Swift Package Index

Build Information

Failed to build Music, reference 0.17.1 (f3fd48), with Swift 6.4 for macOS (SPM) on 17 Sep 2026 02:31:22 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/dn-m/Music.git
Reference: 0.17.1
Initialized empty Git repository in /Users/admin/builder/spi-builder-workspace/.git/
From https://github.com/dn-m/Music
 * tag               0.17.1     -> FETCH_HEAD
HEAD is now at f3fd487 Add Chord.init(lowest:descriptor) (#126)
Cloned https://github.com/dn-m/Music.git
Revision (git rev-parse @):
f3fd487603a05c7b7ff20f1e8ad29d866a60fded
SUCCESS checkout https://github.com/dn-m/Music.git at 0.17.1
========================================
Build
========================================
Selected platform:         macosSpm
Swift version:             6.4
Building package at path:  $PWD
https://github.com/dn-m/Music.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 / 447]
[Planning deferred tasks]
[47 / 162] Destructure
[77 / 162]
[82 / 167] Articulations
[92 / 171] Destructure
[108 / 193] Algebra
[119 / 193] Algorithms
[132 / 193] Destructure
[138 / 194] Algebra
[151 / 205] DataStructures
[153 / 205] DataStructures
[171 / 221] Math
[174 / 221] Dynamics
[181 / 221] Math
[190 / 221] Math
[199 / 245] Pitch
[201 / 245] Pitch
Fetching https://github.com/dn-m/Math
Fetching https://github.com/dn-m/Structure
[1/5829] Fetching structure
[60/6670] Fetching structure, math
Fetched https://github.com/dn-m/Math (1.20s)
Fetched https://github.com/dn-m/Structure (1.20s)
Computing version for https://github.com/dn-m/Math
Computed https://github.com/dn-m/Math at 0.8.0 (1.88s)
Computing version for https://github.com/dn-m/Structure
Computed https://github.com/dn-m/Structure at 0.25.0 (2.12s)
Fetching https://github.com/dn-m/PerformanceTesting
[1/1525] Fetching performancetesting
Fetched https://github.com/dn-m/PerformanceTesting (0.94s)
Computing version for https://github.com/dn-m/PerformanceTesting
Computed https://github.com/dn-m/PerformanceTesting at 0.4.0 (1.60s)
Creating working copy for https://github.com/dn-m/Math
Working copy of https://github.com/dn-m/Math resolved at 0.8.0
Creating working copy for https://github.com/dn-m/Structure
Working copy of https://github.com/dn-m/Structure resolved at 0.25.0
Creating working copy for https://github.com/dn-m/PerformanceTesting
Working copy of https://github.com/dn-m/PerformanceTesting resolved at 0.4.0
error: SwiftCompile normal arm64 failed with a nonzero exit code. Command line:     cd /Users/admin/builder

