The Swift Package Index logo.Swift Package Index

Has it really been five years since Swift Package Index launched? Read our anniversary blog post!

Build Information

Failed to build Music, reference 0.17.1 (f3fd48), with Swift 6.2 (beta) for macOS (SPM) on 18 Jun 2025 13:03:14 UTC.

Build Command

env DEVELOPER_DIR=/Applications/Xcode-26.0.0-Beta.app xcrun swift build --arch arm64

Build Log

========================================
RunAll
========================================
Builder version: 4.64.0
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:             6.2
Building package at path:  $PWD
https://github.com/dn-m/Music.git
Running build ...
env DEVELOPER_DIR=/Applications/Xcode-26.0.0-Beta.app xcrun swift build --arch arm64
Building for debugging...
[0/11] Write sources
[10/11] Write swift-version-1EA4D86E10B52AF.txt
[12/16] Emitting module Destructure
[13/16] Compiling Destructure Destructure.swift
[14/16] Compiling Articulations Articulation.swift
[15/16] Compiling Articulations Slur.swift
[16/16] Emitting module Articulations
[17/42] Compiling Algebra Additive.swift
[18/42] Compiling Algebra AdditiveGroup.swift
[19/43] Compiling Algorithms Unzip.swift
[20/43] Compiling Algorithms TupleMap.swift
[21/43] Compiling Algorithms Swap.swift
[22/43] Compiling Algebra Multiplicative.swift
[23/43] Compiling Algebra MultiplicativeSemigroup.swift
[24/43] Compiling Algebra Monoid.swift
[25/43] Compiling Algebra MonoidView.swift
[26/43] Compiling Algebra Group.swift
[27/43] Compiling Algebra Invertible.swift
[28/43] Compiling Algebra One.swift
[29/43] Compiling Algebra Product.swift
[30/43] Compiling Algebra Sum.swift
[31/43] Compiling Algebra Semigroup.swift
[32/43] Compiling Algorithms StableSort.swift
[33/43] Compiling Algorithms Rotate.swift
[34/43] Emitting module Algebra
[35/43] Compiling Algebra Abelian.swift
[36/43] Compiling Algebra Accumulate.swift
[37/43] Compiling Algebra AdditiveSemigroup.swift
[38/43] Compiling Algebra AlgebraAdapters.swift
[39/43] Compiling Algorithms Split.swift
[40/43] Emitting module Algorithms
[41/43] Compiling Algorithms Combinatorics.swift
[42/43] Compiling Algorithms Ordered.swift
[43/43] Compiling Algebra Zero.swift
[44/104] Compiling DataStructures UnweightedGraphProtocol.swift
[45/104] Compiling DataStructures WeightedGraphProtocol.swift
[46/104] Compiling DataStructures ReferenceGraph.AdjacencyList.swift
[47/104] Compiling DataStructures ReferenceGraph.Edge.swift
[48/104] Compiling DataStructures ReferenceGraph.EdgeList.swift
[49/104] Compiling DataStructures ReferenceGraph.Node.swift
[50/104] Compiling DataStructures ReferenceGraph.swift
[51/110] Compiling DataStructures Either.swift
[52/110] Compiling DataStructures IntervalRelation.swift
[53/110] Compiling DataStructures InvertibleEnum.swift
[54/110] Compiling DataStructures Cross.swift
[55/110] Compiling DataStructures OrderedPair.swift
[56/110] Compiling DataStructures Pair.swift
[57/110] Compiling DataStructures SwappablePair.swift
[58/110] Compiling DataStructures Tree.Zipper.swift
[59/110] Compiling DataStructures Tree.swift
[60/110] Compiling DataStructures CollectionWrapping.swift
[61/110] Compiling DataStructures DoubleWrapping.swift
[62/110] Compiling DataStructures FloatWrapping.swift
[63/110] Compiling DataStructures Identifier.swift
[64/110] Compiling DataStructures IntegerWrapping.swift
[65/110] Compiling DataStructures Metatype.swift
[66/110] Compiling DataStructures NewType.swift
[67/110] Compiling DataStructures RandomAccessCollectionWrapping.swift
[68/110] Compiling DataStructures SequenceWrapping.swift
[69/110] Compiling DataStructures SortedCollectionWrapping.swift
[70/110] Compiling DataStructures Matrix.swift
[71/110] Compiling DataStructures Queue.swift
[72/110] Compiling DataStructures SortedArray.swift
[73/110] Compiling DataStructures Stack.swift
[74/110] Compiling DataStructures Zip3Sequence.swift
[75/110] Compiling DataStructures ZipToLongest.swift
[76/110] Emitting module DataStructures
[77/110] Compiling DataStructures Measured.swift
[78/110] Compiling DataStructures Totalizable.swift
[79/110] Compiling DataStructures DictionaryProtocol.swift
[80/110] Compiling DataStructures OrderedDictionary.swift
[81/110] Compiling DataStructures SortedDictionary.swift
[82/110] Compiling DataStructures CircularArray.swift
[83/110] Compiling DataStructures LinkedList.swift
[84/110] Compiling DataStructures SetExtensions.swift
[85/110] Compiling DataStructures AdjacencyList.swift
[86/110] Compiling DataStructures DirectedGraph.swift
[87/110] Compiling DataStructures Graph.swift
[88/110] Compiling DataStructures DirectedGraphProtocol.swift
[89/110] Compiling DataStructures GraphProtocol.swift
[90/110] Compiling DataStructures UndirectedGraphProtocol.swift
[91/110] Compiling DataStructures WeightedDirectedGraph.swift
[92/110] Compiling DataStructures WeightedGraph.swift
[93/110] Compiling DataStructures Bimap.swift
[94/110] Compiling DataStructures ContiguousSegmentCollection.swift
[95/110] Compiling DataStructures Fragmentable.swift
[96/110] Compiling DataStructures Intervallic.swift
[97/110] Compiling DataStructures IntervallicFragmentable.swift
[98/110] Compiling DataStructures AVLTree.swift
[99/110] Compiling DataStructures BinaryHeap.swift
[100/110] Compiling DataStructures BinarySearchTree.swift
[101/110] Compiling DataStructures ReferenceTree.swift
[102/110] Compiling DataStructures ReferenceTreeProtocol.swift
