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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

Successful build of MusicXML, reference latest (bd65d6), with Swift 6.0 for Linux on 3 Nov 2024 14:27:35 UTC.

Swift 6 data race errors: 123

Build Command

bash -c docker run --pull=always --rm -v "checkouts-4609320-1":/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

42 |     public static let double = Stem(.double)
/host/spi-builder-workspace/Sources/MusicXML/Complex Types/Stem.swift:41:23: warning: static property 'down' is not concurrency-safe because non-'Sendable' type 'Stem' may have shared mutable state; this is an error in the Swift 6 language mode
11 | /// relative-y that would flip a stem instead of shortening it are ignored. A stem element
12 | /// associated with a rest refers to a stemlet.
13 | public struct Stem {
   |               `- note: consider making struct 'Stem' conform to the 'Sendable' protocol
14 |     // MARK: - Instance Properties
15 |
   :
39 |
40 |     public static let up = Stem(.up)
41 |     public static let down = Stem(.down)
   |                       |- warning: static property 'down' is not concurrency-safe because non-'Sendable' type 'Stem' may have shared mutable state; this is an error in the Swift 6 language mode
   |                       |- note: annotate 'down' with '@MainActor' if property should only be accessed from the main actor
   |                       `- note: disable concurrency-safety checks if accesses are protected by an external synchronization mechanism
42 |     public static let double = Stem(.double)
43 |     public static let none = Stem(.none)
/host/spi-builder-workspace/Sources/MusicXML/Complex Types/Stem.swift:42:23: warning: static property 'double' is not concurrency-safe because non-'Sendable' type 'Stem' may have shared mutable state; this is an error in the Swift 6 language mode
11 | /// relative-y that would flip a stem instead of shortening it are ignored. A stem element
12 | /// associated with a rest refers to a stemlet.
13 | public struct Stem {
   |               `- note: consider making struct 'Stem' conform to the 'Sendable' protocol
14 |     // MARK: - Instance Properties
15 |
   :
40 |     public static let up = Stem(.up)
41 |     public static let down = Stem(.down)
42 |     public static let double = Stem(.double)
   |                       |- warning: static property 'double' is not concurrency-safe because non-'Sendable' type 'Stem' may have shared mutable state; this is an error in the Swift 6 language mode
   |                       |- note: annotate 'double' with '@MainActor' if property should only be accessed from the main actor
   |                       `- note: disable concurrency-safety checks if accesses are protected by an external synchronization mechanism
43 |     public static let none = Stem(.none)
44 | }
/host/spi-builder-workspace/Sources/MusicXML/Complex Types/Stem.swift:43:23: warning: static property 'none' is not concurrency-safe because non-'Sendable' type 'Stem' may have shared mutable state; this is an error in the Swift 6 language mode
11 | /// relative-y that would flip a stem instead of shortening it are ignored. A stem element
12 | /// associated with a rest refers to a stemlet.
13 | public struct Stem {
   |               `- note: consider making struct 'Stem' conform to the 'Sendable' protocol
14 |     // MARK: - Instance Properties
15 |
   :
41 |     public static let down = Stem(.down)
42 |     public static let double = Stem(.double)
43 |     public static let none = Stem(.none)
   |                       |- warning: static property 'none' is not concurrency-safe because non-'Sendable' type 'Stem' may have shared mutable state; this is an error in the Swift 6 language mode
   |                       |- note: annotate 'none' with '@MainActor' if property should only be accessed from the main actor
   |                       `- note: disable concurrency-safety checks if accesses are protected by an external synchronization mechanism
44 | }
45 |
/host/spi-builder-workspace/Sources/MusicXML/Complex Types/Tie.swift:29:23: warning: static property 'start' is not concurrency-safe because non-'Sendable' type 'Tie' may have shared mutable state; this is an error in the Swift 6 language mode
 8 | /// The tie element indicates that a tie begins or ends with this note. The tie element indicates
 9 | /// sound; the tied element indicates notation.
10 | public struct Tie {
   |               `- note: consider making struct 'Tie' conform to the 'Sendable' protocol
11 |     // MARK: - Instance Properties
12 |
   :
27 |     // MARK: Type Properties
28 |
29 |     public static let start = Tie(.start)
   |                       |- warning: static property 'start' is not concurrency-safe because non-'Sendable' type 'Tie' may have shared mutable state; this is an error in the Swift 6 language mode
   |                       |- note: annotate 'start' with '@MainActor' if property should only be accessed from the main actor
   |                       `- note: disable concurrency-safety checks if accesses are protected by an external synchronization mechanism
30 |     public static let stop = Tie(.stop)
31 | }
/host/spi-builder-workspace/Sources/MusicXML/Complex Types/Tie.swift:30:23: warning: static property 'stop' is not concurrency-safe because non-'Sendable' type 'Tie' may have shared mutable state; this is an error in the Swift 6 language mode
 8 | /// The tie element indicates that a tie begins or ends with this note. The tie element indicates
 9 | /// sound; the tied element indicates notation.
10 | public struct Tie {
   |               `- note: consider making struct 'Tie' conform to the 'Sendable' protocol
11 |     // MARK: - Instance Properties
12 |
   :
28 |
29 |     public static let start = Tie(.start)
30 |     public static let stop = Tie(.stop)
   |                       |- warning: static property 'stop' is not concurrency-safe because non-'Sendable' type 'Tie' may have shared mutable state; this is an error in the Swift 6 language mode
   |                       |- note: annotate 'stop' with '@MainActor' if property should only be accessed from the main actor
   |                       `- note: disable concurrency-safety checks if accesses are protected by an external synchronization mechanism
31 | }
32 |
[252/371] Compiling MusicXML AccordionMiddle.swift
[253/371] Compiling MusicXML ArrowDirection.swift
[254/371] Compiling MusicXML ArrowStyle.swift
[255/371] Compiling MusicXML BackwardForward.swift
[256/371] Compiling MusicXML BarStyle.swift
[257/371] Compiling MusicXML BeamLevel.swift
[258/371] Compiling MusicXML BeamValue.swift
[259/371] Compiling MusicXML BeaterValue.swift
[260/371] Compiling MusicXML BreathMarkValue.swift
[261/371] Compiling MusicXML CSSFontSize.swift
[262/371] Compiling MusicXML CancelLocation.swift
[263/371] Compiling MusicXML CircularArrow.swift
[264/371] Compiling MusicXML ClefSign.swift
[265/371] Compiling MusicXML Color.swift
[266/371] Compiling MusicXML CommaSeparatedText.swift
[267/371] Compiling MusicXML DegreeSymbolValue.swift
[268/371] Compiling MusicXML DegreeTypeValue.swift
[269/371] Compiling MusicXML DistanceType.swift
[270/371] Compiling MusicXML Divisions.swift
[271/371] Compiling MusicXML Effect.swift
[272/371] Compiling MusicXML EnclosureShape.swift
[273/371] Compiling MusicXML EndingNumber.swift
[274/371] Compiling MusicXML Fan.swift
[275/371] Compiling MusicXML FermataShape.swift
[276/371] Compiling MusicXML Mute.swift
[277/371] Compiling MusicXML NonNegativeDecimal.swift
[278/371] Compiling MusicXML NoteSizeType.swift
[279/371] Compiling MusicXML NoteTypeValue.swift
[280/371] Compiling MusicXML NoteheadValue.swift
[281/371] Compiling MusicXML NumberOrNormal.swift
[282/371] Compiling MusicXML OnOff.swift
[283/371] Compiling MusicXML OverUnder.swift
[284/371] Compiling MusicXML Pitched.swift
[285/371] Compiling MusicXML PrincipleVoiceSymbol.swift
[286/371] Compiling MusicXML RightLeftMiddle.swift
[287/371] Compiling MusicXML SemiPitched.swift
[288/371] Compiling MusicXML ShowFrets.swift
[289/371] Compiling MusicXML ShowTuplet.swift
[290/371] Compiling MusicXML StaffType.swift
[291/371] Compiling MusicXML StartNote.swift
[292/371] Compiling MusicXML StartStop.swift
[293/371] Compiling MusicXML StartStopChangeContinue.swift
[294/371] Compiling MusicXML StartStopContinue.swift
[295/371] Compiling MusicXML StartStopDiscontinue.swift
[296/371] Compiling MusicXML StartStopSingle.swift
[297/371] Compiling MusicXML StemValue.swift
[298/371] Compiling MusicXML Step.swift
[299/371] Compiling MusicXML StickLocation.swift
[300/371] Compiling MusicXML StickMaterial.swift
[301/371] Compiling MusicXML StickType.swift
[302/371] Compiling MusicXML Syllabic.swift
[303/371] Compiling MusicXML SymbolSize.swift
[304/371] Compiling MusicXML Tenths.swift
[305/371] Compiling MusicXML TextDirection.swift
[306/371] Compiling MusicXML TimeOnly.swift
[307/371] Compiling MusicXML TimeRelation.swift
[308/371] Compiling MusicXML TimeSeparator.swift
[309/371] Compiling MusicXML TimeSymbol.swift
[310/371] Compiling MusicXML TipDirection.swift
[311/371] Compiling MusicXML TopBottom.swift
[312/371] Compiling MusicXML TrillStep.swift
[313/371] Compiling MusicXML TwoNoteTurn.swift
[314/371] Compiling MusicXML UpDown.swift
[315/371] Compiling MusicXML UpDownStopContinue.swift
[316/371] Compiling MusicXML UprightInverted.swift
[317/371] Compiling MusicXML VAlign.swift
[318/371] Compiling MusicXML VAlignImage.swift
[319/371] Compiling MusicXML WedgeType.swift
[320/371] Compiling MusicXML Winged.swift
[321/371] Compiling MusicXML Wood.swift
[322/371] Compiling MusicXML YesNo.swift
[323/371] Compiling MusicXML YesNoNumber.swift
[324/371] Compiling MusicXML TimeModification.swift
[325/371] Compiling MusicXML Timewise.Measure.swift
[326/371] Compiling MusicXML Timewise.Part.swift
[327/371] Compiling MusicXML Timewise.swift
[328/371] Compiling MusicXML Transpose.swift
[329/371] Compiling MusicXML Tremolo.swift
[330/371] Compiling MusicXML TrillSound.swift
[331/371] Compiling MusicXML Tuplet.swift
[332/371] Compiling MusicXML TupletDot.swift
[333/371] Compiling MusicXML TupletNumber.swift
[334/371] Compiling MusicXML TupletPortion.swift
[335/371] Compiling MusicXML TupletType.swift
[336/371] Compiling MusicXML Unpitched.swift
[337/371] Compiling MusicXML VirtualInstrument.swift
[338/371] Compiling MusicXML WavyLine.swift
[339/371] Compiling MusicXML Wedge.swift
[340/371] Compiling MusicXML Work.swift
[341/371] Compiling MusicXML Decoding.swift
[342/371] Compiling MusicXML AttributeGroup.swift
[343/371] Compiling MusicXML Decoder.swift
[344/371] Compiling MusicXML Empty.swift
[345/371] Compiling MusicXML XMLAttributeGroupCodingKey.swift
[346/371] Compiling MusicXML AboveBelow.swift
[347/371] Compiling MusicXML AccidentalValue.swift
[348/371] Compiling MusicXML Slide.swift
/host/spi-builder-workspace/Sources/MusicXML/Complex Types/Stem.swift:40:23: warning: static property 'up' is not concurrency-safe because non-'Sendable' type 'Stem' may have shared mutable state; this is an error in the Swift 6 language mode
11 | /// relative-y that would flip a stem instead of shortening it are ignored. A stem element
12 | /// associated with a rest refers to a stemlet.
13 | public struct Stem {
   |               `- note: consider making struct 'Stem' conform to the 'Sendable' protocol
14 |     // MARK: - Instance Properties
15 |
   :
38 |     // MARK: Type Properties
39 |
40 |     public static let up = Stem(.up)
   |                       |- warning: static property 'up' is not concurrency-safe because non-'Sendable' type 'Stem' may have shared mutable state; this is an error in the Swift 6 language mode
   |                       |- note: annotate 'up' with '@MainActor' if property should only be accessed from the main actor
   |                       `- note: disable concurrency-safety checks if accesses are protected by an external synchronization mechanism
41 |     public static let down = Stem(.down)
42 |     public static let double = Stem(.double)
/host/spi-builder-workspace/Sources/MusicXML/Complex Types/Stem.swift:41:23: warning: static property 'down' is not concurrency-safe because non-'Sendable' type 'Stem' may have shared mutable state; this is an error in the Swift 6 language mode
11 | /// relative-y that would flip a stem instead of shortening it are ignored. A stem element
12 | /// associated with a rest refers to a stemlet.
13 | public struct Stem {
   |               `- note: consider making struct 'Stem' conform to the 'Sendable' protocol
14 |     // MARK: - Instance Properties
15 |
   :
39 |
40 |     public static let up = Stem(.up)
41 |     public static let down = Stem(.down)
   |                       |- warning: static property 'down' is not concurrency-safe because non-'Sendable' type 'Stem' may have shared mutable state; this is an error in the Swift 6 language mode
   |                       |- note: annotate 'down' with '@MainActor' if property should only be accessed from the main actor
   |                       `- note: disable concurrency-safety checks if accesses are protected by an external synchronization mechanism
42 |     public static let double = Stem(.double)
43 |     public static let none = Stem(.none)
/host/spi-builder-workspace/Sources/MusicXML/Complex Types/Stem.swift:42:23: warning: static property 'double' is not concurrency-safe because non-'Sendable' type 'Stem' may have shared mutable state; this is an error in the Swift 6 language mode
11 | /// relative-y that would flip a stem instead of shortening it are ignored. A stem element
12 | /// associated with a rest refers to a stemlet.
13 | public struct Stem {
   |               `- note: consider making struct 'Stem' conform to the 'Sendable' protocol
14 |     // MARK: - Instance Properties
15 |
   :
40 |     public static let up = Stem(.up)
41 |     public static let down = Stem(.down)
42 |     public static let double = Stem(.double)
   |                       |- warning: static property 'double' is not concurrency-safe because non-'Sendable' type 'Stem' may have shared mutable state; this is an error in the Swift 6 language mode
   |                       |- note: annotate 'double' with '@MainActor' if property should only be accessed from the main actor
   |                       `- note: disable concurrency-safety checks if accesses are protected by an external synchronization mechanism
43 |     public static let none = Stem(.none)
44 | }
/host/spi-builder-workspace/Sources/MusicXML/Complex Types/Stem.swift:43:23: warning: static property 'none' is not concurrency-safe because non-'Sendable' type 'Stem' may have shared mutable state; this is an error in the Swift 6 language mode
11 | /// relative-y that would flip a stem instead of shortening it are ignored. A stem element
12 | /// associated with a rest refers to a stemlet.
13 | public struct Stem {
   |               `- note: consider making struct 'Stem' conform to the 'Sendable' protocol
14 |     // MARK: - Instance Properties
15 |
   :
41 |     public static let down = Stem(.down)
42 |     public static let double = Stem(.double)
43 |     public static let none = Stem(.none)
   |                       |- warning: static property 'none' is not concurrency-safe because non-'Sendable' type 'Stem' may have shared mutable state; this is an error in the Swift 6 language mode
   |                       |- note: annotate 'none' with '@MainActor' if property should only be accessed from the main actor
   |                       `- note: disable concurrency-safety checks if accesses are protected by an external synchronization mechanism
44 | }
45 |
/host/spi-builder-workspace/Sources/MusicXML/Complex Types/Tie.swift:29:23: warning: static property 'start' is not concurrency-safe because non-'Sendable' type 'Tie' may have shared mutable state; this is an error in the Swift 6 language mode
 8 | /// The tie element indicates that a tie begins or ends with this note. The tie element indicates
 9 | /// sound; the tied element indicates notation.
10 | public struct Tie {
   |               `- note: consider making struct 'Tie' conform to the 'Sendable' protocol
11 |     // MARK: - Instance Properties
12 |
   :
27 |     // MARK: Type Properties
28 |
29 |     public static let start = Tie(.start)
   |                       |- warning: static property 'start' is not concurrency-safe because non-'Sendable' type 'Tie' may have shared mutable state; this is an error in the Swift 6 language mode
   |                       |- note: annotate 'start' with '@MainActor' if property should only be accessed from the main actor
   |                       `- note: disable concurrency-safety checks if accesses are protected by an external synchronization mechanism
30 |     public static let stop = Tie(.stop)
31 | }
/host/spi-builder-workspace/Sources/MusicXML/Complex Types/Tie.swift:30:23: warning: static property 'stop' is not concurrency-safe because non-'Sendable' type 'Tie' may have shared mutable state; this is an error in the Swift 6 language mode
 8 | /// The tie element indicates that a tie begins or ends with this note. The tie element indicates
 9 | /// sound; the tied element indicates notation.
10 | public struct Tie {
   |               `- note: consider making struct 'Tie' conform to the 'Sendable' protocol
11 |     // MARK: - Instance Properties
12 |
   :
28 |
29 |     public static let start = Tie(.start)
30 |     public static let stop = Tie(.stop)
   |                       |- warning: static property 'stop' is not concurrency-safe because non-'Sendable' type 'Tie' may have shared mutable state; this is an error in the Swift 6 language mode
   |                       |- note: annotate 'stop' with '@MainActor' if property should only be accessed from the main actor
   |                       `- note: disable concurrency-safety checks if accesses are protected by an external synchronization mechanism
31 | }
32 |
[349/371] Compiling MusicXML Slur.swift
/host/spi-builder-workspace/Sources/MusicXML/Complex Types/Stem.swift:40:23: warning: static property 'up' is not concurrency-safe because non-'Sendable' type 'Stem' may have shared mutable state; this is an error in the Swift 6 language mode
11 | /// relative-y that would flip a stem instead of shortening it are ignored. A stem element
12 | /// associated with a rest refers to a stemlet.
13 | public struct Stem {
   |               `- note: consider making struct 'Stem' conform to the 'Sendable' protocol
14 |     // MARK: - Instance Properties
15 |
   :
38 |     // MARK: Type Properties
39 |
40 |     public static let up = Stem(.up)
   |                       |- warning: static property 'up' is not concurrency-safe because non-'Sendable' type 'Stem' may have shared mutable state; this is an error in the Swift 6 language mode
   |                       |- note: annotate 'up' with '@MainActor' if property should only be accessed from the main actor
   |                       `- note: disable concurrency-safety checks if accesses are protected by an external synchronization mechanism
41 |     public static let down = Stem(.down)
42 |     public static let double = Stem(.double)
/host/spi-builder-workspace/Sources/MusicXML/Complex Types/Stem.swift:41:23: warning: static property 'down' is not concurrency-safe because non-'Sendable' type 'Stem' may have shared mutable state; this is an error in the Swift 6 language mode
11 | /// relative-y that would flip a stem instead of shortening it are ignored. A stem element
12 | /// associated with a rest refers to a stemlet.
13 | public struct Stem {
   |               `- note: consider making struct 'Stem' conform to the 'Sendable' protocol
14 |     // MARK: - Instance Properties
15 |
   :
39 |
40 |     public static let up = Stem(.up)
41 |     public static let down = Stem(.down)
   |                       |- warning: static property 'down' is not concurrency-safe because non-'Sendable' type 'Stem' may have shared mutable state; this is an error in the Swift 6 language mode
   |                       |- note: annotate 'down' with '@MainActor' if property should only be accessed from the main actor
   |                       `- note: disable concurrency-safety checks if accesses are protected by an external synchronization mechanism
42 |     public static let double = Stem(.double)
43 |     public static let none = Stem(.none)
/host/spi-builder-workspace/Sources/MusicXML/Complex Types/Stem.swift:42:23: warning: static property 'double' is not concurrency-safe because non-'Sendable' type 'Stem' may have shared mutable state; this is an error in the Swift 6 language mode
11 | /// relative-y that would flip a stem instead of shortening it are ignored. A stem element
12 | /// associated with a rest refers to a stemlet.
