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

Build Information

Failed to build NotationModel, reference 0.9.0 (a68f1a), with Swift 6.0 for Linux on 31 Oct 2024 20:19:33 UTC.

Build Command

bash -c docker run --pull=always --rm -v "checkouts-4606859-1":/host -w "$PWD" registry.gitlab.com/finestructure/spi-images:basic-6.0-latest swift build --triple x86_64-unknown-linux-gnu -Xswiftc -Xfrontend -Xswiftc -stats-output-dir -Xswiftc -Xfrontend -Xswiftc .stats -Xswiftc -strict-concurrency=complete 2>&1

Build Log

========================================
RunAll
========================================
Builder version: 4.56.0
Interrupt handler set up.
========================================
Checkout
========================================
Clone URL: https://github.com/dn-m/notationmodel.git
Reference: 0.9.0
Initialized empty Git repository in /host/spi-builder-workspace/.git/
hint: Using 'master' as the name for the initial branch. This default branch name
hint: is subject to change. To configure the initial branch name to use in all
hint: of your new repositories, which will suppress this warning, call:
hint:
hint: 	git config --global init.defaultBranch <name>
hint:
hint: Names commonly chosen instead of 'master' are 'main', 'trunk' and
hint: 'development'. The just-created branch can be renamed via this command:
hint:
hint: 	git branch -m <name>
From https://github.com/dn-m/notationmodel
 * tag               0.9.0      -> FETCH_HEAD
HEAD is now at a68f1af Remove usage of CollectionWrapping and RandomAccessCollectionWrapping (#217)
Cloned https://github.com/dn-m/notationmodel.git
Revision (git rev-parse @):
a68f1af89ca15c41736e25f17616a4504838073c
SUCCESS checkout https://github.com/dn-m/notationmodel.git at 0.9.0
========================================
Build
========================================
Selected platform:         linux
Swift version:             6.0
Building package at path:  $PWD
https://github.com/dn-m/notationmodel.git
Running build ...
bash -c docker run --pull=always --rm -v "checkouts-4606859-1":/host -w "$PWD" registry.gitlab.com/finestructure/spi-images:basic-6.0-latest swift build --triple x86_64-unknown-linux-gnu -Xswiftc -Xfrontend -Xswiftc -stats-output-dir -Xswiftc -Xfrontend -Xswiftc .stats -Xswiftc -strict-concurrency=complete 2>&1
basic-6.0-latest: Pulling from finestructure/spi-images
Digest: sha256:47d26c99ca4f1ac0a332c85fd5b13ff4390e72115219984a57a68fe9d1063a05
Status: Image is up to date for registry.gitlab.com/finestructure/spi-images:basic-6.0-latest
Fetching https://github.com/dn-m/Music
Fetching https://github.com/dn-m/Math
Fetching https://github.com/dn-m/Structure
[1/4196] Fetching music
[43/5037] Fetching music, math
[270/10866] Fetching music, math, structure
Fetched https://github.com/dn-m/Math from cache (0.89s)
Fetched https://github.com/dn-m/Structure from cache (0.93s)
Fetched https://github.com/dn-m/Music from cache (0.95s)
Computing version for https://github.com/dn-m/Math
Computed https://github.com/dn-m/Math at 0.8.0 (3.71s)
Computing version for https://github.com/dn-m/Music
Computed https://github.com/dn-m/Music at 0.17.1 (0.83s)
Computing version for https://github.com/dn-m/Structure
Computed https://github.com/dn-m/Structure at 0.25.0 (0.82s)
Fetching https://github.com/dn-m/PerformanceTesting
[1/1525] Fetching performancetesting
Fetched https://github.com/dn-m/PerformanceTesting from cache (0.36s)
Computing version for https://github.com/dn-m/PerformanceTesting
Computed https://github.com/dn-m/PerformanceTesting at 0.4.0 (0.83s)
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/Music
Working copy of https://github.com/dn-m/Music resolved at 0.17.1
Creating working copy for https://github.com/dn-m/PerformanceTesting
Working copy of https://github.com/dn-m/PerformanceTesting resolved at 0.4.0
Creating working copy for https://github.com/dn-m/Structure
Working copy of https://github.com/dn-m/Structure resolved at 0.25.0
warning: 'spi-builder-workspace': dependency 'math' is not used by any target
Building for debugging...
