The Swift Package Index logo.Swift Package Index

Track the adoption of Swift 6 strict concurrency checks for data race safety. How many packages are Ready for Swift 6?

Build Information

Failed to build Music with Swift 5.10 for macOS (SPM).

Build Command

env DEVELOPER_DIR=/Applications/Xcode-15.3.0-Beta.2.app xcrun swift build --arch arm64

Build Log

========================================
RunAll
========================================
Builder version: 4.29.0
Interrupt handler set up.
========================================
Checkout
========================================
Clone URL: https://github.com/dn-m/Music.git
Reference: 0.17.1
Initialized empty Git repository in /Users/builder/builds/UKfvDsi8u/3/finestructure/swiftpackageindex-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:             5.10
Building package at path:  $workDir
https://github.com/dn-m/Music.git
Running build ...
env DEVELOPER_DIR=/Applications/Xcode-15.3.0-Beta.2.app xcrun swift build --arch arm64
Building for debugging...
[0/11] Write sources
[10/11] Write swift-version--423B1241ED78D482.txt
[12/16] Compiling Destructure Destructure.swift
[13/16] Emitting module Destructure
[14/16] Compiling Articulations Slur.swift
[15/16] Compiling Articulations Articulation.swift
[16/16] Emitting module Articulations
[17/39] Compiling Algebra AdditiveGroup.swift
[18/39] Compiling Algebra AdditiveSemigroup.swift
[19/41] Compiling Algebra MonoidView.swift
[20/41] Compiling Algebra Multiplicative.swift
[21/41] Compiling Algebra Invertible.swift
[22/41] Compiling Algebra Monoid.swift
[23/41] Compiling Algebra Accumulate.swift
[24/41] Compiling Algebra Additive.swift
[25/41] Compiling Algorithms Swap.swift
[26/41] Compiling Algorithms TupleMap.swift
[27/41] Emitting module Algorithms
[28/41] Compiling Algorithms Split.swift
[29/41] Compiling Algorithms StableSort.swift
[30/41] Compiling Algorithms Rotate.swift
[31/41] Compiling Algorithms Ordered.swift
[32/41] Compiling Algorithms Combinatorics.swift
[33/42] Compiling Algebra Product.swift
[34/42] Compiling Algebra Semigroup.swift
[35/42] Compiling Algebra MultiplicativeSemigroup.swift
[36/42] Compiling Algebra One.swift
[37/42] Emitting module Algebra
[38/42] Compiling Algebra Sum.swift
[39/42] Compiling Algebra Zero.swift
[40/42] Compiling Algebra AlgebraAdapters.swift
[41/42] Compiling Algebra Group.swift
[42/42] Compiling Algorithms Unzip.swift
[43/101] Compiling DataStructures OrderedPair.swift
[44/101] Compiling DataStructures Pair.swift
[45/101] Compiling DataStructures SwappablePair.swift
[46/101] Compiling DataStructures SymmetricPair.swift
[47/101] Compiling DataStructures UnorderedPair.swift
[48/101] Compiling DataStructures Queue.swift
[49/101] Compiling DataStructures RangeProtocol+Algebra.swift
[50/101] Compiling DataStructures RangeProtocol.swift
[51/109] Compiling DataStructures GraphProtocol.swift
[52/109] Compiling DataStructures UndirectedGraphProtocol.swift
[53/109] Compiling DataStructures UnweightedGraphProtocol.swift
[54/109] Compiling DataStructures WeightedGraphProtocol.swift
[55/109] Compiling DataStructures WeightedDirectedGraph.swift
[56/109] Compiling DataStructures WeightedGraph.swift
[57/109] Compiling DataStructures Homogeneity.swift
[58/109] Compiling DataStructures Identifier.swift
[59/109] Compiling DataStructures Intervallic.swift
[60/109] Compiling DataStructures IntervallicFragmentable.swift
[61/109] Compiling DataStructures Measured.swift
[62/109] Compiling DataStructures Totalizable.swift
[63/109] Compiling DataStructures DictionaryProtocol.swift
[64/109] Compiling DataStructures Either.swift
[65/109] Compiling DataStructures DirectedGraph.swift
[66/109] Compiling DataStructures Graph.swift
[67/109] Compiling DataStructures DirectedGraphProtocol.swift
[68/109] Compiling DataStructures ReferenceGraph.AdjacencyList.swift
[69/109] Compiling DataStructures ReferenceGraph.Edge.swift
[70/109] Compiling DataStructures ReferenceGraph.EdgeList.swift
[71/109] Compiling DataStructures ReferenceGraph.Node.swift
[72/109] Compiling DataStructures ReferenceGraph.swift
[73/109] Compiling DataStructures ReferenceTree.swift
[74/109] Compiling DataStructures ReferenceTreeProtocol.swift
[75/109] Compiling DataStructures SequenceExtensions.swift
[76/109] Compiling DataStructures IntervalRelation.swift
[77/109] Compiling DataStructures InvertibleEnum.swift
[78/109] Compiling DataStructures LinkedList.swift
[79/109] Compiling DataStructures Matrix.swift
