Swift Package IndexBuild Information
Failed to build SwiftSound, reference v1.0.3 (c99ff7), with Swift 6.3 for Linux on 15 Apr 2026 18:12:57 UTC.
Build Command
bash -c docker run --pull=always --rm -v "checkouts-4609320-1":/host -w "$PWD" -e JAVA_HOME="/root/.sdkman/candidates/java/current" -e SPI_BUILD="1" -e SPI_PROCESSING="1" registry.gitlab.com/swiftpackageindex/spi-images:basic-6.3-latest swift build --triple x86_64-unknown-linux-gnu 2>&1Build Log
========================================
RunAll
========================================
Builder version: 4.70.0
Interrupt handler set up.
========================================
Checkout
========================================
Clone URL: https://github.com/mesqueeb/SwiftSound.git
Reference: v1.0.3
Initialized empty Git repository in /host/spi-builder-workspace/.git/
hint: Using 'master' as the name for the initial branch. This default branch name
hint: is subject to change. To configure the initial branch name to use in all
hint: of your new repositories, which will suppress this warning, call:
hint:
hint: git config --global init.defaultBranch <name>
hint:
hint: Names commonly chosen instead of 'master' are 'main', 'trunk' and
hint: 'development'. The just-created branch can be renamed via this command:
hint:
hint: git branch -m <name>
From https://github.com/mesqueeb/SwiftSound
* tag v1.0.3 -> FETCH_HEAD
HEAD is now at c99ff7d 1.0.3
Cloned https://github.com/mesqueeb/SwiftSound.git
Revision (git rev-parse @):
c99ff7d39dd0d2e7d7b34df37a54d2ee13ace6ff
SPI manifest file found: $PWD/.spi.yml
SUCCESS checkout https://github.com/mesqueeb/SwiftSound.git at v1.0.3
========================================
Build
========================================
Selected platform: linux
Swift version: 6.3
Building package at path: $PWD
https://github.com/mesqueeb/SwiftSound.git
Running build ...
bash -c docker run --pull=always --rm -v "checkouts-4609320-1":/host -w "$PWD" -e JAVA_HOME="/root/.sdkman/candidates/java/current" -e SPI_BUILD="1" -e SPI_PROCESSING="1" registry.gitlab.com/swiftpackageindex/spi-images:basic-6.3-latest swift build --triple x86_64-unknown-linux-gnu 2>&1
basic-6.3-latest: Pulling from swiftpackageindex/spi-images
Digest: sha256:5a7d791d2ead8a924b1292cb31bf3288eabcfe8880e0b005b00b45b71a5bc36a
Status: Image is up to date for registry.gitlab.com/swiftpackageindex/spi-images:basic-6.3-latest
Fetching https://github.com/apple/swift-argument-parser
Fetching https://github.com/KarthikRIyer/swiftplot.git
[1/6708] Fetching swiftplot
[538/24231] Fetching swiftplot, swift-argument-parser
Fetched https://github.com/apple/swift-argument-parser from cache (1.47s)
[3019/6708] Fetching swiftplot
Fetched https://github.com/KarthikRIyer/swiftplot.git from cache (2.31s)
Computing version for https://github.com/KarthikRIyer/swiftplot.git
Computed https://github.com/KarthikRIyer/swiftplot.git at 2.0.0 (7.56s)
Computing version for https://github.com/apple/swift-argument-parser
Computed https://github.com/apple/swift-argument-parser at 1.7.1 (0.66s)
Creating working copy for https://github.com/KarthikRIyer/swiftplot.git
Working copy of https://github.com/KarthikRIyer/swiftplot.git resolved at 2.0.0
Creating working copy for https://github.com/apple/swift-argument-parser
Working copy of https://github.com/apple/swift-argument-parser resolved at 1.7.1
warning: you may be able to install freetype2 using your system-packager:
apt-get install libfreetype6-dev
warning: you may be able to install freetype2 using your system-packager:
apt-get install libfreetype6-dev
[1/1] Compiling plugin GenerateManual
[2/2] Compiling plugin GenerateDoccReference
Building for debugging...