[0/12] Write sources
[11/12] Write swift-version-24593BA9C3E375BF.txt
[13/14] Emitting module Destructure
[14/14] Compiling Destructure Destructure.swift
[16/39] Compiling Algebra MonoidView.swift
[17/39] Compiling Algebra Multiplicative.swift
[18/39] Compiling Algebra MultiplicativeSemigroup.swift
[19/39] Compiling Algebra One.swift
[20/39] Compiling Algebra Invertible.swift
[21/39] Compiling Algebra Monoid.swift
[22/41] Compiling Algebra AdditiveGroup.swift
[23/41] Compiling Algebra AdditiveSemigroup.swift
[24/41] Compiling Algorithms TupleMap.swift
[25/41] Compiling Algorithms Swap.swift
[26/41] Compiling Algorithms Split.swift
[27/42] Compiling Algebra Product.swift
[28/42] Compiling Algebra Semigroup.swift
[29/42] Compiling Algorithms StableSort.swift
[30/42] Compiling Algorithms Ordered.swift
[31/42] Compiling Algorithms Rotate.swift
[32/42] Compiling Algebra AlgebraAdapters.swift
[33/42] Compiling Algebra Group.swift
[34/42] Compiling Algebra Abelian.swift
[35/42] Compiling Algebra Accumulate.swift
[36/42] Compiling Algebra Additive.swift
[37/42] Emitting module Algebra
[38/42] Compiling Algebra Sum.swift
[39/42] Compiling Algebra Zero.swift
[40/42] Emitting module Algorithms
[41/42] Compiling Algorithms Combinatorics.swift
[42/43] Compiling Algorithms Unzip.swift
[45/103] Compiling DataStructures IntervallicFragmentable.swift
[46/103] Compiling DataStructures Measured.swift
[47/103] Compiling DataStructures Totalizable.swift
[48/103] Compiling DataStructures DictionaryProtocol.swift
[49/103] Compiling DataStructures OrderedDictionary.swift
[50/103] Compiling DataStructures SortedDictionary.swift
[51/103] Compiling DataStructures CircularArray.swift
[52/103] Compiling DataStructures LinkedList.swift
[53/103] Compiling DataStructures Matrix.swift
[54/103] Compiling DataStructures Queue.swift
[55/103] Compiling DataStructures SortedArray.swift
[56/103] Compiling DataStructures Stack.swift
[57/103] Compiling DataStructures Zip3Sequence.swift
[58/103] Compiling DataStructures ZipToLongest.swift
[59/103] Compiling DataStructures AVLTree.swift
[60/103] Compiling DataStructures BinaryHeap.swift
[61/103] Compiling DataStructures BinarySearchTree.swift
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[63/103] Compiling DataStructures ReferenceTreeProtocol.swift
[64/103] Compiling DataStructures SingleTypedTree.swift
[65/103] Compiling DataStructures Tree.Zipper.swift
[66/103] Compiling DataStructures Tree.swift
[67/103] Compiling DataStructures CollectionWrapping.swift
[68/103] Compiling DataStructures DoubleWrapping.swift
[69/111] Compiling DataStructures CollectionExtensions.swift
[70/111] Compiling DataStructures Homogeneity.swift
[71/111] Compiling DataStructures RangeProtocol+Algebra.swift
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[75/111] Compiling DataStructures AdjacencyList.swift
[76/111] Compiling DataStructures DirectedGraph.swift
[77/111] Compiling DataStructures Graph.swift
[78/111] Emitting module DataStructures
[79/111] Compiling DataStructures FloatWrapping.swift
[80/111] Compiling DataStructures Identifier.swift
[81/111] Compiling DataStructures IntegerWrapping.swift
[82/111] Compiling DataStructures Metatype.swift
[83/111] Compiling DataStructures NewType.swift
[84/111] Compiling DataStructures RandomAccessCollectionWrapping.swift
[85/111] Compiling DataStructures SequenceWrapping.swift
[86/111] Compiling DataStructures SortedCollectionWrapping.swift
[87/111] Compiling DataStructures DirectedGraphProtocol.swift
[88/111] Compiling DataStructures GraphProtocol.swift
[89/111] Compiling DataStructures UndirectedGraphProtocol.swift
[90/111] Compiling DataStructures UnweightedGraphProtocol.swift
[91/111] Compiling DataStructures WeightedGraphProtocol.swift
[92/111] Compiling DataStructures ReferenceGraph.AdjacencyList.swift
[93/111] Compiling DataStructures ReferenceGraph.Edge.swift
[94/111] Compiling DataStructures ReferenceGraph.EdgeList.swift