[80/109] Compiling DataStructures Metatype.swift
[81/109] Compiling DataStructures NewType.swift
[82/109] Compiling DataStructures OrderedDictionary.swift
[83/109] Compiling DataStructures Cross.swift
[84/109] Compiling DataStructures DoubleWrapping.swift
[85/109] Compiling DataStructures FloatWrapping.swift
[86/109] Compiling DataStructures IntegerWrapping.swift
[87/109] Compiling DataStructures RandomAccessCollectionWrapping.swift
[88/109] Compiling DataStructures SequenceWrapping.swift
[89/109] Compiling DataStructures SortedCollectionWrapping.swift
[90/109] Compiling DataStructures Zip3Sequence.swift
[91/109] Compiling DataStructures ZipToLongest.swift
[92/109] Compiling DataStructures SetExtensions.swift
[93/109] Compiling DataStructures SingleTypedTree.swift
[94/109] Compiling DataStructures SortedArray.swift
[95/109] Compiling DataStructures SortedDictionary.swift
[96/109] Compiling DataStructures Stack.swift
[97/109] Compiling DataStructures Tree.Zipper.swift
[98/109] Compiling DataStructures Tree.swift
[99/109] Compiling DataStructures CollectionWrapping.swift
[100/109] Emitting module DataStructures
[101/109] Compiling DataStructures AVLTree.swift
[102/109] Compiling DataStructures AdjacencyList.swift
[103/109] Compiling DataStructures Bimap.swift
[104/109] Compiling DataStructures BinaryHeap.swift
[105/109] Compiling DataStructures BinarySearchTree.swift
[106/109] Compiling DataStructures CircularArray.swift
[107/109] Compiling DataStructures CollectionExtensions.swift
[108/109] Compiling DataStructures ContiguousSegmentCollection.swift
[109/109] Compiling DataStructures Fragmentable.swift
[110/126] Emitting module Dynamics
[111/126] Compiling Dynamics Dynamic.swift
[112/126] Compiling Dynamics Dynamic.Interpolation.swift
[113/126] Compiling Math Functions.swift
[114/126] Compiling Math GCDDomain.swift
[115/127] Compiling Math Scale.swift
[116/127] Compiling Math Proximity.swift
[117/127] Compiling Math Quadratic.swift
[118/127] Compiling Math DoubleExtensions.swift
[119/127] Compiling Math Fraction.swift
[120/127] Compiling Math Rational.swift
[121/127] Compiling Math Power.swift
[122/127] Compiling Math PowerOfTwoSequence.swift
[123/127] Emitting module Math
[124/127] Compiling Math Bitwise.swift
[125/127] Compiling Math CollectionExtensions.swift
[126/127] Compiling Math IntegerExtensions.swift
[127/127] Compiling Math LinearRegression.swift
[128/161] Compiling Duration Tempo.Context.swift
[129/161] Compiling Pitch IntervalOrdinal.swift
[130/161] Compiling Pitch IntervalQuality.swift
[131/163] Compiling Duration AbsenceOrEvent.swift
[132/163] Compiling Duration Subdivision.swift
[133/163] Compiling Pitch OrderedIntervalDescriptor.swift
/Users/builder/builds/UKfvDsi8u/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/Pitch/NoteNumber.swift:27:15: error: type 'NoteNumber' does not conform to protocol 'AdditiveArithmetic'
public struct NoteNumber:
              ^
Swift.AdditiveArithmetic:4:17: note: multiple matching functions named '+=' with type '(inout NoteNumber, NoteNumber) -> ()'
    static func += (lhs: inout Self, rhs: Self)
                ^
Swift.AdditiveArithmetic:2:24: note: candidate exactly matches
    public static func += (lhs: inout Self, rhs: Self)
                       ^
/Users/builder/builds/UKfvDsi8u/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/.build/checkouts/Structure/Sources/DataStructures/NewType.swift:71:24: note: candidate exactly matches
    public static func += (lhs: inout Self, rhs: Self) {
                       ^
Swift.AdditiveArithmetic:6:17: note: multiple matching functions named '-=' with type '(inout NoteNumber, NoteNumber) -> ()'
    static func -= (lhs: inout Self, rhs: Self)
                ^
Swift.AdditiveArithmetic:3:24: note: candidate exactly matches
    public static func -= (lhs: inout Self, rhs: Self)
                       ^
/Users/builder/builds/UKfvDsi8u/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/.build/checkouts/Structure/Sources/DataStructures/NewType.swift:79:24: note: candidate exactly matches
    public static func -= (lhs: inout Self, rhs: Self) {
                       ^
[134/163] Compiling Pitch UnorderedIntervalDescriptor.swift
/Users/builder/builds/UKfvDsi8u/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/Pitch/NoteNumber.swift:27:15: error: type 'NoteNumber' does not conform to protocol 'AdditiveArithmetic'
public struct NoteNumber:
              ^
