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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 Linux.

Build Command

bash -c docker run --rm -v "checkouts-4606859-0":/host -w "$workDir" registry.gitlab.com/finestructure/spi-images:basic-5.10-latest swift build 2>&1

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 /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/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:         linux
Swift version:             5.10
Building package at path:  $workDir
https://github.com/dn-m/Music.git
Running build ...
bash -c docker run --rm -v "checkouts-4606859-0":/host -w "$workDir" registry.gitlab.com/finestructure/spi-images:basic-5.10-latest swift build 2>&1
Fetching https://github.com/dn-m/Math
Fetching https://github.com/dn-m/PerformanceTesting
Fetching https://github.com/dn-m/Structure
[1/5829] Fetching structure
[176/6670] Fetching structure, math
[1617/8195] Fetching structure, math, performancetesting
Fetched https://github.com/dn-m/Math from cache (0.31s)
Fetched https://github.com/dn-m/PerformanceTesting from cache (0.31s)
Fetched https://github.com/dn-m/Structure from cache (0.31s)
Computing version for https://github.com/dn-m/Math
Computed https://github.com/dn-m/Math at 0.8.0 (0.42s)
Computing version for https://github.com/dn-m/Structure
Computed https://github.com/dn-m/Structure at 0.24.0 (1.07s)
Computing version for https://github.com/dn-m/PerformanceTesting
Computed https://github.com/dn-m/PerformanceTesting at 0.4.0 (0.42s)
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
Building for debugging...
[0/11] Write sources
[10/11] Write swift-version-24593BA9C3E375BF.txt
[12/16] Emitting module Destructure
[13/16] Compiling Destructure Destructure.swift
[15/40] Compiling Articulations Articulation.swift
[16/40] Emitting module Articulations
[17/40] Compiling Articulations Slur.swift
[18/41] Compiling Algorithms StableSort.swift
[19/42] Compiling Algorithms TupleMap.swift
[20/42] Compiling Algorithms Swap.swift
[22/42] Compiling Algebra MonoidView.swift
[23/42] Compiling Algebra Multiplicative.swift
[24/42] Compiling Algebra Product.swift
[25/42] Compiling Algebra Semigroup.swift
[26/42] Compiling Algebra MultiplicativeSemigroup.swift
[27/42] Compiling Algebra One.swift
[28/44] Compiling Algebra Invertible.swift
[29/44] Compiling Algebra Monoid.swift
[30/44] Compiling Algorithms Split.swift
[31/44] Compiling Algorithms Ordered.swift
[32/44] Compiling Algorithms Combinatorics.swift
[33/44] Compiling Algorithms Rotate.swift
[34/44] Emitting module Algorithms
[35/44] Compiling Algorithms Unzip.swift
[36/45] Compiling Algebra Accumulate.swift
[37/45] Compiling Algebra Additive.swift
[38/45] Compiling Algebra AdditiveGroup.swift
[39/45] Compiling Algebra AdditiveSemigroup.swift
[40/45] Emitting module Algebra
[41/45] Compiling Algebra AlgebraAdapters.swift
[42/45] Compiling Algebra Group.swift
[44/45] Compiling Algebra Sum.swift
[45/45] Compiling Algebra Zero.swift
[47/105] Compiling DataStructures Intervallic.swift
[48/105] Compiling DataStructures IntervallicFragmentable.swift
[49/105] Compiling DataStructures Measured.swift
[50/105] Compiling DataStructures Totalizable.swift
[51/105] Compiling DataStructures DictionaryProtocol.swift
[52/105] Compiling DataStructures Either.swift
[53/105] Compiling DataStructures DirectedGraph.swift
[54/105] Compiling DataStructures Graph.swift
[55/105] Compiling DataStructures DirectedGraphProtocol.swift
[56/113] Compiling DataStructures OrderedPair.swift
[57/113] Compiling DataStructures Pair.swift
[58/113] Compiling DataStructures SwappablePair.swift
[59/113] Compiling DataStructures SymmetricPair.swift
[60/113] Compiling DataStructures UnorderedPair.swift
[61/113] Compiling DataStructures Queue.swift
[62/113] Compiling DataStructures RangeProtocol+Algebra.swift
[63/113] Compiling DataStructures RangeProtocol.swift
[64/113] Compiling DataStructures IntervalRelation.swift
[65/113] Compiling DataStructures InvertibleEnum.swift
[66/113] Compiling DataStructures LinkedList.swift
[67/113] Compiling DataStructures Matrix.swift
[68/113] Compiling DataStructures Metatype.swift
[69/113] Compiling DataStructures NewType.swift
[70/113] Compiling DataStructures OrderedDictionary.swift
[71/113] Compiling DataStructures Cross.swift
[72/113] Compiling DataStructures DoubleWrapping.swift
[73/113] Compiling DataStructures FloatWrapping.swift
[74/113] Compiling DataStructures IntegerWrapping.swift
[75/113] Compiling DataStructures RandomAccessCollectionWrapping.swift
[76/113] Compiling DataStructures SequenceWrapping.swift