/Users/admin/builder/spi-builder-workspace/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 |
/Users/admin/builder/spi-builder-workspace/.build/checkouts/Structure/Sources/DataStructures/Wrapping/NewType.swift:71:24: note: candidate exactly matches
69 |     }
70 |
71 |     public static func += (lhs: inout Self, rhs: Self) {
   |                        `- note: candidate exactly matches
72 |         lhs = lhs + rhs
73 |     }
   :
77 |     }
78 |
79 |     public static func -= (lhs: inout Self, rhs: Self) {
   |                        `- note: candidate exactly matches
80 |         lhs = lhs - rhs
81 |     }
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 |
/Users/admin/builder/spi-builder-workspace/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 |
/Users/admin/builder/spi-builder-workspace/.build/checkouts/Structure/Sources/DataStructures/Wrapping/NewType.swift:71:24: note: candidate exactly matches
69 |     }
70 |
71 |     public static func += (lhs: inout Self, rhs: Self) {
   |                        `- note: candidate exactly matches
72 |         lhs = lhs + rhs
73 |     }
   :
77 |     }
78 |
79 |     public static func -= (lhs: inout Self, rhs: Self) {
   |                        `- note: candidate exactly matches
80 |         lhs = lhs - rhs
81 |     }
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 |
/Users/admin/builder/spi-builder-workspace/Sources/Pitch/Pitch.swift:69:59: warning: initializer 'init(integerLiteral:)' cannot be used in a default argument value because 'DataStructures' was not imported by this file; this is an error in the Swift 6 language mode
67 |     /// The `Frequency` representation of this `Pitch`, with the given tuning `referenceFrequency`
68 |     /// at the given `referenceNoteNumber`.
69 |     public func frequency(referenceFrequency: Frequency = 440, referenceNoteNumber: NoteNumber = 69)
   |                                                           |- warning: initializer 'init(integerLiteral:)' cannot be used in a default argument value because 'DataStructures' was not imported by this file; this is an error in the Swift 6 language mode
   |                                                           `- note: The missing import of module 'DataStructures' will be added implicitly
70 |         -> Frequency
71 |     {
/Users/admin/builder/spi-builder-workspace/Sources/Pitch/Pitch.swift:69:98: warning: initializer 'init(integerLiteral:)' cannot be used in a default argument value because 'DataStructures' was not imported by this file; this is an error in the Swift 6 language mode
67 |     /// The `Frequency` representation of this `Pitch`, with the given tuning `referenceFrequency`
68 |     /// at the given `referenceNoteNumber`.
69 |     public func frequency(referenceFrequency: Frequency = 440, referenceNoteNumber: NoteNumber = 69)
   |                                                                                                  |- warning: initializer 'init(integerLiteral:)' cannot be used in a default argument value because 'DataStructures' was not imported by this file; this is an error in the Swift 6 language mode
   |                                                                                                  `- note: The missing import of module 'DataStructures' will be added implicitly
70 |         -> Frequency
71 |     {
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/Sources/Pitch/Chord/Chord.IntervalPattern.swift /Users/admin/builder/spi-builder-workspace/Sources/Pitch/Chord/Chord.swift /Users/admin/builder/spi-builder-workspace/Sources/Pitch/Chord/ChordDescriptor.swift /Users/admin/builder/spi-builder-workspace/Sources/Pitch/Dyad.swift /Users/admin/builder/spi-builder-workspace/Sources/Pitch/Frequency.swift /Users/admin/builder/spi-builder-workspace/Sources/Pitch/IntervalDescriptor/CompoundIntervalDescriptor.swift /Users/admin/builder/spi-builder-workspace/Sources/Pitch/IntervalDescriptor/IntervalDescriptor.swift /Users/admin/builder/spi-builder-workspace/Sources/Pitch/IntervalDescriptor/IntervalOrdinal.swift /Users/admin/builder/spi-builder-workspace/Sources/Pitch/IntervalDescriptor/IntervalQuality.swift /Users/admin/builder/spi-builder-workspace/Sources/Pitch/IntervalDescriptor/OrderedIntervalDescriptor.swift /Users/admin/builder/spi-builder-workspace/Sources/Pitch/IntervalDescriptor/UnorderedIntervalDescriptor.swift /Users/admin/builder/spi-builder-workspace/Sources/Pitch/NoteNumber.swift /Users/admin/builder/spi-builder-workspace/Sources/Pitch/NoteNumberRepresentable.swift /Users/admin/builder/spi-builder-workspace/Sources/Pitch/OrderedInterval.swift /Users/admin/builder/spi-builder-workspace/Sources/Pitch/Pitch.Class.swift /Users/admin/builder/spi-builder-workspace/Sources/Pitch/Pitch.swift /Users/admin/builder/spi-builder-workspace/Sources/Pitch/Scale/Scale.IntervalPattern.swift /Users/admin/builder/spi-builder-workspace/Sources/Pitch/Scale/Scale.swift /Users/admin/builder/spi-builder-workspace/Sources/Pitch/TuningSystem.swift /Users/admin/builder/spi-builder-workspace/Sources/Pitch/UnorderedInterval.swift -target arm64-apple-macos12.0 -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/ModuleCache.noindex -color-diagnostics -Xcc -fcolor-diagnostics -enable-testing -g -debug-info-format\=dwarf -dwarf-version\=4 -swift-version 4.2 -Onone -D SWIFT_PACKAGE -D DEBUG -D SWIFT_MODULE_RESOURCE_BUNDLE_UNAVAILABLE -D Xcode -serialize-debugging-options -enable-experimental-feature DebugDescriptionMacro -empty-abi-descriptor -plugin-path /Applications/Xcode-27.0.0-Release.Candidate.app/Contents/Developer/Toolchains/XcodeDefault.xctoolchain/usr/lib/swift/host/plugins/testing -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 -target-sdk-version 27.0 -target-sdk-name macosx27.0 -external-plugin-path /Applications/Xcode-27.0.0-Release.Candidate.app/Contents/Developer/Platforms/MacOSX.platform/Developer/usr/lib/swift/host/plugins\#/Applications/Xcode-27.0.0-Release.Candidate.app/Contents/Developer/Platforms/MacOSX.platform/Developer/usr/bin/swift-plugin-server -external-plugin-path /Applications/Xcode-27.0.0-Release.Candidate.app/Contents/Developer/Platforms/MacOSX.platform/Developer/usr/local/lib/swift/host/plugins\#/Applications/Xcode-27.0.0-Release.Candidate.app/Contents/Developer/Platforms/MacOSX.platform/Developer/usr/bin/swift-plugin-server -in-process-plugin-server-path /Applications/Xcode-27.0.0-Release.Candidate.app/Contents/Developer/Toolchains/XcodeDefault.xctoolchain/usr/lib/swift/host/libSwiftInProcPluginServer.dylib -plugin-path /Applications/Xcode-27.0.0-Release.Candidate.app/Contents/Developer/Toolchains/XcodeDefault.xctoolchain/usr/lib/swift/host/plugins -plugin-path /Applications/Xcode-27.0.0-Release.Candidate.app/Contents/Developer/Toolchains/XcodeDefault.xctoolchain/usr/local/lib/swift/host/plugins -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