Swift Package Index

Build Information

Failed to build PitchSpeller, reference 0.1.1 (aabeb3), with Swift 6.4 for macOS (SPM) on 16 Sep 2026 15:32:30 UTC.

Build Command

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

Build Log

========================================
RunAll
========================================
Builder version: 5.1.0
Interrupt handler set up.
========================================
Checkout
========================================
Clone URL: https://github.com/bwetherfield/pitchspeller.git
Reference: 0.1.1
Initialized empty Git repository in /Users/admin/builder/spi-builder-workspace/.git/
From https://github.com/bwetherfield/pitchspeller
 * tag               0.1.1      -> FETCH_HEAD
HEAD is now at aabeb32 Update packages
Cloned https://github.com/bwetherfield/pitchspeller.git
Revision (git rev-parse @):
aabeb3208372b334d69afe908f73022c1a89de57
SUCCESS checkout https://github.com/bwetherfield/pitchspeller.git at 0.1.1
========================================
Build
========================================
Selected platform:         macosSpm
Swift version:             6.4
Building package at path:  $PWD
https://github.com/bwetherfield/pitchspeller.git
Running build ...
env DEVELOPER_DIR=/Applications/Xcode-27.0.0-Release.Candidate.app xcrun swift build --arch arm64
Building for debugging...
[Computing dependencies]
[Pre-planning 1 / 274]
[Planning deferred tasks]
[61 / 126]
[62 / 127] Destructure
[66 / 131] Destructure
[84 / 153] Algebra
[85 / 153] Algorithms
[87 / 153] Algorithms
[103 / 153] Algebra
[111 / 154] Algebra
[124 / 165] DataStructures
[140 / 177] Math
[142 / 177] Math
[151 / 178] Math
[151 / 178] Pitch
[160 / 203] Math
[162 / 203]
[165 / 203]
[167 / 203]
[178 / 203] Pitch
Fetching https://github.com/dn-m/Structure
[1/5829] Fetching structure
Fetched https://github.com/dn-m/Structure (1.21s)
Fetching https://github.com/dn-m/Music
[1/4196] Fetching music
Fetched https://github.com/dn-m/Music (1.32s)
Fetching https://github.com/dn-m/NotationModel
[1/13161] Fetching notationmodel
Fetched https://github.com/dn-m/NotationModel (1.64s)
Fetching https://github.com/dn-m/PerformanceTesting
[1/1525] Fetching performancetesting
Fetched https://github.com/dn-m/PerformanceTesting (1.28s)
Fetching https://github.com/dn-m/Math
[1/841] Fetching math
Fetched https://github.com/dn-m/Math (1.20s)
Computing version for https://github.com/dn-m/Math
Computed https://github.com/dn-m/Math at 0.8.0 (3.37s)
Creating working copy for https://github.com/dn-m/PerformanceTesting
Working copy of https://github.com/dn-m/PerformanceTesting resolved at pitchspeller-dependency (0c298e2)
Creating working copy for https://github.com/dn-m/Structure
Working copy of https://github.com/dn-m/Structure resolved at pitchspeller-dependency (8386aad)
Creating working copy for https://github.com/dn-m/NotationModel
Working copy of https://github.com/dn-m/NotationModel resolved at pitchspeller-dependency (e6d41cf)
Creating working copy for https://github.com/dn-m/Music
Working copy of https://github.com/dn-m/Music resolved at pitchspeller-dependency (09289cf)
Creating working copy for https://github.com/dn-m/Math
Working copy of https://github.com/dn-m/Math resolved at 0.8.0
error: SwiftCompile normal arm64 failed with a nonzero exit code. Command line:     cd /Users/admin/builder