[77/113] Compiling DataStructures SortedCollectionWrapping.swift
[78/113] Compiling DataStructures Zip3Sequence.swift
[79/113] Compiling DataStructures ZipToLongest.swift
[80/113] Emitting module DataStructures
[81/113] Compiling DataStructures ReferenceGraph.AdjacencyList.swift
[82/113] Compiling DataStructures ReferenceGraph.Edge.swift
[83/113] Compiling DataStructures ReferenceGraph.EdgeList.swift
[84/113] Compiling DataStructures ReferenceGraph.Node.swift
[85/113] Compiling DataStructures ReferenceGraph.swift
[86/113] Compiling DataStructures ReferenceTree.swift
[87/113] Compiling DataStructures ReferenceTreeProtocol.swift
[88/113] Compiling DataStructures SequenceExtensions.swift
[89/113] Compiling DataStructures GraphProtocol.swift
[90/113] Compiling DataStructures UndirectedGraphProtocol.swift
[91/113] Compiling DataStructures UnweightedGraphProtocol.swift
[92/113] Compiling DataStructures WeightedGraphProtocol.swift
[93/113] Compiling DataStructures WeightedDirectedGraph.swift
[94/113] Compiling DataStructures WeightedGraph.swift
[95/113] Compiling DataStructures Homogeneity.swift
[96/113] Compiling DataStructures Identifier.swift
[97/113] Compiling DataStructures SetExtensions.swift
[98/113] Compiling DataStructures SingleTypedTree.swift
[99/113] Compiling DataStructures SortedArray.swift
[100/113] Compiling DataStructures SortedDictionary.swift
[101/113] Compiling DataStructures Stack.swift
[102/113] Compiling DataStructures Tree.Zipper.swift
[103/113] Compiling DataStructures Tree.swift
[104/113] Compiling DataStructures CollectionWrapping.swift
[105/113] Compiling DataStructures AVLTree.swift
[106/113] Compiling DataStructures AdjacencyList.swift
[107/113] Compiling DataStructures Bimap.swift
[108/113] Compiling DataStructures BinaryHeap.swift
[109/113] Compiling DataStructures BinarySearchTree.swift
[110/113] Compiling DataStructures CircularArray.swift
[111/113] Compiling DataStructures CollectionExtensions.swift
[112/113] Compiling DataStructures ContiguousSegmentCollection.swift
[113/113] Compiling DataStructures Fragmentable.swift
[115/131] Compiling Dynamics Dynamic.Interpolation.swift
[116/131] Emitting module Dynamics
[117/131] Compiling Dynamics Dynamic.swift
[119/132] Compiling Math Rational.swift
[120/133] Compiling Math Scale.swift
[121/133] Compiling Math Power.swift
[122/133] Compiling Math PowerOfTwoSequence.swift
[123/133] Compiling Math IntegerExtensions.swift
[124/133] Compiling Math LinearRegression.swift
[125/133] Compiling Math Functions.swift
[126/133] Compiling Math GCDDomain.swift
[127/133] Compiling Math Proximity.swift
[128/133] Compiling Math Quadratic.swift
[129/133] Compiling Math Bitwise.swift
[130/133] Compiling Math CollectionExtensions.swift
[131/133] Compiling Math DoubleExtensions.swift
[132/133] Compiling Math Fraction.swift
[133/133] Emitting module Math
[135/168] Compiling Duration Subdivision.swift
[136/168] Compiling Duration Tempo.Context.swift
[137/169] Compiling Pitch Chord.IntervalPattern.swift
[138/169] Compiling Pitch Chord.swift
[139/169] Compiling Pitch ChordDescriptor.swift
[140/169] Compiling Pitch Dyad.swift
error: emit-module command failed with exit code 1 (use -v to see invocation)
[141/169] Emitting module Pitch
/host/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)
                       ^
/host/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)
                       ^
/host/spi-builder-workspace/.build/checkouts/Structure/Sources/DataStructures/NewType.swift:79:24: note: candidate exactly matches
    public static func -= (lhs: inout Self, rhs: Self) {
                       ^
/host/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)
                       ^
/host/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)
                       ^
/host/spi-builder-workspace/.build/checkouts/Structure/Sources/DataStructures/NewType.swift:79:24: note: candidate exactly matches
    public static func -= (lhs: inout Self, rhs: Self) {
                       ^
/host/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)
                                                          ^
/host/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)
                                                          ^
/host/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)
                                                                                                 ^
/host/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)
                                                                                                 ^