[95/111] Compiling DataStructures Either.swift
[96/111] Compiling DataStructures IntervalRelation.swift
[97/111] Compiling DataStructures InvertibleEnum.swift
[98/111] Compiling DataStructures Cross.swift
[99/111] Compiling DataStructures OrderedPair.swift
[100/111] Compiling DataStructures Pair.swift
[101/111] Compiling DataStructures SwappablePair.swift
[102/111] Compiling DataStructures SymmetricPair.swift
[103/111] Compiling DataStructures UnorderedPair.swift
[104/111] Compiling DataStructures ReferenceGraph.Node.swift
[105/111] Compiling DataStructures ReferenceGraph.swift
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[108/111] Compiling DataStructures Bimap.swift
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[110/111] Compiling DataStructures Fragmentable.swift
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[113/135] Compiling PlotModel DefaultVerticalPointModel.swift
[114/136] Compiling PlotModel HorizontalPlotModel.swift
[115/136] Compiling PlotModel PointModel.swift
[116/136] Compiling PlotModel DefaultVerticalPlotModel.Builder.swift
[117/136] Compiling Math Bitwise.swift
[118/136] Compiling Math CollectionExtensions.swift
[119/136] Compiling PlotModel PlotModel.swift
[120/136] Compiling PlotModel VerticalPlotModel.swift
[121/136] Emitting module PlotModel
[122/136] Compiling PlotModel DefaultVerticalPlotModel.swift
[124/137] Compiling Math Power.swift
[125/137] Compiling Math PowerOfTwoSequence.swift
[126/138] Compiling Math Scale.swift
[129/138] Compiling Math Rational.swift
[130/138] Emitting module Math
[131/138] Compiling Math Functions.swift
[132/138] Compiling Math GCDDomain.swift
[133/138] Compiling Math IntegerExtensions.swift
[134/138] Compiling Math LinearRegression.swift
[135/138] Compiling Math DoubleExtensions.swift
[136/138] Compiling Math Fraction.swift
[137/138] Compiling Math Proximity.swift
[138/138] Compiling Math Quadratic.swift
[140/173] Compiling Duration Subdivision.swift
[141/173] Compiling Duration Tempo.Context.swift
[142/174] Compiling Duration Beats.swift
[143/174] Compiling Duration Duration.swift
[144/174] Compiling Duration Meter.swift
[145/174] Compiling Duration AbsenceOrEvent.swift
error: emit-module command failed with exit code 1 (use -v to see invocation)
[146/174] Emitting module Pitch
/host/spi-builder-workspace/.build/checkouts/Music/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:4:17: note: multiple matching functions named '+=' with type '(inout Frequency, Frequency) -> ()'
2 |     static var zero: Self { get }
3 |     static func + (lhs: Self, rhs: Self) -> Self
4 |     static func += (lhs: inout Self, rhs: Self)
  |                 `- note: multiple matching functions named '+=' with type '(inout Frequency, Frequency) -> ()'
5 |     static func - (lhs: Self, rhs: Self) -> Self
6 |     static func -= (lhs: inout Self, rhs: Self)
  |                 `- note: multiple matching functions named '-=' with type '(inout Frequency, Frequency) -> ()'
7 | }
Swift.AdditiveArithmetic:2:24: note: candidate exactly matches
1 | extension AdditiveArithmetic {
2 |     public static func += (lhs: inout Self, rhs: Self)
  |                        `- note: candidate exactly matches
3 |     public static func -= (lhs: inout Self, rhs: Self)
  |                        `- note: candidate exactly matches
4 | }
/host/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 |     }
/host/spi-builder-workspace/.build/checkouts/Music/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:4:17: note: multiple matching functions named '+=' with type '(inout NoteNumber, NoteNumber) -> ()'
2 |     static var zero: Self { get }
3 |     static func + (lhs: Self, rhs: Self) -> Self
4 |     static func += (lhs: inout Self, rhs: Self)
  |                 `- note: multiple matching functions named '+=' with type '(inout NoteNumber, NoteNumber) -> ()'
5 |     static func - (lhs: Self, rhs: Self) -> Self
6 |     static func -= (lhs: inout Self, rhs: Self)