13 | public struct Stem {
   |               `- note: consider making struct 'Stem' conform to the 'Sendable' protocol
14 |     // MARK: - Instance Properties
15 |
   :
40 |     public static let up = Stem(.up)
41 |     public static let down = Stem(.down)
42 |     public static let double = Stem(.double)
   |                       |- warning: static property 'double' is not concurrency-safe because non-'Sendable' type 'Stem' may have shared mutable state; this is an error in the Swift 6 language mode
   |                       |- note: annotate 'double' with '@MainActor' if property should only be accessed from the main actor
   |                       `- note: disable concurrency-safety checks if accesses are protected by an external synchronization mechanism
43 |     public static let none = Stem(.none)
44 | }
/host/spi-builder-workspace/Sources/MusicXML/Complex Types/Stem.swift:43:23: warning: static property 'none' is not concurrency-safe because non-'Sendable' type 'Stem' may have shared mutable state; this is an error in the Swift 6 language mode
11 | /// relative-y that would flip a stem instead of shortening it are ignored. A stem element
12 | /// associated with a rest refers to a stemlet.
13 | public struct Stem {
   |               `- note: consider making struct 'Stem' conform to the 'Sendable' protocol
14 |     // MARK: - Instance Properties
15 |
   :
41 |     public static let down = Stem(.down)
42 |     public static let double = Stem(.double)
43 |     public static let none = Stem(.none)
   |                       |- warning: static property 'none' is not concurrency-safe because non-'Sendable' type 'Stem' may have shared mutable state; this is an error in the Swift 6 language mode
   |                       |- note: annotate 'none' with '@MainActor' if property should only be accessed from the main actor
   |                       `- note: disable concurrency-safety checks if accesses are protected by an external synchronization mechanism
44 | }
45 |
/host/spi-builder-workspace/Sources/MusicXML/Complex Types/Tie.swift:29:23: warning: static property 'start' is not concurrency-safe because non-'Sendable' type 'Tie' may have shared mutable state; this is an error in the Swift 6 language mode
 8 | /// The tie element indicates that a tie begins or ends with this note. The tie element indicates
 9 | /// sound; the tied element indicates notation.
10 | public struct Tie {
   |               `- note: consider making struct 'Tie' conform to the 'Sendable' protocol
11 |     // MARK: - Instance Properties
12 |
   :
27 |     // MARK: Type Properties
28 |
29 |     public static let start = Tie(.start)
   |                       |- warning: static property 'start' is not concurrency-safe because non-'Sendable' type 'Tie' may have shared mutable state; this is an error in the Swift 6 language mode
   |                       |- note: annotate 'start' with '@MainActor' if property should only be accessed from the main actor
   |                       `- note: disable concurrency-safety checks if accesses are protected by an external synchronization mechanism
30 |     public static let stop = Tie(.stop)
31 | }
/host/spi-builder-workspace/Sources/MusicXML/Complex Types/Tie.swift:30:23: warning: static property 'stop' is not concurrency-safe because non-'Sendable' type 'Tie' may have shared mutable state; this is an error in the Swift 6 language mode
 8 | /// The tie element indicates that a tie begins or ends with this note. The tie element indicates
 9 | /// sound; the tied element indicates notation.
10 | public struct Tie {
   |               `- note: consider making struct 'Tie' conform to the 'Sendable' protocol
11 |     // MARK: - Instance Properties
12 |
   :
28 |
29 |     public static let start = Tie(.start)
30 |     public static let stop = Tie(.stop)
   |                       |- warning: static property 'stop' is not concurrency-safe because non-'Sendable' type 'Tie' may have shared mutable state; this is an error in the Swift 6 language mode
   |                       |- note: annotate 'stop' with '@MainActor' if property should only be accessed from the main actor
   |                       `- note: disable concurrency-safety checks if accesses are protected by an external synchronization mechanism
31 | }
32 |
[350/371] Compiling MusicXML Sound.swift
/host/spi-builder-workspace/Sources/MusicXML/Complex Types/Stem.swift:40:23: warning: static property 'up' is not concurrency-safe because non-'Sendable' type 'Stem' may have shared mutable state; this is an error in the Swift 6 language mode
11 | /// relative-y that would flip a stem instead of shortening it are ignored. A stem element
12 | /// associated with a rest refers to a stemlet.
13 | public struct Stem {
   |               `- note: consider making struct 'Stem' conform to the 'Sendable' protocol
14 |     // MARK: - Instance Properties
15 |
   :
38 |     // MARK: Type Properties
39 |
40 |     public static let up = Stem(.up)
   |                       |- warning: static property 'up' is not concurrency-safe because non-'Sendable' type 'Stem' may have shared mutable state; this is an error in the Swift 6 language mode
   |                       |- note: annotate 'up' with '@MainActor' if property should only be accessed from the main actor
   |                       `- note: disable concurrency-safety checks if accesses are protected by an external synchronization mechanism
41 |     public static let down = Stem(.down)
42 |     public static let double = Stem(.double)
/host/spi-builder-workspace/Sources/MusicXML/Complex Types/Stem.swift:41:23: warning: static property 'down' is not concurrency-safe because non-'Sendable' type 'Stem' may have shared mutable state; this is an error in the Swift 6 language mode
11 | /// relative-y that would flip a stem instead of shortening it are ignored. A stem element
12 | /// associated with a rest refers to a stemlet.
13 | public struct Stem {
   |               `- note: consider making struct 'Stem' conform to the 'Sendable' protocol
14 |     // MARK: - Instance Properties
15 |
   :
39 |
40 |     public static let up = Stem(.up)
41 |     public static let down = Stem(.down)
   |                       |- warning: static property 'down' is not concurrency-safe because non-'Sendable' type 'Stem' may have shared mutable state; this is an error in the Swift 6 language mode
   |                       |- note: annotate 'down' with '@MainActor' if property should only be accessed from the main actor
   |                       `- note: disable concurrency-safety checks if accesses are protected by an external synchronization mechanism
42 |     public static let double = Stem(.double)
43 |     public static let none = Stem(.none)
/host/spi-builder-workspace/Sources/MusicXML/Complex Types/Stem.swift:42:23: warning: static property 'double' is not concurrency-safe because non-'Sendable' type 'Stem' may have shared mutable state; this is an error in the Swift 6 language mode
11 | /// relative-y that would flip a stem instead of shortening it are ignored. A stem element
12 | /// associated with a rest refers to a stemlet.
13 | public struct Stem {
   |               `- note: consider making struct 'Stem' conform to the 'Sendable' protocol
14 |     // MARK: - Instance Properties
15 |
   :
40 |     public static let up = Stem(.up)
41 |     public static let down = Stem(.down)
42 |     public static let double = Stem(.double)
   |                       |- warning: static property 'double' is not concurrency-safe because non-'Sendable' type 'Stem' may have shared mutable state; this is an error in the Swift 6 language mode
   |                       |- note: annotate 'double' with '@MainActor' if property should only be accessed from the main actor
   |                       `- note: disable concurrency-safety checks if accesses are protected by an external synchronization mechanism
43 |     public static let none = Stem(.none)
44 | }
/host/spi-builder-workspace/Sources/MusicXML/Complex Types/Stem.swift:43:23: warning: static property 'none' is not concurrency-safe because non-'Sendable' type 'Stem' may have shared mutable state; this is an error in the Swift 6 language mode
11 | /// relative-y that would flip a stem instead of shortening it are ignored. A stem element
12 | /// associated with a rest refers to a stemlet.
13 | public struct Stem {
   |               `- note: consider making struct 'Stem' conform to the 'Sendable' protocol
14 |     // MARK: - Instance Properties
15 |
   :
41 |     public static let down = Stem(.down)
42 |     public static let double = Stem(.double)
43 |     public static let none = Stem(.none)
   |                       |- warning: static property 'none' is not concurrency-safe because non-'Sendable' type 'Stem' may have shared mutable state; this is an error in the Swift 6 language mode
   |                       |- note: annotate 'none' with '@MainActor' if property should only be accessed from the main actor
   |                       `- note: disable concurrency-safety checks if accesses are protected by an external synchronization mechanism
44 | }
45 |
/host/spi-builder-workspace/Sources/MusicXML/Complex Types/Tie.swift:29:23: warning: static property 'start' is not concurrency-safe because non-'Sendable' type 'Tie' may have shared mutable state; this is an error in the Swift 6 language mode
 8 | /// The tie element indicates that a tie begins or ends with this note. The tie element indicates
 9 | /// sound; the tied element indicates notation.
10 | public struct Tie {
   |               `- note: consider making struct 'Tie' conform to the 'Sendable' protocol
11 |     // MARK: - Instance Properties
12 |
   :
27 |     // MARK: Type Properties
28 |
29 |     public static let start = Tie(.start)
   |                       |- warning: static property 'start' is not concurrency-safe because non-'Sendable' type 'Tie' may have shared mutable state; this is an error in the Swift 6 language mode
   |                       |- note: annotate 'start' with '@MainActor' if property should only be accessed from the main actor
   |                       `- note: disable concurrency-safety checks if accesses are protected by an external synchronization mechanism
30 |     public static let stop = Tie(.stop)
31 | }
/host/spi-builder-workspace/Sources/MusicXML/Complex Types/Tie.swift:30:23: warning: static property 'stop' is not concurrency-safe because non-'Sendable' type 'Tie' may have shared mutable state; this is an error in the Swift 6 language mode
 8 | /// The tie element indicates that a tie begins or ends with this note. The tie element indicates
 9 | /// sound; the tied element indicates notation.
10 | public struct Tie {
   |               `- note: consider making struct 'Tie' conform to the 'Sendable' protocol
11 |     // MARK: - Instance Properties
12 |
   :
28 |
29 |     public static let start = Tie(.start)
30 |     public static let stop = Tie(.stop)
   |                       |- warning: static property 'stop' is not concurrency-safe because non-'Sendable' type 'Tie' may have shared mutable state; this is an error in the Swift 6 language mode
   |                       |- note: annotate 'stop' with '@MainActor' if property should only be accessed from the main actor
   |                       `- note: disable concurrency-safety checks if accesses are protected by an external synchronization mechanism
31 | }
32 |
[351/371] Compiling MusicXML StaffDetails.swift
/host/spi-builder-workspace/Sources/MusicXML/Complex Types/Stem.swift:40:23: warning: static property 'up' is not concurrency-safe because non-'Sendable' type 'Stem' may have shared mutable state; this is an error in the Swift 6 language mode
11 | /// relative-y that would flip a stem instead of shortening it are ignored. A stem element
12 | /// associated with a rest refers to a stemlet.
13 | public struct Stem {
   |               `- note: consider making struct 'Stem' conform to the 'Sendable' protocol
14 |     // MARK: - Instance Properties
15 |
   :
38 |     // MARK: Type Properties
39 |
40 |     public static let up = Stem(.up)
   |                       |- warning: static property 'up' is not concurrency-safe because non-'Sendable' type 'Stem' may have shared mutable state; this is an error in the Swift 6 language mode
   |                       |- note: annotate 'up' with '@MainActor' if property should only be accessed from the main actor
   |                       `- note: disable concurrency-safety checks if accesses are protected by an external synchronization mechanism
41 |     public static let down = Stem(.down)
42 |     public static let double = Stem(.double)
/host/spi-builder-workspace/Sources/MusicXML/Complex Types/Stem.swift:41:23: warning: static property 'down' is not concurrency-safe because non-'Sendable' type 'Stem' may have shared mutable state; this is an error in the Swift 6 language mode
11 | /// relative-y that would flip a stem instead of shortening it are ignored. A stem element
12 | /// associated with a rest refers to a stemlet.
13 | public struct Stem {
   |               `- note: consider making struct 'Stem' conform to the 'Sendable' protocol
14 |     // MARK: - Instance Properties
15 |
   :
39 |
40 |     public static let up = Stem(.up)
41 |     public static let down = Stem(.down)
   |                       |- warning: static property 'down' is not concurrency-safe because non-'Sendable' type 'Stem' may have shared mutable state; this is an error in the Swift 6 language mode
   |                       |- note: annotate 'down' with '@MainActor' if property should only be accessed from the main actor
   |                       `- note: disable concurrency-safety checks if accesses are protected by an external synchronization mechanism
42 |     public static let double = Stem(.double)
43 |     public static let none = Stem(.none)
/host/spi-builder-workspace/Sources/MusicXML/Complex Types/Stem.swift:42:23: warning: static property 'double' is not concurrency-safe because non-'Sendable' type 'Stem' may have shared mutable state; this is an error in the Swift 6 language mode
11 | /// relative-y that would flip a stem instead of shortening it are ignored. A stem element
12 | /// associated with a rest refers to a stemlet.
13 | public struct Stem {
   |               `- note: consider making struct 'Stem' conform to the 'Sendable' protocol
14 |     // MARK: - Instance Properties
15 |
   :
40 |     public static let up = Stem(.up)
41 |     public static let down = Stem(.down)
42 |     public static let double = Stem(.double)
   |                       |- warning: static property 'double' is not concurrency-safe because non-'Sendable' type 'Stem' may have shared mutable state; this is an error in the Swift 6 language mode
   |                       |- note: annotate 'double' with '@MainActor' if property should only be accessed from the main actor
   |                       `- note: disable concurrency-safety checks if accesses are protected by an external synchronization mechanism
43 |     public static let none = Stem(.none)
44 | }
/host/spi-builder-workspace/Sources/MusicXML/Complex Types/Stem.swift:43:23: warning: static property 'none' is not concurrency-safe because non-'Sendable' type 'Stem' may have shared mutable state; this is an error in the Swift 6 language mode
11 | /// relative-y that would flip a stem instead of shortening it are ignored. A stem element
12 | /// associated with a rest refers to a stemlet.
13 | public struct Stem {
   |               `- note: consider making struct 'Stem' conform to the 'Sendable' protocol
14 |     // MARK: - Instance Properties
15 |
   :
41 |     public static let down = Stem(.down)
42 |     public static let double = Stem(.double)
43 |     public static let none = Stem(.none)
   |                       |- warning: static property 'none' is not concurrency-safe because non-'Sendable' type 'Stem' may have shared mutable state; this is an error in the Swift 6 language mode
   |                       |- note: annotate 'none' with '@MainActor' if property should only be accessed from the main actor
   |                       `- note: disable concurrency-safety checks if accesses are protected by an external synchronization mechanism
44 | }
45 |
/host/spi-builder-workspace/Sources/MusicXML/Complex Types/Tie.swift:29:23: warning: static property 'start' is not concurrency-safe because non-'Sendable' type 'Tie' may have shared mutable state; this is an error in the Swift 6 language mode
 8 | /// The tie element indicates that a tie begins or ends with this note. The tie element indicates
 9 | /// sound; the tied element indicates notation.
10 | public struct Tie {
   |               `- note: consider making struct 'Tie' conform to the 'Sendable' protocol
11 |     // MARK: - Instance Properties
12 |
   :
27 |     // MARK: Type Properties
28 |
29 |     public static let start = Tie(.start)
   |                       |- warning: static property 'start' is not concurrency-safe because non-'Sendable' type 'Tie' may have shared mutable state; this is an error in the Swift 6 language mode
   |                       |- note: annotate 'start' with '@MainActor' if property should only be accessed from the main actor
   |                       `- note: disable concurrency-safety checks if accesses are protected by an external synchronization mechanism
30 |     public static let stop = Tie(.stop)
31 | }
/host/spi-builder-workspace/Sources/MusicXML/Complex Types/Tie.swift:30:23: warning: static property 'stop' is not concurrency-safe because non-'Sendable' type 'Tie' may have shared mutable state; this is an error in the Swift 6 language mode
 8 | /// The tie element indicates that a tie begins or ends with this note. The tie element indicates
 9 | /// sound; the tied element indicates notation.
10 | public struct Tie {
   |               `- note: consider making struct 'Tie' conform to the 'Sendable' protocol
11 |     // MARK: - Instance Properties
12 |
   :
28 |
29 |     public static let start = Tie(.start)
30 |     public static let stop = Tie(.stop)
   |                       |- warning: static property 'stop' is not concurrency-safe because non-'Sendable' type 'Tie' may have shared mutable state; this is an error in the Swift 6 language mode
   |                       |- note: annotate 'stop' with '@MainActor' if property should only be accessed from the main actor
   |                       `- note: disable concurrency-safety checks if accesses are protected by an external synchronization mechanism
31 | }
32 |
[352/371] Compiling MusicXML StaffLayout.swift
/host/spi-builder-workspace/Sources/MusicXML/Complex Types/Stem.swift:40:23: warning: static property 'up' is not concurrency-safe because non-'Sendable' type 'Stem' may have shared mutable state; this is an error in the Swift 6 language mode
11 | /// relative-y that would flip a stem instead of shortening it are ignored. A stem element
12 | /// associated with a rest refers to a stemlet.
13 | public struct Stem {
   |               `- note: consider making struct 'Stem' conform to the 'Sendable' protocol
14 |     // MARK: - Instance Properties
15 |
   :
38 |     // MARK: Type Properties
39 |
40 |     public static let up = Stem(.up)
   |                       |- warning: static property 'up' is not concurrency-safe because non-'Sendable' type 'Stem' may have shared mutable state; this is an error in the Swift 6 language mode
   |                       |- note: annotate 'up' with '@MainActor' if property should only be accessed from the main actor
   |                       `- note: disable concurrency-safety checks if accesses are protected by an external synchronization mechanism
41 |     public static let down = Stem(.down)
42 |     public static let double = Stem(.double)
/host/spi-builder-workspace/Sources/MusicXML/Complex Types/Stem.swift:41:23: warning: static property 'down' is not concurrency-safe because non-'Sendable' type 'Stem' may have shared mutable state; this is an error in the Swift 6 language mode
11 | /// relative-y that would flip a stem instead of shortening it are ignored. A stem element
12 | /// associated with a rest refers to a stemlet.
13 | public struct Stem {
   |               `- note: consider making struct 'Stem' conform to the 'Sendable' protocol
14 |     // MARK: - Instance Properties
15 |
   :
39 |
40 |     public static let up = Stem(.up)
41 |     public static let down = Stem(.down)
   |                       |- warning: static property 'down' is not concurrency-safe because non-'Sendable' type 'Stem' may have shared mutable state; this is an error in the Swift 6 language mode
   |                       |- note: annotate 'down' with '@MainActor' if property should only be accessed from the main actor
   |                       `- note: disable concurrency-safety checks if accesses are protected by an external synchronization mechanism
42 |     public static let double = Stem(.double)
43 |     public static let none = Stem(.none)
/host/spi-builder-workspace/Sources/MusicXML/Complex Types/Stem.swift:42:23: warning: static property 'double' is not concurrency-safe because non-'Sendable' type 'Stem' may have shared mutable state; this is an error in the Swift 6 language mode
11 | /// relative-y that would flip a stem instead of shortening it are ignored. A stem element
12 | /// associated with a rest refers to a stemlet.
13 | public struct Stem {
   |               `- note: consider making struct 'Stem' conform to the 'Sendable' protocol
14 |     // MARK: - Instance Properties
15 |
   :
40 |     public static let up = Stem(.up)
41 |     public static let down = Stem(.down)
42 |     public static let double = Stem(.double)
   |                       |- warning: static property 'double' is not concurrency-safe because non-'Sendable' type 'Stem' may have shared mutable state; this is an error in the Swift 6 language mode
   |                       |- note: annotate 'double' with '@MainActor' if property should only be accessed from the main actor
   |                       `- note: disable concurrency-safety checks if accesses are protected by an external synchronization mechanism
43 |     public static let none = Stem(.none)
44 | }
/host/spi-builder-workspace/Sources/MusicXML/Complex Types/Stem.swift:43:23: warning: static property 'none' is not concurrency-safe because non-'Sendable' type 'Stem' may have shared mutable state; this is an error in the Swift 6 language mode
11 | /// relative-y that would flip a stem instead of shortening it are ignored. A stem element
12 | /// associated with a rest refers to a stemlet.
13 | public struct Stem {
   |               `- note: consider making struct 'Stem' conform to the 'Sendable' protocol
14 |     // MARK: - Instance Properties
15 |
   :
41 |     public static let down = Stem(.down)
42 |     public static let double = Stem(.double)
43 |     public static let none = Stem(.none)
   |                       |- warning: static property 'none' is not concurrency-safe because non-'Sendable' type 'Stem' may have shared mutable state; this is an error in the Swift 6 language mode
   |                       |- note: annotate 'none' with '@MainActor' if property should only be accessed from the main actor
   |                       `- note: disable concurrency-safety checks if accesses are protected by an external synchronization mechanism
44 | }
45 |
/host/spi-builder-workspace/Sources/MusicXML/Complex Types/Tie.swift:29:23: warning: static property 'start' is not concurrency-safe because non-'Sendable' type 'Tie' may have shared mutable state; this is an error in the Swift 6 language mode
 8 | /// The tie element indicates that a tie begins or ends with this note. The tie element indicates
 9 | /// sound; the tied element indicates notation.
