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 5.9 for macOS (SPM).

Build Command

Build command unavailable

Build Log

========================================
RunAll
========================================
Builder version: 4.27.1
Interrupt handler set up.
========================================
Checkout
========================================
Clone URL: https://github.com/dn-m/Music.git
Reference: latest
Initialized empty Git repository in /Users/admin/builds/h8344Zi3/0/finestructure/swiftpackageindex-builder/spi-builder-workspace/.git/
From https://github.com/dn-m/Music
 * branch            latest     -> FETCH_HEAD
 * [new branch]      latest     -> origin/latest
HEAD is now at 0e4c365 Fix R & I
Cloned https://github.com/dn-m/Music.git
Revision (git rev-parse @):
0e4c3653740c34df98dd3587f630f30ac34ed25b
SUCCESS checkout https://github.com/dn-m/Music.git at latest
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 (0.32s)
Fetched https://github.com/dn-m/Math (0.33s)
Fetched https://github.com/dn-m/Structure (0.33s)
Computing version for https://github.com/dn-m/Math
Computed https://github.com/dn-m/Math at 0.8.0 (0.06s)
Computing version for https://github.com/dn-m/Structure
Computed https://github.com/dn-m/Structure at 0.25.0 (0.09s)
Computing version for https://github.com/dn-m/PerformanceTesting
Computed https://github.com/dn-m/PerformanceTesting at 0.4.0 (0.07s)
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
========================================
ResolveProductDependencies
========================================
Resolving dependencies ...
{
  "identity": ".resolve-product-dependencies",
  "name": "resolve-dependencies",
  "url": "/Users/admin/builds/h8344Zi3/0/finestructure/swiftpackageindex-builder/spi-builder-workspace/.resolve-product-dependencies",
  "version": "unspecified",
  "path": "/Users/admin/builds/h8344Zi3/0/finestructure/swiftpackageindex-builder/spi-builder-workspace/.resolve-product-dependencies",
  "dependencies": [
    {
      "identity": "music",
      "name": "Music",
      "url": "https://github.com/dn-m/Music.git",
      "version": "unspecified",
      "path": "/Users/admin/builds/h8344Zi3/0/finestructure/swiftpackageindex-builder/spi-builder-workspace/.resolve-product-dependencies/.build/checkouts/Music",
      "dependencies": [
        {
          "identity": "structure",
          "name": "Structure",
          "url": "https://github.com/dn-m/Structure",
          "version": "0.25.0",
          "path": "/Users/admin/builds/h8344Zi3/0/finestructure/swiftpackageindex-builder/spi-builder-workspace/.resolve-product-dependencies/.build/checkouts/Structure",
          "dependencies": [
            {
              "identity": "performancetesting",
              "name": "PerformanceTesting",
              "url": "https://github.com/dn-m/PerformanceTesting",
              "version": "0.4.0",
              "path": "/Users/admin/builds/h8344Zi3/0/finestructure/swiftpackageindex-builder/spi-builder-workspace/.resolve-product-dependencies/.build/checkouts/PerformanceTesting",
              "dependencies": [
              ]
            }
          ]
        },
        {
          "identity": "math",
          "name": "Math",
          "url": "https://github.com/dn-m/Math",
          "version": "0.8.0",
          "path": "/Users/admin/builds/h8344Zi3/0/finestructure/swiftpackageindex-builder/spi-builder-workspace/.resolve-product-dependencies/.build/checkouts/Math",
          "dependencies": [
            {
              "identity": "structure",
              "name": "Structure",
              "url": "https://github.com/dn-m/Structure",
              "version": "0.25.0",
              "path": "/Users/admin/builds/h8344Zi3/0/finestructure/swiftpackageindex-builder/spi-builder-workspace/.resolve-product-dependencies/.build/checkouts/Structure",
              "dependencies": [
                {
                  "identity": "performancetesting",
                  "name": "PerformanceTesting",
                  "url": "https://github.com/dn-m/PerformanceTesting",
                  "version": "0.4.0",
                  "path": "/Users/admin/builds/h8344Zi3/0/finestructure/swiftpackageindex-builder/spi-builder-workspace/.resolve-product-dependencies/.build/checkouts/PerformanceTesting",
                  "dependencies": [
                  ]
                }
              ]
            }
          ]
        }
      ]
    }
  ]
}
Fetching https://github.com/dn-m/Music.git
[1/4196] Fetching music