  |                 `- note: multiple matching functions named '-=' with type '(inout NoteNumber, NoteNumber) -> ()'
7 | }
Swift.AdditiveArithmetic:2:24: note: candidate exactly matches
1 | extension AdditiveArithmetic {
2 |     public static func += (lhs: inout Self, rhs: Self)
  |                        `- note: candidate exactly matches
3 |     public static func -= (lhs: inout Self, rhs: Self)
  |                        `- note: candidate exactly matches
4 | }
/host/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 |     }
[149/176] Compiling Duration Meter.Collection.swift
[151/176] Compiling Duration Meter.Context.swift
[152/176] Compiling Duration Meter.Fragment.swift
[153/176] Compiling Duration Meter.Kind.swift
[154/176] Compiling Pitch TuningSystem.swift
[155/176] Compiling Pitch UnorderedInterval.swift
[156/176] Compiling Pitch Scale.IntervalPattern.swift
[157/176] Compiling Pitch Scale.swift
[159/176] Compiling Pitch IntervalOrdinal.swift
[160/176] Compiling Pitch IntervalQuality.swift
[161/176] Compiling Duration DurationTree.swift
[162/176] Compiling Duration ProportionTree.swift
/host/spi-builder-workspace/.build/checkouts/Music/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:4:17: note: multiple matching functions named '+=' with type '(inout NoteNumber, NoteNumber) -> ()'
2 |     static var zero: Self { get }
3 |     static func + (lhs: Self, rhs: Self) -> Self
4 |     static func += (lhs: inout Self, rhs: Self)
  |                 `- note: multiple matching functions named '+=' with type '(inout NoteNumber, NoteNumber) -> ()'
5 |     static func - (lhs: Self, rhs: Self) -> Self
6 |     static func -= (lhs: inout Self, rhs: Self)
  |                 `- note: multiple matching functions named '-=' with type '(inout NoteNumber, NoteNumber) -> ()'
7 | }
Swift.AdditiveArithmetic:2:24: note: candidate exactly matches
1 | extension AdditiveArithmetic {
2 |     public static func += (lhs: inout Self, rhs: Self)
  |                        `- note: candidate exactly matches
3 |     public static func -= (lhs: inout Self, rhs: Self)
  |                        `- note: candidate exactly matches
4 | }
/host/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 |     }
/host/spi-builder-workspace/.build/checkouts/Music/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:4:17: note: multiple matching functions named '+=' with type '(inout NoteNumber, NoteNumber) -> ()'
2 |     static var zero: Self { get }
3 |     static func + (lhs: Self, rhs: Self) -> Self
4 |     static func += (lhs: inout Self, rhs: Self)
  |                 `- note: multiple matching functions named '+=' with type '(inout NoteNumber, NoteNumber) -> ()'
5 |     static func - (lhs: Self, rhs: Self) -> Self
6 |     static func -= (lhs: inout Self, rhs: Self)
  |                 `- note: multiple matching functions named '-=' with type '(inout NoteNumber, NoteNumber) -> ()'
7 | }
Swift.AdditiveArithmetic:2:24: note: candidate exactly matches
1 | extension AdditiveArithmetic {
2 |     public static func += (lhs: inout Self, rhs: Self)
  |                        `- note: candidate exactly matches
3 |     public static func -= (lhs: inout Self, rhs: Self)
  |                        `- note: candidate exactly matches
4 | }
/host/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 |     }
[165/176] Compiling Duration ContinuationOrInstance.swift
/host/spi-builder-workspace/.build/checkouts/Music/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:4:17: note: multiple matching functions named '+=' with type '(inout NoteNumber, NoteNumber) -> ()'
2 |     static var zero: Self { get }
3 |     static func + (lhs: Self, rhs: Self) -> Self
4 |     static func += (lhs: inout Self, rhs: Self)
  |                 `- note: multiple matching functions named '+=' with type '(inout NoteNumber, NoteNumber) -> ()'
5 |     static func - (lhs: Self, rhs: Self) -> Self
6 |     static func -= (lhs: inout Self, rhs: Self)