/Users/admin/builder/spi-builder-workspace/.build/checkouts/Music/Sources/Pitch/Frequency.swift:25:15: error: type 'Frequency' does not conform to protocol 'AdditiveArithmetic'
23 | ///     let mean: Frequency = 440.0 // => "a 440"
24 | ///
25 | public struct Frequency: NewType, SignedNumeric {
   |               `- error: type 'Frequency' does not conform to protocol 'AdditiveArithmetic'
26 |
27 |     // MARK: - Instance Properties
Swift.AdditiveArithmetic.+=:2:13: note: multiple matching functions named '+=' with type '(inout Frequency, Frequency) -> ()'
1 | protocol AdditiveArithmetic {
2 | static func += (lhs: inout Self, rhs: Self)}
  |             `- note: multiple matching functions named '+=' with type '(inout Frequency, Frequency) -> ()'
3 |
Swift.AdditiveArithmetic.+=:2:20: note: candidate exactly matches
1 | protocol AdditiveArithmetic {
2 | public static func += (lhs: inout Self, rhs: Self)}
  |                    `- note: candidate exactly matches
3 |
DataStructures.NewType.+=:2:20: note: candidate exactly matches
1 | protocol NewType {
2 | public static func += (lhs: inout Self, rhs: Self)}
  |                    `- note: candidate exactly matches
3 |
Swift.AdditiveArithmetic.-=:2:13: note: multiple matching functions named '-=' with type '(inout Frequency, Frequency) -> ()'
1 | protocol AdditiveArithmetic {
2 | static func -= (lhs: inout Self, rhs: Self)}
  |             `- note: multiple matching functions named '-=' with type '(inout Frequency, Frequency) -> ()'
3 |
Swift.AdditiveArithmetic.-=:2:20: note: candidate exactly matches
1 | protocol AdditiveArithmetic {
2 | public static func -= (lhs: inout Self, rhs: Self)}
  |                    `- note: candidate exactly matches
3 |
DataStructures.NewType.-=:2:20: note: candidate exactly matches
1 | protocol NewType {
2 | public static func -= (lhs: inout Self, rhs: Self)}
  |                    `- note: candidate exactly matches
3 |
/Users/admin/builder/spi-builder-workspace/.build/checkouts/Music/Sources/Pitch/NoteNumber.swift:27:15: error: type 'NoteNumber' does not conform to protocol 'AdditiveArithmetic'
25 | ///     let cold: NoteNumber = 60
26 | ///
27 | public struct NoteNumber:
   |               `- error: type 'NoteNumber' does not conform to protocol 'AdditiveArithmetic'
28 |     NewType,
29 |     Comparable,
Swift.AdditiveArithmetic.+=:2:13: note: multiple matching functions named '+=' with type '(inout NoteNumber, NoteNumber) -> ()'
1 | protocol AdditiveArithmetic {
2 | static func += (lhs: inout Self, rhs: Self)}
  |             `- note: multiple matching functions named '+=' with type '(inout NoteNumber, NoteNumber) -> ()'
3 |
Swift.AdditiveArithmetic.+=:2:20: note: candidate exactly matches
1 | protocol AdditiveArithmetic {
2 | public static func += (lhs: inout Self, rhs: Self)}
  |                    `- note: candidate exactly matches
3 |
DataStructures.NewType.+=:2:20: note: candidate exactly matches
1 | protocol NewType {
2 | public static func += (lhs: inout Self, rhs: Self)}
  |                    `- note: candidate exactly matches
3 |
Swift.AdditiveArithmetic.-=:2:13: note: multiple matching functions named '-=' with type '(inout NoteNumber, NoteNumber) -> ()'
1 | protocol AdditiveArithmetic {
2 | static func -= (lhs: inout Self, rhs: Self)}
  |             `- note: multiple matching functions named '-=' with type '(inout NoteNumber, NoteNumber) -> ()'
3 |
Swift.AdditiveArithmetic.-=:2:20: note: candidate exactly matches
1 | protocol AdditiveArithmetic {
