Build Information
Successful build of swift-spleeter, reference 0.2.0 (bb1016), with Swift 6.1 for macOS (SPM) on 29 Jul 2025 23:46:17 UTC.
Swift 6 data race errors: 0
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
========================================
RunAll
========================================
Builder version: 4.64.0
Interrupt handler set up.
========================================
Checkout
========================================
Clone URL: https://github.com/jiyimeta/swift-spleeter.git
Reference: 0.2.0
Initialized empty Git repository in /Users/admin/builder/spi-builder-workspace/.git/
From https://github.com/jiyimeta/swift-spleeter
* tag 0.2.0 -> FETCH_HEAD
HEAD is now at bb10165 Update spleeter
Submodule path 'Tools/spleeter-pytorch': checked out 'bb40395d320e773f6cda607971dea7d5f8bcd7d7'
Submodule 'Tools/spleeter-pytorch' (https://github.com/jiyimeta/spleeter-pytorch.git) registered for path 'Tools/spleeter-pytorch'
Cloning into '/Users/admin/builder/spi-builder-workspace/Tools/spleeter-pytorch'...
Cloned https://github.com/jiyimeta/swift-spleeter.git
Revision (git rev-parse @):
bb101655260b2262fe84d3f6b9478a9812884faa
SUCCESS checkout https://github.com/jiyimeta/swift-spleeter.git at 0.2.0
========================================
ResolveProductDependencies
========================================
Resolving dependencies ...
{
"identity": ".resolve-product-dependencies",
"name": "resolve-dependencies",
"url": "/Users/admin/builder/spi-builder-workspace/.resolve-product-dependencies",
"version": "unspecified",
"path": "/Users/admin/builder/spi-builder-workspace/.resolve-product-dependencies",
"dependencies": [
{
"identity": "swift-spleeter",
"name": "swift-spleeter",
"url": "https://github.com/jiyimeta/swift-spleeter.git",
"version": "unspecified",
"path": "/Users/admin/builder/spi-builder-workspace/.resolve-product-dependencies/.build/checkouts/swift-spleeter",
"dependencies": [
]
}
]
}
Fetching https://github.com/jiyimeta/swift-spleeter.git
[1/173] Fetching swift-spleeter
Fetched https://github.com/jiyimeta/swift-spleeter.git from cache (1.80s)
Creating working copy for https://github.com/jiyimeta/swift-spleeter.git
Working copy of https://github.com/jiyimeta/swift-spleeter.git resolved at 0.2.0 (bb10165)
warning: '.resolve-product-dependencies': dependency 'swift-spleeter' is not used by any target
Found 0 product dependencies
========================================
Build
========================================
Selected platform: macosSpm
Swift version: 6.1
Building package at path: $PWD
https://github.com/jiyimeta/swift-spleeter.git
https://github.com/jiyimeta/swift-spleeter.git
{
"dependencies" : [
],
"manifest_display_name" : "swift-spleeter",
"name" : "swift-spleeter",
"path" : "/Users/admin/builder/spi-builder-workspace",
"platforms" : [
{
"name" : "ios",
"version" : "15.0"
},
{
"name" : "macos",
"version" : "12.0"
},
{
"name" : "tvos",
"version" : "15.0"
},
{
"name" : "watchos",
"version" : "8.0"
},
{
"name" : "visionos",
"version" : "1.0"
}
],
"products" : [
{
"name" : "Spleeter",
"targets" : [
"Spleeter"
],
"type" : {
"library" : [
"automatic"
]
}
}
],
"targets" : [
{
"c99name" : "SpleeterTests",
"module_type" : "SwiftTarget",
"name" : "SpleeterTests",
"path" : "Tests/SpleeterTests",
"sources" : [
"STFTTests.swift"
],
"target_dependencies" : [
"Spleeter"
],
"type" : "test"
},
{
"c99name" : "Spleeter",
"module_type" : "SwiftTarget",
"name" : "Spleeter",
"path" : "Sources",
"product_memberships" : [
"Spleeter"
],
"sources" : [
"AudioFile/AudioFile.swift",
"AudioFile/AudioFileStreamWriter.swift",
"AudioFile/StereoValues.swift",
"AudioSeparator/AudioSeparator2/AudioSeparator2.swift",
"AudioSeparator/AudioSeparator2/Spleeter2Model.swift",
"AudioSeparator/AudioSeparator2/Stems2.swift",
"AudioSeparator/AudioSeparator4/AudioSeparator4.swift",
"AudioSeparator/AudioSeparator4/Spleeter4Model.swift",
"AudioSeparator/AudioSeparator4/Stems4.swift",
"AudioSeparator/AudioSeparator5/AudioSeparator5.swift",
"AudioSeparator/AudioSeparator5/Spleeter5Model.swift",
"AudioSeparator/AudioSeparator5/Stems5.swift",
"AudioSeparator/AudioSeparatorProtocol.swift",
"AudioSeparator/InternalAudioSeparatorProtocol.swift",
"AudioSeparator/SpleeterModelProtocol.swift",
"AudioSeparator/StemsProtocol.swift",
