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Build Information

Failed to build NotationModel 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/notationmodel.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/notationmodel
 * branch            latest     -> FETCH_HEAD
 * [new branch]      latest     -> origin/latest
HEAD is now at fae8f64 Point Travis badge to latest branch
Cloned https://github.com/dn-m/notationmodel.git
Revision (git rev-parse @):
fae8f641845a2f03dab154c299d3aa3edaeba146
SUCCESS checkout https://github.com/dn-m/notationmodel.git at latest
Fetching https://github.com/dn-m/Music 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/Math (0.33s)
Fetching https://github.com/dn-m/PerformanceTesting from cache
Fetched https://github.com/dn-m/Structure (0.34s)
Fetched https://github.com/dn-m/Music (0.34s)
Computing version for https://github.com/dn-m/Music
Fetched https://github.com/dn-m/PerformanceTesting (0.22s)
Computed https://github.com/dn-m/Music at 0.15.0 (0.92s)
Computing version for https://github.com/dn-m/Math
Computed https://github.com/dn-m/Math at 0.7.1 (0.61s)
Computing version for https://github.com/dn-m/Structure
Computed https://github.com/dn-m/Structure at 0.23.0 (0.54s)
Computing version for https://github.com/dn-m/PerformanceTesting
Computed https://github.com/dn-m/PerformanceTesting at 0.3.0 (0.51s)
Creating working copy for https://github.com/dn-m/Math
Working copy of https://github.com/dn-m/Math resolved at 0.7.1
Creating working copy for https://github.com/dn-m/Music
Working copy of https://github.com/dn-m/Music resolved at 0.15.0
Creating working copy for https://github.com/dn-m/PerformanceTesting
Working copy of https://github.com/dn-m/PerformanceTesting resolved at 0.3.0
Creating working copy for https://github.com/dn-m/Structure
Working copy of https://github.com/dn-m/Structure resolved at 0.23.0
========================================
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": "notationmodel",
      "name": "NotationModel",
      "url": "https://github.com/dn-m/notationmodel.git",
      "version": "unspecified",
      "path": "/Users/admin/builds/h8344Zi3/0/finestructure/swiftpackageindex-builder/spi-builder-workspace/.resolve-product-dependencies/.build/checkouts/notationmodel",
      "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": [
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        {
          "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": [
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              "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": [
                {
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                  "name": "PerformanceTesting",
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                  "version": "0.4.0",
                  "path": "/Users/admin/builds/h8344Zi3/0/finestructure/swiftpackageindex-builder/spi-builder-workspace/.resolve-product-dependencies/.build/checkouts/PerformanceTesting",
                  "dependencies": [
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        {
          "identity": "music",
          "name": "Music",
          "url": "https://github.com/dn-m/Music",
          "version": "0.17.1",
          "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": [
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              ]
            },
            {
              "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": [
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}
Fetching https://github.com/dn-m/notationmodel.git
[1/13161] Fetching notationmodel
Fetched https://github.com/dn-m/notationmodel.git (0.87s)
Fetching https://github.com/dn-m/Music 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/Math (0.23s)
Fetched https://github.com/dn-m/Structure (0.23s)
Fetched https://github.com/dn-m/Music (0.23s)
Computing version for https://github.com/dn-m/Math
Computed https://github.com/dn-m/Math at 0.8.0 (0.04s)
Computing version for https://github.com/dn-m/Music
Computed https://github.com/dn-m/Music at 0.17.1 (0.64s)
Computing version for https://github.com/dn-m/Structure
Computed https://github.com/dn-m/Structure at 0.25.0 (0.86s)
Fetching https://github.com/dn-m/PerformanceTesting from cache
Fetched https://github.com/dn-m/PerformanceTesting (0.25s)
Computing version for https://github.com/dn-m/PerformanceTesting
Computed https://github.com/dn-m/PerformanceTesting at 0.4.0 (0.67s)
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/Music
Working copy of https://github.com/dn-m/Music resolved at 0.17.1
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/notationmodel.git
Working copy of https://github.com/dn-m/notationmodel.git resolved at latest
warning: '.resolve-product-dependencies': dependency 'notationmodel' is not used by any target
Found 3 product dependencies
  - Structure
  - Math
  - Music
========================================
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...
