Swift Package IndexBuild Information
Failed to build WaveformKit, reference main (1706d7), with Swift 6.1 for macOS (SPM) on 23 Sep 2026 08:03:35 UTC.
Build Command
env DEVELOPER_DIR=/Applications/Xcode-16.3.0.app xcrun swift build --arch arm64Build Log
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RunAll
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Builder version: 5.1.0
Interrupt handler set up.
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Checkout
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Clone URL: https://github.com/GRimAce11/WaveformKit.git
Reference: main
Initialized empty Git repository in /Users/admin/builder/spi-builder-workspace/.git/
From https://github.com/GRimAce11/WaveformKit
* branch main -> FETCH_HEAD
* [new branch] main -> origin/main
HEAD is now at 1706d7a Add demo GIFs to the README
Cloned https://github.com/GRimAce11/WaveformKit.git
Revision (git rev-parse @):
1706d7a880b0ec3cf383b30b0a9202ea38200d43
SPI manifest file found: $PWD/.spi.yml
SUCCESS checkout https://github.com/GRimAce11/WaveformKit.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/GRimAce11/WaveformKit.git
https://github.com/GRimAce11/WaveformKit.git
{
"dependencies" : [
],
"manifest_display_name" : "WaveformKit",
"name" : "WaveformKit",
"path" : "/Users/admin/builder/spi-builder-workspace",
"platforms" : [
{
"name" : "ios",
"version" : "17.0"
},
{
"name" : "macos",
"version" : "14.0"
},
{
"name" : "visionos",
"version" : "1.0"
}
],
"products" : [
{
"name" : "WaveformKit",
"targets" : [
"WaveformKit"
],
"type" : {
"library" : [
"automatic"
]
}
}
],
"swift_languages_versions" : [
"6",
"5"
],
"targets" : [
{
"c99name" : "WaveformKitTests",
"module_type" : "SwiftTarget",
"name" : "WaveformKitTests",
"path" : "Tests/WaveformKitTests",
"sources" : [
"WaveformKitTests.swift"
],
"target_dependencies" : [
"WaveformKit"
],
"type" : "test"
},
{
"c99name" : "WaveformKit",
"module_type" : "SwiftTarget",
"name" : "WaveformKit",
"path" : "Sources/WaveformKit",
"product_memberships" : [
"WaveformKit"
],
"sources" : [
"Audio/AmplitudeTap.swift",
"Audio/AudioDecoder.swift",
"Audio/AudioSource.swift",
"Audio/FFTAnalyzer.swift",
"Audio/ResampleCache.swift",
"Audio/WaveformCache.swift",
"Audio/WaveformLoader.swift",
"Models/WaveformColors.swift",
"Models/WaveformMarker.swift",
"Models/WaveformResampleMode.swift",
"Models/WaveformState.swift",
"Models/WaveformStyle.swift",
"Models/WaveformSummary.swift",
"Models/WaveformViewport.swift",
"Models/WaveformZoomOptions.swift",
"Player/AVAudioEnginePlayer.swift",
"Player/AVAudioPlayerAdapter.swift",
"Player/AVAudioPlayerAmplitudeTap.swift",
"Player/AVPlayerAdapter.swift",
"Player/AVPlayerAmplitudeTap.swift",
"Player/AudioInterruption.swift",
"Player/AudioTeardown.swift",
"Player/MicrophoneRecorder.swift",
"Player/WaveformPlayerAdapter.swift",
"View/Renderers/BarsRenderer.swift",
"View/Renderers/CircularBarsRenderer.swift",
"View/Renderers/DancingBarsRenderer.swift",
"View/Renderers/DotsRenderer.swift",
"View/Renderers/LineRenderer.swift",
"View/Renderers/MarkersOverlay.swift",
"View/WaveformRenderer.swift",
"View/WaveformView.swift"
],
"type" : "library"
}
],
"tools_version" : "6.0"
}
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
Building for debugging...