"STFT/STFT.swift",
"STFT/Spectrogram.swift",
"STFT/SpectrogramTensor.swift",
"Utility/Array+Extensions.swift",
"Utility/MLTensor+Extensions.swift",
"Utility/Sequence+Extensions.swift"
],
"type" : "library"
}
],
"tools_version" : "5.9"
}
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
[3/23] Emitting module Spleeter
[4/25] Compiling Spleeter MLTensor+Extensions.swift
[5/25] Compiling Spleeter Sequence+Extensions.swift
[6/25] Compiling Spleeter SpleeterModelProtocol.swift
[7/25] Compiling Spleeter StemsProtocol.swift
[8/25] Compiling Spleeter Spleeter5Model.swift
[9/25] Compiling Spleeter Stems5.swift
[10/25] Compiling Spleeter STFT.swift
[11/25] Compiling Spleeter Spectrogram.swift
[12/25] Compiling Spleeter Stems4.swift
[13/25] Compiling Spleeter AudioSeparator5.swift
[14/25] Compiling Spleeter AudioSeparator4.swift
[15/25] Compiling Spleeter Spleeter4Model.swift
[16/25] Compiling Spleeter SpectrogramTensor.swift
[17/25] Compiling Spleeter Array+Extensions.swift
[18/25] Compiling Spleeter AudioFile.swift
[19/25] Compiling Spleeter AudioFileStreamWriter.swift
[20/25] Compiling Spleeter StereoValues.swift
[21/25] Compiling Spleeter AudioSeparatorProtocol.swift
/Users/admin/builder/spi-builder-workspace/Sources/AudioSeparator/InternalAudioSeparatorProtocol.swift:66:18: warning: passing closure as a 'sending' parameter risks causing data races between code in the current task and concurrent execution of the closure; this is an error in the Swift 6 language mode
64 | ) -> AsyncThrowingStream<Progress, any Error> {
65 | AsyncThrowingStream { continuation in
66 | Task {
| `- warning: passing closure as a 'sending' parameter risks causing data races between code in the current task and concurrent execution of the closure; this is an error in the Swift 6 language mode
67 | do {
68 | let audioFile = try AudioFile(forReading: inputURL)
:
70 | let sampleRate = audioFile.sampleRate
71 |
72 | let fileWriters = try mapStems(outputURLs) {
| | `- note: closure captures non-Sendable 'outputURLs'
| `- note: closure captures non-Sendable 'self'
73 | try AudioFileStreamWriter(
74 | to: $0,
/Users/admin/builder/spi-builder-workspace/Sources/AudioSeparator/InternalAudioSeparatorProtocol.swift:112:18: warning: passing closure as a 'sending' parameter risks causing data races between code in the current task and concurrent execution of the closure; this is an error in the Swift 6 language mode
110 | ) -> AsyncThrowingStream<(FloatArrayStems?, Progress), any Error> {
111 | AsyncThrowingStream { continuation in
112 | Task {
| `- warning: passing closure as a 'sending' parameter risks causing data races between code in the current task and concurrent execution of the closure; this is an error in the Swift 6 language mode
113 | do {
114 | let length = max(waveform.left.count, waveform.right.count)
| `- note: closure captures non-Sendable 'waveform'
115 | let stride = stride(from: 0, to: length, by: clampingLength)
| `- note: closure captures non-Sendable 'self'
116 |
117 | continuation.yield((
/Users/admin/builder/spi-builder-workspace/Sources/AudioSeparator/InternalAudioSeparatorProtocol.swift:129:38: warning: sending value of non-Sendable type '(Self.FloatArrayStems?, Progress)' risks causing data races; this is an error in the Swift 6 language mode
127 | let output = try await separate(chunk: chunk)
128 |
129 | continuation.yield((
| |- warning: sending value of non-Sendable type '(Self.FloatArrayStems?, Progress)' risks causing data races; this is an error in the Swift 6 language mode
| `- note: Passing task-isolated value of non-Sendable type '(Self.FloatArrayStems?, Progress)' as a 'sending' parameter risks causing races inbetween task-isolated uses and uses reachable from the callee
130 | output,
131 | Progress(total: stride.underestimatedCount, current: index + 1)
[22/25] Compiling Spleeter InternalAudioSeparatorProtocol.swift
/Users/admin/builder/spi-builder-workspace/Sources/AudioSeparator/InternalAudioSeparatorProtocol.swift:66:18: warning: passing closure as a 'sending' parameter risks causing data races between code in the current task and concurrent execution of the closure; this is an error in the Swift 6 language mode
64 | ) -> AsyncThrowingStream<Progress, any Error> {
65 | AsyncThrowingStream { continuation in