Swift.AdditiveArithmetic:4:17: note: multiple matching functions named '+=' with type '(inout NoteNumber, NoteNumber) -> ()'
    static func += (lhs: inout Self, rhs: Self)
                ^
Swift.AdditiveArithmetic:2:24: note: candidate exactly matches
    public static func += (lhs: inout Self, rhs: Self)
                       ^
/Users/builder/builds/UKfvDsi8u/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/.build/checkouts/Structure/Sources/DataStructures/NewType.swift:71:24: note: candidate exactly matches
    public static func += (lhs: inout Self, rhs: Self) {
                       ^
Swift.AdditiveArithmetic:6:17: note: multiple matching functions named '-=' with type '(inout NoteNumber, NoteNumber) -> ()'
    static func -= (lhs: inout Self, rhs: Self)
                ^
Swift.AdditiveArithmetic:3:24: note: candidate exactly matches
    public static func -= (lhs: inout Self, rhs: Self)
                       ^
/Users/builder/builds/UKfvDsi8u/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/.build/checkouts/Structure/Sources/DataStructures/NewType.swift:79:24: note: candidate exactly matches
    public static func -= (lhs: inout Self, rhs: Self) {
                       ^
[135/163] Compiling Pitch NoteNumber.swift
/Users/builder/builds/UKfvDsi8u/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/Pitch/NoteNumber.swift:27:15: error: type 'NoteNumber' does not conform to protocol 'AdditiveArithmetic'
public struct NoteNumber:
              ^
Swift.AdditiveArithmetic:4:17: note: multiple matching functions named '+=' with type '(inout NoteNumber, NoteNumber) -> ()'
    static func += (lhs: inout Self, rhs: Self)
                ^
Swift.AdditiveArithmetic:2:24: note: candidate exactly matches
    public static func += (lhs: inout Self, rhs: Self)
                       ^
/Users/builder/builds/UKfvDsi8u/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/.build/checkouts/Structure/Sources/DataStructures/NewType.swift:71:24: note: candidate exactly matches
    public static func += (lhs: inout Self, rhs: Self) {
                       ^
Swift.AdditiveArithmetic:6:17: note: multiple matching functions named '-=' with type '(inout NoteNumber, NoteNumber) -> ()'
    static func -= (lhs: inout Self, rhs: Self)
                ^
Swift.AdditiveArithmetic:3:24: note: candidate exactly matches
    public static func -= (lhs: inout Self, rhs: Self)
                       ^
/Users/builder/builds/UKfvDsi8u/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/.build/checkouts/Structure/Sources/DataStructures/NewType.swift:79:24: note: candidate exactly matches
    public static func -= (lhs: inout Self, rhs: Self) {
                       ^
error: emit-module command failed with exit code 1 (use -v to see invocation)
[136/163] Compiling Pitch Chord.IntervalPattern.swift
[137/163] Compiling Duration Beats.swift
[138/163] Compiling Duration Duration.swift
[139/163] Compiling Duration DurationTree.swift
/Users/builder/builds/UKfvDsi8u/3/finestructure/swiftpackageindex-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 Swift 6
    public func frequency(referenceFrequency: Frequency = 440, referenceNoteNumber: NoteNumber = 69)
                                                          ^
/Users/builder/builds/UKfvDsi8u/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/Pitch/Pitch.swift:69:59: note: The missing import of module 'DataStructures' will be added implicitly
    public func frequency(referenceFrequency: Frequency = 440, referenceNoteNumber: NoteNumber = 69)
                                                          ^
/Users/builder/builds/UKfvDsi8u/3/finestructure/swiftpackageindex-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 Swift 6
    public func frequency(referenceFrequency: Frequency = 440, referenceNoteNumber: NoteNumber = 69)
                                                                                                 ^
/Users/builder/builds/UKfvDsi8u/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/Pitch/Pitch.swift:69:98: note: The missing import of module 'DataStructures' will be added implicitly
    public func frequency(referenceFrequency: Frequency = 440, referenceNoteNumber: NoteNumber = 69)
                                                                                                 ^
[140/163] Compiling Duration Meter.Collection.swift
/Users/builder/builds/UKfvDsi8u/3/finestructure/swiftpackageindex-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 Swift 6
