Swift Package Index

Build Information

Failed to build swift-vercel-runtime, reference main (a7d44b), with Swift 6.3 for watchOS using Xcode 26.4 on 13 Oct 2026 18:02:56 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: 5.1.2
Interrupt handler set up.
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Checkout
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Clone URL: https://github.com/vercel-labs/swift-vercel-runtime.git
Reference: main
Initialized empty Git repository in /Users/admin/builder/spi-builder-workspace/.git/
From https://github.com/vercel-labs/swift-vercel-runtime
 * branch            main       -> FETCH_HEAD
 * [new branch]      main       -> origin/main
HEAD is now at a7d44bf Release 0.6.1
Cloned https://github.com/vercel-labs/swift-vercel-runtime.git
Revision (git rev-parse @):
a7d44bf1068337fe24e86c2124340cc45ef57513
SUCCESS checkout https://github.com/vercel-labs/swift-vercel-runtime.git at main
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Build
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Selected platform:         watchOS
Swift version:             6.3
Building package at path:  $PWD
https://github.com/vercel-labs/swift-vercel-runtime.git
Command line invocation:
    /Applications/Xcode-26.5.0.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 6.4.0 but the installed version is 6.3.2
Resolved source packages:
  spi-builder-workspace: (null)
2026-10-13 14:02:54.581 xcodebuild[538:3086] Writing error result bundle to /var/folders/xq/y_g06wb113726d38xsyx71_h0000gn/T/ResultBundle_2026-13-10_14-02-0054.xcresult
xcodebuild: error: Could not resolve package dependencies:
  package 'spi-builder-workspace' is using Swift tools version 6.4.0 but the installed version is 6.3.2
Command line invocation:
    /Applications/Xcode-26.5.0.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 6.4.0 but the installed version is 6.3.2
Resolved source packages:
  spi-builder-workspace: (null)
2026-10-13 14:02:56.083 xcodebuild[606:3594] Writing error result bundle to /var/folders/xq/y_g06wb113726d38xsyx71_h0000gn/T/ResultBundle_2026-13-10_14-02-0056.xcresult
xcodebuild: error: Could not resolve package dependencies:
  package 'spi-builder-workspace' is using Swift tools version 6.4.0 but the installed version is 6.3.2
BUILD FAILURE 6.3 watchOS