[142/171] Compiling Pitch Frequency.swift
[143/171] Compiling Pitch CompoundIntervalDescriptor.swift
[144/171] Compiling Pitch IntervalDescriptor.swift
[145/171] Compiling Pitch IntervalOrdinal.swift
[146/171] Compiling Duration ProportionTree.swift
[149/171] Compiling Pitch TuningSystem.swift
[150/171] Compiling Pitch UnorderedInterval.swift
[151/171] Emitting module Duration
/host/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
                                                      ^
/host/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
                                                      ^
[152/171] Compiling Pitch Scale.IntervalPattern.swift
[153/171] Compiling Pitch Scale.swift
[154/171] Compiling Duration Rhythm.swift
/host/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)
                                                          ^
/host/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)
                                                          ^
/host/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)
                                                                                                 ^
/host/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)
                                                                                                 ^
[157/171] Compiling Duration ContinuationOrInstance.swift
/host/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)
                                                          ^
/host/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)
                                                          ^
/host/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)
                                                                                                 ^
/host/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)
                                                                                                 ^
[158/171] Compiling Pitch OrderedIntervalDescriptor.swift
/host/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)
                       ^
/host/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)
                       ^
/host/spi-builder-workspace/.build/checkouts/Structure/Sources/DataStructures/NewType.swift:79:24: note: candidate exactly matches
    public static func -= (lhs: inout Self, rhs: Self) {
                       ^
[159/171] Compiling Pitch UnorderedIntervalDescriptor.swift
/host/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)
                       ^
/host/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)
                       ^
/host/spi-builder-workspace/.build/checkouts/Structure/Sources/DataStructures/NewType.swift:79:24: note: candidate exactly matches
    public static func -= (lhs: inout Self, rhs: Self) {
                       ^
[160/171] Compiling Pitch NoteNumber.swift
/host/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)
                       ^
/host/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)
                       ^
/host/spi-builder-workspace/.build/checkouts/Structure/Sources/DataStructures/NewType.swift:79:24: note: candidate exactly matches
    public static func -= (lhs: inout Self, rhs: Self) {
                       ^
[161/171] Compiling Duration Tempo.swift
/host/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)
                       ^
/host/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)
                       ^
/host/spi-builder-workspace/.build/checkouts/Structure/Sources/DataStructures/NewType.swift:79:24: note: candidate exactly matches
    public static func -= (lhs: inout Self, rhs: Self) {
                       ^
/host/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)
                       ^
/host/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)
                       ^
/host/spi-builder-workspace/.build/checkouts/Structure/Sources/DataStructures/NewType.swift:79:24: note: candidate exactly matches
    public static func -= (lhs: inout Self, rhs: Self) {
                       ^
/host/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)
                       ^
/host/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)
                       ^
/host/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
/host/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
                                                      ^
/host/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
                                                      ^
[0/1] Planning build
Building for debugging...