    public func frequency(referenceFrequency: Frequency = 440, referenceNoteNumber: NoteNumber = 69)
                                                          ^
/Users/builder/builds/UKfvDsi8u/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/Pitch/Pitch.swift:69:59: note: The missing import of module 'DataStructures' will be added implicitly
    public func frequency(referenceFrequency: Frequency = 440, referenceNoteNumber: NoteNumber = 69)
                                                          ^
/Users/builder/builds/UKfvDsi8u/3/finestructure/swiftpackageindex-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 Swift 6
    public func frequency(referenceFrequency: Frequency = 440, referenceNoteNumber: NoteNumber = 69)
                                                                                                 ^
/Users/builder/builds/UKfvDsi8u/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/Pitch/Pitch.swift:69:98: note: The missing import of module 'DataStructures' will be added implicitly
    public func frequency(referenceFrequency: Frequency = 440, referenceNoteNumber: NoteNumber = 69)
                                                                                                 ^
[141/163] Emitting module Pitch
/Users/builder/builds/UKfvDsi8u/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/Pitch/Frequency.swift:25:15: error: type 'Frequency' does not conform to protocol 'AdditiveArithmetic'
public struct Frequency: NewType, SignedNumeric {
              ^
Swift.AdditiveArithmetic:4:17: note: multiple matching functions named '+=' with type '(inout Frequency, Frequency) -> ()'
    static func += (lhs: inout Self, rhs: Self)
                ^
Swift.AdditiveArithmetic:2:24: note: candidate exactly matches
    public static func += (lhs: inout Self, rhs: Self)
                       ^
/Users/builder/builds/UKfvDsi8u/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/.build/checkouts/Structure/Sources/DataStructures/NewType.swift:71:24: note: candidate exactly matches
    public static func += (lhs: inout Self, rhs: Self) {
                       ^
Swift.AdditiveArithmetic:6:17: note: multiple matching functions named '-=' with type '(inout Frequency, Frequency) -> ()'
    static func -= (lhs: inout Self, rhs: Self)
                ^
Swift.AdditiveArithmetic:3:24: note: candidate exactly matches
    public static func -= (lhs: inout Self, rhs: Self)
                       ^
/Users/builder/builds/UKfvDsi8u/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/.build/checkouts/Structure/Sources/DataStructures/NewType.swift:79:24: note: candidate exactly matches
    public static func -= (lhs: inout Self, rhs: Self) {
                       ^
/Users/builder/builds/UKfvDsi8u/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/Pitch/NoteNumber.swift:27:15: error: type 'NoteNumber' does not conform to protocol 'AdditiveArithmetic'
public struct NoteNumber:
              ^
Swift.AdditiveArithmetic:4:17: note: multiple matching functions named '+=' with type '(inout NoteNumber, NoteNumber) -> ()'
    static func += (lhs: inout Self, rhs: Self)
                ^
Swift.AdditiveArithmetic:2:24: note: candidate exactly matches
    public static func += (lhs: inout Self, rhs: Self)
                       ^
/Users/builder/builds/UKfvDsi8u/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/.build/checkouts/Structure/Sources/DataStructures/NewType.swift:71:24: note: candidate exactly matches
    public static func += (lhs: inout Self, rhs: Self) {
                       ^
Swift.AdditiveArithmetic:6:17: note: multiple matching functions named '-=' with type '(inout NoteNumber, NoteNumber) -> ()'
    static func -= (lhs: inout Self, rhs: Self)
                ^
Swift.AdditiveArithmetic:3:24: note: candidate exactly matches
    public static func -= (lhs: inout Self, rhs: Self)
                       ^
/Users/builder/builds/UKfvDsi8u/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/.build/checkouts/Structure/Sources/DataStructures/NewType.swift:79:24: note: candidate exactly matches
    public static func -= (lhs: inout Self, rhs: Self) {
                       ^
/Users/builder/builds/UKfvDsi8u/3/finestructure/swiftpackageindex-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 Swift 6
    public func frequency(referenceFrequency: Frequency = 440, referenceNoteNumber: NoteNumber = 69)
                                                          ^
