Swift Package Index

Build Information

Failed to build CellKit, reference 1.0.0 (a6f457), with Swift 6.1 for watchOS using Xcode 16.3 on 7 Sep 2026 18:30:00 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: 5.0.2
Interrupt handler set up.
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Checkout
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Clone URL: https://github.com/futuredapp/CellKit.git
Reference: 1.0.0
Initialized empty Git repository in /Users/admin/builder/spi-builder-workspace/.git/
From https://github.com/futuredapp/CellKit
 * tag               1.0.0      -> FETCH_HEAD
HEAD is now at a6f457d Merge pull request #55 from futuredapp/feature/default-main-actor-isolation
Cloned https://github.com/futuredapp/CellKit.git
Revision (git rev-parse @):
a6f457d6d10cfac307814f604a8e24a129553434
SUCCESS checkout https://github.com/futuredapp/CellKit.git at 1.0.0
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Build
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Selected platform:         watchOS
Swift version:             6.1
Building package at path:  $PWD
https://github.com/futuredapp/CellKit.git
https://github.com/futuredapp/CellKit.git
error: 'spi-builder-workspace': package 'spi-builder-workspace' is using Swift tools version 6.2.0 but the installed version is 6.1.0
error: fatalError
Command line invocation:
    /Applications/Xcode-16.3.0.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 6.2.0 but the installed version is 6.1.0
Resolved source packages:
  spi-builder-workspace: (null)
2026-09-07 11:29:59.288 xcodebuild[505:2924] Writing error result bundle to /var/folders/5k/5yc19ymj0jqd5v0zvgfqz0xw0000gn/T/ResultBundle_2026-07-09_11-29-0059.xcresult
xcodebuild: error: Could not resolve package dependencies:
  package 'spi-builder-workspace' is using Swift tools version 6.2.0 but the installed version is 6.1.0
Command line invocation:
    /Applications/Xcode-16.3.0.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 6.2.0 but the installed version is 6.1.0
Resolved source packages:
  spi-builder-workspace: (null)
2026-09-07 11:30:00.010 xcodebuild[516:3019] Writing error result bundle to /var/folders/5k/5yc19ymj0jqd5v0zvgfqz0xw0000gn/T/ResultBundle_2026-07-09_11-30-0000.xcresult
xcodebuild: error: Could not resolve package dependencies:
  package 'spi-builder-workspace' is using Swift tools version 6.2.0 but the installed version is 6.1.0
BUILD FAILURE 6.1 watchOS