  |                 `- note: multiple matching functions named '-=' with type '(inout NoteNumber, NoteNumber) -> ()'
7 | }
Swift.AdditiveArithmetic:2:24: note: candidate exactly matches
1 | extension AdditiveArithmetic {
2 |     public static func += (lhs: inout Self, rhs: Self)
  |                        `- note: candidate exactly matches
3 |     public static func -= (lhs: inout Self, rhs: Self)
  |                        `- note: candidate exactly matches
4 | }
/host/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 |     }
/host/spi-builder-workspace/.build/checkouts/Music/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:4:17: note: multiple matching functions named '+=' with type '(inout Frequency, Frequency) -> ()'
2 |     static var zero: Self { get }
3 |     static func + (lhs: Self, rhs: Self) -> Self
4 |     static func += (lhs: inout Self, rhs: Self)
  |                 `- note: multiple matching functions named '+=' with type '(inout Frequency, Frequency) -> ()'
5 |     static func - (lhs: Self, rhs: Self) -> Self
6 |     static func -= (lhs: inout Self, rhs: Self)
  |                 `- note: multiple matching functions named '-=' with type '(inout Frequency, Frequency) -> ()'
7 | }
Swift.AdditiveArithmetic:2:24: note: candidate exactly matches
1 | extension AdditiveArithmetic {
2 |     public static func += (lhs: inout Self, rhs: Self)
  |                        `- note: candidate exactly matches
3 |     public static func -= (lhs: inout Self, rhs: Self)
  |                        `- note: candidate exactly matches
4 | }
/host/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 |     }
/host/spi-builder-workspace/.build/checkouts/Music/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:4:17: note: multiple matching functions named '+=' with type '(inout Frequency, Frequency) -> ()'
2 |     static var zero: Self { get }
3 |     static func + (lhs: Self, rhs: Self) -> Self
4 |     static func += (lhs: inout Self, rhs: Self)
  |                 `- note: multiple matching functions named '+=' with type '(inout Frequency, Frequency) -> ()'
5 |     static func - (lhs: Self, rhs: Self) -> Self
6 |     static func -= (lhs: inout Self, rhs: Self)
  |                 `- note: multiple matching functions named '-=' with type '(inout Frequency, Frequency) -> ()'
7 | }
Swift.AdditiveArithmetic:2:24: note: candidate exactly matches
1 | extension AdditiveArithmetic {
2 |     public static func += (lhs: inout Self, rhs: Self)
  |                        `- note: candidate exactly matches
3 |     public static func -= (lhs: inout Self, rhs: Self)
  |                        `- note: candidate exactly matches
4 | }
/host/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 |     }
/host/spi-builder-workspace/.build/checkouts/Music/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:4:17: note: multiple matching functions named '+=' with type '(inout Frequency, Frequency) -> ()'
2 |     static var zero: Self { get }
3 |     static func + (lhs: Self, rhs: Self) -> Self
4 |     static func += (lhs: inout Self, rhs: Self)
  |                 `- note: multiple matching functions named '+=' with type '(inout Frequency, Frequency) -> ()'
5 |     static func - (lhs: Self, rhs: Self) -> Self
6 |     static func -= (lhs: inout Self, rhs: Self)
  |                 `- note: multiple matching functions named '-=' with type '(inout Frequency, Frequency) -> ()'
7 | }
Swift.AdditiveArithmetic:2:24: note: candidate exactly matches
1 | extension AdditiveArithmetic {
2 |     public static func += (lhs: inout Self, rhs: Self)
  |                        `- note: candidate exactly matches
3 |     public static func -= (lhs: inout Self, rhs: Self)
  |                        `- note: candidate exactly matches
4 | }
/host/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 |     }
[169/176] Compiling Duration Rhythm.swift
[171/176] Emitting module Duration
BUILD FAILURE 6.0 linux