/Users/builder/builds/UKfvDsi8u/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/Pitch/Pitch.swift:69:59: note: The missing import of module 'DataStructures' will be added implicitly
    public func frequency(referenceFrequency: Frequency = 440, referenceNoteNumber: NoteNumber = 69)
                                                          ^
/Users/builder/builds/UKfvDsi8u/3/finestructure/swiftpackageindex-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 Swift 6
    public func frequency(referenceFrequency: Frequency = 440, referenceNoteNumber: NoteNumber = 69)
                                                                                                 ^
/Users/builder/builds/UKfvDsi8u/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/Pitch/Pitch.swift:69:98: note: The missing import of module 'DataStructures' will be added implicitly
    public func frequency(referenceFrequency: Frequency = 440, referenceNoteNumber: NoteNumber = 69)
                                                                                                 ^
[142/163] Compiling Pitch TuningSystem.swift
[143/163] Compiling Pitch UnorderedInterval.swift
[144/163] Compiling Duration Meter.swift
[150/163] Compiling Duration Meter.Fragment.swift
[151/163] Compiling Duration Meter.Kind.swift
[154/163] Emitting module Duration
/Users/builder/builds/UKfvDsi8u/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/Duration/Rhythm/ProportionTree.swift:34:55: warning: property 'sum' cannot be used in an '@inlinable' function because 'Algebra' was not imported by this file; this is an error in Swift 6
                let sum = trees.lazy.map { $0.value }.sum
                                                      ^
/Users/builder/builds/UKfvDsi8u/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/Duration/Rhythm/ProportionTree.swift:34:55: note: The missing import of module 'Algebra' will be added implicitly
                let sum = trees.lazy.map { $0.value }.sum
                                                      ^
/Users/builder/builds/UKfvDsi8u/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/Duration/Rhythm/ProportionTree.swift:34:55: warning: property 'sum' cannot be used in an '@inlinable' function because 'Algebra' was not imported by this file; this is an error in Swift 6
                let sum = trees.lazy.map { $0.value }.sum
                                                      ^
/Users/builder/builds/UKfvDsi8u/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/Duration/Rhythm/ProportionTree.swift:34:55: note: The missing import of module 'Algebra' will be added implicitly
                let sum = trees.lazy.map { $0.value }.sum
                                                      ^
/Users/builder/builds/UKfvDsi8u/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/Duration/Rhythm/ProportionTree.swift:34:55: warning: property 'sum' cannot be used in an '@inlinable' function because 'Algebra' was not imported by this file; this is an error in Swift 6
                let sum = trees.lazy.map { $0.value }.sum
                                                      ^
/Users/builder/builds/UKfvDsi8u/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/Duration/Rhythm/ProportionTree.swift:34:55: note: The missing import of module 'Algebra' will be added implicitly
                let sum = trees.lazy.map { $0.value }.sum
                                                      ^
[159/164] Compiling Pitch Scale.IntervalPattern.swift
[160/164] Compiling Pitch Scale.swift
/Users/builder/builds/UKfvDsi8u/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/Pitch/Frequency.swift:25:15: error: type 'Frequency' does not conform to protocol 'AdditiveArithmetic'
public struct Frequency: NewType, SignedNumeric {
              ^
Swift.AdditiveArithmetic:4:17: note: multiple matching functions named '+=' with type '(inout Frequency, Frequency) -> ()'
    static func += (lhs: inout Self, rhs: Self)
                ^
Swift.AdditiveArithmetic:2:24: note: candidate exactly matches
    public static func += (lhs: inout Self, rhs: Self)
                       ^
/Users/builder/builds/UKfvDsi8u/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/.build/checkouts/Structure/Sources/DataStructures/NewType.swift:71:24: note: candidate exactly matches
    public static func += (lhs: inout Self, rhs: Self) {
                       ^
Swift.AdditiveArithmetic:6:17: note: multiple matching functions named '-=' with type '(inout Frequency, Frequency) -> ()'