2 | public static func -= (lhs: inout Self, rhs: Self)}
  |                    `- note: candidate exactly matches
3 |
DataStructures.NewType.-=:2:20: note: candidate exactly matches
1 | protocol NewType {
2 | public static func -= (lhs: inout Self, rhs: Self)}
  |                    `- note: candidate exactly matches
3 |
Failed frontend command:
/Applications/Xcode-27.0.0-Release.Candidate.app/Contents/Developer/Toolchains/XcodeDefault.xctoolchain/usr/bin/swift-frontend -frontend -emit-module -experimental-skip-non-inlinable-function-bodies-without-types /Users/admin/builder/spi-builder-workspace/.build/checkouts/Music/Sources/Pitch/Chord/Chord.IntervalPattern.swift /Users/admin/builder/spi-builder-workspace/.build/checkouts/Music/Sources/Pitch/Chord/Chord.swift /Users/admin/builder/spi-builder-workspace/.build/checkouts/Music/Sources/Pitch/Chord/ChordDescriptor.swift /Users/admin/builder/spi-builder-workspace/.build/checkouts/Music/Sources/Pitch/Dyad.swift /Users/admin/builder/spi-builder-workspace/.build/checkouts/Music/Sources/Pitch/Frequency.swift /Users/admin/builder/spi-builder-workspace/.build/checkouts/Music/Sources/Pitch/IntervalDescriptor/CompoundIntervalDescriptor.swift /Users/admin/builder/spi-builder-workspace/.build/checkouts/Music/Sources/Pitch/IntervalDescriptor/IntervalDescriptor.swift /Users/admin/builder/spi-builder-workspace/.build/checkouts/Music/Sources/Pitch/IntervalDescriptor/IntervalOrdinal.swift /Users/admin/builder/spi-builder-workspace/.build/checkouts/Music/Sources/Pitch/IntervalDescriptor/IntervalQuality.swift /Users/admin/builder/spi-builder-workspace/.build/checkouts/Music/Sources/Pitch/IntervalDescriptor/OrderedIntervalDescriptor.swift /Users/admin/builder/spi-builder-workspace/.build/checkouts/Music/Sources/Pitch/IntervalDescriptor/UnorderedIntervalDescriptor.swift /Users/admin/builder/spi-builder-workspace/.build/checkouts/Music/Sources/Pitch/NoteNumber.swift /Users/admin/builder/spi-builder-workspace/.build/checkouts/Music/Sources/Pitch/NoteNumberRepresentable.swift /Users/admin/builder/spi-builder-workspace/.build/checkouts/Music/Sources/Pitch/OrderedInterval.swift /Users/admin/builder/spi-builder-workspace/.build/checkouts/Music/Sources/Pitch/Pitch.Class.swift /Users/admin/builder/spi-builder-workspace/.build/checkouts/Music/Sources/Pitch/Pitch.swift /Users/admin/builder/spi-builder-workspace/.build/checkouts/Music/Sources/Pitch/Scale/Scale.IntervalPattern.swift /Users/admin/builder/spi-builder-workspace/.build/checkouts/Music/Sources/Pitch/Scale/Scale.swift /Users/admin/builder/spi-builder-workspace/.build/checkouts/Music/Sources/Pitch/TuningSystem.swift /Users/admin/builder/spi-builder-workspace/.build/checkouts/Music/Sources/Pitch/UnorderedInterval.swift -target arm64-apple-macos12.0 -disable-cross-import-overlay-search -swift-module-cross-import Darwin /Applications/Xcode-27.0.0-Release.Candidate.app/Contents/Developer/Platforms/MacOSX.platform/Developer/SDKs/MacOSX.sdk/usr/include/Darwin.swiftcrossimport/xlocale.swiftoverlay -load-resolved-plugin /Applications/Xcode-27.0.0-Release.Candidate.app/Contents/Developer/Platforms/MacOSX.platform/Developer/usr/lib/swift/host/plugins/libSwiftMacros.dylib\#/Applications/Xcode-27.0.0-Release.Candidate.app/Contents/Developer/Platforms/MacOSX.platform/Developer/usr/bin/swift-plugin-server\#SwiftMacros -disable-implicit-swift-modules -Xcc -fno-implicit-modules -Xcc -fno-implicit-module-maps -explicit-swift-module-map-file /Users/admin/builder/spi-builder-workspace/.build/out/Intermediates.noindex/Music.build/Debug/Pitch-t.build/Objects-normal/arm64/Pitch-dependencies-1.json -Xllvm -aarch64-use-tbi -enable-objc-interop -stack-check -sdk /Applications/Xcode-27.0.0-Release.Candidate.app/Contents/Developer/Platforms/MacOSX.platform/Developer/SDKs/MacOSX27.0.sdk -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/PackageFrameworks -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 -module-cache-path /Users/admin/builder/spi-builder-workspace/.build/out/Intermediates.noindex/SwiftExplicitPrecompiledModules -color-diagnostics -Xcc -fcolor-diagnostics -enable-testing -g -debug-info-format\=dwarf -dwarf-version\=4 -suppress-warnings -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 -validate-clang-modules-once -clang-build-session-file /Users/admin/builder/spi-builder-workspace/.build/out/ModuleCache.noindex/Session.modulevalidation -Xcc -working-directory -Xcc /Users/admin/builder -enable-anonymous-context-mangled-names -file-compilation-dir /Users/admin/builder -Xcc -D_LIBCPP_HARDENING_MODE\=_LIBCPP_HARDENING_MODE_DEBUG -Xcc -ivfsstatcache -Xcc /Users/admin/builder/spi-builder-workspace/.build/out/SDKStatCaches.noindex/macosx27.0-26A425-80c5bbf1d171475443272936d42f90a36a22442a12e9d48fe1a705f55a1adfc4.sdkstatcache -Xcc -fmodules-prune-interval\=86400 -Xcc -fmodules-prune-after\=345600 -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/Music.build/Debug/Pitch-t.build/DerivedSources-normal/arm64 -Xcc -I/Users/admin/builder/spi-builder-workspace/.build/out/Intermediates.noindex/Music.build/Debug/Pitch-t.build/DerivedSources/arm64 -Xcc -I/Users/admin/builder/spi-builder-workspace/.build/out/Intermediates.noindex/Music.build/Debug/Pitch-t.build/DerivedSources -Xcc -DSWIFT_PACKAGE -Xcc -DDEBUG\=1 -no-auto-bridging-header-chaining -module-name Pitch -const-gather-protocols-file /Users/admin/builder/spi-builder-workspace/.build/out/Intermediates.noindex/Music.build/Debug/Pitch-t.build/Objects-normal/arm64/Pitch_const_extract_protocols.json -disable-clang-spi -clang-target arm64-apple-macos27.0 -target-sdk-version 27.0 -target-sdk-name macosx27.0 -in-process-plugin-server-path /Applications/Xcode-27.0.0-Release.Candidate.app/Contents/Developer/Toolchains/XcodeDefault.xctoolchain/usr/lib/swift/host/libSwiftInProcPluginServer.dylib -emit-module-doc-path /Users/admin/builder/spi-builder-workspace/.build/out/Intermediates.noindex/Music.build/Debug/Pitch-t.build/Objects-normal/arm64/Pitch.swiftdoc -emit-module-source-info-path /Users/admin/builder/spi-builder-workspace/.build/out/Intermediates.noindex/Music.build/Debug/Pitch-t.build/Objects-normal/arm64/Pitch.swiftsourceinfo -emit-objc-header-path /Users/admin/builder/spi-builder-workspace/.build/out/Intermediates.noindex/Music.build/Debug/Pitch-t.build/Objects-normal/arm64/Pitch-Swift.h -serialize-diagnostics-path /Users/admin/builder/spi-builder-workspace/.build/out/Intermediates.noindex/Music.build/Debug/Pitch-t.build/Objects-normal/arm64/Pitch-primary-emit-module.dia -emit-dependencies-path /Users/admin/builder/spi-builder-workspace/.build/out/Intermediates.noindex/Music.build/Debug/Pitch-t.build/Objects-normal/arm64/Pitch-primary-emit-module.d -parse-as-library -o /Users/admin/builder/spi-builder-workspace/.build/out/Intermediates.noindex/Music.build/Debug/Pitch-t.build/Objects-normal/arm64/Pitch.swiftmodule -emit-abi-descriptor-path /Users/admin/builder/spi-builder-workspace/.build/out/Intermediates.noindex/Music.build/Debug/Pitch-t.build/Objects-normal/arm64/Pitch.abi.json
error: Build failed
BUILD FAILURE 6.4 macosSpm