[0/2] Write sources
[1/2] Write swift-version-2F0A5646E1D333AE.txt
[3/32] Emitting module WaveformKit
[4/35] Compiling WaveformKit AmplitudeTap.swift
[5/35] Compiling WaveformKit AudioDecoder.swift
[6/35] Compiling WaveformKit AudioSource.swift
[7/35] Compiling WaveformKit FFTAnalyzer.swift
[8/35] Compiling WaveformKit WaveformZoomOptions.swift
[9/35] Compiling WaveformKit AVAudioEnginePlayer.swift
[10/35] Compiling WaveformKit AVAudioPlayerAdapter.swift
[11/35] Compiling WaveformKit AVAudioPlayerAmplitudeTap.swift
/Users/admin/builder/spi-builder-workspace/Sources/WaveformKit/Player/AVPlayerAmplitudeTap.swift:125:38: error: non-sendable result type '[AVAssetTrack]' cannot be sent from nonisolated context in call to instance method 'loadTracks(withMediaType:)'
123 | let tracks: [AVAssetTrack]
124 | do {
125 | tracks = try await asset.loadTracks(withMediaType: .audio)
| `- error: non-sendable result type '[AVAssetTrack]' cannot be sent from nonisolated context in call to instance method 'loadTracks(withMediaType:)'
126 | } catch {
127 | return
/Applications/Xcode-16.3.0.app/Contents/Developer/Platforms/MacOSX.platform/Developer/SDKs/MacOSX15.4.sdk/System/Library/Frameworks/AVFoundation.framework/Headers/AVAssetTrack.h:35:12: note: class 'AVAssetTrack' does not conform to the 'Sendable' protocol
33 |
34 | API_AVAILABLE(macos(10.7), ios(4.0), tvos(9.0), watchos(1.0), visionos(1.0))
35 | @interface AVAssetTrack : NSObject <NSCopying, AVAsynchronousKeyValueLoading>
| `- note: class 'AVAssetTrack' does not conform to the 'Sendable' protocol
36 | {
37 | @private
/Users/admin/builder/spi-builder-workspace/Sources/WaveformKit/Player/AVPlayerAmplitudeTap.swift:2:1: warning: add '@preconcurrency' to treat 'Sendable'-related errors from module 'AVFoundation' as warnings
1 | import Foundation
2 | import AVFoundation
| `- warning: add '@preconcurrency' to treat 'Sendable'-related errors from module 'AVFoundation' as warnings
3 | import MediaToolbox
4 | import Accelerate
[12/35] Compiling WaveformKit AVPlayerAdapter.swift
/Users/admin/builder/spi-builder-workspace/Sources/WaveformKit/Player/AVPlayerAmplitudeTap.swift:125:38: error: non-sendable result type '[AVAssetTrack]' cannot be sent from nonisolated context in call to instance method 'loadTracks(withMediaType:)'
123 | let tracks: [AVAssetTrack]
124 | do {
125 | tracks = try await asset.loadTracks(withMediaType: .audio)
| `- error: non-sendable result type '[AVAssetTrack]' cannot be sent from nonisolated context in call to instance method 'loadTracks(withMediaType:)'
126 | } catch {
127 | return
/Applications/Xcode-16.3.0.app/Contents/Developer/Platforms/MacOSX.platform/Developer/SDKs/MacOSX15.4.sdk/System/Library/Frameworks/AVFoundation.framework/Headers/AVAssetTrack.h:35:12: note: class 'AVAssetTrack' does not conform to the 'Sendable' protocol
33 |
34 | API_AVAILABLE(macos(10.7), ios(4.0), tvos(9.0), watchos(1.0), visionos(1.0))
35 | @interface AVAssetTrack : NSObject <NSCopying, AVAsynchronousKeyValueLoading>
| `- note: class 'AVAssetTrack' does not conform to the 'Sendable' protocol
36 | {
37 | @private
