Swift Package Index

Build Information

Failed to build WebMIDIKit, reference 1.0.5 (b40e74), with Swift 6.3 for macOS (Xcode) using Xcode 26.4 on 20 Apr 2026 16:29:01 UTC.

Build Command

No build command. This typically means the build failed at an early stage where we determine the build command.

Build Log

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RunAll
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Builder version: 4.70.0
Interrupt handler set up.
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Checkout
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Clone URL: https://github.com/adamnemecek/webmidikit.git
Reference: 1.0.5
Initialized empty Git repository in /Users/admin/builder/spi-builder-workspace/.git/
From https://github.com/adamnemecek/webmidikit
 * tag               1.0.5      -> FETCH_HEAD
HEAD is now at b40e74e removing more
Cloned https://github.com/adamnemecek/webmidikit.git
Revision (git rev-parse @):
b40e74e47f34ecba4c4e7c60f9c56f2e208b0031
SUCCESS checkout https://github.com/adamnemecek/webmidikit.git at 1.0.5
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Build
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Selected platform:         macosXcodebuild
Swift version:             6.3
Building package at path:  $PWD
https://github.com/adamnemecek/webmidikit.git
Command line invocation:
    /Applications/Xcode-26.4.0.app/Contents/Developer/usr/bin/xcodebuild -IDEClonedSourcePackagesDirPathOverride=/Users/admin/builder/spi-builder-workspace/.dependencies -resolvePackageDependencies
Resolve Package Graph
package 'package.swift' is using Swift tools version 3.1.0 which is no longer supported; consider using '// swift-tools-version: 6.3' to specify the current tools version
Resolved source packages:
  spi-builder-workspace: (null)
2026-04-20 12:28:59.875 xcodebuild[529:3080] Writing error result bundle to /var/folders/xq/y_g06wb113726d38xsyx71_h0000gn/T/ResultBundle_2026-20-04_12-28-0059.xcresult
xcodebuild: error: Could not resolve package dependencies:
  package 'package.swift' is using Swift tools version 3.1.0 which is no longer supported; consider using '// swift-tools-version: 6.3' to specify the current tools version
Command line invocation:
    /Applications/Xcode-26.4.0.app/Contents/Developer/usr/bin/xcodebuild -IDEClonedSourcePackagesDirPathOverride=/Users/admin/builder/spi-builder-workspace/.dependencies -resolvePackageDependencies
Resolve Package Graph
package 'package.swift' is using Swift tools version 3.1.0 which is no longer supported; consider using '// swift-tools-version: 6.3' to specify the current tools version
Resolved source packages:
  spi-builder-workspace: (null)
2026-04-20 12:29:01.746 xcodebuild[580:3469] Writing error result bundle to /var/folders/xq/y_g06wb113726d38xsyx71_h0000gn/T/ResultBundle_2026-20-04_12-29-0001.xcresult
xcodebuild: error: Could not resolve package dependencies:
  package 'package.swift' is using Swift tools version 3.1.0 which is no longer supported; consider using '// swift-tools-version: 6.3' to specify the current tools version
BUILD FAILURE 6.3 macosXcodebuild