[0/1] Write swift-version-24593BA9C3E375BF.txt
[2/11] Compiling Pitch NoteNumber.swift
/host/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)
                       ^
/host/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)
                       ^
/host/spi-builder-workspace/.build/checkouts/Structure/Sources/DataStructures/NewType.swift:79:24: note: candidate exactly matches
    public static func -= (lhs: inout Self, rhs: Self) {
                       ^
[3/11] Compiling Pitch UnorderedIntervalDescriptor.swift
[4/12] Compiling Duration ProportionTree.swift
/host/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
                                                      ^
/host/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 Rhythm.swift
[6/12] Emitting module Duration
/host/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
                                                      ^
/host/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
                                                      ^
[7/18] Compiling Pitch OrderedIntervalDescriptor.swift
[8/19] Compiling Duration Meter.swift
[9/19] Compiling Pitch Chord.swift
[10/19] Compiling Duration Meter.Kind.swift
[11/19] Compiling Duration Meter.Fragment.swift
[12/19] Compiling Duration Duration.swift
[13/19] Compiling Pitch ChordDescriptor.swift
error: emit-module command failed with exit code 1 (use -v to see invocation)
[14/19] Compiling Pitch Dyad.swift
[15/19] Compiling Pitch CompoundIntervalDescriptor.swift
[16/19] Emitting module Pitch
/host/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)
                       ^
/host/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)
                       ^
/host/spi-builder-workspace/.build/checkouts/Structure/Sources/DataStructures/NewType.swift:79:24: note: candidate exactly matches
    public static func -= (lhs: inout Self, rhs: Self) {
                       ^
/host/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)
                       ^
/host/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)
                       ^
/host/spi-builder-workspace/.build/checkouts/Structure/Sources/DataStructures/NewType.swift:79:24: note: candidate exactly matches
    public static func -= (lhs: inout Self, rhs: Self) {
                       ^
/host/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)
                                                          ^
/host/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)
                                                          ^
/host/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)
                                                                                                 ^
/host/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)
                                                                                                 ^
[17/19] Compiling Pitch Frequency.swift
/host/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)
                       ^
/host/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)
                       ^
/host/spi-builder-workspace/.build/checkouts/Structure/Sources/DataStructures/NewType.swift:79:24: note: candidate exactly matches
    public static func -= (lhs: inout Self, rhs: Self) {
                       ^
[18/28] Compiling Duration DurationTree.swift
[19/28] Compiling Duration Tempo.swift
[21/29] Compiling Pitch IntervalQuality.swift
[22/30] Compiling Pitch OrderedInterval.swift
[23/30] Compiling Pitch Pitch.swift
/host/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)
                                                          ^
/host/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)
                                                          ^
/host/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)
                                                                                                 ^
/host/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)
                                                                                                 ^
[24/30] Compiling Pitch IntervalDescriptor.swift
[25/30] Compiling Pitch IntervalOrdinal.swift
[26/30] Compiling Pitch NoteNumberRepresentable.swift
[27/30] Compiling Pitch Scale.IntervalPattern.swift
[28/30] Compiling Pitch Scale.swift
[29/30] Compiling Pitch Pitch.Class.swift
[30/30] Compiling Pitch UnorderedInterval.swift
error: fatalError
BUILD FAILURE 5.10 linux