    static func -= (lhs: inout Self, rhs: Self)
                ^
Swift.AdditiveArithmetic:3:24: note: candidate exactly matches
    public static func -= (lhs: inout Self, rhs: Self)
                       ^
/Users/builder/builds/UKfvDsi8u/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/.build/checkouts/Structure/Sources/DataStructures/NewType.swift:79:24: note: candidate exactly matches
    public static func -= (lhs: inout Self, rhs: Self) {
                       ^
/Users/builder/builds/UKfvDsi8u/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/Pitch/Frequency.swift:25:15: error: type 'Frequency' does not conform to protocol 'AdditiveArithmetic'
public struct Frequency: NewType, SignedNumeric {
              ^
Swift.AdditiveArithmetic:4:17: note: multiple matching functions named '+=' with type '(inout Frequency, Frequency) -> ()'
    static func += (lhs: inout Self, rhs: Self)
                ^
Swift.AdditiveArithmetic:2:24: note: candidate exactly matches
    public static func += (lhs: inout Self, rhs: Self)
                       ^
/Users/builder/builds/UKfvDsi8u/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/.build/checkouts/Structure/Sources/DataStructures/NewType.swift:71:24: note: candidate exactly matches
    public static func += (lhs: inout Self, rhs: Self) {
                       ^
Swift.AdditiveArithmetic:6:17: note: multiple matching functions named '-=' with type '(inout Frequency, Frequency) -> ()'
    static func -= (lhs: inout Self, rhs: Self)
                ^
Swift.AdditiveArithmetic:3:24: note: candidate exactly matches
    public static func -= (lhs: inout Self, rhs: Self)
                       ^
/Users/builder/builds/UKfvDsi8u/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/.build/checkouts/Structure/Sources/DataStructures/NewType.swift:79:24: note: candidate exactly matches
    public static func -= (lhs: inout Self, rhs: Self) {
                       ^
/Users/builder/builds/UKfvDsi8u/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/Pitch/Frequency.swift:25:15: error: type 'Frequency' does not conform to protocol 'AdditiveArithmetic'
public struct Frequency: NewType, SignedNumeric {
              ^
Swift.AdditiveArithmetic:4:17: note: multiple matching functions named '+=' with type '(inout Frequency, Frequency) -> ()'
    static func += (lhs: inout Self, rhs: Self)
                ^
Swift.AdditiveArithmetic:2:24: note: candidate exactly matches
    public static func += (lhs: inout Self, rhs: Self)
                       ^
/Users/builder/builds/UKfvDsi8u/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/.build/checkouts/Structure/Sources/DataStructures/NewType.swift:71:24: note: candidate exactly matches
    public static func += (lhs: inout Self, rhs: Self) {
                       ^
Swift.AdditiveArithmetic:6:17: note: multiple matching functions named '-=' with type '(inout Frequency, Frequency) -> ()'
    static func -= (lhs: inout Self, rhs: Self)
                ^
Swift.AdditiveArithmetic:3:24: note: candidate exactly matches
    public static func -= (lhs: inout Self, rhs: Self)
                       ^
/Users/builder/builds/UKfvDsi8u/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/.build/checkouts/Structure/Sources/DataStructures/NewType.swift:79:24: note: candidate exactly matches
    public static func -= (lhs: inout Self, rhs: Self) {
                       ^
error: fatalError
Fetching https://github.com/dn-m/PerformanceTesting from cache
Fetching https://github.com/dn-m/Math from cache
Fetching https://github.com/dn-m/Structure from cache
Fetched https://github.com/dn-m/PerformanceTesting from cache (0.17s)
Fetched https://github.com/dn-m/Math from cache (0.17s)
Fetched https://github.com/dn-m/Structure from cache (0.18s)
Computing version for https://github.com/dn-m/Math
Computed https://github.com/dn-m/Math at 0.8.0 (0.03s)
Computing version for https://github.com/dn-m/Structure
Computed https://github.com/dn-m/Structure at 0.24.0 (0.34s)
Computing version for https://github.com/dn-m/PerformanceTesting
Computed https://github.com/dn-m/PerformanceTesting at 0.4.0 (0.03s)
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/PerformanceTesting
Working copy of https://github.com/dn-m/PerformanceTesting resolved at 0.4.0
Creating working copy for https://github.com/dn-m/Structure
Working copy of https://github.com/dn-m/Structure resolved at 0.24.0
[0/1] Planning build
Building for debugging...