Fetched https://github.com/dn-m/Music.git (0.60s)
Fetching https://github.com/dn-m/Structure from cache
Fetching https://github.com/dn-m/Math from cache
Fetched https://github.com/dn-m/Math (0.24s)
Fetched https://github.com/dn-m/Structure (0.24s)
Computing version for https://github.com/dn-m/Math
Computed https://github.com/dn-m/Math at 0.8.0 (0.05s)
Computing version for https://github.com/dn-m/Structure
Computed https://github.com/dn-m/Structure at 0.25.0 (0.04s)
Fetching https://github.com/dn-m/PerformanceTesting from cache
Fetched https://github.com/dn-m/PerformanceTesting (0.20s)
Computing version for https://github.com/dn-m/PerformanceTesting
Computed https://github.com/dn-m/PerformanceTesting at 0.4.0 (0.05s)
Creating working copy for https://github.com/dn-m/Math
Working copy of https://github.com/dn-m/Math resolved at 0.8.0
Creating working copy for https://github.com/dn-m/Structure
Working copy of https://github.com/dn-m/Structure resolved at 0.25.0
Creating working copy for https://github.com/dn-m/Music.git
Working copy of https://github.com/dn-m/Music.git resolved at latest
Creating working copy for https://github.com/dn-m/PerformanceTesting
Working copy of https://github.com/dn-m/PerformanceTesting resolved at 0.4.0
warning: '.resolve-product-dependencies': dependency 'music' is not used by any target
Found 2 product dependencies
  - Structure
  - Math
========================================
Build
========================================
Selected platform:         macosSpm
Swift version:             5.9
Building package at path:  $PWD/checkout
Running build ...
env DEVELOPER_DIR=/Applications/Xcode-15.0.0.app xcrun swift build --arch arm64
Building for debugging...
[1/5] Compiling Destructure Destructure.swift
[2/5] Emitting module Destructure
[3/5] Compiling Articulations Articulation.swift
[4/5] Compiling Articulations Slur.swift
[5/5] Emitting module Articulations
[6/29] Compiling Algebra MultiplicativeSemigroup.swift
[7/29] Compiling Algebra One.swift
[8/29] Compiling Algebra MonoidView.swift
[9/29] Compiling Algebra Multiplicative.swift
[10/31] Compiling Algebra Invertible.swift
[11/31] Compiling Algebra Monoid.swift
[12/31] Compiling Algorithms TupleMap.swift
[13/32] Compiling Algorithms Swap.swift
[14/32] Emitting module Algebra
[15/32] Compiling Algorithms Rotate.swift
[16/32] Compiling Algorithms Ordered.swift
[17/32] Compiling Algorithms Unzip.swift
[18/32] Compiling Algebra AdditiveGroup.swift
[19/32] Compiling Algebra AdditiveSemigroup.swift
[20/32] Compiling Algebra Abelian.swift
[21/32] Compiling Algebra Accumulate.swift
[22/32] Compiling Algebra Additive.swift
[23/32] Compiling Algebra Product.swift
[24/32] Compiling Algebra Semigroup.swift
[25/32] Compiling Algebra AlgebraAdapters.swift
[26/32] Compiling Algebra Group.swift
[27/32] Compiling Algebra Sum.swift
[28/32] Compiling Algebra Zero.swift
[29/32] Emitting module Algorithms
[30/32] Compiling Algorithms Combinatorics.swift
[31/32] Compiling Algorithms Split.swift
[32/32] Compiling Algorithms StableSort.swift
[33/91] Compiling DataStructures DirectedGraphProtocol.swift
[34/91] Compiling DataStructures GraphProtocol.swift
[35/91] Compiling DataStructures UndirectedGraphProtocol.swift
[36/91] Compiling DataStructures UnweightedGraphProtocol.swift
[37/91] Compiling DataStructures WeightedGraphProtocol.swift
[38/91] Compiling DataStructures ReferenceGraph.AdjacencyList.swift
[39/91] Compiling DataStructures ReferenceGraph.Edge.swift
[40/91] Compiling DataStructures ReferenceGraph.EdgeList.swift
[41/99] Compiling DataStructures Either.swift
[42/99] Compiling DataStructures IntervalRelation.swift
[43/99] Compiling DataStructures InvertibleEnum.swift
[44/99] Compiling DataStructures Cross.swift
[45/99] Compiling DataStructures OrderedPair.swift
[46/99] Compiling DataStructures Pair.swift
[47/99] Compiling DataStructures SwappablePair.swift
[48/99] Compiling DataStructures SymmetricPair.swift
[49/99] Compiling DataStructures UnorderedPair.swift
[50/99] Compiling DataStructures CollectionExtensions.swift
[51/99] Compiling DataStructures Homogeneity.swift
[52/99] Compiling DataStructures RangeProtocol+Algebra.swift
[53/99] Compiling DataStructures RangeProtocol.swift
[54/99] Compiling DataStructures SequenceExtensions.swift
[55/99] Compiling DataStructures SetExtensions.swift
[56/99] Compiling DataStructures AdjacencyList.swift
[57/99] Compiling DataStructures DirectedGraph.swift
[58/99] Compiling DataStructures Graph.swift