66 | Task {
| `- warning: passing closure as a 'sending' parameter risks causing data races between code in the current task and concurrent execution of the closure; this is an error in the Swift 6 language mode
67 | do {
68 | let audioFile = try AudioFile(forReading: inputURL)
:
70 | let sampleRate = audioFile.sampleRate
71 |
72 | let fileWriters = try mapStems(outputURLs) {
| | `- note: closure captures non-Sendable 'outputURLs'
| `- note: closure captures non-Sendable 'self'
73 | try AudioFileStreamWriter(
74 | to: $0,
/Users/admin/builder/spi-builder-workspace/Sources/AudioSeparator/InternalAudioSeparatorProtocol.swift:112:18: warning: passing closure as a 'sending' parameter risks causing data races between code in the current task and concurrent execution of the closure; this is an error in the Swift 6 language mode
110 | ) -> AsyncThrowingStream<(FloatArrayStems?, Progress), any Error> {
111 | AsyncThrowingStream { continuation in
112 | Task {
| `- warning: passing closure as a 'sending' parameter risks causing data races between code in the current task and concurrent execution of the closure; this is an error in the Swift 6 language mode
113 | do {
114 | let length = max(waveform.left.count, waveform.right.count)
| `- note: closure captures non-Sendable 'waveform'
115 | let stride = stride(from: 0, to: length, by: clampingLength)
| `- note: closure captures non-Sendable 'self'
116 |
117 | continuation.yield((
/Users/admin/builder/spi-builder-workspace/Sources/AudioSeparator/InternalAudioSeparatorProtocol.swift:129:38: warning: sending value of non-Sendable type '(Self.FloatArrayStems?, Progress)' risks causing data races; this is an error in the Swift 6 language mode
127 | let output = try await separate(chunk: chunk)
128 |
129 | continuation.yield((
| |- warning: sending value of non-Sendable type '(Self.FloatArrayStems?, Progress)' risks causing data races; this is an error in the Swift 6 language mode
| `- note: Passing task-isolated value of non-Sendable type '(Self.FloatArrayStems?, Progress)' as a 'sending' parameter risks causing races inbetween task-isolated uses and uses reachable from the callee
130 | output,
131 | Progress(total: stride.underestimatedCount, current: index + 1)
[23/25] Compiling Spleeter AudioSeparator2.swift
[24/25] Compiling Spleeter Spleeter2Model.swift
[25/25] Compiling Spleeter Stems2.swift
Build complete! (8.64s)
Build complete.
{
"dependencies" : [
],
"manifest_display_name" : "swift-spleeter",
"name" : "swift-spleeter",
"path" : "/Users/admin/builder/spi-builder-workspace",
"platforms" : [
{
"name" : "ios",
"version" : "15.0"
},
{
"name" : "macos",
"version" : "12.0"
},
{
"name" : "tvos",
"version" : "15.0"
},
{
"name" : "watchos",
"version" : "8.0"
},
{
"name" : "visionos",
"version" : "1.0"
}
],
"products" : [
{
"name" : "Spleeter",
"targets" : [
"Spleeter"
],
"type" : {
"library" : [
"automatic"
]
}
}
],
"targets" : [
{
"c99name" : "SpleeterTests",
"module_type" : "SwiftTarget",
"name" : "SpleeterTests",
"path" : "Tests/SpleeterTests",
"sources" : [
"STFTTests.swift"
],
"target_dependencies" : [
"Spleeter"
],
"type" : "test"
},
{
"c99name" : "Spleeter",
"module_type" : "SwiftTarget",
"name" : "Spleeter",
"path" : "Sources",
"product_memberships" : [
"Spleeter"
],
"sources" : [
"AudioFile/AudioFile.swift",
"AudioFile/AudioFileStreamWriter.swift",
"AudioFile/StereoValues.swift",
"AudioSeparator/AudioSeparator2/AudioSeparator2.swift",
"AudioSeparator/AudioSeparator2/Spleeter2Model.swift",
"AudioSeparator/AudioSeparator2/Stems2.swift",
"AudioSeparator/AudioSeparator4/AudioSeparator4.swift",
"AudioSeparator/AudioSeparator4/Spleeter4Model.swift",
"AudioSeparator/AudioSeparator4/Stems4.swift",
"AudioSeparator/AudioSeparator5/AudioSeparator5.swift",
"AudioSeparator/AudioSeparator5/Spleeter5Model.swift",
"AudioSeparator/AudioSeparator5/Stems5.swift",
"AudioSeparator/AudioSeparatorProtocol.swift",
"AudioSeparator/InternalAudioSeparatorProtocol.swift",
"AudioSeparator/SpleeterModelProtocol.swift",
"AudioSeparator/StemsProtocol.swift",
"STFT/STFT.swift",
"STFT/Spectrogram.swift",
"STFT/SpectrogramTensor.swift",
"Utility/Array+Extensions.swift",
"Utility/MLTensor+Extensions.swift",
"Utility/Sequence+Extensions.swift"
],
"type" : "library"
}
],
"tools_version" : "5.9"
}
Done.