[0/1] Write swift-version--423B1241ED78D482.txt
[2/10] Compiling Pitch UnorderedIntervalDescriptor.swift
[3/10] Compiling Pitch OrderedIntervalDescriptor.swift
[4/12] Emitting module Duration
/Users/builder/builds/UKfvDsi8u/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/Duration/Rhythm/ProportionTree.swift:34:55: warning: property 'sum' cannot be used in an '@inlinable' function because 'Algebra' was not imported by this file; this is an error in Swift 6
                let sum = trees.lazy.map { $0.value }.sum
                                                      ^
/Users/builder/builds/UKfvDsi8u/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/Duration/Rhythm/ProportionTree.swift:34:55: note: The missing import of module 'Algebra' will be added implicitly
                let sum = trees.lazy.map { $0.value }.sum
                                                      ^
[5/12] Compiling Duration Tempo.swift
[6/14] Compiling Pitch ChordDescriptor.swift
[7/14] Compiling Pitch Chord.swift
[8/14] Compiling Duration Tempo.Context.swift
[9/14] Compiling Duration Meter.Collection.swift
[10/14] Compiling Pitch Dyad.swift
error: emit-module command failed with exit code 1 (use -v to see invocation)
[11/14] Compiling Pitch CompoundIntervalDescriptor.swift
[12/14] Emitting module Pitch
/Users/builder/builds/UKfvDsi8u/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/Pitch/Frequency.swift:25:15: error: type 'Frequency' does not conform to protocol 'AdditiveArithmetic'
public struct Frequency: NewType, SignedNumeric {
              ^
Swift.AdditiveArithmetic:4:17: note: multiple matching functions named '+=' with type '(inout Frequency, Frequency) -> ()'
    static func += (lhs: inout Self, rhs: Self)
                ^
Swift.AdditiveArithmetic:2:24: note: candidate exactly matches
    public static func += (lhs: inout Self, rhs: Self)
                       ^
/Users/builder/builds/UKfvDsi8u/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/.build/checkouts/Structure/Sources/DataStructures/NewType.swift:71:24: note: candidate exactly matches
    public static func += (lhs: inout Self, rhs: Self) {
                       ^
Swift.AdditiveArithmetic:6:17: note: multiple matching functions named '-=' with type '(inout Frequency, Frequency) -> ()'
    static func -= (lhs: inout Self, rhs: Self)
                ^
Swift.AdditiveArithmetic:3:24: note: candidate exactly matches
    public static func -= (lhs: inout Self, rhs: Self)
                       ^
/Users/builder/builds/UKfvDsi8u/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/.build/checkouts/Structure/Sources/DataStructures/NewType.swift:79:24: note: candidate exactly matches
    public static func -= (lhs: inout Self, rhs: Self) {
                       ^
/Users/builder/builds/UKfvDsi8u/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/Pitch/NoteNumber.swift:27:15: error: type 'NoteNumber' does not conform to protocol 'AdditiveArithmetic'
public struct NoteNumber:
              ^
Swift.AdditiveArithmetic:4:17: note: multiple matching functions named '+=' with type '(inout NoteNumber, NoteNumber) -> ()'
    static func += (lhs: inout Self, rhs: Self)
                ^
Swift.AdditiveArithmetic:2:24: note: candidate exactly matches
    public static func += (lhs: inout Self, rhs: Self)
                       ^
/Users/builder/builds/UKfvDsi8u/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/.build/checkouts/Structure/Sources/DataStructures/NewType.swift:71:24: note: candidate exactly matches
    public static func += (lhs: inout Self, rhs: Self) {
                       ^
Swift.AdditiveArithmetic:6:17: note: multiple matching functions named '-=' with type '(inout NoteNumber, NoteNumber) -> ()'
    static func -= (lhs: inout Self, rhs: Self)
                ^
Swift.AdditiveArithmetic:3:24: note: candidate exactly matches
    public static func -= (lhs: inout Self, rhs: Self)
                       ^
/Users/builder/builds/UKfvDsi8u/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/.build/checkouts/Structure/Sources/DataStructures/NewType.swift:79:24: note: candidate exactly matches
    public static func -= (lhs: inout Self, rhs: Self) {
                       ^
/Users/builder/builds/UKfvDsi8u/3/finestructure/swiftpackageindex-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 Swift 6
    public func frequency(referenceFrequency: Frequency = 440, referenceNoteNumber: NoteNumber = 69)
                                                          ^
/Users/builder/builds/UKfvDsi8u/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/Pitch/Pitch.swift:69:59: note: The missing import of module 'DataStructures' will be added implicitly
    public func frequency(referenceFrequency: Frequency = 440, referenceNoteNumber: NoteNumber = 69)
                                                          ^
/Users/builder/builds/UKfvDsi8u/3/finestructure/swiftpackageindex-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 Swift 6
    public func frequency(referenceFrequency: Frequency = 440, referenceNoteNumber: NoteNumber = 69)
                                                                                                 ^
