfreeco/swift-custom-dump
Computed https://github.com/pointfreeco/swift-custom-dump at 1.7.3 (6.63s)
Fetching https://github.com/pointfreeco/swift-issue-reporting
[1/6170] Fetching swift-issue-reporting
Fetched https://github.com/pointfreeco/swift-issue-reporting (2.06s)
Computing version for https://github.com/pointfreeco/swift-issue-reporting
Computed https://github.com/pointfreeco/swift-issue-reporting at 2.1.1 (4.97s)
Computing version for https://github.com/swiftlang/swift-syntax
Computed https://github.com/swiftlang/swift-syntax at 604.0.0 (2.30s)
Creating working copy for https://github.com/pointfreeco/swift-snapshot-testing.git
Working copy of https://github.com/pointfreeco/swift-snapshot-testing.git resolved at 1.19.6
Creating working copy for https://github.com/airbnb/HorizonCalendar.git
Working copy of https://github.com/airbnb/HorizonCalendar.git resolved at 2.0.0
Creating working copy for https://github.com/pointfreeco/swift-custom-dump
Working copy of https://github.com/pointfreeco/swift-custom-dump resolved at 1.7.3
Creating working copy for https://github.com/pointfreeco/swift-issue-reporting
Working copy of https://github.com/pointfreeco/swift-issue-reporting resolved at 2.1.1
Creating working copy for https://github.com/swiftlang/swift-syntax
Working copy of https://github.com/swiftlang/swift-syntax resolved at 604.0.0
Downloading package prebuilt https://download.swift.org/prebuilts/swift-syntax/604.0.0/swiftlang-6.4.0.34.1-macosx27.0-MacroSupport.zip
Downloaded https://download.swift.org/prebuilts/swift-syntax/604.0.0/swiftlang-6.4.0.34.1-macosx27.0-MacroSupport.zip (1.30s)
warning: 'spi-builder-workspace': found 7 file(s) which are unhandled; explicitly declare them as resources or exclude from the target
    /Users/admin/builder/spi-builder-workspace/Tests/AlmanacTests/__Snapshots__/SnapshotTests/testDayCellStates.1.png
    /Users/admin/builder/spi-builder-workspace/Tests/AlmanacTests/__Snapshots__/SnapshotTests/testFooter.1.png
    /Users/admin/builder/spi-builder-workspace/Tests/AlmanacTests/__Snapshots__/SnapshotTests/testFooterWithoutLegend.1.png
    /Users/admin/builder/spi-builder-workspace/Tests/AlmanacTests/__Snapshots__/SnapshotTests/testSameDayOuterRing.1.png
    /Users/admin/builder/spi-builder-workspace/Tests/AlmanacTests/__Snapshots__/SnapshotTests/testTopBar.1.png
    /Users/admin/builder/spi-builder-workspace/Tests/AlmanacTests/__Snapshots__/SnapshotTests/testTopBarAtTheEdges.1.png
    /Users/admin/builder/spi-builder-workspace/Tests/AlmanacTests/__Snapshots__/SnapshotTests/testTopBarWithTitleAndPattern.1.png
error: /Users/admin/builder/spi-builder-workspace/.build/checkouts/HorizonCalendar/Sources/Internal/CalendarScrollView.swift:16:8 unable to resolve module dependency: 'UIKit'
error: SwiftDriver HorizonCalendar 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 HorizonCalendar -Onone @/Users/admin/builder/spi-builder-workspace/.build/out/Intermediates.noindex/HorizonCalendar.build/Debug/HorizonCalendar-t.build/Objects-normal/arm64/HorizonCalendar.SwiftFileList -DSWIFT_PACKAGE -DDEBUG -DSWIFT_MODULE_RESOURCE_BUNDLE_UNAVAILABLE -DXcode -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-macos12.0 -g -module-cache-path /Users/admin/builder/spi-builder-workspace/.build/out/ModuleCache.noindex -Xfrontend -serialize-debugging-options -enable-testing -suppress-warnings -index-store-path /Users/admin/builder/spi-builder-workspace/.build/out -Xcc -D_LIBCPP_HARDENING_MODE\=_LIBCPP_HARDENING_MODE_DEBUG -swift-version 5 -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/HorizonCalendar.build/Debug/HorizonCalendar-t.build/Objects-normal/arm64/HorizonCalendar-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/HorizonCalendar.build/Debug/HorizonCalendar-t.build/Objects-normal/arm64/HorizonCalendar.swiftmodule -serialize-diagnostics -dependency-scan-serialize-diagnostics-path /Users/admin/builder/spi-builder-workspace/.build/out/Intermediates.noindex/HorizonCalendar.build/Debug/HorizonCalendar-t.build/Objects-normal/arm64/HorizonCalendar-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 -emit-const-values -const-gather-protocols-list /Users/admin/builder/spi-builder-workspace/.build/out/Intermediates.noindex/HorizonCalendar.build/Debug/HorizonCalendar-t.build/Objects-normal/arm64/HorizonCalendar_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/HorizonCalendar.build/Debug/HorizonCalendar-t.build/DerivedSources-normal/arm64 -Xcc -I/Users/admin/builder/spi-builder-workspace/.build/out/Intermediates.noindex/HorizonCalendar.build/Debug/HorizonCalendar-t.build/DerivedSources/arm64 -Xcc -I/Users/admin/builder/spi-builder-workspace/.build/out/Intermediates.noindex/HorizonCalendar.build/Debug/HorizonCalendar-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/HorizonCalendar.build/Debug/HorizonCalendar-t.build/Objects-normal/arm64/HorizonCalendar-Swift.h -working-directory /Users/admin/builder -experimental-emit-module-separately -disable-cmo
error: Build failed
BUILD FAILURE 6.4 macosSpm