Swift Package Index

Build Information

Failed to build SwiftSci, reference v3.12.0 (3c5317), with Swift 6.1 for watchOS using Xcode 16.3 on 29 Oct 2026 21:41:15 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/Nodibell/SwiftSci.git
Reference: v3.12.0
Initialized empty Git repository in /Users/admin/builder/spi-builder-workspace/.git/
From https://github.com/Nodibell/SwiftSci
 * tag               v3.12.0    -> FETCH_HEAD
HEAD is now at 3c5317d docs(benchmarks): update README, PERFORMANCE, and ACCURACY with audited 3.12.0 benchmark results
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Updating files: 100% (22672/22672), done.
Cloned https://github.com/Nodibell/SwiftSci.git
Revision (git rev-parse @):
3c5317de0a39822130d8c59efd405346b1fe7f3e
SPI manifest file found: $PWD/.spi.yml
SUCCESS checkout https://github.com/Nodibell/SwiftSci.git at v3.12.0
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Build
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Selected platform:         watchOS
Swift version:             6.1
Building package at path:  $PWD
https://github.com/Nodibell/SwiftSci.git
https://github.com/Nodibell/SwiftSci.git
error: 'spi-builder-workspace': package 'spi-builder-workspace' is using Swift tools version 6.3.0 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 6.3.0 but the installed version is 6.1.0
Resolved source packages:
  spi-builder-workspace: (null)
2026-10-29 14:41:09.567 xcodebuild[506:2949] Writing error result bundle to /var/folders/5k/5yc19ymj0jqd5v0zvgfqz0xw0000gn/T/ResultBundle_2026-29-10_14-41-0009.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 6.1.0
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 6.3.0 but the installed version is 6.1.0
Resolved source packages:
  spi-builder-workspace: (null)
2026-10-29 14:41:15.101 xcodebuild[662:3786] Writing error result bundle to /var/folders/5k/5yc19ymj0jqd5v0zvgfqz0xw0000gn/T/ResultBundle_2026-29-10_14-41-0015.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 6.1.0
BUILD FAILURE 6.1 watchOS