/Users/admin/builder/spi-builder-workspace/Sources/WaveformKit/Player/AVPlayerAmplitudeTap.swift:2:1: warning: add '@preconcurrency' to treat 'Sendable'-related errors from module 'AVFoundation' as warnings
1 | import Foundation
2 | import AVFoundation
| `- warning: add '@preconcurrency' to treat 'Sendable'-related errors from module 'AVFoundation' as warnings
3 | import MediaToolbox
4 | import Accelerate
[13/35] Compiling WaveformKit AVPlayerAmplitudeTap.swift
/Users/admin/builder/spi-builder-workspace/Sources/WaveformKit/Player/AVPlayerAmplitudeTap.swift:125:38: error: non-sendable result type '[AVAssetTrack]' cannot be sent from nonisolated context in call to instance method 'loadTracks(withMediaType:)'
123 | let tracks: [AVAssetTrack]
124 | do {
125 | tracks = try await asset.loadTracks(withMediaType: .audio)
| `- error: non-sendable result type '[AVAssetTrack]' cannot be sent from nonisolated context in call to instance method 'loadTracks(withMediaType:)'
126 | } catch {
127 | return
/Applications/Xcode-16.3.0.app/Contents/Developer/Platforms/MacOSX.platform/Developer/SDKs/MacOSX15.4.sdk/System/Library/Frameworks/AVFoundation.framework/Headers/AVAssetTrack.h:35:12: note: class 'AVAssetTrack' does not conform to the 'Sendable' protocol
33 |
34 | API_AVAILABLE(macos(10.7), ios(4.0), tvos(9.0), watchos(1.0), visionos(1.0))
35 | @interface AVAssetTrack : NSObject <NSCopying, AVAsynchronousKeyValueLoading>
| `- note: class 'AVAssetTrack' does not conform to the 'Sendable' protocol
36 | {
37 | @private
/Users/admin/builder/spi-builder-workspace/Sources/WaveformKit/Player/AVPlayerAmplitudeTap.swift:2:1: warning: add '@preconcurrency' to treat 'Sendable'-related errors from module 'AVFoundation' as warnings
1 | import Foundation
2 | import AVFoundation
| `- warning: add '@preconcurrency' to treat 'Sendable'-related errors from module 'AVFoundation' as warnings
3 | import MediaToolbox
4 | import Accelerate
[14/35] Compiling WaveformKit WaveformMarker.swift
[15/35] Compiling WaveformKit WaveformResampleMode.swift
[16/35] Compiling WaveformKit WaveformState.swift
[17/35] Compiling WaveformKit AudioInterruption.swift
[18/35] Compiling WaveformKit AudioTeardown.swift
[19/35] Compiling WaveformKit MicrophoneRecorder.swift
[20/35] Compiling WaveformKit DancingBarsRenderer.swift
[21/35] Compiling WaveformKit DotsRenderer.swift
[22/35] Compiling WaveformKit LineRenderer.swift
[23/35] Compiling WaveformKit WaveformPlayerAdapter.swift
[24/35] Compiling WaveformKit BarsRenderer.swift
[25/35] Compiling WaveformKit CircularBarsRenderer.swift
[26/35] Compiling WaveformKit ResampleCache.swift
[27/35] Compiling WaveformKit WaveformCache.swift
[28/35] Compiling WaveformKit WaveformLoader.swift
[29/35] Compiling WaveformKit WaveformColors.swift
[30/35] Compiling WaveformKit WaveformStyle.swift
[31/35] Compiling WaveformKit WaveformSummary.swift
[32/35] Compiling WaveformKit WaveformViewport.swift
[33/35] Compiling WaveformKit MarkersOverlay.swift
[34/35] Compiling WaveformKit WaveformRenderer.swift
[35/35] Compiling WaveformKit WaveformView.swift
Running build ...
env DEVELOPER_DIR=/Applications/Xcode-16.3.0.app xcrun swift build --arch arm64
[0/1] Planning build
Building for debugging...