10 | public struct Tie {
   |               `- note: consider making struct 'Tie' conform to the 'Sendable' protocol
11 |     // MARK: - Instance Properties
12 |
   :
27 |     // MARK: Type Properties
28 |
29 |     public static let start = Tie(.start)
   |                       |- warning: static property 'start' is not concurrency-safe because non-'Sendable' type 'Tie' may have shared mutable state; this is an error in the Swift 6 language mode
   |                       |- note: annotate 'start' with '@MainActor' if property should only be accessed from the main actor
   |                       `- note: disable concurrency-safety checks if accesses are protected by an external synchronization mechanism
30 |     public static let stop = Tie(.stop)
31 | }
/host/spi-builder-workspace/Sources/MusicXML/Complex Types/Tie.swift:30:23: warning: static property 'stop' is not concurrency-safe because non-'Sendable' type 'Tie' may have shared mutable state; this is an error in the Swift 6 language mode
 8 | /// The tie element indicates that a tie begins or ends with this note. The tie element indicates
 9 | /// sound; the tied element indicates notation.
10 | public struct Tie {
   |               `- note: consider making struct 'Tie' conform to the 'Sendable' protocol
11 |     // MARK: - Instance Properties
12 |
   :
28 |
29 |     public static let start = Tie(.start)
30 |     public static let stop = Tie(.stop)
   |                       |- warning: static property 'stop' is not concurrency-safe because non-'Sendable' type 'Tie' may have shared mutable state; this is an error in the Swift 6 language mode
   |                       |- note: annotate 'stop' with '@MainActor' if property should only be accessed from the main actor
   |                       `- note: disable concurrency-safety checks if accesses are protected by an external synchronization mechanism
31 | }
32 |
[353/371] Compiling MusicXML StaffTuning.swift
/host/spi-builder-workspace/Sources/MusicXML/Complex Types/Stem.swift:40:23: warning: static property 'up' is not concurrency-safe because non-'Sendable' type 'Stem' may have shared mutable state; this is an error in the Swift 6 language mode
11 | /// relative-y that would flip a stem instead of shortening it are ignored. A stem element
12 | /// associated with a rest refers to a stemlet.
13 | public struct Stem {
   |               `- note: consider making struct 'Stem' conform to the 'Sendable' protocol
14 |     // MARK: - Instance Properties
15 |
   :
38 |     // MARK: Type Properties
39 |
40 |     public static let up = Stem(.up)
   |                       |- warning: static property 'up' is not concurrency-safe because non-'Sendable' type 'Stem' may have shared mutable state; this is an error in the Swift 6 language mode
   |                       |- note: annotate 'up' with '@MainActor' if property should only be accessed from the main actor
   |                       `- note: disable concurrency-safety checks if accesses are protected by an external synchronization mechanism
41 |     public static let down = Stem(.down)
42 |     public static let double = Stem(.double)
/host/spi-builder-workspace/Sources/MusicXML/Complex Types/Stem.swift:41:23: warning: static property 'down' is not concurrency-safe because non-'Sendable' type 'Stem' may have shared mutable state; this is an error in the Swift 6 language mode
11 | /// relative-y that would flip a stem instead of shortening it are ignored. A stem element
12 | /// associated with a rest refers to a stemlet.
13 | public struct Stem {
   |               `- note: consider making struct 'Stem' conform to the 'Sendable' protocol
14 |     // MARK: - Instance Properties
15 |
   :
39 |
40 |     public static let up = Stem(.up)
41 |     public static let down = Stem(.down)
   |                       |- warning: static property 'down' is not concurrency-safe because non-'Sendable' type 'Stem' may have shared mutable state; this is an error in the Swift 6 language mode
   |                       |- note: annotate 'down' with '@MainActor' if property should only be accessed from the main actor
   |                       `- note: disable concurrency-safety checks if accesses are protected by an external synchronization mechanism
42 |     public static let double = Stem(.double)
43 |     public static let none = Stem(.none)
/host/spi-builder-workspace/Sources/MusicXML/Complex Types/Stem.swift:42:23: warning: static property 'double' is not concurrency-safe because non-'Sendable' type 'Stem' may have shared mutable state; this is an error in the Swift 6 language mode
11 | /// relative-y that would flip a stem instead of shortening it are ignored. A stem element
12 | /// associated with a rest refers to a stemlet.
13 | public struct Stem {
   |               `- note: consider making struct 'Stem' conform to the 'Sendable' protocol
14 |     // MARK: - Instance Properties
15 |
   :
40 |     public static let up = Stem(.up)
41 |     public static let down = Stem(.down)
42 |     public static let double = Stem(.double)
   |                       |- warning: static property 'double' is not concurrency-safe because non-'Sendable' type 'Stem' may have shared mutable state; this is an error in the Swift 6 language mode
   |                       |- note: annotate 'double' with '@MainActor' if property should only be accessed from the main actor
   |                       `- note: disable concurrency-safety checks if accesses are protected by an external synchronization mechanism
43 |     public static let none = Stem(.none)
44 | }
/host/spi-builder-workspace/Sources/MusicXML/Complex Types/Stem.swift:43:23: warning: static property 'none' is not concurrency-safe because non-'Sendable' type 'Stem' may have shared mutable state; this is an error in the Swift 6 language mode
11 | /// relative-y that would flip a stem instead of shortening it are ignored. A stem element
12 | /// associated with a rest refers to a stemlet.
13 | public struct Stem {
   |               `- note: consider making struct 'Stem' conform to the 'Sendable' protocol
14 |     // MARK: - Instance Properties
15 |
   :
41 |     public static let down = Stem(.down)
42 |     public static let double = Stem(.double)
43 |     public static let none = Stem(.none)
   |                       |- warning: static property 'none' is not concurrency-safe because non-'Sendable' type 'Stem' may have shared mutable state; this is an error in the Swift 6 language mode
   |                       |- note: annotate 'none' with '@MainActor' if property should only be accessed from the main actor
   |                       `- note: disable concurrency-safety checks if accesses are protected by an external synchronization mechanism
44 | }
45 |
/host/spi-builder-workspace/Sources/MusicXML/Complex Types/Tie.swift:29:23: warning: static property 'start' is not concurrency-safe because non-'Sendable' type 'Tie' may have shared mutable state; this is an error in the Swift 6 language mode
 8 | /// The tie element indicates that a tie begins or ends with this note. The tie element indicates
 9 | /// sound; the tied element indicates notation.
10 | public struct Tie {
   |               `- note: consider making struct 'Tie' conform to the 'Sendable' protocol
11 |     // MARK: - Instance Properties
12 |
   :
27 |     // MARK: Type Properties
28 |
29 |     public static let start = Tie(.start)
   |                       |- warning: static property 'start' is not concurrency-safe because non-'Sendable' type 'Tie' may have shared mutable state; this is an error in the Swift 6 language mode
   |                       |- note: annotate 'start' with '@MainActor' if property should only be accessed from the main actor
   |                       `- note: disable concurrency-safety checks if accesses are protected by an external synchronization mechanism
30 |     public static let stop = Tie(.stop)
31 | }
/host/spi-builder-workspace/Sources/MusicXML/Complex Types/Tie.swift:30:23: warning: static property 'stop' is not concurrency-safe because non-'Sendable' type 'Tie' may have shared mutable state; this is an error in the Swift 6 language mode
 8 | /// The tie element indicates that a tie begins or ends with this note. The tie element indicates
 9 | /// sound; the tied element indicates notation.
10 | public struct Tie {
   |               `- note: consider making struct 'Tie' conform to the 'Sendable' protocol
11 |     // MARK: - Instance Properties
12 |
   :
28 |
29 |     public static let start = Tie(.start)
30 |     public static let stop = Tie(.stop)
   |                       |- warning: static property 'stop' is not concurrency-safe because non-'Sendable' type 'Tie' may have shared mutable state; this is an error in the Swift 6 language mode
   |                       |- note: annotate 'stop' with '@MainActor' if property should only be accessed from the main actor
   |                       `- note: disable concurrency-safety checks if accesses are protected by an external synchronization mechanism
31 | }
32 |
[354/371] Compiling MusicXML Stem.swift
/host/spi-builder-workspace/Sources/MusicXML/Complex Types/Stem.swift:40:23: warning: static property 'up' is not concurrency-safe because non-'Sendable' type 'Stem' may have shared mutable state; this is an error in the Swift 6 language mode
11 | /// relative-y that would flip a stem instead of shortening it are ignored. A stem element
12 | /// associated with a rest refers to a stemlet.
13 | public struct Stem {
   |               `- note: consider making struct 'Stem' conform to the 'Sendable' protocol
14 |     // MARK: - Instance Properties
15 |
   :
38 |     // MARK: Type Properties
39 |
40 |     public static let up = Stem(.up)
   |                       |- warning: static property 'up' is not concurrency-safe because non-'Sendable' type 'Stem' may have shared mutable state; this is an error in the Swift 6 language mode
   |                       |- note: annotate 'up' with '@MainActor' if property should only be accessed from the main actor
   |                       `- note: disable concurrency-safety checks if accesses are protected by an external synchronization mechanism
41 |     public static let down = Stem(.down)
42 |     public static let double = Stem(.double)
/host/spi-builder-workspace/Sources/MusicXML/Complex Types/Stem.swift:41:23: warning: static property 'down' is not concurrency-safe because non-'Sendable' type 'Stem' may have shared mutable state; this is an error in the Swift 6 language mode
11 | /// relative-y that would flip a stem instead of shortening it are ignored. A stem element
12 | /// associated with a rest refers to a stemlet.
13 | public struct Stem {
   |               `- note: consider making struct 'Stem' conform to the 'Sendable' protocol
14 |     // MARK: - Instance Properties
15 |
   :
39 |
40 |     public static let up = Stem(.up)
41 |     public static let down = Stem(.down)
   |                       |- warning: static property 'down' is not concurrency-safe because non-'Sendable' type 'Stem' may have shared mutable state; this is an error in the Swift 6 language mode
   |                       |- note: annotate 'down' with '@MainActor' if property should only be accessed from the main actor
   |                       `- note: disable concurrency-safety checks if accesses are protected by an external synchronization mechanism
42 |     public static let double = Stem(.double)
43 |     public static let none = Stem(.none)
/host/spi-builder-workspace/Sources/MusicXML/Complex Types/Stem.swift:42:23: warning: static property 'double' is not concurrency-safe because non-'Sendable' type 'Stem' may have shared mutable state; this is an error in the Swift 6 language mode
11 | /// relative-y that would flip a stem instead of shortening it are ignored. A stem element
12 | /// associated with a rest refers to a stemlet.
13 | public struct Stem {
   |               `- note: consider making struct 'Stem' conform to the 'Sendable' protocol
14 |     // MARK: - Instance Properties
15 |
   :
40 |     public static let up = Stem(.up)
41 |     public static let down = Stem(.down)
42 |     public static let double = Stem(.double)
   |                       |- warning: static property 'double' is not concurrency-safe because non-'Sendable' type 'Stem' may have shared mutable state; this is an error in the Swift 6 language mode
   |                       |- note: annotate 'double' with '@MainActor' if property should only be accessed from the main actor
   |                       `- note: disable concurrency-safety checks if accesses are protected by an external synchronization mechanism
43 |     public static let none = Stem(.none)
44 | }
/host/spi-builder-workspace/Sources/MusicXML/Complex Types/Stem.swift:43:23: warning: static property 'none' is not concurrency-safe because non-'Sendable' type 'Stem' may have shared mutable state; this is an error in the Swift 6 language mode
11 | /// relative-y that would flip a stem instead of shortening it are ignored. A stem element
12 | /// associated with a rest refers to a stemlet.
13 | public struct Stem {
   |               `- note: consider making struct 'Stem' conform to the 'Sendable' protocol
14 |     // MARK: - Instance Properties
15 |
   :
41 |     public static let down = Stem(.down)
42 |     public static let double = Stem(.double)
43 |     public static let none = Stem(.none)
   |                       |- warning: static property 'none' is not concurrency-safe because non-'Sendable' type 'Stem' may have shared mutable state; this is an error in the Swift 6 language mode
   |                       |- note: annotate 'none' with '@MainActor' if property should only be accessed from the main actor
   |                       `- note: disable concurrency-safety checks if accesses are protected by an external synchronization mechanism
44 | }
45 |
/host/spi-builder-workspace/Sources/MusicXML/Complex Types/Tie.swift:29:23: warning: static property 'start' is not concurrency-safe because non-'Sendable' type 'Tie' may have shared mutable state; this is an error in the Swift 6 language mode
 8 | /// The tie element indicates that a tie begins or ends with this note. The tie element indicates
 9 | /// sound; the tied element indicates notation.
10 | public struct Tie {
   |               `- note: consider making struct 'Tie' conform to the 'Sendable' protocol
11 |     // MARK: - Instance Properties
12 |
   :
27 |     // MARK: Type Properties
28 |
29 |     public static let start = Tie(.start)
   |                       |- warning: static property 'start' is not concurrency-safe because non-'Sendable' type 'Tie' may have shared mutable state; this is an error in the Swift 6 language mode
   |                       |- note: annotate 'start' with '@MainActor' if property should only be accessed from the main actor
   |                       `- note: disable concurrency-safety checks if accesses are protected by an external synchronization mechanism
30 |     public static let stop = Tie(.stop)
31 | }
/host/spi-builder-workspace/Sources/MusicXML/Complex Types/Tie.swift:30:23: warning: static property 'stop' is not concurrency-safe because non-'Sendable' type 'Tie' may have shared mutable state; this is an error in the Swift 6 language mode
 8 | /// The tie element indicates that a tie begins or ends with this note. The tie element indicates
 9 | /// sound; the tied element indicates notation.
10 | public struct Tie {
   |               `- note: consider making struct 'Tie' conform to the 'Sendable' protocol
11 |     // MARK: - Instance Properties
12 |
   :
28 |
29 |     public static let start = Tie(.start)
30 |     public static let stop = Tie(.stop)
   |                       |- warning: static property 'stop' is not concurrency-safe because non-'Sendable' type 'Tie' may have shared mutable state; this is an error in the Swift 6 language mode
   |                       |- note: annotate 'stop' with '@MainActor' if property should only be accessed from the main actor
   |                       `- note: disable concurrency-safety checks if accesses are protected by an external synchronization mechanism
31 | }
32 |
[355/371] Compiling MusicXML Stick.swift
/host/spi-builder-workspace/Sources/MusicXML/Complex Types/Stem.swift:40:23: warning: static property 'up' is not concurrency-safe because non-'Sendable' type 'Stem' may have shared mutable state; this is an error in the Swift 6 language mode
11 | /// relative-y that would flip a stem instead of shortening it are ignored. A stem element
12 | /// associated with a rest refers to a stemlet.
13 | public struct Stem {
   |               `- note: consider making struct 'Stem' conform to the 'Sendable' protocol
14 |     // MARK: - Instance Properties
15 |
   :
38 |     // MARK: Type Properties
39 |
40 |     public static let up = Stem(.up)
   |                       |- warning: static property 'up' is not concurrency-safe because non-'Sendable' type 'Stem' may have shared mutable state; this is an error in the Swift 6 language mode
   |                       |- note: annotate 'up' with '@MainActor' if property should only be accessed from the main actor
   |                       `- note: disable concurrency-safety checks if accesses are protected by an external synchronization mechanism
41 |     public static let down = Stem(.down)
42 |     public static let double = Stem(.double)
/host/spi-builder-workspace/Sources/MusicXML/Complex Types/Stem.swift:41:23: warning: static property 'down' is not concurrency-safe because non-'Sendable' type 'Stem' may have shared mutable state; this is an error in the Swift 6 language mode
11 | /// relative-y that would flip a stem instead of shortening it are ignored. A stem element
12 | /// associated with a rest refers to a stemlet.
13 | public struct Stem {
   |               `- note: consider making struct 'Stem' conform to the 'Sendable' protocol
14 |     // MARK: - Instance Properties
15 |
   :
39 |
40 |     public static let up = Stem(.up)
41 |     public static let down = Stem(.down)
   |                       |- warning: static property 'down' is not concurrency-safe because non-'Sendable' type 'Stem' may have shared mutable state; this is an error in the Swift 6 language mode
   |                       |- note: annotate 'down' with '@MainActor' if property should only be accessed from the main actor
   |                       `- note: disable concurrency-safety checks if accesses are protected by an external synchronization mechanism
42 |     public static let double = Stem(.double)
43 |     public static let none = Stem(.none)
/host/spi-builder-workspace/Sources/MusicXML/Complex Types/Stem.swift:42:23: warning: static property 'double' is not concurrency-safe because non-'Sendable' type 'Stem' may have shared mutable state; this is an error in the Swift 6 language mode
11 | /// relative-y that would flip a stem instead of shortening it are ignored. A stem element
12 | /// associated with a rest refers to a stemlet.
13 | public struct Stem {
   |               `- note: consider making struct 'Stem' conform to the 'Sendable' protocol
14 |     // MARK: - Instance Properties
15 |
   :
40 |     public static let up = Stem(.up)
41 |     public static let down = Stem(.down)
42 |     public static let double = Stem(.double)
   |                       |- warning: static property 'double' is not concurrency-safe because non-'Sendable' type 'Stem' may have shared mutable state; this is an error in the Swift 6 language mode
   |                       |- note: annotate 'double' with '@MainActor' if property should only be accessed from the main actor
   |                       `- note: disable concurrency-safety checks if accesses are protected by an external synchronization mechanism
43 |     public static let none = Stem(.none)
44 | }
/host/spi-builder-workspace/Sources/MusicXML/Complex Types/Stem.swift:43:23: warning: static property 'none' is not concurrency-safe because non-'Sendable' type 'Stem' may have shared mutable state; this is an error in the Swift 6 language mode
11 | /// relative-y that would flip a stem instead of shortening it are ignored. A stem element
12 | /// associated with a rest refers to a stemlet.
13 | public struct Stem {
   |               `- note: consider making struct 'Stem' conform to the 'Sendable' protocol
14 |     // MARK: - Instance Properties
15 |
   :
41 |     public static let down = Stem(.down)
42 |     public static let double = Stem(.double)
43 |     public static let none = Stem(.none)
   |                       |- warning: static property 'none' is not concurrency-safe because non-'Sendable' type 'Stem' may have shared mutable state; this is an error in the Swift 6 language mode
   |                       |- note: annotate 'none' with '@MainActor' if property should only be accessed from the main actor
   |                       `- note: disable concurrency-safety checks if accesses are protected by an external synchronization mechanism
44 | }
45 |
/host/spi-builder-workspace/Sources/MusicXML/Complex Types/Tie.swift:29:23: warning: static property 'start' is not concurrency-safe because non-'Sendable' type 'Tie' may have shared mutable state; this is an error in the Swift 6 language mode
 8 | /// The tie element indicates that a tie begins or ends with this note. The tie element indicates
 9 | /// sound; the tied element indicates notation.
10 | public struct Tie {
   |               `- note: consider making struct 'Tie' conform to the 'Sendable' protocol
11 |     // MARK: - Instance Properties
12 |
   :
27 |     // MARK: Type Properties
28 |
29 |     public static let start = Tie(.start)
   |                       |- warning: static property 'start' is not concurrency-safe because non-'Sendable' type 'Tie' may have shared mutable state; this is an error in the Swift 6 language mode
   |                       |- note: annotate 'start' with '@MainActor' if property should only be accessed from the main actor
   |                       `- note: disable concurrency-safety checks if accesses are protected by an external synchronization mechanism
30 |     public static let stop = Tie(.stop)
31 | }
/host/spi-builder-workspace/Sources/MusicXML/Complex Types/Tie.swift:30:23: warning: static property 'stop' is not concurrency-safe because non-'Sendable' type 'Tie' may have shared mutable state; this is an error in the Swift 6 language mode
 8 | /// The tie element indicates that a tie begins or ends with this note. The tie element indicates
 9 | /// sound; the tied element indicates notation.