[2/17] Write sources
[8/17] Write swift-version-24593BA9C3E375BF.txt
[10/49] Emitting module SwiftPlot
[11/53] Compiling SwiftPlot HistogramSeriesOptions.swift
[12/53] Compiling SwiftPlot Label.swift
[13/53] Compiling SwiftPlot LayoutComponent.swift
[14/53] Compiling SwiftPlot Spacing.swift
[15/53] Compiling SwiftPlot ColorMap.swift
[16/53] Compiling SwiftPlot ColorMapData.swift
[17/53] Compiling SwiftPlot FloatConvertible.swift
[18/53] Compiling SwiftPlot EdgeComponents.swift
[19/53] Compiling SwiftPlot ScatterPlotSeriesOptions.swift
[20/53] Compiling SwiftPlot SequencePlots.swift
[21/53] Compiling SwiftPlot Series.swift
[22/53] Compiling SwiftPlot SubPlot.swift
[23/53] Compiling ArgumentParserToolInfo ToolInfo.swift
[24/53] Emitting module ArgumentParserToolInfo
[25/54] Wrapping AST for ArgumentParserToolInfo for debugging
[27/55] Compiling SwiftPlot AdaptersNamespace.swift
[28/55] Compiling SwiftPlot Axis.swift
[29/55] Compiling SwiftPlot BarChart.swift
[30/55] Compiling SwiftPlot BarGraphSeriesOptions.swift
[31/55] Compiling SwiftPlot Color.swift
[32/55] Compiling SwiftPlot Heatmap.swift
[33/55] Compiling SwiftPlot HelperFunction.swift
[34/55] Compiling SwiftPlot Histogram.swift
[35/55] Compiling SwiftPlot HistogramSeries.swift
[36/55] Compiling SwiftPlot Rect.swift
[37/55] Compiling SwiftPlot Size.swift
[38/55] Compiling SwiftPlot GraphLayout.swift
[39/55] Compiling SwiftPlot Heatmap-adapter.swift
[40/55] Compiling SwiftPlot LineChart.swift
[41/55] Compiling SwiftPlot Pair.swift
[42/55] Compiling SwiftPlot Plot.swift
[43/55] Compiling SwiftPlot PlotDimensions.swift
[44/55] Compiling SwiftPlot PlotMarkers.swift
[45/55] Compiling SwiftPlot PlotStyleHelpers.swift
[46/55] Compiling SwiftPlot Renderer.swift
[47/55] Compiling SwiftPlot ScatterChart.swift
[49/63] Emitting module ArgumentParser
[49/63] Wrapping AST for SwiftPlot for debugging
[51/109] Emitting module SVGRenderer
[52/109] Compiling SVGRenderer SVGRenderer.swift
[53/110] Compiling ArgumentParser BashCompletionsGenerator.swift
[54/110] Compiling ArgumentParser CompletionsGenerator.swift
[55/110] Compiling ArgumentParser FishCompletionsGenerator.swift
[56/110] Compiling ArgumentParser ZshCompletionsGenerator.swift
[57/110] Compiling ArgumentParser Argument.swift
[58/110] Compiling ArgumentParser ArgumentDiscussion.swift
[59/110] Compiling ArgumentParser ArgumentHelp.swift
[60/110] Wrapping AST for SVGRenderer for debugging
[62/116] Compiling ArgumentParser ParentCommand.swift
[63/116] Compiling ArgumentParser AsyncParsableCommand.swift
[64/116] Compiling ArgumentParser CommandConfiguration.swift
[65/116] Compiling ArgumentParser CommandGroup.swift
[66/116] Compiling ArgumentParser EnumerableFlag.swift
[67/116] Compiling ArgumentParser ExpressibleByArgument.swift
[68/116] Compiling ArgumentParser ParsableArguments.swift
[69/116] Compiling ArgumentParser Tree.swift
[70/116] Compiling ArgumentParser CodingKeyValidator.swift
[71/116] Compiling ArgumentParser NonsenseFlagsValidator.swift
[72/116] Compiling ArgumentParser ParsableArgumentsValidation.swift
[73/116] Compiling ArgumentParser PositionalArgumentsValidator.swift
[74/116] Compiling ArgumentParser UniqueNamesValidator.swift
[75/116] Compiling ArgumentParser InputOrigin.swift
[76/116] Compiling ArgumentParser Name.swift
[77/116] Compiling ArgumentParser Parsed.swift
[78/116] Compiling ArgumentParser ParsedValues.swift
[79/116] Compiling ArgumentParser ParserError.swift