[103/110] Compiling DataStructures SingleTypedTree.swift
[104/110] Compiling DataStructures SymmetricPair.swift
[105/110] Compiling DataStructures UnorderedPair.swift
[106/110] Compiling DataStructures CollectionExtensions.swift
[107/110] Compiling DataStructures Homogeneity.swift
[108/110] Compiling DataStructures RangeProtocol+Algebra.swift
[109/110] Compiling DataStructures RangeProtocol.swift
[110/110] Compiling DataStructures SequenceExtensions.swift
[111/127] Compiling Dynamics Dynamic.Interpolation.swift
[112/127] Emitting module Dynamics
[113/127] Compiling Dynamics Dynamic.swift
[114/127] Compiling Math Bitwise.swift
[115/127] Compiling Math CollectionExtensions.swift
[116/128] Compiling Math Scale.swift
[117/128] Emitting module Math
[118/128] Compiling Math IntegerExtensions.swift
[119/128] Compiling Math LinearRegression.swift
[120/128] Compiling Math Rational.swift
[121/128] Compiling Math Power.swift
[122/128] Compiling Math PowerOfTwoSequence.swift
[123/128] Compiling Math Functions.swift
[124/128] Compiling Math GCDDomain.swift
[125/128] Compiling Math Quadratic.swift
[126/128] Compiling Math DoubleExtensions.swift
[127/128] Compiling Math Fraction.swift
[128/128] Compiling Math Proximity.swift
[129/162] Compiling Pitch IntervalQuality.swift
[130/162] Compiling Pitch OrderedIntervalDescriptor.swift
[131/163] Compiling Duration ProportionTree.swift
/Users/admin/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 the Swift 6 language mode
 32 |                 return .leaf(accum)
 33 |             case .branch(let duration, let trees):
 34 |                 let sum = trees.lazy.map { $0.value }.sum
    |                                                       |- warning: property 'sum' cannot be used in an '@inlinable' function because 'Algebra' was not imported by this file; this is an error in the Swift 6 language mode
    |                                                       `- note: The missing import of module 'Algebra' will be added implicitly
 35 |                 let scale = Fraction(duration, sum)
 36 |                 return .branch(accum, trees.map { traverse($0, accum: accum * scale) })
[132/163] Compiling Pitch Chord.IntervalPattern.swift
[133/163] Compiling Pitch Chord.swift
[134/163] Compiling Pitch Frequency.swift
[135/163] Compiling Pitch CompoundIntervalDescriptor.swift
[136/163] Compiling Duration Rhythm.swift
[137/163] Compiling Duration ContinuationOrInstance.swift
[138/163] Compiling Duration DurationTree.swift
[139/163] Compiling Duration Tempo.Context.swift
[140/163] Compiling Duration Subdivision.swift
[141/163] Compiling Pitch UnorderedIntervalDescriptor.swift
[142/163] Compiling Pitch NoteNumber.swift
[143/163] Emitting module Duration
/Users/admin/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 the Swift 6 language mode
 32 |                 return .leaf(accum)
 33 |             case .branch(let duration, let trees):
 34 |                 let sum = trees.lazy.map { $0.value }.sum
    |                                                       |- warning: property 'sum' cannot be used in an '@inlinable' function because 'Algebra' was not imported by this file; this is an error in the Swift 6 language mode
    |                                                       `- note: The missing import of module 'Algebra' will be added implicitly
 35 |                 let scale = Fraction(duration, sum)
 36 |                 return .branch(accum, trees.map { traverse($0, accum: accum * scale) })
[144/163] Compiling Pitch NoteNumberRepresentable.swift
[145/163] Compiling Pitch OrderedInterval.swift
[146/163] Compiling Pitch Scale.IntervalPattern.swift
[147/163] Compiling Pitch Scale.swift
[148/163] Compiling Pitch Pitch.Class.swift
/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 |     {
[149/163] Compiling Pitch Pitch.swift
/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 |     {
/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/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 |
error: emit-module command failed with exit code 1 (use -v to see invocation)
[152/165] Emitting module Pitch
/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 |     {
[155/165] Compiling Pitch IntervalDescriptor.swift
[156/165] Compiling Pitch IntervalOrdinal.swift
/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/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 |
[163/165] Compiling Pitch TuningSystem.swift
[164/165] Compiling Pitch UnorderedInterval.swift
Fetching https://github.com/dn-m/Structure
Fetching https://github.com/dn-m/Math
[17/841] Fetching math
[10/6670] Fetching math, structure
Fetched https://github.com/dn-m/Math from cache (1.00s)
Fetched https://github.com/dn-m/Structure from cache (1.00s)
Computing version for https://github.com/dn-m/Math
Computed https://github.com/dn-m/Math at 0.8.0 (1.58s)
Computing version for https://github.com/dn-m/Structure
Computed https://github.com/dn-m/Structure at 0.25.0 (1.92s)
Fetching https://github.com/dn-m/PerformanceTesting
[1/1525] Fetching performancetesting
Fetched https://github.com/dn-m/PerformanceTesting from cache (0.81s)
Computing version for https://github.com/dn-m/PerformanceTesting
Computed https://github.com/dn-m/PerformanceTesting at 0.4.0 (1.35s)
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/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
BUILD FAILURE 6.2 macosSpm