10 | public struct Tie {
   |               `- note: consider making struct 'Tie' conform to the 'Sendable' protocol
11 |     // MARK: - Instance Properties
12 |
   :
28 |
29 |     public static let start = Tie(.start)
30 |     public static let stop = Tie(.stop)
   |                       |- warning: static property 'stop' is not concurrency-safe because non-'Sendable' type 'Tie' may have shared mutable state; this is an error in the Swift 6 language mode
   |                       |- note: annotate 'stop' with '@MainActor' if property should only be accessed from the main actor
   |                       `- note: disable concurrency-safety checks if accesses are protected by an external synchronization mechanism
31 | }
32 |
[356/371] Compiling MusicXML StringMute.swift
/host/spi-builder-workspace/Sources/MusicXML/Complex Types/Stem.swift:40:23: warning: static property 'up' is not concurrency-safe because non-'Sendable' type 'Stem' may have shared mutable state; this is an error in the Swift 6 language mode
11 | /// relative-y that would flip a stem instead of shortening it are ignored. A stem element
12 | /// associated with a rest refers to a stemlet.
13 | public struct Stem {
   |               `- note: consider making struct 'Stem' conform to the 'Sendable' protocol
14 |     // MARK: - Instance Properties
15 |
   :
38 |     // MARK: Type Properties
39 |
40 |     public static let up = Stem(.up)
   |                       |- warning: static property 'up' is not concurrency-safe because non-'Sendable' type 'Stem' may have shared mutable state; this is an error in the Swift 6 language mode
   |                       |- note: annotate 'up' with '@MainActor' if property should only be accessed from the main actor
   |                       `- note: disable concurrency-safety checks if accesses are protected by an external synchronization mechanism
41 |     public static let down = Stem(.down)
42 |     public static let double = Stem(.double)
/host/spi-builder-workspace/Sources/MusicXML/Complex Types/Stem.swift:41:23: warning: static property 'down' is not concurrency-safe because non-'Sendable' type 'Stem' may have shared mutable state; this is an error in the Swift 6 language mode
11 | /// relative-y that would flip a stem instead of shortening it are ignored. A stem element
12 | /// associated with a rest refers to a stemlet.
13 | public struct Stem {
   |               `- note: consider making struct 'Stem' conform to the 'Sendable' protocol
14 |     // MARK: - Instance Properties
15 |
   :
39 |
40 |     public static let up = Stem(.up)
41 |     public static let down = Stem(.down)
   |                       |- warning: static property 'down' is not concurrency-safe because non-'Sendable' type 'Stem' may have shared mutable state; this is an error in the Swift 6 language mode
   |                       |- note: annotate 'down' with '@MainActor' if property should only be accessed from the main actor
   |                       `- note: disable concurrency-safety checks if accesses are protected by an external synchronization mechanism
42 |     public static let double = Stem(.double)
43 |     public static let none = Stem(.none)
/host/spi-builder-workspace/Sources/MusicXML/Complex Types/Stem.swift:42:23: warning: static property 'double' is not concurrency-safe because non-'Sendable' type 'Stem' may have shared mutable state; this is an error in the Swift 6 language mode
11 | /// relative-y that would flip a stem instead of shortening it are ignored. A stem element
12 | /// associated with a rest refers to a stemlet.
13 | public struct Stem {
   |               `- note: consider making struct 'Stem' conform to the 'Sendable' protocol
14 |     // MARK: - Instance Properties
15 |
   :
40 |     public static let up = Stem(.up)
41 |     public static let down = Stem(.down)
42 |     public static let double = Stem(.double)
   |                       |- warning: static property 'double' is not concurrency-safe because non-'Sendable' type 'Stem' may have shared mutable state; this is an error in the Swift 6 language mode
   |                       |- note: annotate 'double' with '@MainActor' if property should only be accessed from the main actor
   |                       `- note: disable concurrency-safety checks if accesses are protected by an external synchronization mechanism
43 |     public static let none = Stem(.none)
44 | }
/host/spi-builder-workspace/Sources/MusicXML/Complex Types/Stem.swift:43:23: warning: static property 'none' is not concurrency-safe because non-'Sendable' type 'Stem' may have shared mutable state; this is an error in the Swift 6 language mode
11 | /// relative-y that would flip a stem instead of shortening it are ignored. A stem element
12 | /// associated with a rest refers to a stemlet.
13 | public struct Stem {
   |               `- note: consider making struct 'Stem' conform to the 'Sendable' protocol
14 |     // MARK: - Instance Properties
15 |
   :
41 |     public static let down = Stem(.down)
42 |     public static let double = Stem(.double)
43 |     public static let none = Stem(.none)
   |                       |- warning: static property 'none' is not concurrency-safe because non-'Sendable' type 'Stem' may have shared mutable state; this is an error in the Swift 6 language mode
   |                       |- note: annotate 'none' with '@MainActor' if property should only be accessed from the main actor
   |                       `- note: disable concurrency-safety checks if accesses are protected by an external synchronization mechanism
44 | }
45 |
/host/spi-builder-workspace/Sources/MusicXML/Complex Types/Tie.swift:29:23: warning: static property 'start' is not concurrency-safe because non-'Sendable' type 'Tie' may have shared mutable state; this is an error in the Swift 6 language mode
 8 | /// The tie element indicates that a tie begins or ends with this note. The tie element indicates
 9 | /// sound; the tied element indicates notation.
10 | public struct Tie {
   |               `- note: consider making struct 'Tie' conform to the 'Sendable' protocol
11 |     // MARK: - Instance Properties
12 |
   :
27 |     // MARK: Type Properties
28 |
29 |     public static let start = Tie(.start)
   |                       |- warning: static property 'start' is not concurrency-safe because non-'Sendable' type 'Tie' may have shared mutable state; this is an error in the Swift 6 language mode
   |                       |- note: annotate 'start' with '@MainActor' if property should only be accessed from the main actor
   |                       `- note: disable concurrency-safety checks if accesses are protected by an external synchronization mechanism
30 |     public static let stop = Tie(.stop)
31 | }
/host/spi-builder-workspace/Sources/MusicXML/Complex Types/Tie.swift:30:23: warning: static property 'stop' is not concurrency-safe because non-'Sendable' type 'Tie' may have shared mutable state; this is an error in the Swift 6 language mode
 8 | /// The tie element indicates that a tie begins or ends with this note. The tie element indicates
 9 | /// sound; the tied element indicates notation.
10 | public struct Tie {
   |               `- note: consider making struct 'Tie' conform to the 'Sendable' protocol
11 |     // MARK: - Instance Properties
12 |
   :
28 |
29 |     public static let start = Tie(.start)
30 |     public static let stop = Tie(.stop)
   |                       |- warning: static property 'stop' is not concurrency-safe because non-'Sendable' type 'Tie' may have shared mutable state; this is an error in the Swift 6 language mode
   |                       |- note: annotate 'stop' with '@MainActor' if property should only be accessed from the main actor
   |                       `- note: disable concurrency-safety checks if accesses are protected by an external synchronization mechanism
31 | }
32 |
[357/371] Compiling MusicXML StrongAccent.swift
/host/spi-builder-workspace/Sources/MusicXML/Complex Types/Stem.swift:40:23: warning: static property 'up' is not concurrency-safe because non-'Sendable' type 'Stem' may have shared mutable state; this is an error in the Swift 6 language mode
11 | /// relative-y that would flip a stem instead of shortening it are ignored. A stem element
12 | /// associated with a rest refers to a stemlet.
13 | public struct Stem {
   |               `- note: consider making struct 'Stem' conform to the 'Sendable' protocol
14 |     // MARK: - Instance Properties
15 |
   :
38 |     // MARK: Type Properties
39 |
40 |     public static let up = Stem(.up)
   |                       |- warning: static property 'up' is not concurrency-safe because non-'Sendable' type 'Stem' may have shared mutable state; this is an error in the Swift 6 language mode
   |                       |- note: annotate 'up' with '@MainActor' if property should only be accessed from the main actor
   |                       `- note: disable concurrency-safety checks if accesses are protected by an external synchronization mechanism
41 |     public static let down = Stem(.down)
42 |     public static let double = Stem(.double)
/host/spi-builder-workspace/Sources/MusicXML/Complex Types/Stem.swift:41:23: warning: static property 'down' is not concurrency-safe because non-'Sendable' type 'Stem' may have shared mutable state; this is an error in the Swift 6 language mode
11 | /// relative-y that would flip a stem instead of shortening it are ignored. A stem element
12 | /// associated with a rest refers to a stemlet.
13 | public struct Stem {
   |               `- note: consider making struct 'Stem' conform to the 'Sendable' protocol
14 |     // MARK: - Instance Properties
15 |
   :
39 |
40 |     public static let up = Stem(.up)
41 |     public static let down = Stem(.down)
   |                       |- warning: static property 'down' is not concurrency-safe because non-'Sendable' type 'Stem' may have shared mutable state; this is an error in the Swift 6 language mode
   |                       |- note: annotate 'down' with '@MainActor' if property should only be accessed from the main actor
   |                       `- note: disable concurrency-safety checks if accesses are protected by an external synchronization mechanism
42 |     public static let double = Stem(.double)
43 |     public static let none = Stem(.none)
/host/spi-builder-workspace/Sources/MusicXML/Complex Types/Stem.swift:42:23: warning: static property 'double' is not concurrency-safe because non-'Sendable' type 'Stem' may have shared mutable state; this is an error in the Swift 6 language mode
11 | /// relative-y that would flip a stem instead of shortening it are ignored. A stem element
12 | /// associated with a rest refers to a stemlet.
13 | public struct Stem {
   |               `- note: consider making struct 'Stem' conform to the 'Sendable' protocol
14 |     // MARK: - Instance Properties
15 |
   :
40 |     public static let up = Stem(.up)
41 |     public static let down = Stem(.down)
42 |     public static let double = Stem(.double)
   |                       |- warning: static property 'double' is not concurrency-safe because non-'Sendable' type 'Stem' may have shared mutable state; this is an error in the Swift 6 language mode
   |                       |- note: annotate 'double' with '@MainActor' if property should only be accessed from the main actor
   |                       `- note: disable concurrency-safety checks if accesses are protected by an external synchronization mechanism
43 |     public static let none = Stem(.none)
44 | }
/host/spi-builder-workspace/Sources/MusicXML/Complex Types/Stem.swift:43:23: warning: static property 'none' is not concurrency-safe because non-'Sendable' type 'Stem' may have shared mutable state; this is an error in the Swift 6 language mode
11 | /// relative-y that would flip a stem instead of shortening it are ignored. A stem element
12 | /// associated with a rest refers to a stemlet.
13 | public struct Stem {
   |               `- note: consider making struct 'Stem' conform to the 'Sendable' protocol
14 |     // MARK: - Instance Properties
15 |
   :
41 |     public static let down = Stem(.down)
42 |     public static let double = Stem(.double)
43 |     public static let none = Stem(.none)
   |                       |- warning: static property 'none' is not concurrency-safe because non-'Sendable' type 'Stem' may have shared mutable state; this is an error in the Swift 6 language mode
   |                       |- note: annotate 'none' with '@MainActor' if property should only be accessed from the main actor
   |                       `- note: disable concurrency-safety checks if accesses are protected by an external synchronization mechanism
44 | }
45 |
/host/spi-builder-workspace/Sources/MusicXML/Complex Types/Tie.swift:29:23: warning: static property 'start' is not concurrency-safe because non-'Sendable' type 'Tie' may have shared mutable state; this is an error in the Swift 6 language mode
 8 | /// The tie element indicates that a tie begins or ends with this note. The tie element indicates
 9 | /// sound; the tied element indicates notation.
10 | public struct Tie {
   |               `- note: consider making struct 'Tie' conform to the 'Sendable' protocol
11 |     // MARK: - Instance Properties
12 |
   :
27 |     // MARK: Type Properties
28 |
29 |     public static let start = Tie(.start)
   |                       |- warning: static property 'start' is not concurrency-safe because non-'Sendable' type 'Tie' may have shared mutable state; this is an error in the Swift 6 language mode
   |                       |- note: annotate 'start' with '@MainActor' if property should only be accessed from the main actor
   |                       `- note: disable concurrency-safety checks if accesses are protected by an external synchronization mechanism
30 |     public static let stop = Tie(.stop)
31 | }
/host/spi-builder-workspace/Sources/MusicXML/Complex Types/Tie.swift:30:23: warning: static property 'stop' is not concurrency-safe because non-'Sendable' type 'Tie' may have shared mutable state; this is an error in the Swift 6 language mode
 8 | /// The tie element indicates that a tie begins or ends with this note. The tie element indicates
 9 | /// sound; the tied element indicates notation.
10 | public struct Tie {
   |               `- note: consider making struct 'Tie' conform to the 'Sendable' protocol
11 |     // MARK: - Instance Properties
12 |
   :
28 |
29 |     public static let start = Tie(.start)
30 |     public static let stop = Tie(.stop)
   |                       |- warning: static property 'stop' is not concurrency-safe because non-'Sendable' type 'Tie' may have shared mutable state; this is an error in the Swift 6 language mode
   |                       |- note: annotate 'stop' with '@MainActor' if property should only be accessed from the main actor
   |                       `- note: disable concurrency-safety checks if accesses are protected by an external synchronization mechanism
31 | }
32 |
[358/371] Compiling MusicXML StyleText.swift
/host/spi-builder-workspace/Sources/MusicXML/Complex Types/Stem.swift:40:23: warning: static property 'up' is not concurrency-safe because non-'Sendable' type 'Stem' may have shared mutable state; this is an error in the Swift 6 language mode
11 | /// relative-y that would flip a stem instead of shortening it are ignored. A stem element
12 | /// associated with a rest refers to a stemlet.
13 | public struct Stem {
   |               `- note: consider making struct 'Stem' conform to the 'Sendable' protocol
14 |     // MARK: - Instance Properties
15 |
   :
38 |     // MARK: Type Properties
39 |
40 |     public static let up = Stem(.up)
   |                       |- warning: static property 'up' is not concurrency-safe because non-'Sendable' type 'Stem' may have shared mutable state; this is an error in the Swift 6 language mode
   |                       |- note: annotate 'up' with '@MainActor' if property should only be accessed from the main actor
   |                       `- note: disable concurrency-safety checks if accesses are protected by an external synchronization mechanism
41 |     public static let down = Stem(.down)
42 |     public static let double = Stem(.double)
/host/spi-builder-workspace/Sources/MusicXML/Complex Types/Stem.swift:41:23: warning: static property 'down' is not concurrency-safe because non-'Sendable' type 'Stem' may have shared mutable state; this is an error in the Swift 6 language mode
11 | /// relative-y that would flip a stem instead of shortening it are ignored. A stem element
12 | /// associated with a rest refers to a stemlet.
13 | public struct Stem {
   |               `- note: consider making struct 'Stem' conform to the 'Sendable' protocol
14 |     // MARK: - Instance Properties
15 |
   :
39 |
40 |     public static let up = Stem(.up)
41 |     public static let down = Stem(.down)
   |                       |- warning: static property 'down' is not concurrency-safe because non-'Sendable' type 'Stem' may have shared mutable state; this is an error in the Swift 6 language mode
   |                       |- note: annotate 'down' with '@MainActor' if property should only be accessed from the main actor
   |                       `- note: disable concurrency-safety checks if accesses are protected by an external synchronization mechanism
42 |     public static let double = Stem(.double)
43 |     public static let none = Stem(.none)
/host/spi-builder-workspace/Sources/MusicXML/Complex Types/Stem.swift:42:23: warning: static property 'double' is not concurrency-safe because non-'Sendable' type 'Stem' may have shared mutable state; this is an error in the Swift 6 language mode
11 | /// relative-y that would flip a stem instead of shortening it are ignored. A stem element
12 | /// associated with a rest refers to a stemlet.
13 | public struct Stem {
   |               `- note: consider making struct 'Stem' conform to the 'Sendable' protocol
14 |     // MARK: - Instance Properties
15 |
   :
40 |     public static let up = Stem(.up)
41 |     public static let down = Stem(.down)
42 |     public static let double = Stem(.double)
   |                       |- warning: static property 'double' is not concurrency-safe because non-'Sendable' type 'Stem' may have shared mutable state; this is an error in the Swift 6 language mode
   |                       |- note: annotate 'double' with '@MainActor' if property should only be accessed from the main actor
   |                       `- note: disable concurrency-safety checks if accesses are protected by an external synchronization mechanism
43 |     public static let none = Stem(.none)
44 | }
/host/spi-builder-workspace/Sources/MusicXML/Complex Types/Stem.swift:43:23: warning: static property 'none' is not concurrency-safe because non-'Sendable' type 'Stem' may have shared mutable state; this is an error in the Swift 6 language mode
11 | /// relative-y that would flip a stem instead of shortening it are ignored. A stem element
12 | /// associated with a rest refers to a stemlet.
13 | public struct Stem {
   |               `- note: consider making struct 'Stem' conform to the 'Sendable' protocol
14 |     // MARK: - Instance Properties
15 |
   :
41 |     public static let down = Stem(.down)
42 |     public static let double = Stem(.double)
43 |     public static let none = Stem(.none)
   |                       |- warning: static property 'none' is not concurrency-safe because non-'Sendable' type 'Stem' may have shared mutable state; this is an error in the Swift 6 language mode
   |                       |- note: annotate 'none' with '@MainActor' if property should only be accessed from the main actor
   |                       `- note: disable concurrency-safety checks if accesses are protected by an external synchronization mechanism
44 | }
45 |
/host/spi-builder-workspace/Sources/MusicXML/Complex Types/Tie.swift:29:23: warning: static property 'start' is not concurrency-safe because non-'Sendable' type 'Tie' may have shared mutable state; this is an error in the Swift 6 language mode
 8 | /// The tie element indicates that a tie begins or ends with this note. The tie element indicates
 9 | /// sound; the tied element indicates notation.
10 | public struct Tie {
   |               `- note: consider making struct 'Tie' conform to the 'Sendable' protocol
11 |     // MARK: - Instance Properties
12 |
   :
27 |     // MARK: Type Properties
28 |
29 |     public static let start = Tie(.start)
   |                       |- warning: static property 'start' is not concurrency-safe because non-'Sendable' type 'Tie' may have shared mutable state; this is an error in the Swift 6 language mode
   |                       |- note: annotate 'start' with '@MainActor' if property should only be accessed from the main actor
   |                       `- note: disable concurrency-safety checks if accesses are protected by an external synchronization mechanism
30 |     public static let stop = Tie(.stop)
31 | }
/host/spi-builder-workspace/Sources/MusicXML/Complex Types/Tie.swift:30:23: warning: static property 'stop' is not concurrency-safe because non-'Sendable' type 'Tie' may have shared mutable state; this is an error in the Swift 6 language mode
 8 | /// The tie element indicates that a tie begins or ends with this note. The tie element indicates
 9 | /// sound; the tied element indicates notation.
10 | public struct Tie {
   |               `- note: consider making struct 'Tie' conform to the 'Sendable' protocol
11 |     // MARK: - Instance Properties
12 |
   :
28 |
29 |     public static let start = Tie(.start)
30 |     public static let stop = Tie(.stop)
   |                       |- warning: static property 'stop' is not concurrency-safe because non-'Sendable' type 'Tie' may have shared mutable state; this is an error in the Swift 6 language mode
   |                       |- note: annotate 'stop' with '@MainActor' if property should only be accessed from the main actor
   |                       `- note: disable concurrency-safety checks if accesses are protected by an external synchronization mechanism
31 | }
32 |
[359/371] Compiling MusicXML Supports.swift
/host/spi-builder-workspace/Sources/MusicXML/Complex Types/Stem.swift:40:23: warning: static property 'up' is not concurrency-safe because non-'Sendable' type 'Stem' may have shared mutable state; this is an error in the Swift 6 language mode
11 | /// relative-y that would flip a stem instead of shortening it are ignored. A stem element
12 | /// associated with a rest refers to a stemlet.
