Swift Package IndexBuild Information
Successful build of PianoRoll, reference main (bc0075), with Swift 6.1 for macOS (SPM) on 12 Mar 2026 03:32:18 UTC.
Swift 6 data race errors: 1
Build Command
env DEVELOPER_DIR=/Applications/Xcode-16.3.0.app xcrun swift build --arch arm64 -Xswiftc -Xfrontend -Xswiftc -stats-output-dir -Xswiftc -Xfrontend -Xswiftc .stats -Xswiftc -strict-concurrency=complete -Xswiftc -enable-upcoming-feature -Xswiftc StrictConcurrency -Xswiftc -enable-upcoming-feature -Xswiftc DisableOutwardActorInference -Xswiftc -enable-upcoming-feature -Xswiftc GlobalActorIsolatedTypesUsability -Xswiftc -enable-upcoming-feature -Xswiftc InferSendableFromCapturesBuild Log
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RunAll
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Builder version: 4.68.0
Interrupt handler set up.
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Checkout
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Clone URL: https://github.com/AudioKit/PianoRoll.git
Reference: main
Initialized empty Git repository in /Users/admin/builder/spi-builder-workspace/.git/
From https://github.com/AudioKit/PianoRoll
* branch main -> FETCH_HEAD
* [new branch] main -> origin/main
HEAD is now at bc0075a Custom note views (#16)
Cloned https://github.com/AudioKit/PianoRoll.git
Revision (git rev-parse @):
bc0075a62ff6202175226f17721277f734cc59f9
SPI manifest file found: $PWD/.spi.yml
SUCCESS checkout https://github.com/AudioKit/PianoRoll.git at main
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Build
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Selected platform: macosSpm
Swift version: 6.1
Building package at path: $PWD
https://github.com/AudioKit/PianoRoll.git
https://github.com/AudioKit/PianoRoll.git
{
"dependencies" : [
],
"manifest_display_name" : "PianoRoll",
"name" : "PianoRoll",
"path" : "/Users/admin/builder/spi-builder-workspace",
"platforms" : [
{
"name" : "macos",
"version" : "12.0"
},
{
"name" : "ios",
"version" : "15.0"
}
],
"products" : [
{
"name" : "PianoRoll",
"targets" : [
"PianoRoll"
],
"type" : {
"library" : [
"automatic"
]
}
}
],
"targets" : [
{
"c99name" : "PianoRollTests",
"module_type" : "SwiftTarget",
"name" : "PianoRollTests",
"path" : "Tests/PianoRollTests",
"sources" : [
"PianoRollTests.swift"
],
"target_dependencies" : [
"PianoRoll"
],
"type" : "test"
},
{
"c99name" : "PianoRoll",
"module_type" : "SwiftTarget",
"name" : "PianoRoll",
"path" : "Sources/PianoRoll",
"product_memberships" : [
"PianoRoll"
],
"sources" : [
"DefaultNoteView.swift",
"PianoRoll.swift",
"PianoRollGrid.swift",
"PianoRollModel.swift",
"PianoRollNote.swift",
"PianoRollNoteView.swift",
"PreferenceKeys.swift",
"VerticalPianoRollNoteView.swift"
],
"type" : "library"
}
],
"tools_version" : "5.5"
}
Running build ...
env DEVELOPER_DIR=/Applications/Xcode-16.3.0.app xcrun swift build --arch arm64 -Xswiftc -Xfrontend -Xswiftc -stats-output-dir -Xswiftc -Xfrontend -Xswiftc .stats -Xswiftc -strict-concurrency=complete -Xswiftc -enable-upcoming-feature -Xswiftc StrictConcurrency -Xswiftc -enable-upcoming-feature -Xswiftc DisableOutwardActorInference -Xswiftc -enable-upcoming-feature -Xswiftc GlobalActorIsolatedTypesUsability -Xswiftc -enable-upcoming-feature -Xswiftc InferSendableFromCaptures
Building for debugging...
