Swift Package IndexBuild Information
Failed to build InstrumentKit, reference main (797070), with Swift 6.4 for Android on 19 Sep 2026 20:53:02 UTC.
Build Command
bash -c docker run --pull=always --rm -v "checkouts-53886770-0":/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>&1Build 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/bdrelling/InstrumentKit.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/bdrelling/InstrumentKit
* branch main -> FETCH_HEAD
* [new branch] main -> origin/main
HEAD is now at 7970702 Made midiNote extension public
Cloned https://github.com/bdrelling/InstrumentKit.git
Revision (git rev-parse @):
7970702b28989d46765d012ec542940ea9b4dac6
SPI manifest file found: $PWD/.spi.yml
SUCCESS checkout https://github.com/bdrelling/InstrumentKit.git at main
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Build
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Selected platform: android
Swift version: 6.4
Building package at path: $PWD
https://github.com/bdrelling/InstrumentKit.git
Running build ...
bash -c docker run --pull=always --rm -v "checkouts-53886770-0":/host -w "$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
Fetching https://github.com/swift-kipple/Tools
[1/720] Fetching tools
Fetched https://github.com/swift-kipple/Tools (0.44s)
Computing version for https://github.com/swift-kipple/Tools
Computed https://github.com/swift-kipple/Tools at 0.3.8 (0.64s)
Fetching https://github.com/nicklockwood/SwiftFormat
Fetching https://github.com/apple/swift-argument-parser
[1/18918] Fetching swift-argument-parser
Fetched https://github.com/apple/swift-argument-parser (0.73s)
[1/58830] Fetching swiftformat
Fetched https://github.com/nicklockwood/SwiftFormat (21.52s)
Computing version for https://github.com/apple/swift-argument-parser
Computed https://github.com/apple/swift-argument-parser at 1.8.2 (21.72s)
Computing version for https://github.com/nicklockwood/SwiftFormat
Computed https://github.com/nicklockwood/SwiftFormat at 0.63.0 (0.18s)
Creating working copy for https://github.com/apple/swift-argument-parser
Working copy of https://github.com/apple/swift-argument-parser resolved at 1.8.2
Creating working copy for https://github.com/swift-kipple/Tools
Working copy of https://github.com/swift-kipple/Tools resolved at 0.3.8
Creating working copy for https://github.com/nicklockwood/SwiftFormat
Working copy of https://github.com/nicklockwood/SwiftFormat resolved at 0.63.0
Building for debugging...
[Pre-planning 1 / 211]
[Starting]
[51 / 75] NoteKit
[58 / 85] NoteKit
[61 / 85] InstrumentKit
[64 / 85] InstrumentKit
[72 / 86] Frequency
[72 / 86]
[74 / 91] Frequency
[75 / 91] Frequency
[77 / 91] Frequency
[87 / 93] NoteKit
error: SwiftCompile normal aarch64 /host/spi-builder-workspace/Sources/Frequency/Core/NoteMath.swift failed with a nonzero exit code. Command line: cd /host
builtin-SwiftPerFileCompile NoteMath.swift
/host/spi-builder-workspace/Sources/Frequency/Core/NoteMath.swift:49:46: [1;31merror: [1;39mcannot convert value of type 'Float' to expected argument type 'Double'[0;0m
[0;36m47 |[0;0m
[0;36m48 |[0;0m let numberOfPitchClasss = Float(Self.semitonesPerOctave)
[0;36m49 |[0;0m return Int(round(numberOfPitchClasss * log2f(frequency / referenceFrequency)))
[0;36m|[0;0m `- [1;31merror: [1;39mcannot convert value of type 'Float' to expected argument type 'Double'[0;0m
[0;36m50 |[0;0m }
[0;36m51 |[0;0m