[0/1] Write swift-version-2F0A5646E1D333AE.txt
[2/31] Compiling WaveformKit WaveformPlayerAdapter.swift
[3/31] Compiling WaveformKit BarsRenderer.swift
[4/31] Compiling WaveformKit CircularBarsRenderer.swift
[5/34] Compiling WaveformKit DancingBarsRenderer.swift
[6/34] Compiling WaveformKit DotsRenderer.swift
[7/34] Compiling WaveformKit LineRenderer.swift
[8/34] Compiling WaveformKit AmplitudeTap.swift
[9/34] Compiling WaveformKit AudioDecoder.swift
[10/34] Compiling WaveformKit AudioSource.swift
[11/34] Compiling WaveformKit FFTAnalyzer.swift
[12/34] Compiling WaveformKit WaveformMarker.swift
[13/34] Compiling WaveformKit WaveformResampleMode.swift
[14/34] Compiling WaveformKit WaveformState.swift
[15/34] Compiling WaveformKit WaveformStyle.swift
[16/34] Compiling WaveformKit WaveformSummary.swift
[17/34] Compiling WaveformKit WaveformViewport.swift
[18/34] Compiling WaveformKit AVAudioPlayerAmplitudeTap.swift
/Users/admin/builder/spi-builder-workspace/Sources/WaveformKit/Player/AVPlayerAmplitudeTap.swift:125:38: error: non-sendable result type '[AVAssetTrack]' cannot be sent from nonisolated context in call to instance method 'loadTracks(withMediaType:)'
123 | let tracks: [AVAssetTrack]
124 | do {
125 | tracks = try await asset.loadTracks(withMediaType: .audio)
| `- error: non-sendable result type '[AVAssetTrack]' cannot be sent from nonisolated context in call to instance method 'loadTracks(withMediaType:)'
126 | } catch {
127 | return
/Applications/Xcode-16.3.0.app/Contents/Developer/Platforms/MacOSX.platform/Developer/SDKs/MacOSX15.4.sdk/System/Library/Frameworks/AVFoundation.framework/Headers/AVAssetTrack.h:35:12: note: class 'AVAssetTrack' does not conform to the 'Sendable' protocol
33 |
34 | API_AVAILABLE(macos(10.7), ios(4.0), tvos(9.0), watchos(1.0), visionos(1.0))
35 | @interface AVAssetTrack : NSObject <NSCopying, AVAsynchronousKeyValueLoading>
| `- note: class 'AVAssetTrack' does not conform to the 'Sendable' protocol
36 | {
37 | @private
/Users/admin/builder/spi-builder-workspace/Sources/WaveformKit/Player/AVPlayerAmplitudeTap.swift:2:1: warning: add '@preconcurrency' to treat 'Sendable'-related errors from module 'AVFoundation' as warnings
1 | import Foundation
2 | import AVFoundation
| `- warning: add '@preconcurrency' to treat 'Sendable'-related errors from module 'AVFoundation' as warnings
3 | import MediaToolbox
4 | import Accelerate
[19/34] Compiling WaveformKit AVPlayerAdapter.swift
/Users/admin/builder/spi-builder-workspace/Sources/WaveformKit/Player/AVPlayerAmplitudeTap.swift:125:38: error: non-sendable result type '[AVAssetTrack]' cannot be sent from nonisolated context in call to instance method 'loadTracks(withMediaType:)'
123 | let tracks: [AVAssetTrack]
124 | do {
125 | tracks = try await asset.loadTracks(withMediaType: .audio)
| `- error: non-sendable result type '[AVAssetTrack]' cannot be sent from nonisolated context in call to instance method 'loadTracks(withMediaType:)'
126 | } catch {
127 | return