13 | public struct Stem {
   |               `- note: consider making struct 'Stem' conform to the 'Sendable' protocol
14 |     // MARK: - Instance Properties
15 |
   :
38 |     // MARK: Type Properties
39 |
40 |     public static let up = Stem(.up)
   |                       |- warning: static property 'up' is not concurrency-safe because non-'Sendable' type 'Stem' may have shared mutable state; this is an error in the Swift 6 language mode
   |                       |- note: annotate 'up' with '@MainActor' if property should only be accessed from the main actor
   |                       `- note: disable concurrency-safety checks if accesses are protected by an external synchronization mechanism
41 |     public static let down = Stem(.down)
42 |     public static let double = Stem(.double)
/host/spi-builder-workspace/Sources/MusicXML/Complex Types/Stem.swift:41:23: warning: static property 'down' is not concurrency-safe because non-'Sendable' type 'Stem' may have shared mutable state; this is an error in the Swift 6 language mode
11 | /// relative-y that would flip a stem instead of shortening it are ignored. A stem element
12 | /// associated with a rest refers to a stemlet.
13 | public struct Stem {
   |               `- note: consider making struct 'Stem' conform to the 'Sendable' protocol
14 |     // MARK: - Instance Properties
15 |
   :
39 |
40 |     public static let up = Stem(.up)
41 |     public static let down = Stem(.down)
   |                       |- warning: static property 'down' is not concurrency-safe because non-'Sendable' type 'Stem' may have shared mutable state; this is an error in the Swift 6 language mode
   |                       |- note: annotate 'down' with '@MainActor' if property should only be accessed from the main actor
   |                       `- note: disable concurrency-safety checks if accesses are protected by an external synchronization mechanism
42 |     public static let double = Stem(.double)
43 |     public static let none = Stem(.none)
/host/spi-builder-workspace/Sources/MusicXML/Complex Types/Stem.swift:42:23: warning: static property 'double' is not concurrency-safe because non-'Sendable' type 'Stem' may have shared mutable state; this is an error in the Swift 6 language mode
11 | /// relative-y that would flip a stem instead of shortening it are ignored. A stem element
12 | /// associated with a rest refers to a stemlet.
13 | public struct Stem {
   |               `- note: consider making struct 'Stem' conform to the 'Sendable' protocol
14 |     // MARK: - Instance Properties
15 |
   :
40 |     public static let up = Stem(.up)
41 |     public static let down = Stem(.down)
42 |     public static let double = Stem(.double)
   |                       |- warning: static property 'double' is not concurrency-safe because non-'Sendable' type 'Stem' may have shared mutable state; this is an error in the Swift 6 language mode
   |                       |- note: annotate 'double' with '@MainActor' if property should only be accessed from the main actor
   |                       `- note: disable concurrency-safety checks if accesses are protected by an external synchronization mechanism
43 |     public static let none = Stem(.none)
44 | }
/host/spi-builder-workspace/Sources/MusicXML/Complex Types/Stem.swift:43:23: warning: static property 'none' is not concurrency-safe because non-'Sendable' type 'Stem' may have shared mutable state; this is an error in the Swift 6 language mode
11 | /// relative-y that would flip a stem instead of shortening it are ignored. A stem element
12 | /// associated with a rest refers to a stemlet.
13 | public struct Stem {
   |               `- note: consider making struct 'Stem' conform to the 'Sendable' protocol
14 |     // MARK: - Instance Properties
15 |
   :
41 |     public static let down = Stem(.down)
42 |     public static let double = Stem(.double)
43 |     public static let none = Stem(.none)
   |                       |- warning: static property 'none' is not concurrency-safe because non-'Sendable' type 'Stem' may have shared mutable state; this is an error in the Swift 6 language mode
   |                       |- note: annotate 'none' with '@MainActor' if property should only be accessed from the main actor
   |                       `- note: disable concurrency-safety checks if accesses are protected by an external synchronization mechanism
44 | }
45 |
/host/spi-builder-workspace/Sources/MusicXML/Complex Types/Tie.swift:29:23: warning: static property 'start' is not concurrency-safe because non-'Sendable' type 'Tie' may have shared mutable state; this is an error in the Swift 6 language mode
 8 | /// The tie element indicates that a tie begins or ends with this note. The tie element indicates
 9 | /// sound; the tied element indicates notation.
10 | public struct Tie {
   |               `- note: consider making struct 'Tie' conform to the 'Sendable' protocol
11 |     // MARK: - Instance Properties
12 |
   :
27 |     // MARK: Type Properties
28 |
29 |     public static let start = Tie(.start)
   |                       |- warning: static property 'start' is not concurrency-safe because non-'Sendable' type 'Tie' may have shared mutable state; this is an error in the Swift 6 language mode
   |                       |- note: annotate 'start' with '@MainActor' if property should only be accessed from the main actor
   |                       `- note: disable concurrency-safety checks if accesses are protected by an external synchronization mechanism
30 |     public static let stop = Tie(.stop)
31 | }
/host/spi-builder-workspace/Sources/MusicXML/Complex Types/Tie.swift:30:23: warning: static property 'stop' is not concurrency-safe because non-'Sendable' type 'Tie' may have shared mutable state; this is an error in the Swift 6 language mode
 8 | /// The tie element indicates that a tie begins or ends with this note. The tie element indicates
 9 | /// sound; the tied element indicates notation.
10 | public struct Tie {
   |               `- note: consider making struct 'Tie' conform to the 'Sendable' protocol
11 |     // MARK: - Instance Properties
12 |
   :
28 |
29 |     public static let start = Tie(.start)
30 |     public static let stop = Tie(.stop)
   |                       |- warning: static property 'stop' is not concurrency-safe because non-'Sendable' type 'Tie' may have shared mutable state; this is an error in the Swift 6 language mode
   |                       |- note: annotate 'stop' with '@MainActor' if property should only be accessed from the main actor
   |                       `- note: disable concurrency-safety checks if accesses are protected by an external synchronization mechanism
31 | }
32 |
[360/371] Compiling MusicXML SystemDividers.swift
/host/spi-builder-workspace/Sources/MusicXML/Complex Types/Stem.swift:40:23: warning: static property 'up' is not concurrency-safe because non-'Sendable' type 'Stem' may have shared mutable state; this is an error in the Swift 6 language mode
11 | /// relative-y that would flip a stem instead of shortening it are ignored. A stem element
12 | /// associated with a rest refers to a stemlet.
13 | public struct Stem {
   |               `- note: consider making struct 'Stem' conform to the 'Sendable' protocol
14 |     // MARK: - Instance Properties
15 |
   :
38 |     // MARK: Type Properties
39 |
40 |     public static let up = Stem(.up)
   |                       |- warning: static property 'up' is not concurrency-safe because non-'Sendable' type 'Stem' may have shared mutable state; this is an error in the Swift 6 language mode
   |                       |- note: annotate 'up' with '@MainActor' if property should only be accessed from the main actor
   |                       `- note: disable concurrency-safety checks if accesses are protected by an external synchronization mechanism
41 |     public static let down = Stem(.down)
42 |     public static let double = Stem(.double)
/host/spi-builder-workspace/Sources/MusicXML/Complex Types/Stem.swift:41:23: warning: static property 'down' is not concurrency-safe because non-'Sendable' type 'Stem' may have shared mutable state; this is an error in the Swift 6 language mode
11 | /// relative-y that would flip a stem instead of shortening it are ignored. A stem element
12 | /// associated with a rest refers to a stemlet.
13 | public struct Stem {
   |               `- note: consider making struct 'Stem' conform to the 'Sendable' protocol
14 |     // MARK: - Instance Properties
15 |
   :
39 |
40 |     public static let up = Stem(.up)
41 |     public static let down = Stem(.down)
   |                       |- warning: static property 'down' is not concurrency-safe because non-'Sendable' type 'Stem' may have shared mutable state; this is an error in the Swift 6 language mode
   |                       |- note: annotate 'down' with '@MainActor' if property should only be accessed from the main actor
   |                       `- note: disable concurrency-safety checks if accesses are protected by an external synchronization mechanism
42 |     public static let double = Stem(.double)
43 |     public static let none = Stem(.none)
/host/spi-builder-workspace/Sources/MusicXML/Complex Types/Stem.swift:42:23: warning: static property 'double' is not concurrency-safe because non-'Sendable' type 'Stem' may have shared mutable state; this is an error in the Swift 6 language mode
11 | /// relative-y that would flip a stem instead of shortening it are ignored. A stem element
12 | /// associated with a rest refers to a stemlet.
13 | public struct Stem {
   |               `- note: consider making struct 'Stem' conform to the 'Sendable' protocol
14 |     // MARK: - Instance Properties
15 |
   :
40 |     public static let up = Stem(.up)
41 |     public static let down = Stem(.down)
42 |     public static let double = Stem(.double)
   |                       |- warning: static property 'double' is not concurrency-safe because non-'Sendable' type 'Stem' may have shared mutable state; this is an error in the Swift 6 language mode
   |                       |- note: annotate 'double' with '@MainActor' if property should only be accessed from the main actor
   |                       `- note: disable concurrency-safety checks if accesses are protected by an external synchronization mechanism
43 |     public static let none = Stem(.none)
44 | }
/host/spi-builder-workspace/Sources/MusicXML/Complex Types/Stem.swift:43:23: warning: static property 'none' is not concurrency-safe because non-'Sendable' type 'Stem' may have shared mutable state; this is an error in the Swift 6 language mode
11 | /// relative-y that would flip a stem instead of shortening it are ignored. A stem element
12 | /// associated with a rest refers to a stemlet.
13 | public struct Stem {
   |               `- note: consider making struct 'Stem' conform to the 'Sendable' protocol
14 |     // MARK: - Instance Properties
15 |
   :
41 |     public static let down = Stem(.down)
42 |     public static let double = Stem(.double)
43 |     public static let none = Stem(.none)
   |                       |- warning: static property 'none' is not concurrency-safe because non-'Sendable' type 'Stem' may have shared mutable state; this is an error in the Swift 6 language mode
   |                       |- note: annotate 'none' with '@MainActor' if property should only be accessed from the main actor
   |                       `- note: disable concurrency-safety checks if accesses are protected by an external synchronization mechanism
44 | }
45 |
/host/spi-builder-workspace/Sources/MusicXML/Complex Types/Tie.swift:29:23: warning: static property 'start' is not concurrency-safe because non-'Sendable' type 'Tie' may have shared mutable state; this is an error in the Swift 6 language mode
 8 | /// The tie element indicates that a tie begins or ends with this note. The tie element indicates
 9 | /// sound; the tied element indicates notation.
10 | public struct Tie {
   |               `- note: consider making struct 'Tie' conform to the 'Sendable' protocol
11 |     // MARK: - Instance Properties
12 |
   :
27 |     // MARK: Type Properties
28 |
29 |     public static let start = Tie(.start)
   |                       |- warning: static property 'start' is not concurrency-safe because non-'Sendable' type 'Tie' may have shared mutable state; this is an error in the Swift 6 language mode
   |                       |- note: annotate 'start' with '@MainActor' if property should only be accessed from the main actor
   |                       `- note: disable concurrency-safety checks if accesses are protected by an external synchronization mechanism
30 |     public static let stop = Tie(.stop)
31 | }
/host/spi-builder-workspace/Sources/MusicXML/Complex Types/Tie.swift:30:23: warning: static property 'stop' is not concurrency-safe because non-'Sendable' type 'Tie' may have shared mutable state; this is an error in the Swift 6 language mode
 8 | /// The tie element indicates that a tie begins or ends with this note. The tie element indicates
 9 | /// sound; the tied element indicates notation.
10 | public struct Tie {
   |               `- note: consider making struct 'Tie' conform to the 'Sendable' protocol
11 |     // MARK: - Instance Properties
12 |
   :
28 |
29 |     public static let start = Tie(.start)
30 |     public static let stop = Tie(.stop)
   |                       |- warning: static property 'stop' is not concurrency-safe because non-'Sendable' type 'Tie' may have shared mutable state; this is an error in the Swift 6 language mode
   |                       |- note: annotate 'stop' with '@MainActor' if property should only be accessed from the main actor
   |                       `- note: disable concurrency-safety checks if accesses are protected by an external synchronization mechanism
31 | }
32 |
[361/371] Compiling MusicXML SystemLayout.swift
/host/spi-builder-workspace/Sources/MusicXML/Complex Types/Stem.swift:40:23: warning: static property 'up' is not concurrency-safe because non-'Sendable' type 'Stem' may have shared mutable state; this is an error in the Swift 6 language mode
11 | /// relative-y that would flip a stem instead of shortening it are ignored. A stem element
12 | /// associated with a rest refers to a stemlet.
13 | public struct Stem {
   |               `- note: consider making struct 'Stem' conform to the 'Sendable' protocol
14 |     // MARK: - Instance Properties
15 |
   :
38 |     // MARK: Type Properties
39 |
40 |     public static let up = Stem(.up)
   |                       |- warning: static property 'up' is not concurrency-safe because non-'Sendable' type 'Stem' may have shared mutable state; this is an error in the Swift 6 language mode
   |                       |- note: annotate 'up' with '@MainActor' if property should only be accessed from the main actor
   |                       `- note: disable concurrency-safety checks if accesses are protected by an external synchronization mechanism
41 |     public static let down = Stem(.down)
42 |     public static let double = Stem(.double)
/host/spi-builder-workspace/Sources/MusicXML/Complex Types/Stem.swift:41:23: warning: static property 'down' is not concurrency-safe because non-'Sendable' type 'Stem' may have shared mutable state; this is an error in the Swift 6 language mode
11 | /// relative-y that would flip a stem instead of shortening it are ignored. A stem element
12 | /// associated with a rest refers to a stemlet.
13 | public struct Stem {
   |               `- note: consider making struct 'Stem' conform to the 'Sendable' protocol
14 |     // MARK: - Instance Properties
15 |
   :
39 |
40 |     public static let up = Stem(.up)
41 |     public static let down = Stem(.down)
   |                       |- warning: static property 'down' is not concurrency-safe because non-'Sendable' type 'Stem' may have shared mutable state; this is an error in the Swift 6 language mode
   |                       |- note: annotate 'down' with '@MainActor' if property should only be accessed from the main actor
   |                       `- note: disable concurrency-safety checks if accesses are protected by an external synchronization mechanism
42 |     public static let double = Stem(.double)
43 |     public static let none = Stem(.none)
/host/spi-builder-workspace/Sources/MusicXML/Complex Types/Stem.swift:42:23: warning: static property 'double' is not concurrency-safe because non-'Sendable' type 'Stem' may have shared mutable state; this is an error in the Swift 6 language mode
11 | /// relative-y that would flip a stem instead of shortening it are ignored. A stem element
12 | /// associated with a rest refers to a stemlet.
13 | public struct Stem {
   |               `- note: consider making struct 'Stem' conform to the 'Sendable' protocol
14 |     // MARK: - Instance Properties
15 |
   :
40 |     public static let up = Stem(.up)
41 |     public static let down = Stem(.down)
42 |     public static let double = Stem(.double)
   |                       |- warning: static property 'double' is not concurrency-safe because non-'Sendable' type 'Stem' may have shared mutable state; this is an error in the Swift 6 language mode
   |                       |- note: annotate 'double' with '@MainActor' if property should only be accessed from the main actor
   |                       `- note: disable concurrency-safety checks if accesses are protected by an external synchronization mechanism
43 |     public static let none = Stem(.none)
44 | }
/host/spi-builder-workspace/Sources/MusicXML/Complex Types/Stem.swift:43:23: warning: static property 'none' is not concurrency-safe because non-'Sendable' type 'Stem' may have shared mutable state; this is an error in the Swift 6 language mode
11 | /// relative-y that would flip a stem instead of shortening it are ignored. A stem element
12 | /// associated with a rest refers to a stemlet.
13 | public struct Stem {
   |               `- note: consider making struct 'Stem' conform to the 'Sendable' protocol
14 |     // MARK: - Instance Properties
15 |
   :
41 |     public static let down = Stem(.down)
42 |     public static let double = Stem(.double)
43 |     public static let none = Stem(.none)
   |                       |- warning: static property 'none' is not concurrency-safe because non-'Sendable' type 'Stem' may have shared mutable state; this is an error in the Swift 6 language mode
   |                       |- note: annotate 'none' with '@MainActor' if property should only be accessed from the main actor
   |                       `- note: disable concurrency-safety checks if accesses are protected by an external synchronization mechanism
44 | }
45 |
/host/spi-builder-workspace/Sources/MusicXML/Complex Types/Tie.swift:29:23: warning: static property 'start' is not concurrency-safe because non-'Sendable' type 'Tie' may have shared mutable state; this is an error in the Swift 6 language mode
 8 | /// The tie element indicates that a tie begins or ends with this note. The tie element indicates
 9 | /// sound; the tied element indicates notation.
10 | public struct Tie {
   |               `- note: consider making struct 'Tie' conform to the 'Sendable' protocol
11 |     // MARK: - Instance Properties
12 |
   :
27 |     // MARK: Type Properties
28 |
29 |     public static let start = Tie(.start)
   |                       |- warning: static property 'start' is not concurrency-safe because non-'Sendable' type 'Tie' may have shared mutable state; this is an error in the Swift 6 language mode
   |                       |- note: annotate 'start' with '@MainActor' if property should only be accessed from the main actor
   |                       `- note: disable concurrency-safety checks if accesses are protected by an external synchronization mechanism
30 |     public static let stop = Tie(.stop)
31 | }
/host/spi-builder-workspace/Sources/MusicXML/Complex Types/Tie.swift:30:23: warning: static property 'stop' is not concurrency-safe because non-'Sendable' type 'Tie' may have shared mutable state; this is an error in the Swift 6 language mode
 8 | /// The tie element indicates that a tie begins or ends with this note. The tie element indicates
 9 | /// sound; the tied element indicates notation.
10 | public struct Tie {
   |               `- note: consider making struct 'Tie' conform to the 'Sendable' protocol
11 |     // MARK: - Instance Properties
12 |
   :
28 |
29 |     public static let start = Tie(.start)
30 |     public static let stop = Tie(.stop)
   |                       |- warning: static property 'stop' is not concurrency-safe because non-'Sendable' type 'Tie' may have shared mutable state; this is an error in the Swift 6 language mode
   |                       |- note: annotate 'stop' with '@MainActor' if property should only be accessed from the main actor
   |                       `- note: disable concurrency-safety checks if accesses are protected by an external synchronization mechanism
31 | }
32 |
[362/371] Compiling MusicXML SystemMargins.swift
/host/spi-builder-workspace/Sources/MusicXML/Complex Types/Stem.swift:40:23: warning: static property 'up' is not concurrency-safe because non-'Sendable' type 'Stem' may have shared mutable state; this is an error in the Swift 6 language mode
11 | /// relative-y that would flip a stem instead of shortening it are ignored. A stem element
12 | /// associated with a rest refers to a stemlet.
13 | public struct Stem {
   |               `- note: consider making struct 'Stem' conform to the 'Sendable' protocol
14 |     // MARK: - Instance Properties
15 |
   :
38 |     // MARK: Type Properties
39 |
40 |     public static let up = Stem(.up)
   |                       |- warning: static property 'up' is not concurrency-safe because non-'Sendable' type 'Stem' may have shared mutable state; this is an error in the Swift 6 language mode
   |                       |- note: annotate 'up' with '@MainActor' if property should only be accessed from the main actor
   |                       `- note: disable concurrency-safety checks if accesses are protected by an external synchronization mechanism
41 |     public static let down = Stem(.down)
42 |     public static let double = Stem(.double)
/host/spi-builder-workspace/Sources/MusicXML/Complex Types/Stem.swift:41:23: warning: static property 'down' is not concurrency-safe because non-'Sendable' type 'Stem' may have shared mutable state; this is an error in the Swift 6 language mode
11 | /// relative-y that would flip a stem instead of shortening it are ignored. A stem element
12 | /// associated with a rest refers to a stemlet.
13 | public struct Stem {
   |               `- note: consider making struct 'Stem' conform to the 'Sendable' protocol
14 |     // MARK: - Instance Properties
15 |
   :
39 |
40 |     public static let up = Stem(.up)
41 |     public static let down = Stem(.down)
   |                       |- warning: static property 'down' is not concurrency-safe because non-'Sendable' type 'Stem' may have shared mutable state; this is an error in the Swift 6 language mode
   |                       |- note: annotate 'down' with '@MainActor' if property should only be accessed from the main actor
   |                       `- note: disable concurrency-safety checks if accesses are protected by an external synchronization mechanism
42 |     public static let double = Stem(.double)
43 |     public static let none = Stem(.none)
/host/spi-builder-workspace/Sources/MusicXML/Complex Types/Stem.swift:42:23: warning: static property 'double' is not concurrency-safe because non-'Sendable' type 'Stem' may have shared mutable state; this is an error in the Swift 6 language mode
11 | /// relative-y that would flip a stem instead of shortening it are ignored. A stem element
12 | /// associated with a rest refers to a stemlet.
