Swift Package Index

Build Information

Failed to build OpenCombine, reference 0.17.0 (fa6ba5), with Swift 6.1 for watchOS using Xcode 16.3 on 1 Oct 2026 00:24:31 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: 5.1.1
Interrupt handler set up.
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Checkout
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Clone URL: https://github.com/OpenSwiftUIProject/OpenCombine.git
Reference: 0.17.0
Initialized empty Git repository in /Users/admin/builder/spi-builder-workspace/.git/
From https://github.com/OpenSwiftUIProject/OpenCombine
 * tag               0.17.0     -> FETCH_HEAD
HEAD is now at fa6ba53 Fix throttle demand buffering and emission scheduling (#28)
Cloned https://github.com/OpenSwiftUIProject/OpenCombine.git
Revision (git rev-parse @):
fa6ba53f863bba054a1ef9a6088615d0d34528ab
SPI manifest file found: $PWD/.spi.yml
SUCCESS checkout https://github.com/OpenSwiftUIProject/OpenCombine.git at 0.17.0
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Build
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Selected platform:         watchOS
Swift version:             6.1
Building package at path:  $PWD
https://github.com/OpenSwiftUIProject/OpenCombine.git
https://github.com/OpenSwiftUIProject/OpenCombine.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)
2026-09-30 17:24:30.455 xcodebuild[505:2903] Writing error result bundle to /var/folders/5k/5yc19ymj0jqd5v0zvgfqz0xw0000gn/T/ResultBundle_2026-30-09_17-24-0030.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)
2026-09-30 17:24:31.195 xcodebuild[515:3007] Writing error result bundle to /var/folders/5k/5yc19ymj0jqd5v0zvgfqz0xw0000gn/T/ResultBundle_2026-30-09_17-24-0031.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