[59/99] Compiling DataStructures FloatWrapping.swift
[60/99] Compiling DataStructures Identifier.swift
[61/99] Compiling DataStructures IntegerWrapping.swift
[62/99] Compiling DataStructures Metatype.swift
[63/99] Compiling DataStructures NewType.swift
[64/99] Compiling DataStructures RandomAccessCollectionWrapping.swift
[65/99] Compiling DataStructures SequenceWrapping.swift
[66/99] Compiling DataStructures SortedCollectionWrapping.swift
[67/99] Compiling DataStructures IntervallicFragmentable.swift
[68/99] Compiling DataStructures Measured.swift
[69/99] Compiling DataStructures Totalizable.swift
[70/99] Compiling DataStructures DictionaryProtocol.swift
[71/99] Compiling DataStructures OrderedDictionary.swift
[72/99] Compiling DataStructures SortedDictionary.swift
[73/99] Compiling DataStructures CircularArray.swift
[74/99] Compiling DataStructures LinkedList.swift
[75/99] Compiling DataStructures BinarySearchTree.swift
[76/99] Compiling DataStructures ReferenceTree.swift
[77/99] Compiling DataStructures ReferenceTreeProtocol.swift
[78/99] Compiling DataStructures SingleTypedTree.swift
[79/99] Compiling DataStructures Tree.Zipper.swift
[80/99] Compiling DataStructures Tree.swift
[81/99] Compiling DataStructures CollectionWrapping.swift
[82/99] Compiling DataStructures DoubleWrapping.swift
[83/99] Emitting module DataStructures
[84/99] Compiling DataStructures Matrix.swift
[85/99] Compiling DataStructures Queue.swift
[86/99] Compiling DataStructures SortedArray.swift
[87/99] Compiling DataStructures Stack.swift
[88/99] Compiling DataStructures Zip3Sequence.swift
[89/99] Compiling DataStructures ZipToLongest.swift
[90/99] Compiling DataStructures AVLTree.swift
[91/99] Compiling DataStructures BinaryHeap.swift
[92/99] Compiling DataStructures ReferenceGraph.Node.swift
[93/99] Compiling DataStructures ReferenceGraph.swift
[94/99] Compiling DataStructures WeightedDirectedGraph.swift
[95/99] Compiling DataStructures WeightedGraph.swift
[96/99] Compiling DataStructures Bimap.swift
[97/99] Compiling DataStructures ContiguousSegmentCollection.swift
[98/99] Compiling DataStructures Fragmentable.swift
[99/99] Compiling DataStructures Intervallic.swift
[100/116] Emitting module Dynamics
[101/116] Compiling Dynamics Dynamic.Interpolation.swift
[102/116] Compiling Dynamics Dynamic.swift
[103/116] Compiling Math Rational.swift
[104/117] Emitting module Math
[105/117] Compiling Math Functions.swift
[106/117] Compiling Math GCDDomain.swift
[107/117] Compiling Math DoubleExtensions.swift
[108/117] Compiling Math Fraction.swift
[109/117] Compiling Math Bitwise.swift
[110/117] Compiling Math CollectionExtensions.swift
[111/117] Compiling Math Proximity.swift
[112/117] Compiling Math Quadratic.swift
[113/117] Compiling Math Power.swift
[114/117] Compiling Math PowerOfTwoSequence.swift
[115/117] Compiling Math IntegerExtensions.swift
[116/117] Compiling Math LinearRegression.swift
[117/117] Compiling Math Scale.swift
[118/152] Compiling Pitch Frequency.swift
[119/152] Compiling Pitch NoteNumber.swift
[120/153] Compiling Pitch Scale.IntervalPattern.swift
[121/153] Compiling Pitch Scale.swift
[122/155] Compiling Pitch Dyad.swift
/Users/admin/builds/h8344Zi3/0/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/admin/builds/h8344Zi3/0/finestructure/swiftpackageindex-builder/spi-builder-workspace/.build/checkouts/Structure/Sources/DataStructures/Wrapping/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/admin/builds/h8344Zi3/0/finestructure/swiftpackageindex-builder/spi-builder-workspace/.build/checkouts/Structure/Sources/DataStructures/Wrapping/NewType.swift:79:24: note: candidate exactly matches
    public static func -= (lhs: inout Self, rhs: Self) {
                       ^
/Users/admin/builds/h8344Zi3/0/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/admin/builds/h8344Zi3/0/finestructure/swiftpackageindex-builder/spi-builder-workspace/.build/checkouts/Structure/Sources/DataStructures/Wrapping/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/admin/builds/h8344Zi3/0/finestructure/swiftpackageindex-builder/spi-builder-workspace/.build/checkouts/Structure/Sources/DataStructures/Wrapping/NewType.swift:79:24: note: candidate exactly matches
    public static func -= (lhs: inout Self, rhs: Self) {
                       ^