[0/2] Write sources
[1/2] Write swift-version-2F0A5646E1D333AE.txt
[3/11] Compiling PianoRoll PianoRoll.swift
[4/11] Compiling PianoRoll DefaultNoteView.swift
[5/11] Compiling PianoRoll PianoRollModel.swift
[6/11] Compiling PianoRoll PreferenceKeys.swift
/Users/admin/builder/spi-builder-workspace/Sources/PianoRoll/PreferenceKeys.swift:5:23: warning: static property 'defaultValue' is not concurrency-safe because it is nonisolated global shared mutable state; this is an error in the Swift 6 language mode
3 | /// For accumulating note view offsets.
4 | public struct NoteOffsetsKey: PreferenceKey {
5 | public static var defaultValue: [NoteOffsetInfo] = []
| |- warning: static property 'defaultValue' is not concurrency-safe because it is nonisolated global shared mutable state; this is an error in the Swift 6 language mode
| |- note: convert 'defaultValue' to a 'let' constant to make 'Sendable' shared state immutable
| |- note: add '@MainActor' to make static property 'defaultValue' part of global actor 'MainActor'
| `- note: disable concurrency-safety checks if accesses are protected by an external synchronization mechanism
6 |
7 | public static func reduce(value: inout [NoteOffsetInfo], nextValue: () -> [NoteOffsetInfo]) {
[7/11] Compiling PianoRoll PianoRollNote.swift
[8/11] Compiling PianoRoll VerticalPianoRollNoteView.swift
[9/11] Compiling PianoRoll PianoRollGrid.swift
[10/11] Emitting module PianoRoll
/Users/admin/builder/spi-builder-workspace/Sources/PianoRoll/PreferenceKeys.swift:5:23: warning: static property 'defaultValue' is not concurrency-safe because it is nonisolated global shared mutable state; this is an error in the Swift 6 language mode
3 | /// For accumulating note view offsets.
4 | public struct NoteOffsetsKey: PreferenceKey {
5 | public static var defaultValue: [NoteOffsetInfo] = []
| |- warning: static property 'defaultValue' is not concurrency-safe because it is nonisolated global shared mutable state; this is an error in the Swift 6 language mode
| |- note: convert 'defaultValue' to a 'let' constant to make 'Sendable' shared state immutable
| |- note: add '@MainActor' to make static property 'defaultValue' part of global actor 'MainActor'
| `- note: disable concurrency-safety checks if accesses are protected by an external synchronization mechanism
6 |
7 | public static func reduce(value: inout [NoteOffsetInfo], nextValue: () -> [NoteOffsetInfo]) {
[11/11] Compiling PianoRoll PianoRollNoteView.swift
Build complete! (10.16s)
Build complete.
{
"dependencies" : [
],
"manifest_display_name" : "PianoRoll",
"name" : "PianoRoll",
"path" : "/Users/admin/builder/spi-builder-workspace",
"platforms" : [
{
"name" : "macos",
"version" : "12.0"
},
{
"name" : "ios",
"version" : "15.0"
}
],
"products" : [
{
"name" : "PianoRoll",
"targets" : [
"PianoRoll"
],
"type" : {
"library" : [
"automatic"
]
}
}
],
"targets" : [
{
"c99name" : "PianoRollTests",
"module_type" : "SwiftTarget",
"name" : "PianoRollTests",
"path" : "Tests/PianoRollTests",
"sources" : [
"PianoRollTests.swift"
],
"target_dependencies" : [
"PianoRoll"
],
"type" : "test"
},
{
"c99name" : "PianoRoll",
"module_type" : "SwiftTarget",
"name" : "PianoRoll",
"path" : "Sources/PianoRoll",
"product_memberships" : [
"PianoRoll"
],
"sources" : [
"DefaultNoteView.swift",
"PianoRoll.swift",
"PianoRollGrid.swift",
"PianoRollModel.swift",
"PianoRollNote.swift",
"PianoRollNoteView.swift",
"PreferenceKeys.swift",
"VerticalPianoRollNoteView.swift"
],
"type" : "library"
}
],
"tools_version" : "5.5"
}
Done.