/Users/builder/builds/UKfvDsi8u/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/Pitch/Pitch.swift:69:98: note: The missing import of module 'DataStructures' will be added implicitly
    public func frequency(referenceFrequency: Frequency = 440, referenceNoteNumber: NoteNumber = 69)
                                                                                                 ^
[13/14] Compiling Pitch NoteNumber.swift
/Users/builder/builds/UKfvDsi8u/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/Pitch/NoteNumber.swift:27:15: error: type 'NoteNumber' does not conform to protocol 'AdditiveArithmetic'
public struct NoteNumber:
              ^
Swift.AdditiveArithmetic:4:17: note: multiple matching functions named '+=' with type '(inout NoteNumber, NoteNumber) -> ()'
    static func += (lhs: inout Self, rhs: Self)
                ^
Swift.AdditiveArithmetic:2:24: note: candidate exactly matches
    public static func += (lhs: inout Self, rhs: Self)
                       ^
/Users/builder/builds/UKfvDsi8u/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/.build/checkouts/Structure/Sources/DataStructures/NewType.swift:71:24: note: candidate exactly matches
    public static func += (lhs: inout Self, rhs: Self) {
                       ^
Swift.AdditiveArithmetic:6:17: note: multiple matching functions named '-=' with type '(inout NoteNumber, NoteNumber) -> ()'
    static func -= (lhs: inout Self, rhs: Self)
                ^
Swift.AdditiveArithmetic:3:24: note: candidate exactly matches
    public static func -= (lhs: inout Self, rhs: Self)
                       ^
/Users/builder/builds/UKfvDsi8u/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/.build/checkouts/Structure/Sources/DataStructures/NewType.swift:79:24: note: candidate exactly matches
    public static func -= (lhs: inout Self, rhs: Self) {
                       ^
[14/14] Compiling Pitch Frequency.swift
/Users/builder/builds/UKfvDsi8u/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/Pitch/Frequency.swift:25:15: error: type 'Frequency' does not conform to protocol 'AdditiveArithmetic'
public struct Frequency: NewType, SignedNumeric {
              ^
Swift.AdditiveArithmetic:4:17: note: multiple matching functions named '+=' with type '(inout Frequency, Frequency) -> ()'
    static func += (lhs: inout Self, rhs: Self)
                ^
Swift.AdditiveArithmetic:2:24: note: candidate exactly matches
    public static func += (lhs: inout Self, rhs: Self)
                       ^
/Users/builder/builds/UKfvDsi8u/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/.build/checkouts/Structure/Sources/DataStructures/NewType.swift:71:24: note: candidate exactly matches
    public static func += (lhs: inout Self, rhs: Self) {
                       ^
Swift.AdditiveArithmetic:6:17: note: multiple matching functions named '-=' with type '(inout Frequency, Frequency) -> ()'
    static func -= (lhs: inout Self, rhs: Self)
                ^
Swift.AdditiveArithmetic:3:24: note: candidate exactly matches
    public static func -= (lhs: inout Self, rhs: Self)
                       ^
/Users/builder/builds/UKfvDsi8u/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/.build/checkouts/Structure/Sources/DataStructures/NewType.swift:79:24: note: candidate exactly matches
    public static func -= (lhs: inout Self, rhs: Self) {
                       ^
[15/23] Compiling Pitch Pitch.swift
/Users/builder/builds/UKfvDsi8u/3/finestructure/swiftpackageindex-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 Swift 6
    public func frequency(referenceFrequency: Frequency = 440, referenceNoteNumber: NoteNumber = 69)
                                                          ^
/Users/builder/builds/UKfvDsi8u/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/Pitch/Pitch.swift:69:59: note: The missing import of module 'DataStructures' will be added implicitly
    public func frequency(referenceFrequency: Frequency = 440, referenceNoteNumber: NoteNumber = 69)
                                                          ^
/Users/builder/builds/UKfvDsi8u/3/finestructure/swiftpackageindex-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 Swift 6
    public func frequency(referenceFrequency: Frequency = 440, referenceNoteNumber: NoteNumber = 69)
                                                                                                 ^
/Users/builder/builds/UKfvDsi8u/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/Pitch/Pitch.swift:69:98: note: The missing import of module 'DataStructures' will be added implicitly
    public func frequency(referenceFrequency: Frequency = 440, referenceNoteNumber: NoteNumber = 69)
                                                                                                 ^
[16/23] Compiling Pitch IntervalDescriptor.swift
[17/23] Compiling Pitch IntervalOrdinal.swift
[18/23] Compiling Pitch NoteNumberRepresentable.swift
[19/23] Compiling Pitch OrderedInterval.swift
[20/23] Compiling Pitch Scale.swift
[21/24] Compiling Pitch IntervalQuality.swift
[22/24] Compiling Pitch Scale.IntervalPattern.swift
[23/24] Compiling Pitch Pitch.Class.swift
[24/24] Compiling Pitch UnorderedInterval.swift
error: fatalError
BUILD FAILURE 5.10 macosSpm