13 | public struct Stem {
   |               `- note: consider making struct 'Stem' conform to the 'Sendable' protocol
14 |     // MARK: - Instance Properties
15 |
   :
40 |     public static let up = Stem(.up)
41 |     public static let down = Stem(.down)
42 |     public static let double = Stem(.double)
   |                       |- warning: static property 'double' is not concurrency-safe because non-'Sendable' type 'Stem' may have shared mutable state; this is an error in the Swift 6 language mode
   |                       |- note: annotate 'double' with '@MainActor' if property should only be accessed from the main actor
   |                       `- note: disable concurrency-safety checks if accesses are protected by an external synchronization mechanism
43 |     public static let none = Stem(.none)
44 | }
/host/spi-builder-workspace/Sources/MusicXML/Complex Types/Stem.swift:43:23: warning: static property 'none' is not concurrency-safe because non-'Sendable' type 'Stem' may have shared mutable state; this is an error in the Swift 6 language mode
11 | /// relative-y that would flip a stem instead of shortening it are ignored. A stem element
12 | /// associated with a rest refers to a stemlet.
13 | public struct Stem {
   |               `- note: consider making struct 'Stem' conform to the 'Sendable' protocol
14 |     // MARK: - Instance Properties
15 |
   :
41 |     public static let down = Stem(.down)
42 |     public static let double = Stem(.double)
43 |     public static let none = Stem(.none)
   |                       |- warning: static property 'none' is not concurrency-safe because non-'Sendable' type 'Stem' may have shared mutable state; this is an error in the Swift 6 language mode
   |                       |- note: annotate 'none' with '@MainActor' if property should only be accessed from the main actor
   |                       `- note: disable concurrency-safety checks if accesses are protected by an external synchronization mechanism
44 | }
45 |
/host/spi-builder-workspace/Sources/MusicXML/Complex Types/Tie.swift:29:23: warning: static property 'start' is not concurrency-safe because non-'Sendable' type 'Tie' may have shared mutable state; this is an error in the Swift 6 language mode
 8 | /// The tie element indicates that a tie begins or ends with this note. The tie element indicates
 9 | /// sound; the tied element indicates notation.
10 | public struct Tie {
   |               `- note: consider making struct 'Tie' conform to the 'Sendable' protocol
11 |     // MARK: - Instance Properties
12 |
   :
27 |     // MARK: Type Properties
28 |
29 |     public static let start = Tie(.start)
   |                       |- warning: static property 'start' is not concurrency-safe because non-'Sendable' type 'Tie' may have shared mutable state; this is an error in the Swift 6 language mode
   |                       |- note: annotate 'start' with '@MainActor' if property should only be accessed from the main actor
   |                       `- note: disable concurrency-safety checks if accesses are protected by an external synchronization mechanism
30 |     public static let stop = Tie(.stop)
31 | }
/host/spi-builder-workspace/Sources/MusicXML/Complex Types/Tie.swift:30:23: warning: static property 'stop' is not concurrency-safe because non-'Sendable' type 'Tie' may have shared mutable state; this is an error in the Swift 6 language mode
 8 | /// The tie element indicates that a tie begins or ends with this note. The tie element indicates
 9 | /// sound; the tied element indicates notation.
10 | public struct Tie {
   |               `- note: consider making struct 'Tie' conform to the 'Sendable' protocol
11 |     // MARK: - Instance Properties
12 |
   :
28 |
29 |     public static let start = Tie(.start)
30 |     public static let stop = Tie(.stop)
   |                       |- warning: static property 'stop' is not concurrency-safe because non-'Sendable' type 'Tie' may have shared mutable state; this is an error in the Swift 6 language mode
   |                       |- note: annotate 'stop' with '@MainActor' if property should only be accessed from the main actor
   |                       `- note: disable concurrency-safety checks if accesses are protected by an external synchronization mechanism
31 | }
32 |
[363/371] Compiling MusicXML Technical.swift
/host/spi-builder-workspace/Sources/MusicXML/Complex Types/Stem.swift:40:23: warning: static property 'up' is not concurrency-safe because non-'Sendable' type 'Stem' may have shared mutable state; this is an error in the Swift 6 language mode
11 | /// relative-y that would flip a stem instead of shortening it are ignored. A stem element
12 | /// associated with a rest refers to a stemlet.
13 | public struct Stem {
   |               `- note: consider making struct 'Stem' conform to the 'Sendable' protocol
14 |     // MARK: - Instance Properties
15 |
   :
38 |     // MARK: Type Properties
39 |
40 |     public static let up = Stem(.up)
   |                       |- warning: static property 'up' is not concurrency-safe because non-'Sendable' type 'Stem' may have shared mutable state; this is an error in the Swift 6 language mode
   |                       |- note: annotate 'up' with '@MainActor' if property should only be accessed from the main actor
   |                       `- note: disable concurrency-safety checks if accesses are protected by an external synchronization mechanism
41 |     public static let down = Stem(.down)
42 |     public static let double = Stem(.double)
/host/spi-builder-workspace/Sources/MusicXML/Complex Types/Stem.swift:41:23: warning: static property 'down' is not concurrency-safe because non-'Sendable' type 'Stem' may have shared mutable state; this is an error in the Swift 6 language mode
11 | /// relative-y that would flip a stem instead of shortening it are ignored. A stem element
12 | /// associated with a rest refers to a stemlet.
13 | public struct Stem {
   |               `- note: consider making struct 'Stem' conform to the 'Sendable' protocol
14 |     // MARK: - Instance Properties
15 |
   :
39 |
40 |     public static let up = Stem(.up)
41 |     public static let down = Stem(.down)
   |                       |- warning: static property 'down' is not concurrency-safe because non-'Sendable' type 'Stem' may have shared mutable state; this is an error in the Swift 6 language mode
   |                       |- note: annotate 'down' with '@MainActor' if property should only be accessed from the main actor
   |                       `- note: disable concurrency-safety checks if accesses are protected by an external synchronization mechanism
42 |     public static let double = Stem(.double)
43 |     public static let none = Stem(.none)
/host/spi-builder-workspace/Sources/MusicXML/Complex Types/Stem.swift:42:23: warning: static property 'double' is not concurrency-safe because non-'Sendable' type 'Stem' may have shared mutable state; this is an error in the Swift 6 language mode
11 | /// relative-y that would flip a stem instead of shortening it are ignored. A stem element
12 | /// associated with a rest refers to a stemlet.
13 | public struct Stem {
   |               `- note: consider making struct 'Stem' conform to the 'Sendable' protocol
14 |     // MARK: - Instance Properties
15 |
   :
40 |     public static let up = Stem(.up)
41 |     public static let down = Stem(.down)
42 |     public static let double = Stem(.double)
   |                       |- warning: static property 'double' is not concurrency-safe because non-'Sendable' type 'Stem' may have shared mutable state; this is an error in the Swift 6 language mode
   |                       |- note: annotate 'double' with '@MainActor' if property should only be accessed from the main actor
   |                       `- note: disable concurrency-safety checks if accesses are protected by an external synchronization mechanism
43 |     public static let none = Stem(.none)
44 | }
/host/spi-builder-workspace/Sources/MusicXML/Complex Types/Stem.swift:43:23: warning: static property 'none' is not concurrency-safe because non-'Sendable' type 'Stem' may have shared mutable state; this is an error in the Swift 6 language mode
11 | /// relative-y that would flip a stem instead of shortening it are ignored. A stem element
12 | /// associated with a rest refers to a stemlet.
13 | public struct Stem {
   |               `- note: consider making struct 'Stem' conform to the 'Sendable' protocol
14 |     // MARK: - Instance Properties
15 |
   :
41 |     public static let down = Stem(.down)
42 |     public static let double = Stem(.double)
43 |     public static let none = Stem(.none)
   |                       |- warning: static property 'none' is not concurrency-safe because non-'Sendable' type 'Stem' may have shared mutable state; this is an error in the Swift 6 language mode
   |                       |- note: annotate 'none' with '@MainActor' if property should only be accessed from the main actor
   |                       `- note: disable concurrency-safety checks if accesses are protected by an external synchronization mechanism
44 | }
45 |
/host/spi-builder-workspace/Sources/MusicXML/Complex Types/Tie.swift:29:23: warning: static property 'start' is not concurrency-safe because non-'Sendable' type 'Tie' may have shared mutable state; this is an error in the Swift 6 language mode
 8 | /// The tie element indicates that a tie begins or ends with this note. The tie element indicates
 9 | /// sound; the tied element indicates notation.
10 | public struct Tie {
   |               `- note: consider making struct 'Tie' conform to the 'Sendable' protocol
11 |     // MARK: - Instance Properties
12 |
   :
27 |     // MARK: Type Properties
28 |
29 |     public static let start = Tie(.start)
   |                       |- warning: static property 'start' is not concurrency-safe because non-'Sendable' type 'Tie' may have shared mutable state; this is an error in the Swift 6 language mode
   |                       |- note: annotate 'start' with '@MainActor' if property should only be accessed from the main actor
   |                       `- note: disable concurrency-safety checks if accesses are protected by an external synchronization mechanism
30 |     public static let stop = Tie(.stop)
31 | }
/host/spi-builder-workspace/Sources/MusicXML/Complex Types/Tie.swift:30:23: warning: static property 'stop' is not concurrency-safe because non-'Sendable' type 'Tie' may have shared mutable state; this is an error in the Swift 6 language mode
 8 | /// The tie element indicates that a tie begins or ends with this note. The tie element indicates
 9 | /// sound; the tied element indicates notation.
10 | public struct Tie {
   |               `- note: consider making struct 'Tie' conform to the 'Sendable' protocol
11 |     // MARK: - Instance Properties
12 |
   :
28 |
29 |     public static let start = Tie(.start)
30 |     public static let stop = Tie(.stop)
   |                       |- warning: static property 'stop' is not concurrency-safe because non-'Sendable' type 'Tie' may have shared mutable state; this is an error in the Swift 6 language mode
   |                       |- note: annotate 'stop' with '@MainActor' if property should only be accessed from the main actor
   |                       `- note: disable concurrency-safety checks if accesses are protected by an external synchronization mechanism
31 | }
32 |
[364/371] Compiling MusicXML Technique.swift
/host/spi-builder-workspace/Sources/MusicXML/Complex Types/Stem.swift:40:23: warning: static property 'up' is not concurrency-safe because non-'Sendable' type 'Stem' may have shared mutable state; this is an error in the Swift 6 language mode
11 | /// relative-y that would flip a stem instead of shortening it are ignored. A stem element
12 | /// associated with a rest refers to a stemlet.
13 | public struct Stem {
   |               `- note: consider making struct 'Stem' conform to the 'Sendable' protocol
14 |     // MARK: - Instance Properties
15 |
   :
38 |     // MARK: Type Properties
39 |
40 |     public static let up = Stem(.up)
   |                       |- warning: static property 'up' is not concurrency-safe because non-'Sendable' type 'Stem' may have shared mutable state; this is an error in the Swift 6 language mode
   |                       |- note: annotate 'up' with '@MainActor' if property should only be accessed from the main actor
   |                       `- note: disable concurrency-safety checks if accesses are protected by an external synchronization mechanism
41 |     public static let down = Stem(.down)
42 |     public static let double = Stem(.double)
/host/spi-builder-workspace/Sources/MusicXML/Complex Types/Stem.swift:41:23: warning: static property 'down' is not concurrency-safe because non-'Sendable' type 'Stem' may have shared mutable state; this is an error in the Swift 6 language mode
11 | /// relative-y that would flip a stem instead of shortening it are ignored. A stem element
12 | /// associated with a rest refers to a stemlet.
13 | public struct Stem {
   |               `- note: consider making struct 'Stem' conform to the 'Sendable' protocol
14 |     // MARK: - Instance Properties
15 |
   :
39 |
40 |     public static let up = Stem(.up)
41 |     public static let down = Stem(.down)
   |                       |- warning: static property 'down' is not concurrency-safe because non-'Sendable' type 'Stem' may have shared mutable state; this is an error in the Swift 6 language mode
   |                       |- note: annotate 'down' with '@MainActor' if property should only be accessed from the main actor
   |                       `- note: disable concurrency-safety checks if accesses are protected by an external synchronization mechanism
42 |     public static let double = Stem(.double)
43 |     public static let none = Stem(.none)
/host/spi-builder-workspace/Sources/MusicXML/Complex Types/Stem.swift:42:23: warning: static property 'double' is not concurrency-safe because non-'Sendable' type 'Stem' may have shared mutable state; this is an error in the Swift 6 language mode
11 | /// relative-y that would flip a stem instead of shortening it are ignored. A stem element
12 | /// associated with a rest refers to a stemlet.
13 | public struct Stem {
   |               `- note: consider making struct 'Stem' conform to the 'Sendable' protocol
14 |     // MARK: - Instance Properties
15 |
   :
40 |     public static let up = Stem(.up)
41 |     public static let down = Stem(.down)
42 |     public static let double = Stem(.double)
   |                       |- warning: static property 'double' is not concurrency-safe because non-'Sendable' type 'Stem' may have shared mutable state; this is an error in the Swift 6 language mode
   |                       |- note: annotate 'double' with '@MainActor' if property should only be accessed from the main actor
   |                       `- note: disable concurrency-safety checks if accesses are protected by an external synchronization mechanism
43 |     public static let none = Stem(.none)
44 | }
/host/spi-builder-workspace/Sources/MusicXML/Complex Types/Stem.swift:43:23: warning: static property 'none' is not concurrency-safe because non-'Sendable' type 'Stem' may have shared mutable state; this is an error in the Swift 6 language mode
11 | /// relative-y that would flip a stem instead of shortening it are ignored. A stem element
12 | /// associated with a rest refers to a stemlet.
13 | public struct Stem {
   |               `- note: consider making struct 'Stem' conform to the 'Sendable' protocol
14 |     // MARK: - Instance Properties
15 |
   :
41 |     public static let down = Stem(.down)
42 |     public static let double = Stem(.double)
43 |     public static let none = Stem(.none)
   |                       |- warning: static property 'none' is not concurrency-safe because non-'Sendable' type 'Stem' may have shared mutable state; this is an error in the Swift 6 language mode
   |                       |- note: annotate 'none' with '@MainActor' if property should only be accessed from the main actor
   |                       `- note: disable concurrency-safety checks if accesses are protected by an external synchronization mechanism
44 | }
45 |
/host/spi-builder-workspace/Sources/MusicXML/Complex Types/Tie.swift:29:23: warning: static property 'start' is not concurrency-safe because non-'Sendable' type 'Tie' may have shared mutable state; this is an error in the Swift 6 language mode
 8 | /// The tie element indicates that a tie begins or ends with this note. The tie element indicates
 9 | /// sound; the tied element indicates notation.
10 | public struct Tie {
   |               `- note: consider making struct 'Tie' conform to the 'Sendable' protocol
11 |     // MARK: - Instance Properties
12 |
   :
27 |     // MARK: Type Properties
28 |
29 |     public static let start = Tie(.start)
   |                       |- warning: static property 'start' is not concurrency-safe because non-'Sendable' type 'Tie' may have shared mutable state; this is an error in the Swift 6 language mode
   |                       |- note: annotate 'start' with '@MainActor' if property should only be accessed from the main actor
   |                       `- note: disable concurrency-safety checks if accesses are protected by an external synchronization mechanism
30 |     public static let stop = Tie(.stop)
31 | }
/host/spi-builder-workspace/Sources/MusicXML/Complex Types/Tie.swift:30:23: warning: static property 'stop' is not concurrency-safe because non-'Sendable' type 'Tie' may have shared mutable state; this is an error in the Swift 6 language mode
 8 | /// The tie element indicates that a tie begins or ends with this note. The tie element indicates
 9 | /// sound; the tied element indicates notation.
10 | public struct Tie {
   |               `- note: consider making struct 'Tie' conform to the 'Sendable' protocol
11 |     // MARK: - Instance Properties
12 |
   :
28 |
29 |     public static let start = Tie(.start)
30 |     public static let stop = Tie(.stop)
   |                       |- warning: static property 'stop' is not concurrency-safe because non-'Sendable' type 'Tie' may have shared mutable state; this is an error in the Swift 6 language mode
   |                       |- note: annotate 'stop' with '@MainActor' if property should only be accessed from the main actor
   |                       `- note: disable concurrency-safety checks if accesses are protected by an external synchronization mechanism
31 | }
32 |
[365/371] Compiling MusicXML TextDecoration.swift
/host/spi-builder-workspace/Sources/MusicXML/Complex Types/Stem.swift:40:23: warning: static property 'up' is not concurrency-safe because non-'Sendable' type 'Stem' may have shared mutable state; this is an error in the Swift 6 language mode
11 | /// relative-y that would flip a stem instead of shortening it are ignored. A stem element
12 | /// associated with a rest refers to a stemlet.
13 | public struct Stem {
   |               `- note: consider making struct 'Stem' conform to the 'Sendable' protocol
14 |     // MARK: - Instance Properties
15 |
   :
38 |     // MARK: Type Properties
39 |
40 |     public static let up = Stem(.up)
   |                       |- warning: static property 'up' is not concurrency-safe because non-'Sendable' type 'Stem' may have shared mutable state; this is an error in the Swift 6 language mode
   |                       |- note: annotate 'up' with '@MainActor' if property should only be accessed from the main actor
   |                       `- note: disable concurrency-safety checks if accesses are protected by an external synchronization mechanism
41 |     public static let down = Stem(.down)
42 |     public static let double = Stem(.double)
/host/spi-builder-workspace/Sources/MusicXML/Complex Types/Stem.swift:41:23: warning: static property 'down' is not concurrency-safe because non-'Sendable' type 'Stem' may have shared mutable state; this is an error in the Swift 6 language mode
11 | /// relative-y that would flip a stem instead of shortening it are ignored. A stem element
12 | /// associated with a rest refers to a stemlet.
13 | public struct Stem {
   |               `- note: consider making struct 'Stem' conform to the 'Sendable' protocol
14 |     // MARK: - Instance Properties
15 |
   :
39 |
40 |     public static let up = Stem(.up)
41 |     public static let down = Stem(.down)
   |                       |- warning: static property 'down' is not concurrency-safe because non-'Sendable' type 'Stem' may have shared mutable state; this is an error in the Swift 6 language mode
   |                       |- note: annotate 'down' with '@MainActor' if property should only be accessed from the main actor
   |                       `- note: disable concurrency-safety checks if accesses are protected by an external synchronization mechanism
42 |     public static let double = Stem(.double)
43 |     public static let none = Stem(.none)
/host/spi-builder-workspace/Sources/MusicXML/Complex Types/Stem.swift:42:23: warning: static property 'double' is not concurrency-safe because non-'Sendable' type 'Stem' may have shared mutable state; this is an error in the Swift 6 language mode
11 | /// relative-y that would flip a stem instead of shortening it are ignored. A stem element
12 | /// associated with a rest refers to a stemlet.
13 | public struct Stem {
   |               `- note: consider making struct 'Stem' conform to the 'Sendable' protocol
14 |     // MARK: - Instance Properties
15 |
   :
40 |     public static let up = Stem(.up)
41 |     public static let down = Stem(.down)
42 |     public static let double = Stem(.double)
   |                       |- warning: static property 'double' is not concurrency-safe because non-'Sendable' type 'Stem' may have shared mutable state; this is an error in the Swift 6 language mode
   |                       |- note: annotate 'double' with '@MainActor' if property should only be accessed from the main actor
   |                       `- note: disable concurrency-safety checks if accesses are protected by an external synchronization mechanism
43 |     public static let none = Stem(.none)
44 | }
/host/spi-builder-workspace/Sources/MusicXML/Complex Types/Stem.swift:43:23: warning: static property 'none' is not concurrency-safe because non-'Sendable' type 'Stem' may have shared mutable state; this is an error in the Swift 6 language mode
11 | /// relative-y that would flip a stem instead of shortening it are ignored. A stem element
12 | /// associated with a rest refers to a stemlet.