/Applications/Xcode-16.3.0.app/Contents/Developer/Platforms/MacOSX.platform/Developer/SDKs/MacOSX15.4.sdk/System/Library/Frameworks/AVFoundation.framework/Headers/AVAssetTrack.h:35:12: note: class 'AVAssetTrack' does not conform to the 'Sendable' protocol
33 |
34 | API_AVAILABLE(macos(10.7), ios(4.0), tvos(9.0), watchos(1.0), visionos(1.0))
35 | @interface AVAssetTrack : NSObject <NSCopying, AVAsynchronousKeyValueLoading>
| `- note: class 'AVAssetTrack' does not conform to the 'Sendable' protocol
36 | {
37 | @private
/Users/admin/builder/spi-builder-workspace/Sources/WaveformKit/Player/AVPlayerAmplitudeTap.swift:2:1: warning: add '@preconcurrency' to treat 'Sendable'-related errors from module 'AVFoundation' as warnings
1 | import Foundation
2 | import AVFoundation
| `- warning: add '@preconcurrency' to treat 'Sendable'-related errors from module 'AVFoundation' as warnings
3 | import MediaToolbox
4 | import Accelerate
[20/34] Compiling WaveformKit AVPlayerAmplitudeTap.swift
/Users/admin/builder/spi-builder-workspace/Sources/WaveformKit/Player/AVPlayerAmplitudeTap.swift:125:38: error: non-sendable result type '[AVAssetTrack]' cannot be sent from nonisolated context in call to instance method 'loadTracks(withMediaType:)'
123 | let tracks: [AVAssetTrack]
124 | do {
125 | tracks = try await asset.loadTracks(withMediaType: .audio)
| `- error: non-sendable result type '[AVAssetTrack]' cannot be sent from nonisolated context in call to instance method 'loadTracks(withMediaType:)'
126 | } catch {
127 | return
/Applications/Xcode-16.3.0.app/Contents/Developer/Platforms/MacOSX.platform/Developer/SDKs/MacOSX15.4.sdk/System/Library/Frameworks/AVFoundation.framework/Headers/AVAssetTrack.h:35:12: note: class 'AVAssetTrack' does not conform to the 'Sendable' protocol
33 |
34 | API_AVAILABLE(macos(10.7), ios(4.0), tvos(9.0), watchos(1.0), visionos(1.0))
35 | @interface AVAssetTrack : NSObject <NSCopying, AVAsynchronousKeyValueLoading>
| `- note: class 'AVAssetTrack' does not conform to the 'Sendable' protocol
36 | {
37 | @private
/Users/admin/builder/spi-builder-workspace/Sources/WaveformKit/Player/AVPlayerAmplitudeTap.swift:2:1: warning: add '@preconcurrency' to treat 'Sendable'-related errors from module 'AVFoundation' as warnings
1 | import Foundation
2 | import AVFoundation
| `- warning: add '@preconcurrency' to treat 'Sendable'-related errors from module 'AVFoundation' as warnings
3 | import MediaToolbox
4 | import Accelerate
[21/34] Emitting module WaveformKit
[22/34] Compiling WaveformKit AudioInterruption.swift
[23/34] Compiling WaveformKit AudioTeardown.swift
[24/34] Compiling WaveformKit MicrophoneRecorder.swift
[25/34] Compiling WaveformKit ResampleCache.swift
[26/34] Compiling WaveformKit WaveformCache.swift
[27/34] Compiling WaveformKit WaveformLoader.swift
[28/34] Compiling WaveformKit WaveformColors.swift
[29/34] Compiling WaveformKit WaveformZoomOptions.swift
[30/34] Compiling WaveformKit AVAudioEnginePlayer.swift
[31/34] Compiling WaveformKit AVAudioPlayerAdapter.swift
[32/34] Compiling WaveformKit MarkersOverlay.swift
[33/34] Compiling WaveformKit WaveformRenderer.swift
[34/34] Compiling WaveformKit WaveformView.swift
BUILD FAILURE 6.1 macosSpm