Swift Package Index

Build Information

Failed to build ReactiveConcurrency, reference v2.1.0 (2afd10), with Swift 6.1 for tvOS using Xcode 16.3 on 22 Oct 2026 05:00:52 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: 5.1.3
Interrupt handler set up.
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Checkout
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Clone URL: https://github.com/luizmb/ReactiveConcurrency.git
Reference: v2.1.0
Initialized empty Git repository in /Users/admin/builder/spi-builder-workspace/.git/
From https://github.com/luizmb/ReactiveConcurrency
 * tag               v2.1.0     -> FETCH_HEAD
HEAD is now at 2afd10d docs: bump install version to 2.1.0 (README + DocC + docs)
Cloned https://github.com/luizmb/ReactiveConcurrency.git
Revision (git rev-parse @):
2afd10d5b4e7d2700589d33047fcfaae66827212
SPI manifest file found: $PWD/.spi.yml
SUCCESS checkout https://github.com/luizmb/ReactiveConcurrency.git at v2.1.0
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Build
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Selected platform:         tvOS
Swift version:             6.1
Building package at path:  $PWD
https://github.com/luizmb/ReactiveConcurrency.git
https://github.com/luizmb/ReactiveConcurrency.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)
2026-10-21 22:00:52.013 xcodebuild[504:2886] Writing error result bundle to /var/folders/5k/5yc19ymj0jqd5v0zvgfqz0xw0000gn/T/ResultBundle_2026-21-10_22-00-0052.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)
2026-10-21 22:00:52.751 xcodebuild[514:2992] Writing error result bundle to /var/folders/5k/5yc19ymj0jqd5v0zvgfqz0xw0000gn/T/ResultBundle_2026-21-10_22-00-0052.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 tvOS