/Users/admin/builds/h8344Zi3/0/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/admin/builds/h8344Zi3/0/finestructure/swiftpackageindex-builder/spi-builder-workspace/.build/checkouts/Structure/Sources/DataStructures/Wrapping/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/admin/builds/h8344Zi3/0/finestructure/swiftpackageindex-builder/spi-builder-workspace/.build/checkouts/Structure/Sources/DataStructures/Wrapping/NewType.swift:79:24: note: candidate exactly matches
    public static func -= (lhs: inout Self, rhs: Self) {
                       ^
/Users/admin/builds/h8344Zi3/0/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/admin/builds/h8344Zi3/0/finestructure/swiftpackageindex-builder/spi-builder-workspace/.build/checkouts/Structure/Sources/DataStructures/Wrapping/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/admin/builds/h8344Zi3/0/finestructure/swiftpackageindex-builder/spi-builder-workspace/.build/checkouts/Structure/Sources/DataStructures/Wrapping/NewType.swift:79:24: note: candidate exactly matches
    public static func -= (lhs: inout Self, rhs: Self) {
                       ^
/Users/admin/builds/h8344Zi3/0/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/admin/builds/h8344Zi3/0/finestructure/swiftpackageindex-builder/spi-builder-workspace/.build/checkouts/Structure/Sources/DataStructures/Wrapping/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/admin/builds/h8344Zi3/0/finestructure/swiftpackageindex-builder/spi-builder-workspace/.build/checkouts/Structure/Sources/DataStructures/Wrapping/NewType.swift:79:24: note: candidate exactly matches
    public static func -= (lhs: inout Self, rhs: Self) {
                       ^
/Users/admin/builds/h8344Zi3/0/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/admin/builds/h8344Zi3/0/finestructure/swiftpackageindex-builder/spi-builder-workspace/.build/checkouts/Structure/Sources/DataStructures/Wrapping/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/admin/builds/h8344Zi3/0/finestructure/swiftpackageindex-builder/spi-builder-workspace/.build/checkouts/Structure/Sources/DataStructures/Wrapping/NewType.swift:79:24: note: candidate exactly matches
    public static func -= (lhs: inout Self, rhs: Self) {
                       ^
[125/155] Compiling Pitch Pitch.Class.swift
/Users/admin/builds/h8344Zi3/0/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/admin/builds/h8344Zi3/0/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/admin/builds/h8344Zi3/0/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/admin/builds/h8344Zi3/0/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)
                                                                                                 ^
[126/155] Compiling Pitch Pitch.swift
/Users/admin/builds/h8344Zi3/0/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/admin/builds/h8344Zi3/0/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/admin/builds/h8344Zi3/0/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/admin/builds/h8344Zi3/0/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)
                                                                                                 ^
[127/155] Compiling Pitch NoteNumberRepresentable.swift
[128/155] Compiling Pitch OrderedInterval.swift
[129/155] Compiling Pitch Pitch.Class.Collection.swift
[130/155] Compiling Pitch UnorderedDiatonicInterval.swift
[132/155] Compiling Pitch ChordDescriptor.swift
[133/155] Compiling Pitch CompoundDiatonicInterval.swift
[134/155] Compiling Pitch DiatonicInterval.swift
[135/155] Compiling Pitch DiatonicIntervalNumber.swift
[138/155] Compiling Pitch Chord.IntervalPattern.swift
[139/155] Compiling Pitch Chord.swift
[140/155] Emitting module Duration
/Users/admin/builds/h8344Zi3/0/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/admin/builds/h8344Zi3/0/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
                                                      ^
[141/155] Compiling Pitch DiatonicIntervalProtocol.swift
/Users/admin/builds/h8344Zi3/0/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/admin/builds/h8344Zi3/0/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
                                                      ^
[142/155] Compiling Pitch DiatonicIntervalQuality.swift
/Users/admin/builds/h8344Zi3/0/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/admin/builds/h8344Zi3/0/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
                                                      ^
[146/155] Compiling Pitch TuningSystem.swift
[147/155] Compiling Pitch UnorderedInterval.swift
error: emit-module command failed with exit code 1 (use -v to see invocation)
[154/155] Emitting module Pitch