13 | public struct Stem {
   |               `- note: consider making struct 'Stem' conform to the 'Sendable' protocol
14 |     // MARK: - Instance Properties
15 |
   :
41 |     public static let down = Stem(.down)
42 |     public static let double = Stem(.double)
43 |     public static let none = Stem(.none)
   |                       |- warning: static property 'none' is not concurrency-safe because non-'Sendable' type 'Stem' may have shared mutable state; this is an error in the Swift 6 language mode
   |                       |- note: annotate 'none' with '@MainActor' if property should only be accessed from the main actor
   |                       `- note: disable concurrency-safety checks if accesses are protected by an external synchronization mechanism
44 | }
45 |
/host/spi-builder-workspace/Sources/MusicXML/Complex Types/Tie.swift:29:23: warning: static property 'start' is not concurrency-safe because non-'Sendable' type 'Tie' may have shared mutable state; this is an error in the Swift 6 language mode
 8 | /// The tie element indicates that a tie begins or ends with this note. The tie element indicates
 9 | /// sound; the tied element indicates notation.
10 | public struct Tie {
   |               `- note: consider making struct 'Tie' conform to the 'Sendable' protocol
11 |     // MARK: - Instance Properties
12 |
   :
27 |     // MARK: Type Properties
28 |
29 |     public static let start = Tie(.start)
   |                       |- warning: static property 'start' is not concurrency-safe because non-'Sendable' type 'Tie' may have shared mutable state; this is an error in the Swift 6 language mode
   |                       |- note: annotate 'start' with '@MainActor' if property should only be accessed from the main actor
   |                       `- note: disable concurrency-safety checks if accesses are protected by an external synchronization mechanism
30 |     public static let stop = Tie(.stop)
31 | }
/host/spi-builder-workspace/Sources/MusicXML/Complex Types/Tie.swift:30:23: warning: static property 'stop' is not concurrency-safe because non-'Sendable' type 'Tie' may have shared mutable state; this is an error in the Swift 6 language mode
 8 | /// The tie element indicates that a tie begins or ends with this note. The tie element indicates
 9 | /// sound; the tied element indicates notation.
10 | public struct Tie {
   |               `- note: consider making struct 'Tie' conform to the 'Sendable' protocol
11 |     // MARK: - Instance Properties
12 |
   :
28 |
29 |     public static let start = Tie(.start)
30 |     public static let stop = Tie(.stop)
   |                       |- warning: static property 'stop' is not concurrency-safe because non-'Sendable' type 'Tie' may have shared mutable state; this is an error in the Swift 6 language mode
   |                       |- note: annotate 'stop' with '@MainActor' if property should only be accessed from the main actor
   |                       `- note: disable concurrency-safety checks if accesses are protected by an external synchronization mechanism
31 | }
32 |
[366/371] Compiling MusicXML TextElementData.swift
/host/spi-builder-workspace/Sources/MusicXML/Complex Types/Stem.swift:40:23: warning: static property 'up' is not concurrency-safe because non-'Sendable' type 'Stem' may have shared mutable state; this is an error in the Swift 6 language mode
11 | /// relative-y that would flip a stem instead of shortening it are ignored. A stem element
12 | /// associated with a rest refers to a stemlet.
13 | public struct Stem {
   |               `- note: consider making struct 'Stem' conform to the 'Sendable' protocol
14 |     // MARK: - Instance Properties
15 |
   :
38 |     // MARK: Type Properties
39 |
40 |     public static let up = Stem(.up)
   |                       |- warning: static property 'up' is not concurrency-safe because non-'Sendable' type 'Stem' may have shared mutable state; this is an error in the Swift 6 language mode
   |                       |- note: annotate 'up' with '@MainActor' if property should only be accessed from the main actor
   |                       `- note: disable concurrency-safety checks if accesses are protected by an external synchronization mechanism
41 |     public static let down = Stem(.down)
42 |     public static let double = Stem(.double)
/host/spi-builder-workspace/Sources/MusicXML/Complex Types/Stem.swift:41:23: warning: static property 'down' is not concurrency-safe because non-'Sendable' type 'Stem' may have shared mutable state; this is an error in the Swift 6 language mode
11 | /// relative-y that would flip a stem instead of shortening it are ignored. A stem element
12 | /// associated with a rest refers to a stemlet.
13 | public struct Stem {
   |               `- note: consider making struct 'Stem' conform to the 'Sendable' protocol
14 |     // MARK: - Instance Properties
15 |
   :
39 |
40 |     public static let up = Stem(.up)
41 |     public static let down = Stem(.down)
   |                       |- warning: static property 'down' is not concurrency-safe because non-'Sendable' type 'Stem' may have shared mutable state; this is an error in the Swift 6 language mode
   |                       |- note: annotate 'down' with '@MainActor' if property should only be accessed from the main actor
   |                       `- note: disable concurrency-safety checks if accesses are protected by an external synchronization mechanism
42 |     public static let double = Stem(.double)
43 |     public static let none = Stem(.none)
/host/spi-builder-workspace/Sources/MusicXML/Complex Types/Stem.swift:42:23: warning: static property 'double' is not concurrency-safe because non-'Sendable' type 'Stem' may have shared mutable state; this is an error in the Swift 6 language mode
11 | /// relative-y that would flip a stem instead of shortening it are ignored. A stem element
12 | /// associated with a rest refers to a stemlet.
13 | public struct Stem {
   |               `- note: consider making struct 'Stem' conform to the 'Sendable' protocol
14 |     // MARK: - Instance Properties
15 |
   :
40 |     public static let up = Stem(.up)
41 |     public static let down = Stem(.down)
42 |     public static let double = Stem(.double)
   |                       |- warning: static property 'double' is not concurrency-safe because non-'Sendable' type 'Stem' may have shared mutable state; this is an error in the Swift 6 language mode
   |                       |- note: annotate 'double' with '@MainActor' if property should only be accessed from the main actor
   |                       `- note: disable concurrency-safety checks if accesses are protected by an external synchronization mechanism
43 |     public static let none = Stem(.none)
44 | }
/host/spi-builder-workspace/Sources/MusicXML/Complex Types/Stem.swift:43:23: warning: static property 'none' is not concurrency-safe because non-'Sendable' type 'Stem' may have shared mutable state; this is an error in the Swift 6 language mode
11 | /// relative-y that would flip a stem instead of shortening it are ignored. A stem element
12 | /// associated with a rest refers to a stemlet.
13 | public struct Stem {
   |               `- note: consider making struct 'Stem' conform to the 'Sendable' protocol
14 |     // MARK: - Instance Properties
15 |
   :
41 |     public static let down = Stem(.down)
42 |     public static let double = Stem(.double)
43 |     public static let none = Stem(.none)
   |                       |- warning: static property 'none' is not concurrency-safe because non-'Sendable' type 'Stem' may have shared mutable state; this is an error in the Swift 6 language mode
   |                       |- note: annotate 'none' with '@MainActor' if property should only be accessed from the main actor
   |                       `- note: disable concurrency-safety checks if accesses are protected by an external synchronization mechanism
44 | }
45 |
/host/spi-builder-workspace/Sources/MusicXML/Complex Types/Tie.swift:29:23: warning: static property 'start' is not concurrency-safe because non-'Sendable' type 'Tie' may have shared mutable state; this is an error in the Swift 6 language mode
 8 | /// The tie element indicates that a tie begins or ends with this note. The tie element indicates
 9 | /// sound; the tied element indicates notation.
10 | public struct Tie {
   |               `- note: consider making struct 'Tie' conform to the 'Sendable' protocol
11 |     // MARK: - Instance Properties
12 |
   :
27 |     // MARK: Type Properties
28 |
29 |     public static let start = Tie(.start)
   |                       |- warning: static property 'start' is not concurrency-safe because non-'Sendable' type 'Tie' may have shared mutable state; this is an error in the Swift 6 language mode
   |                       |- note: annotate 'start' with '@MainActor' if property should only be accessed from the main actor
   |                       `- note: disable concurrency-safety checks if accesses are protected by an external synchronization mechanism
30 |     public static let stop = Tie(.stop)
31 | }
/host/spi-builder-workspace/Sources/MusicXML/Complex Types/Tie.swift:30:23: warning: static property 'stop' is not concurrency-safe because non-'Sendable' type 'Tie' may have shared mutable state; this is an error in the Swift 6 language mode
 8 | /// The tie element indicates that a tie begins or ends with this note. The tie element indicates
 9 | /// sound; the tied element indicates notation.
10 | public struct Tie {
   |               `- note: consider making struct 'Tie' conform to the 'Sendable' protocol
11 |     // MARK: - Instance Properties
12 |
   :
28 |
29 |     public static let start = Tie(.start)
30 |     public static let stop = Tie(.stop)
   |                       |- warning: static property 'stop' is not concurrency-safe because non-'Sendable' type 'Tie' may have shared mutable state; this is an error in the Swift 6 language mode
   |                       |- note: annotate 'stop' with '@MainActor' if property should only be accessed from the main actor
   |                       `- note: disable concurrency-safety checks if accesses are protected by an external synchronization mechanism
31 | }
32 |
[367/371] Compiling MusicXML TextFontColor.swift
/host/spi-builder-workspace/Sources/MusicXML/Complex Types/Stem.swift:40:23: warning: static property 'up' is not concurrency-safe because non-'Sendable' type 'Stem' may have shared mutable state; this is an error in the Swift 6 language mode
11 | /// relative-y that would flip a stem instead of shortening it are ignored. A stem element
12 | /// associated with a rest refers to a stemlet.
13 | public struct Stem {
   |               `- note: consider making struct 'Stem' conform to the 'Sendable' protocol
14 |     // MARK: - Instance Properties
15 |
   :
38 |     // MARK: Type Properties
39 |
40 |     public static let up = Stem(.up)
   |                       |- warning: static property 'up' is not concurrency-safe because non-'Sendable' type 'Stem' may have shared mutable state; this is an error in the Swift 6 language mode
   |                       |- note: annotate 'up' with '@MainActor' if property should only be accessed from the main actor
   |                       `- note: disable concurrency-safety checks if accesses are protected by an external synchronization mechanism
41 |     public static let down = Stem(.down)
42 |     public static let double = Stem(.double)
/host/spi-builder-workspace/Sources/MusicXML/Complex Types/Stem.swift:41:23: warning: static property 'down' is not concurrency-safe because non-'Sendable' type 'Stem' may have shared mutable state; this is an error in the Swift 6 language mode
11 | /// relative-y that would flip a stem instead of shortening it are ignored. A stem element
12 | /// associated with a rest refers to a stemlet.
13 | public struct Stem {
   |               `- note: consider making struct 'Stem' conform to the 'Sendable' protocol
14 |     // MARK: - Instance Properties
15 |
   :
39 |
40 |     public static let up = Stem(.up)
41 |     public static let down = Stem(.down)
   |                       |- warning: static property 'down' is not concurrency-safe because non-'Sendable' type 'Stem' may have shared mutable state; this is an error in the Swift 6 language mode
   |                       |- note: annotate 'down' with '@MainActor' if property should only be accessed from the main actor
   |                       `- note: disable concurrency-safety checks if accesses are protected by an external synchronization mechanism
42 |     public static let double = Stem(.double)
43 |     public static let none = Stem(.none)
/host/spi-builder-workspace/Sources/MusicXML/Complex Types/Stem.swift:42:23: warning: static property 'double' is not concurrency-safe because non-'Sendable' type 'Stem' may have shared mutable state; this is an error in the Swift 6 language mode
11 | /// relative-y that would flip a stem instead of shortening it are ignored. A stem element
12 | /// associated with a rest refers to a stemlet.
13 | public struct Stem {
   |               `- note: consider making struct 'Stem' conform to the 'Sendable' protocol
14 |     // MARK: - Instance Properties
15 |
   :
40 |     public static let up = Stem(.up)
41 |     public static let down = Stem(.down)
42 |     public static let double = Stem(.double)
   |                       |- warning: static property 'double' is not concurrency-safe because non-'Sendable' type 'Stem' may have shared mutable state; this is an error in the Swift 6 language mode
   |                       |- note: annotate 'double' with '@MainActor' if property should only be accessed from the main actor
   |                       `- note: disable concurrency-safety checks if accesses are protected by an external synchronization mechanism
43 |     public static let none = Stem(.none)
44 | }
/host/spi-builder-workspace/Sources/MusicXML/Complex Types/Stem.swift:43:23: warning: static property 'none' is not concurrency-safe because non-'Sendable' type 'Stem' may have shared mutable state; this is an error in the Swift 6 language mode
11 | /// relative-y that would flip a stem instead of shortening it are ignored. A stem element
12 | /// associated with a rest refers to a stemlet.
13 | public struct Stem {
   |               `- note: consider making struct 'Stem' conform to the 'Sendable' protocol
14 |     // MARK: - Instance Properties
15 |
   :
41 |     public static let down = Stem(.down)
42 |     public static let double = Stem(.double)
43 |     public static let none = Stem(.none)
   |                       |- warning: static property 'none' is not concurrency-safe because non-'Sendable' type 'Stem' may have shared mutable state; this is an error in the Swift 6 language mode
   |                       |- note: annotate 'none' with '@MainActor' if property should only be accessed from the main actor
   |                       `- note: disable concurrency-safety checks if accesses are protected by an external synchronization mechanism
44 | }
45 |
/host/spi-builder-workspace/Sources/MusicXML/Complex Types/Tie.swift:29:23: warning: static property 'start' is not concurrency-safe because non-'Sendable' type 'Tie' may have shared mutable state; this is an error in the Swift 6 language mode
 8 | /// The tie element indicates that a tie begins or ends with this note. The tie element indicates
 9 | /// sound; the tied element indicates notation.
10 | public struct Tie {
   |               `- note: consider making struct 'Tie' conform to the 'Sendable' protocol
11 |     // MARK: - Instance Properties
12 |
   :
27 |     // MARK: Type Properties
28 |
29 |     public static let start = Tie(.start)
   |                       |- warning: static property 'start' is not concurrency-safe because non-'Sendable' type 'Tie' may have shared mutable state; this is an error in the Swift 6 language mode
   |                       |- note: annotate 'start' with '@MainActor' if property should only be accessed from the main actor
   |                       `- note: disable concurrency-safety checks if accesses are protected by an external synchronization mechanism
30 |     public static let stop = Tie(.stop)
31 | }
/host/spi-builder-workspace/Sources/MusicXML/Complex Types/Tie.swift:30:23: warning: static property 'stop' is not concurrency-safe because non-'Sendable' type 'Tie' may have shared mutable state; this is an error in the Swift 6 language mode
 8 | /// The tie element indicates that a tie begins or ends with this note. The tie element indicates
 9 | /// sound; the tied element indicates notation.
10 | public struct Tie {
   |               `- note: consider making struct 'Tie' conform to the 'Sendable' protocol
11 |     // MARK: - Instance Properties
12 |
   :
28 |
29 |     public static let start = Tie(.start)
30 |     public static let stop = Tie(.stop)
   |                       |- warning: static property 'stop' is not concurrency-safe because non-'Sendable' type 'Tie' may have shared mutable state; this is an error in the Swift 6 language mode
   |                       |- note: annotate 'stop' with '@MainActor' if property should only be accessed from the main actor
   |                       `- note: disable concurrency-safety checks if accesses are protected by an external synchronization mechanism
31 | }
32 |
[368/371] Compiling MusicXML Tie.swift
/host/spi-builder-workspace/Sources/MusicXML/Complex Types/Stem.swift:40:23: warning: static property 'up' is not concurrency-safe because non-'Sendable' type 'Stem' may have shared mutable state; this is an error in the Swift 6 language mode
11 | /// relative-y that would flip a stem instead of shortening it are ignored. A stem element
12 | /// associated with a rest refers to a stemlet.
13 | public struct Stem {
   |               `- note: consider making struct 'Stem' conform to the 'Sendable' protocol
14 |     // MARK: - Instance Properties
15 |
   :
38 |     // MARK: Type Properties
39 |
40 |     public static let up = Stem(.up)
   |                       |- warning: static property 'up' is not concurrency-safe because non-'Sendable' type 'Stem' may have shared mutable state; this is an error in the Swift 6 language mode
   |                       |- note: annotate 'up' with '@MainActor' if property should only be accessed from the main actor
   |                       `- note: disable concurrency-safety checks if accesses are protected by an external synchronization mechanism
41 |     public static let down = Stem(.down)
42 |     public static let double = Stem(.double)
/host/spi-builder-workspace/Sources/MusicXML/Complex Types/Stem.swift:41:23: warning: static property 'down' is not concurrency-safe because non-'Sendable' type 'Stem' may have shared mutable state; this is an error in the Swift 6 language mode
11 | /// relative-y that would flip a stem instead of shortening it are ignored. A stem element
12 | /// associated with a rest refers to a stemlet.
13 | public struct Stem {
   |               `- note: consider making struct 'Stem' conform to the 'Sendable' protocol
14 |     // MARK: - Instance Properties
15 |
   :
39 |
40 |     public static let up = Stem(.up)
41 |     public static let down = Stem(.down)
   |                       |- warning: static property 'down' is not concurrency-safe because non-'Sendable' type 'Stem' may have shared mutable state; this is an error in the Swift 6 language mode
   |                       |- note: annotate 'down' with '@MainActor' if property should only be accessed from the main actor
   |                       `- note: disable concurrency-safety checks if accesses are protected by an external synchronization mechanism
42 |     public static let double = Stem(.double)
43 |     public static let none = Stem(.none)
/host/spi-builder-workspace/Sources/MusicXML/Complex Types/Stem.swift:42:23: warning: static property 'double' is not concurrency-safe because non-'Sendable' type 'Stem' may have shared mutable state; this is an error in the Swift 6 language mode
11 | /// relative-y that would flip a stem instead of shortening it are ignored. A stem element
12 | /// associated with a rest refers to a stemlet.
13 | public struct Stem {
   |               `- note: consider making struct 'Stem' conform to the 'Sendable' protocol
14 |     // MARK: - Instance Properties
15 |
   :
40 |     public static let up = Stem(.up)
41 |     public static let down = Stem(.down)
42 |     public static let double = Stem(.double)
   |                       |- warning: static property 'double' is not concurrency-safe because non-'Sendable' type 'Stem' may have shared mutable state; this is an error in the Swift 6 language mode
   |                       |- note: annotate 'double' with '@MainActor' if property should only be accessed from the main actor
   |                       `- note: disable concurrency-safety checks if accesses are protected by an external synchronization mechanism
43 |     public static let none = Stem(.none)
44 | }
/host/spi-builder-workspace/Sources/MusicXML/Complex Types/Stem.swift:43:23: warning: static property 'none' is not concurrency-safe because non-'Sendable' type 'Stem' may have shared mutable state; this is an error in the Swift 6 language mode
11 | /// relative-y that would flip a stem instead of shortening it are ignored. A stem element
12 | /// associated with a rest refers to a stemlet.
13 | public struct Stem {
   |               `- note: consider making struct 'Stem' conform to the 'Sendable' protocol
14 |     // MARK: - Instance Properties
15 |
   :
41 |     public static let down = Stem(.down)
42 |     public static let double = Stem(.double)
43 |     public static let none = Stem(.none)
   |                       |- warning: static property 'none' is not concurrency-safe because non-'Sendable' type 'Stem' may have shared mutable state; this is an error in the Swift 6 language mode
   |                       |- note: annotate 'none' with '@MainActor' if property should only be accessed from the main actor
   |                       `- note: disable concurrency-safety checks if accesses are protected by an external synchronization mechanism
44 | }
45 |
/host/spi-builder-workspace/Sources/MusicXML/Complex Types/Tie.swift:29:23: warning: static property 'start' is not concurrency-safe because non-'Sendable' type 'Tie' may have shared mutable state; this is an error in the Swift 6 language mode
 8 | /// The tie element indicates that a tie begins or ends with this note. The tie element indicates
 9 | /// sound; the tied element indicates notation.
