Swift Package Index

Build Information

Failed to build mlx-swift, reference 0.33.0 (7ede4f), with Swift 6.2 for iOS using Xcode 26.3 on 30 Oct 2026 09:48:09 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: 5.1.4
Interrupt handler set up.
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Checkout
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Clone URL: https://github.com/ml-explore/mlx-swift.git
Reference: 0.33.0
Initialized empty Git repository in /Users/admin/builder/spi-builder-workspace/.git/
From https://github.com/ml-explore/mlx-swift
 * tag               0.33.0     -> FETCH_HEAD
HEAD is now at 7ede4fd Fix firstError (#513)
Submodule path 'Source/Cmlx/mlx': checked out '36969c094354086e15d2a327a9c50feb20b9cf11'
Submodule path 'Source/Cmlx/mlx-c': checked out 'a26f2d584a14ec619ae8db9a09be03becd47598a'
Submodule 'submodules/mlx' (https://github.com/ml-explore/mlx) registered for path 'Source/Cmlx/mlx'
Submodule 'submodules/mlx-c' (https://github.com/ml-explore/mlx-c) registered for path 'Source/Cmlx/mlx-c'
Cloning into '/Users/admin/builder/spi-builder-workspace/Source/Cmlx/mlx'...
Cloning into '/Users/admin/builder/spi-builder-workspace/Source/Cmlx/mlx-c'...
Cloned https://github.com/ml-explore/mlx-swift.git
Revision (git rev-parse @):
7ede4fd6d05f63305c1c0ebf4f8c1909a637c574
SPI manifest file found: $PWD/.spi.yml
SUCCESS checkout https://github.com/ml-explore/mlx-swift.git at 0.33.0
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Build
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Selected platform:         iOS
Swift version:             6.2
Building package at path:  $PWD
https://github.com/ml-explore/mlx-swift.git
Command line invocation:
    /Applications/Xcode-26.3.0.app/Contents/Developer/usr/bin/xcodebuild -IDEClonedSourcePackagesDirPathOverride=/Users/admin/builder/spi-builder-workspace/.dependencies -resolvePackageDependencies
Resolve Package Graph
package 'spi-builder-workspace' is using Swift tools version 6.3.0 but the installed version is 6.2.4
Resolved source packages:
  spi-builder-workspace: (null)
2026-10-30 05:48:08.849 xcodebuild[560:3252] Writing error result bundle to /var/folders/xq/y_g06wb113726d38xsyx71_h0000gn/T/ResultBundle_2026-30-10_05-48-0008.xcresult
xcodebuild: error: Could not resolve package dependencies:
  package 'spi-builder-workspace' is using Swift tools version 6.3.0 but the installed version is 6.2.4
Command line invocation:
    /Applications/Xcode-26.3.0.app/Contents/Developer/usr/bin/xcodebuild -IDEClonedSourcePackagesDirPathOverride=/Users/admin/builder/spi-builder-workspace/.dependencies -resolvePackageDependencies
Resolve Package Graph
package 'spi-builder-workspace' is using Swift tools version 6.3.0 but the installed version is 6.2.4
Resolved source packages:
  spi-builder-workspace: (null)
2026-10-30 05:48:09.878 xcodebuild[759:4656] Writing error result bundle to /var/folders/xq/y_g06wb113726d38xsyx71_h0000gn/T/ResultBundle_2026-30-10_05-48-0009.xcresult
xcodebuild: error: Could not resolve package dependencies:
  package 'spi-builder-workspace' is using Swift tools version 6.3.0 but the installed version is 6.2.4
BUILD FAILURE 6.2 iOS