[80/116] Compiling ArgumentParser SplitArguments.swift
[81/116] Compiling ArgumentParser Foundation.swift
[82/116] Compiling ArgumentParser Mutex.swift
[83/116] Compiling ArgumentParser Platform.swift
[84/116] Compiling ArgumentParser SequenceExtensions.swift
[85/116] Compiling ArgumentParser StringExtensions.swift
[86/116] Compiling ArgumentParser SwiftExtensions.swift
[87/116] Compiling ArgumentParser DumpHelpGenerator.swift
[88/116] Compiling ArgumentParser HelpCommand.swift
[89/116] Compiling ArgumentParser HelpGenerator.swift
[90/116] Compiling ArgumentParser MessageInfo.swift
[91/116] Compiling ArgumentParser UsageGenerator.swift
[92/116] Compiling ArgumentParser CollectionExtensions.swift
[93/116] Compiling ArgumentParser ArgumentVisibility.swift
[94/116] Compiling ArgumentParser CompletionKind.swift
[95/116] Compiling ArgumentParser Errors.swift
[96/116] Compiling ArgumentParser Flag.swift
[97/116] Compiling ArgumentParser NameSpecification.swift
[98/116] Compiling ArgumentParser Option.swift
[99/116] Compiling ArgumentParser OptionGroup.swift
[100/116] Compiling ArgumentParser ParsableCommand.swift
[101/116] Compiling ArgumentParser ArgumentDecoder.swift
[102/116] Compiling ArgumentParser ArgumentDefinition.swift
[103/116] Compiling ArgumentParser ArgumentSet.swift
[104/116] Compiling ArgumentParser CommandParser.swift
[105/116] Compiling ArgumentParser InputKey.swift
[106/117] Wrapping AST for ArgumentParser for debugging
[108/117] Compiling SwiftSound revealInFinder.swift
/host/spi-builder-workspace/Sources/SwiftSound/fft.swift:1:8: error: no such module 'Accelerate'
1 | import Accelerate
| `- error: no such module 'Accelerate'
2 |
3 | public func fft(samples: [Float], sampleRate: Float) -> [(frequency: Float, amplitude: Float)] {
error: emit-module command failed with exit code 1 (use -v to see invocation)
[109/117] Emitting module SwiftSound
/host/spi-builder-workspace/Sources/SwiftSound/fft.swift:1:8: error: no such module 'Accelerate'
1 | import Accelerate
| `- error: no such module 'Accelerate'
2 |
3 | public func fft(samples: [Float], sampleRate: Float) -> [(frequency: Float, amplitude: Float)] {
[110/117] Compiling SwiftSound stft.swift
/host/spi-builder-workspace/Sources/SwiftSound/fft.swift:1:8: error: no such module 'Accelerate'
1 | import Accelerate
| `- error: no such module 'Accelerate'
2 |
3 | public func fft(samples: [Float], sampleRate: Float) -> [(frequency: Float, amplitude: Float)] {
[111/117] Compiling SwiftSound spectrumToSvg.swift
/host/spi-builder-workspace/Sources/SwiftSound/fft.swift:1:8: error: no such module 'Accelerate'
1 | import Accelerate
| `- error: no such module 'Accelerate'
2 |
3 | public func fft(samples: [Float], sampleRate: Float) -> [(frequency: Float, amplitude: Float)] {
[112/117] Compiling SwiftSound readRawAudio.swift
/host/spi-builder-workspace/Sources/SwiftSound/fft.swift:1:8: error: no such module 'Accelerate'
1 | import Accelerate
| `- error: no such module 'Accelerate'
2 |
3 | public func fft(samples: [Float], sampleRate: Float) -> [(frequency: Float, amplitude: Float)] {
[113/117] Compiling SwiftSound fft.swift
/host/spi-builder-workspace/Sources/SwiftSound/fft.swift:1:8: error: no such module 'Accelerate'
1 | import Accelerate
| `- error: no such module 'Accelerate'
2 |
3 | public func fft(samples: [Float], sampleRate: Float) -> [(frequency: Float, amplitude: Float)] {
BUILD FAILURE 6.3 linux