10 | public struct Tie {
   |               `- note: consider making struct 'Tie' conform to the 'Sendable' protocol
11 |     // MARK: - Instance Properties
12 |
   :
27 |     // MARK: Type Properties
28 |
29 |     public static let start = Tie(.start)
   |                       |- warning: static property 'start' is not concurrency-safe because non-'Sendable' type 'Tie' may have shared mutable state; this is an error in the Swift 6 language mode
   |                       |- note: annotate 'start' with '@MainActor' if property should only be accessed from the main actor
   |                       `- note: disable concurrency-safety checks if accesses are protected by an external synchronization mechanism
30 |     public static let stop = Tie(.stop)
31 | }
/host/spi-builder-workspace/Sources/MusicXML/Complex Types/Tie.swift:30:23: warning: static property 'stop' is not concurrency-safe because non-'Sendable' type 'Tie' may have shared mutable state; this is an error in the Swift 6 language mode
 8 | /// The tie element indicates that a tie begins or ends with this note. The tie element indicates
 9 | /// sound; the tied element indicates notation.
10 | public struct Tie {
   |               `- note: consider making struct 'Tie' conform to the 'Sendable' protocol
11 |     // MARK: - Instance Properties
12 |
   :
28 |
29 |     public static let start = Tie(.start)
30 |     public static let stop = Tie(.stop)
   |                       |- warning: static property 'stop' is not concurrency-safe because non-'Sendable' type 'Tie' may have shared mutable state; this is an error in the Swift 6 language mode
   |                       |- note: annotate 'stop' with '@MainActor' if property should only be accessed from the main actor
   |                       `- note: disable concurrency-safety checks if accesses are protected by an external synchronization mechanism
31 | }
32 |
[369/371] Compiling MusicXML Tied.swift
/host/spi-builder-workspace/Sources/MusicXML/Complex Types/Stem.swift:40:23: warning: static property 'up' is not concurrency-safe because non-'Sendable' type 'Stem' may have shared mutable state; this is an error in the Swift 6 language mode
11 | /// relative-y that would flip a stem instead of shortening it are ignored. A stem element
12 | /// associated with a rest refers to a stemlet.
13 | public struct Stem {
   |               `- note: consider making struct 'Stem' conform to the 'Sendable' protocol
14 |     // MARK: - Instance Properties
15 |
   :
38 |     // MARK: Type Properties
39 |
40 |     public static let up = Stem(.up)
   |                       |- warning: static property 'up' is not concurrency-safe because non-'Sendable' type 'Stem' may have shared mutable state; this is an error in the Swift 6 language mode
   |                       |- note: annotate 'up' with '@MainActor' if property should only be accessed from the main actor
   |                       `- note: disable concurrency-safety checks if accesses are protected by an external synchronization mechanism
41 |     public static let down = Stem(.down)
42 |     public static let double = Stem(.double)
/host/spi-builder-workspace/Sources/MusicXML/Complex Types/Stem.swift:41:23: warning: static property 'down' is not concurrency-safe because non-'Sendable' type 'Stem' may have shared mutable state; this is an error in the Swift 6 language mode
11 | /// relative-y that would flip a stem instead of shortening it are ignored. A stem element
12 | /// associated with a rest refers to a stemlet.
13 | public struct Stem {
   |               `- note: consider making struct 'Stem' conform to the 'Sendable' protocol
14 |     // MARK: - Instance Properties
15 |
   :
39 |
40 |     public static let up = Stem(.up)
41 |     public static let down = Stem(.down)
   |                       |- warning: static property 'down' is not concurrency-safe because non-'Sendable' type 'Stem' may have shared mutable state; this is an error in the Swift 6 language mode
   |                       |- note: annotate 'down' with '@MainActor' if property should only be accessed from the main actor
   |                       `- note: disable concurrency-safety checks if accesses are protected by an external synchronization mechanism
42 |     public static let double = Stem(.double)
43 |     public static let none = Stem(.none)
/host/spi-builder-workspace/Sources/MusicXML/Complex Types/Stem.swift:42:23: warning: static property 'double' is not concurrency-safe because non-'Sendable' type 'Stem' may have shared mutable state; this is an error in the Swift 6 language mode
11 | /// relative-y that would flip a stem instead of shortening it are ignored. A stem element
12 | /// associated with a rest refers to a stemlet.
13 | public struct Stem {
   |               `- note: consider making struct 'Stem' conform to the 'Sendable' protocol
14 |     // MARK: - Instance Properties
15 |
   :
40 |     public static let up = Stem(.up)
41 |     public static let down = Stem(.down)
42 |     public static let double = Stem(.double)
   |                       |- warning: static property 'double' is not concurrency-safe because non-'Sendable' type 'Stem' may have shared mutable state; this is an error in the Swift 6 language mode
   |                       |- note: annotate 'double' with '@MainActor' if property should only be accessed from the main actor
   |                       `- note: disable concurrency-safety checks if accesses are protected by an external synchronization mechanism
43 |     public static let none = Stem(.none)
44 | }
/host/spi-builder-workspace/Sources/MusicXML/Complex Types/Stem.swift:43:23: warning: static property 'none' is not concurrency-safe because non-'Sendable' type 'Stem' may have shared mutable state; this is an error in the Swift 6 language mode
11 | /// relative-y that would flip a stem instead of shortening it are ignored. A stem element
12 | /// associated with a rest refers to a stemlet.
13 | public struct Stem {
   |               `- note: consider making struct 'Stem' conform to the 'Sendable' protocol
14 |     // MARK: - Instance Properties
15 |
   :
41 |     public static let down = Stem(.down)
42 |     public static let double = Stem(.double)
43 |     public static let none = Stem(.none)
   |                       |- warning: static property 'none' is not concurrency-safe because non-'Sendable' type 'Stem' may have shared mutable state; this is an error in the Swift 6 language mode
   |                       |- note: annotate 'none' with '@MainActor' if property should only be accessed from the main actor
   |                       `- note: disable concurrency-safety checks if accesses are protected by an external synchronization mechanism
44 | }
45 |
/host/spi-builder-workspace/Sources/MusicXML/Complex Types/Tie.swift:29:23: warning: static property 'start' is not concurrency-safe because non-'Sendable' type 'Tie' may have shared mutable state; this is an error in the Swift 6 language mode
 8 | /// The tie element indicates that a tie begins or ends with this note. The tie element indicates
 9 | /// sound; the tied element indicates notation.
10 | public struct Tie {
   |               `- note: consider making struct 'Tie' conform to the 'Sendable' protocol
11 |     // MARK: - Instance Properties
12 |
   :
27 |     // MARK: Type Properties
28 |
29 |     public static let start = Tie(.start)
   |                       |- warning: static property 'start' is not concurrency-safe because non-'Sendable' type 'Tie' may have shared mutable state; this is an error in the Swift 6 language mode
   |                       |- note: annotate 'start' with '@MainActor' if property should only be accessed from the main actor
   |                       `- note: disable concurrency-safety checks if accesses are protected by an external synchronization mechanism
30 |     public static let stop = Tie(.stop)
31 | }
/host/spi-builder-workspace/Sources/MusicXML/Complex Types/Tie.swift:30:23: warning: static property 'stop' is not concurrency-safe because non-'Sendable' type 'Tie' may have shared mutable state; this is an error in the Swift 6 language mode
 8 | /// The tie element indicates that a tie begins or ends with this note. The tie element indicates
 9 | /// sound; the tied element indicates notation.
10 | public struct Tie {
   |               `- note: consider making struct 'Tie' conform to the 'Sendable' protocol
11 |     // MARK: - Instance Properties
12 |
   :
28 |
29 |     public static let start = Tie(.start)
30 |     public static let stop = Tie(.stop)
   |                       |- warning: static property 'stop' is not concurrency-safe because non-'Sendable' type 'Tie' may have shared mutable state; this is an error in the Swift 6 language mode
   |                       |- note: annotate 'stop' with '@MainActor' if property should only be accessed from the main actor
   |                       `- note: disable concurrency-safety checks if accesses are protected by an external synchronization mechanism
31 | }
32 |
[370/371] Compiling MusicXML Ties.swift
/host/spi-builder-workspace/Sources/MusicXML/Complex Types/Stem.swift:40:23: warning: static property 'up' is not concurrency-safe because non-'Sendable' type 'Stem' may have shared mutable state; this is an error in the Swift 6 language mode
11 | /// relative-y that would flip a stem instead of shortening it are ignored. A stem element
12 | /// associated with a rest refers to a stemlet.
13 | public struct Stem {
   |               `- note: consider making struct 'Stem' conform to the 'Sendable' protocol
14 |     // MARK: - Instance Properties
15 |
   :
38 |     // MARK: Type Properties
39 |
40 |     public static let up = Stem(.up)
   |                       |- warning: static property 'up' is not concurrency-safe because non-'Sendable' type 'Stem' may have shared mutable state; this is an error in the Swift 6 language mode
   |                       |- note: annotate 'up' with '@MainActor' if property should only be accessed from the main actor
   |                       `- note: disable concurrency-safety checks if accesses are protected by an external synchronization mechanism
41 |     public static let down = Stem(.down)
42 |     public static let double = Stem(.double)
/host/spi-builder-workspace/Sources/MusicXML/Complex Types/Stem.swift:41:23: warning: static property 'down' is not concurrency-safe because non-'Sendable' type 'Stem' may have shared mutable state; this is an error in the Swift 6 language mode
11 | /// relative-y that would flip a stem instead of shortening it are ignored. A stem element
12 | /// associated with a rest refers to a stemlet.
13 | public struct Stem {
   |               `- note: consider making struct 'Stem' conform to the 'Sendable' protocol
14 |     // MARK: - Instance Properties
15 |
   :
39 |
40 |     public static let up = Stem(.up)
41 |     public static let down = Stem(.down)
   |                       |- warning: static property 'down' is not concurrency-safe because non-'Sendable' type 'Stem' may have shared mutable state; this is an error in the Swift 6 language mode
   |                       |- note: annotate 'down' with '@MainActor' if property should only be accessed from the main actor
   |                       `- note: disable concurrency-safety checks if accesses are protected by an external synchronization mechanism
42 |     public static let double = Stem(.double)
43 |     public static let none = Stem(.none)
/host/spi-builder-workspace/Sources/MusicXML/Complex Types/Stem.swift:42:23: warning: static property 'double' is not concurrency-safe because non-'Sendable' type 'Stem' may have shared mutable state; this is an error in the Swift 6 language mode
11 | /// relative-y that would flip a stem instead of shortening it are ignored. A stem element
12 | /// associated with a rest refers to a stemlet.
13 | public struct Stem {
   |               `- note: consider making struct 'Stem' conform to the 'Sendable' protocol
14 |     // MARK: - Instance Properties
15 |
   :
40 |     public static let up = Stem(.up)
41 |     public static let down = Stem(.down)
42 |     public static let double = Stem(.double)
   |                       |- warning: static property 'double' is not concurrency-safe because non-'Sendable' type 'Stem' may have shared mutable state; this is an error in the Swift 6 language mode
   |                       |- note: annotate 'double' with '@MainActor' if property should only be accessed from the main actor
   |                       `- note: disable concurrency-safety checks if accesses are protected by an external synchronization mechanism
43 |     public static let none = Stem(.none)
44 | }
/host/spi-builder-workspace/Sources/MusicXML/Complex Types/Stem.swift:43:23: warning: static property 'none' is not concurrency-safe because non-'Sendable' type 'Stem' may have shared mutable state; this is an error in the Swift 6 language mode
11 | /// relative-y that would flip a stem instead of shortening it are ignored. A stem element
12 | /// associated with a rest refers to a stemlet.
13 | public struct Stem {
   |               `- note: consider making struct 'Stem' conform to the 'Sendable' protocol
14 |     // MARK: - Instance Properties
15 |
   :
41 |     public static let down = Stem(.down)
42 |     public static let double = Stem(.double)
43 |     public static let none = Stem(.none)
   |                       |- warning: static property 'none' is not concurrency-safe because non-'Sendable' type 'Stem' may have shared mutable state; this is an error in the Swift 6 language mode
   |                       |- note: annotate 'none' with '@MainActor' if property should only be accessed from the main actor
   |                       `- note: disable concurrency-safety checks if accesses are protected by an external synchronization mechanism
44 | }
45 |
/host/spi-builder-workspace/Sources/MusicXML/Complex Types/Tie.swift:29:23: warning: static property 'start' is not concurrency-safe because non-'Sendable' type 'Tie' may have shared mutable state; this is an error in the Swift 6 language mode
 8 | /// The tie element indicates that a tie begins or ends with this note. The tie element indicates
 9 | /// sound; the tied element indicates notation.
10 | public struct Tie {
   |               `- note: consider making struct 'Tie' conform to the 'Sendable' protocol
11 |     // MARK: - Instance Properties
12 |
   :
27 |     // MARK: Type Properties
28 |
29 |     public static let start = Tie(.start)
   |                       |- warning: static property 'start' is not concurrency-safe because non-'Sendable' type 'Tie' may have shared mutable state; this is an error in the Swift 6 language mode
   |                       |- note: annotate 'start' with '@MainActor' if property should only be accessed from the main actor
   |                       `- note: disable concurrency-safety checks if accesses are protected by an external synchronization mechanism
30 |     public static let stop = Tie(.stop)
31 | }
/host/spi-builder-workspace/Sources/MusicXML/Complex Types/Tie.swift:30:23: warning: static property 'stop' is not concurrency-safe because non-'Sendable' type 'Tie' may have shared mutable state; this is an error in the Swift 6 language mode
 8 | /// The tie element indicates that a tie begins or ends with this note. The tie element indicates
 9 | /// sound; the tied element indicates notation.
10 | public struct Tie {
   |               `- note: consider making struct 'Tie' conform to the 'Sendable' protocol
11 |     // MARK: - Instance Properties
12 |
   :
28 |
29 |     public static let start = Tie(.start)
30 |     public static let stop = Tie(.stop)
   |                       |- warning: static property 'stop' is not concurrency-safe because non-'Sendable' type 'Tie' may have shared mutable state; this is an error in the Swift 6 language mode
   |                       |- note: annotate 'stop' with '@MainActor' if property should only be accessed from the main actor
   |                       `- note: disable concurrency-safety checks if accesses are protected by an external synchronization mechanism
31 | }
32 |
[371/371] Compiling MusicXML Time.swift
/host/spi-builder-workspace/Sources/MusicXML/Complex Types/Stem.swift:40:23: warning: static property 'up' is not concurrency-safe because non-'Sendable' type 'Stem' may have shared mutable state; this is an error in the Swift 6 language mode
11 | /// relative-y that would flip a stem instead of shortening it are ignored. A stem element
12 | /// associated with a rest refers to a stemlet.
13 | public struct Stem {
   |               `- note: consider making struct 'Stem' conform to the 'Sendable' protocol
14 |     // MARK: - Instance Properties
15 |
   :
38 |     // MARK: Type Properties
39 |
40 |     public static let up = Stem(.up)
   |                       |- warning: static property 'up' is not concurrency-safe because non-'Sendable' type 'Stem' may have shared mutable state; this is an error in the Swift 6 language mode
   |                       |- note: annotate 'up' with '@MainActor' if property should only be accessed from the main actor
   |                       `- note: disable concurrency-safety checks if accesses are protected by an external synchronization mechanism
41 |     public static let down = Stem(.down)
42 |     public static let double = Stem(.double)
/host/spi-builder-workspace/Sources/MusicXML/Complex Types/Stem.swift:41:23: warning: static property 'down' is not concurrency-safe because non-'Sendable' type 'Stem' may have shared mutable state; this is an error in the Swift 6 language mode
11 | /// relative-y that would flip a stem instead of shortening it are ignored. A stem element
12 | /// associated with a rest refers to a stemlet.
13 | public struct Stem {
   |               `- note: consider making struct 'Stem' conform to the 'Sendable' protocol
14 |     // MARK: - Instance Properties
15 |
   :
39 |
40 |     public static let up = Stem(.up)
41 |     public static let down = Stem(.down)
   |                       |- warning: static property 'down' is not concurrency-safe because non-'Sendable' type 'Stem' may have shared mutable state; this is an error in the Swift 6 language mode
   |                       |- note: annotate 'down' with '@MainActor' if property should only be accessed from the main actor
   |                       `- note: disable concurrency-safety checks if accesses are protected by an external synchronization mechanism
42 |     public static let double = Stem(.double)
43 |     public static let none = Stem(.none)
/host/spi-builder-workspace/Sources/MusicXML/Complex Types/Stem.swift:42:23: warning: static property 'double' is not concurrency-safe because non-'Sendable' type 'Stem' may have shared mutable state; this is an error in the Swift 6 language mode
11 | /// relative-y that would flip a stem instead of shortening it are ignored. A stem element
12 | /// associated with a rest refers to a stemlet.
13 | public struct Stem {
   |               `- note: consider making struct 'Stem' conform to the 'Sendable' protocol
14 |     // MARK: - Instance Properties
15 |
   :
40 |     public static let up = Stem(.up)
41 |     public static let down = Stem(.down)
42 |     public static let double = Stem(.double)
   |                       |- warning: static property 'double' is not concurrency-safe because non-'Sendable' type 'Stem' may have shared mutable state; this is an error in the Swift 6 language mode
   |                       |- note: annotate 'double' with '@MainActor' if property should only be accessed from the main actor
   |                       `- note: disable concurrency-safety checks if accesses are protected by an external synchronization mechanism
43 |     public static let none = Stem(.none)
44 | }
/host/spi-builder-workspace/Sources/MusicXML/Complex Types/Stem.swift:43:23: warning: static property 'none' is not concurrency-safe because non-'Sendable' type 'Stem' may have shared mutable state; this is an error in the Swift 6 language mode
11 | /// relative-y that would flip a stem instead of shortening it are ignored. A stem element
12 | /// associated with a rest refers to a stemlet.
13 | public struct Stem {
   |               `- note: consider making struct 'Stem' conform to the 'Sendable' protocol
14 |     // MARK: - Instance Properties
15 |
   :
41 |     public static let down = Stem(.down)
42 |     public static let double = Stem(.double)
43 |     public static let none = Stem(.none)
   |                       |- warning: static property 'none' is not concurrency-safe because non-'Sendable' type 'Stem' may have shared mutable state; this is an error in the Swift 6 language mode
   |                       |- note: annotate 'none' with '@MainActor' if property should only be accessed from the main actor
   |                       `- note: disable concurrency-safety checks if accesses are protected by an external synchronization mechanism
44 | }
45 |
/host/spi-builder-workspace/Sources/MusicXML/Complex Types/Tie.swift:29:23: warning: static property 'start' is not concurrency-safe because non-'Sendable' type 'Tie' may have shared mutable state; this is an error in the Swift 6 language mode
 8 | /// The tie element indicates that a tie begins or ends with this note. The tie element indicates
 9 | /// sound; the tied element indicates notation.
10 | public struct Tie {
   |               `- note: consider making struct 'Tie' conform to the 'Sendable' protocol
11 |     // MARK: - Instance Properties
12 |
   :
27 |     // MARK: Type Properties
28 |
29 |     public static let start = Tie(.start)
   |                       |- warning: static property 'start' is not concurrency-safe because non-'Sendable' type 'Tie' may have shared mutable state; this is an error in the Swift 6 language mode
   |                       |- note: annotate 'start' with '@MainActor' if property should only be accessed from the main actor
   |                       `- note: disable concurrency-safety checks if accesses are protected by an external synchronization mechanism
30 |     public static let stop = Tie(.stop)
31 | }
/host/spi-builder-workspace/Sources/MusicXML/Complex Types/Tie.swift:30:23: warning: static property 'stop' is not concurrency-safe because non-'Sendable' type 'Tie' may have shared mutable state; this is an error in the Swift 6 language mode
 8 | /// The tie element indicates that a tie begins or ends with this note. The tie element indicates
 9 | /// sound; the tied element indicates notation.
10 | public struct Tie {
   |               `- note: consider making struct 'Tie' conform to the 'Sendable' protocol
11 |     // MARK: - Instance Properties
12 |
   :
28 |
29 |     public static let start = Tie(.start)
30 |     public static let stop = Tie(.stop)
   |                       |- warning: static property 'stop' is not concurrency-safe because non-'Sendable' type 'Tie' may have shared mutable state; this is an error in the Swift 6 language mode
   |                       |- note: annotate 'stop' with '@MainActor' if property should only be accessed from the main actor
   |                       `- note: disable concurrency-safety checks if accesses are protected by an external synchronization mechanism
31 | }
32 |
Build complete! (36.85s)
Build complete.
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        "Complex Types/Ornament.swift",
        "Complex Types/Ornaments.swift",
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        "Complex Types/OtherDirection.swift",
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}
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
Done.