/Users/admin/builds/h8344Zi3/0/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/admin/builds/h8344Zi3/0/finestructure/swiftpackageindex-builder/spi-builder-workspace/.build/checkouts/Structure/Sources/DataStructures/Wrapping/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/admin/builds/h8344Zi3/0/finestructure/swiftpackageindex-builder/spi-builder-workspace/.build/checkouts/Structure/Sources/DataStructures/Wrapping/NewType.swift:79:24: note: candidate exactly matches
    public static func -= (lhs: inout Self, rhs: Self) {
                       ^
/Users/admin/builds/h8344Zi3/0/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/admin/builds/h8344Zi3/0/finestructure/swiftpackageindex-builder/spi-builder-workspace/.build/checkouts/Structure/Sources/DataStructures/Wrapping/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/admin/builds/h8344Zi3/0/finestructure/swiftpackageindex-builder/spi-builder-workspace/.build/checkouts/Structure/Sources/DataStructures/Wrapping/NewType.swift:79:24: note: candidate exactly matches
    public static func -= (lhs: inout Self, rhs: Self) {
                       ^
/Users/admin/builds/h8344Zi3/0/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/admin/builds/h8344Zi3/0/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/admin/builds/h8344Zi3/0/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/admin/builds/h8344Zi3/0/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)
                                                                                                 ^
[155/155] Compiling Duration Tempo.swift
error: fatalError
[0/1] Planning build
Building for debugging...
[1/4] Compiling Pitch Dyad.swift
[2/4] Compiling Pitch Frequency.swift
/Users/admin/builds/h8344Zi3/0/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/admin/builds/h8344Zi3/0/finestructure/swiftpackageindex-builder/spi-builder-workspace/.build/checkouts/Structure/Sources/DataStructures/Wrapping/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/admin/builds/h8344Zi3/0/finestructure/swiftpackageindex-builder/spi-builder-workspace/.build/checkouts/Structure/Sources/DataStructures/Wrapping/NewType.swift:79:24: note: candidate exactly matches
    public static func -= (lhs: inout Self, rhs: Self) {
                       ^
[3/4] Compiling Pitch NoteNumber.swift
/Users/admin/builds/h8344Zi3/0/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/admin/builds/h8344Zi3/0/finestructure/swiftpackageindex-builder/spi-builder-workspace/.build/checkouts/Structure/Sources/DataStructures/Wrapping/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/admin/builds/h8344Zi3/0/finestructure/swiftpackageindex-builder/spi-builder-workspace/.build/checkouts/Structure/Sources/DataStructures/Wrapping/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)
[4/6] Emitting module Pitch
/Users/admin/builds/h8344Zi3/0/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/admin/builds/h8344Zi3/0/finestructure/swiftpackageindex-builder/spi-builder-workspace/.build/checkouts/Structure/Sources/DataStructures/Wrapping/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/admin/builds/h8344Zi3/0/finestructure/swiftpackageindex-builder/spi-builder-workspace/.build/checkouts/Structure/Sources/DataStructures/Wrapping/NewType.swift:79:24: note: candidate exactly matches
    public static func -= (lhs: inout Self, rhs: Self) {
                       ^
/Users/admin/builds/h8344Zi3/0/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/admin/builds/h8344Zi3/0/finestructure/swiftpackageindex-builder/spi-builder-workspace/.build/checkouts/Structure/Sources/DataStructures/Wrapping/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/admin/builds/h8344Zi3/0/finestructure/swiftpackageindex-builder/spi-builder-workspace/.build/checkouts/Structure/Sources/DataStructures/Wrapping/NewType.swift:79:24: note: candidate exactly matches
    public static func -= (lhs: inout Self, rhs: Self) {
                       ^
/Users/admin/builds/h8344Zi3/0/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/admin/builds/h8344Zi3/0/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/admin/builds/h8344Zi3/0/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/admin/builds/h8344Zi3/0/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)
                                                                                                 ^
[5/6] Compiling Pitch Pitch.Class.swift
[6/6] Compiling Pitch Pitch.Class.Collection.swift
error: fatalError
BUILD FAILURE 5.9 macosSpm