[1/2] Compiling Destructure Destructure.swift
[2/2] Emitting module Destructure
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[16/28] Compiling Algorithms Ordered.swift
[17/28] Compiling Algorithms Combinatorics.swift
[18/28] Emitting module Algorithms
[19/28] Compiling Algorithms Split.swift
[20/28] Compiling Algebra AdditiveGroup.swift
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[22/28] Compiling Algebra AlgebraAdapters.swift
[23/28] Compiling Algebra Group.swift
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[25/28] Compiling Algebra Accumulate.swift
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[28/28] Compiling Algebra Zero.swift
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[60/95] Compiling DataStructures Zip3Sequence.swift
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[63/95] Compiling DataStructures IntervalRelation.swift
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[119/120] Compiling Math Proximity.swift
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[121/154] Compiling Pitch IntervalOrdinal.swift
[122/154] Compiling Pitch IntervalQuality.swift
[123/155] Compiling Pitch NoteNumberRepresentable.swift
[124/155] Compiling Pitch OrderedInterval.swift
[125/155] Compiling Pitch Dyad.swift
/Users/admin/builds/h8344Zi3/0/finestructure/swiftpackageindex-builder/spi-builder-workspace/.build/checkouts/Music/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/NewType.swift:70:24: 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/NewType.swift:78:24: note: candidate exactly matches
    public static func -= (lhs: inout Self, rhs: Self) {
                       ^
[126/155] Compiling Pitch Frequency.swift
/Users/admin/builds/h8344Zi3/0/finestructure/swiftpackageindex-builder/spi-builder-workspace/.build/checkouts/Music/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/NewType.swift:70:24: 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/NewType.swift:78:24: note: candidate exactly matches
    public static func -= (lhs: inout Self, rhs: Self) {
                       ^
[127/155] Compiling Pitch CompoundIntervalDescriptor.swift
/Users/admin/builds/h8344Zi3/0/finestructure/swiftpackageindex-builder/spi-builder-workspace/.build/checkouts/Music/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/NewType.swift:70:24: 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/NewType.swift:78:24: note: candidate exactly matches
    public static func -= (lhs: inout Self, rhs: Self) {
                       ^
[128/155] Compiling Pitch OrderedIntervalDescriptor.swift
/Users/admin/builds/h8344Zi3/0/finestructure/swiftpackageindex-builder/spi-builder-workspace/.build/checkouts/Music/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/NewType.swift:70:24: 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/NewType.swift:78:24: note: candidate exactly matches
    public static func -= (lhs: inout Self, rhs: Self) {
                       ^
[129/155] Compiling Pitch UnorderedIntervalDescriptor.swift
/Users/admin/builds/h8344Zi3/0/finestructure/swiftpackageindex-builder/spi-builder-workspace/.build/checkouts/Music/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/NewType.swift:70:24: 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/NewType.swift:78:24: note: candidate exactly matches
    public static func -= (lhs: inout Self, rhs: Self) {
                       ^
[130/155] Compiling Pitch NoteNumber.swift
/Users/admin/builds/h8344Zi3/0/finestructure/swiftpackageindex-builder/spi-builder-workspace/.build/checkouts/Music/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/NewType.swift:70:24: 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/NewType.swift:78:24: note: candidate exactly matches
    public static func -= (lhs: inout Self, rhs: Self) {
                       ^
[131/157] Compiling Pitch Pitch.Class.swift
[132/157] Compiling Pitch Pitch.swift
[133/157] Compiling Pitch IntervalDescriptor.swift
[136/157] Compiling Pitch Scale.IntervalPattern.swift
[137/157] Compiling Pitch Scale.swift
[138/157] Compiling Duration Tempo.swift
error: emit-module command failed with exit code 1 (use -v to see invocation)
[139/157] Compiling Pitch Chord.IntervalPattern.swift
[140/157] Compiling Pitch Chord.swift
[141/157] Compiling Pitch ChordDescriptor.swift
[142/157] Emitting module Pitch
/Users/admin/builds/h8344Zi3/0/finestructure/swiftpackageindex-builder/spi-builder-workspace/.build/checkouts/Music/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/NewType.swift:70:24: 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/NewType.swift:78:24: 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/Music/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/NewType.swift:70:24: 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/NewType.swift:78:24: note: candidate exactly matches
    public static func -= (lhs: inout Self, rhs: Self) {
                       ^
[155/157] Emitting module Duration
[156/157] Compiling Pitch TuningSystem.swift
[157/157] Compiling Pitch UnorderedInterval.swift
error: fatalError
warning: 'spi-builder-workspace': dependency 'math' is not used by any target
[0/1] Planning build
Building for debugging...
[1/12] Compiling Pitch NoteNumber.swift
/Users/admin/builds/h8344Zi3/0/finestructure/swiftpackageindex-builder/spi-builder-workspace/.build/checkouts/Music/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/NewType.swift:70:24: 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/NewType.swift:78:24: note: candidate exactly matches
    public static func -= (lhs: inout Self, rhs: Self) {
                       ^
[2/12] Compiling Pitch UnorderedIntervalDescriptor.swift
error: emit-module command failed with exit code 1 (use -v to see invocation)
[3/12] Compiling Pitch CompoundIntervalDescriptor.swift
[4/12] Compiling Pitch Dyad.swift
[5/12] Emitting module Pitch
/Users/admin/builds/h8344Zi3/0/finestructure/swiftpackageindex-builder/spi-builder-workspace/.build/checkouts/Music/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/NewType.swift:70:24: 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/NewType.swift:78:24: 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/Music/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/NewType.swift:70:24: 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/NewType.swift:78:24: note: candidate exactly matches
    public static func -= (lhs: inout Self, rhs: Self) {
                       ^
[6/12] Compiling Pitch OrderedIntervalDescriptor.swift
[7/12] Compiling Pitch Frequency.swift
/Users/admin/builds/h8344Zi3/0/finestructure/swiftpackageindex-builder/spi-builder-workspace/.build/checkouts/Music/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/NewType.swift:70:24: 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/NewType.swift:78:24: note: candidate exactly matches
    public static func -= (lhs: inout Self, rhs: Self) {
                       ^
[8/14] Compiling SpelledRhythm RhythmBeamer.swift
[9/14] Compiling SpelledRhythm SpelledRhythm.swift
[10/14] Compiling SpelledRhythm Rhythm.Spelling.swift
[11/14] Compiling Pitch ChordDescriptor.swift
[12/14] Compiling Pitch Pitch.Class.swift
error: fatalError
[13/14] Emitting module SpelledRhythm
warning: 'spi-builder-workspace': dependency 'math' is not used by any target
BUILD FAILURE 5.9 macosSpm