/host/spi-builder-workspace/Sources/Frequency/Core/NoteMath.swift:67:32: [1;31merror: [1;39mcannot convert value of type 'Float' to expected argument type 'Double'[0;0m
[0;36m65 |[0;0m let frequency = Self.standardNoteFrequency * powf(2, power)
[0;36m66 |[0;0m
[0;36m67 |[0;0m return round(frequency * Self.precision) / Self.precision
[0;36m|[0;0m `- [1;31merror: [1;39mcannot convert value of type 'Float' to expected argument type 'Double'[0;0m
[0;36m68 |[0;0m }
[0;36m69 |[0;0m
/host/spi-builder-workspace/Sources/Frequency/Core/NoteMath.swift:67:16: [1;31merror: [1;39mcannot convert value of type 'Double' to expected argument type 'Float'[0;0m
[0;36m65 |[0;0m let frequency = Self.standardNoteFrequency * powf(2, power)
[0;36m66 |[0;0m
[0;36m67 |[0;0m return round(frequency * Self.precision) / Self.precision
[0;36m|[0;0m `- [1;31merror: [1;39mcannot convert value of type 'Double' to expected argument type 'Float'[0;0m
[0;36m68 |[0;0m }
[0;36m69 |[0;0m
Failed frontend command:
/root/.local/share/swiftly/toolchains/6.4.x-snapshot-2026-09-04/usr/bin/swift-frontend -frontend -c -primary-file /host/spi-builder-workspace/Sources/Frequency/Core/NoteMath.swift /host/spi-builder-workspace/Sources/Frequency/NoteKit/Note+Frequency.swift /host/spi-builder-workspace/Sources/Frequency/NoteKit/NoteMath+NoteKit.swift /host/spi-builder-workspace/Sources/Frequency/NoteKit/Notes+Convenience.swift -emit-dependencies-path /host/spi-builder-workspace/.build/out/Intermediates.noindex/InstrumentKit.build/Debug-android-aarch64/Frequency-t.build/Objects-normal/aarch64/NoteMath.d -emit-const-values-path /host/spi-builder-workspace/.build/out/Intermediates.noindex/InstrumentKit.build/Debug-android-aarch64/Frequency-t.build/Objects-normal/aarch64/NoteMath.swiftconstvalues -emit-reference-dependencies-path /host/spi-builder-workspace/.build/out/Intermediates.noindex/InstrumentKit.build/Debug-android-aarch64/Frequency-t.build/Objects-normal/aarch64/NoteMath.swiftdeps -serialize-diagnostics-path /host/spi-builder-workspace/.build/out/Intermediates.noindex/InstrumentKit.build/Debug-android-aarch64/Frequency-t.build/Objects-normal/aarch64/NoteMath.dia -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 -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/.build/out/Products/Debug-android-aarch64/include -Xcc -I/host/spi-builder-workspace/.build/out/Intermediates.noindex/InstrumentKit.build/Debug-android-aarch64/Frequency-t.build/DerivedSources-normal/aarch64 -Xcc -I/host/spi-builder-workspace/.build/out/Intermediates.noindex/InstrumentKit.build/Debug-android-aarch64/Frequency-t.build/DerivedSources/aarch64 -Xcc -I/host/spi-builder-workspace/.build/out/Intermediates.noindex/InstrumentKit.build/Debug-android-aarch64/Frequency-t.build/DerivedSources -Xcc -DSWIFT_PACKAGE -Xcc -DDEBUG\=1 -no-auto-bridging-header-chaining -module-name Frequency -const-gather-protocols-file /host/spi-builder-workspace/.build/out/Intermediates.noindex/InstrumentKit.build/Debug-android-aarch64/Frequency-t.build/Objects-normal/aarch64/Frequency_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/InstrumentKit.build/Debug-android-aarch64/Frequency-t.build/Objects-normal/aarch64/NoteMath.o -index-unit-output-path /InstrumentKit.build/Debug-android-aarch64/Frequency-t.build/Objects-normal/aarch64/NoteMath.o -index-store-path /host/spi-builder-workspace/.build/out -index-system-modules
error: Build failed
BUILD FAILURE 6.4 android