Swift Package Index

Build Information

Failed to build hummingbird-lambda, reference 3.0.0-rc.1 (8d7c2c), with Swift 6.1 for watchOS using Xcode 16.3 on 3 Oct 2026 18:20:14 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/hummingbird-project/hummingbird-lambda.git
Reference: 3.0.0-rc.1
Initialized empty Git repository in /Users/admin/builder/spi-builder-workspace/.git/
From https://github.com/hummingbird-project/hummingbird-lambda
 * tag               3.0.0-rc.1 -> FETCH_HEAD
HEAD is now at 8d7c2c8 Add NonisolatedNonsendingByDefault (#84)
Cloned https://github.com/hummingbird-project/hummingbird-lambda.git
Revision (git rev-parse @):
8d7c2c861ec1f7c8aee96ca37ff890eb83dbaed7
SUCCESS checkout https://github.com/hummingbird-project/hummingbird-lambda.git at 3.0.0-rc.1
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Build
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Selected platform:         watchOS
Swift version:             6.1
Building package at path:  $PWD
https://github.com/hummingbird-project/hummingbird-lambda.git
https://github.com/hummingbird-project/hummingbird-lambda.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)
2026-10-03 11:20:13.805 xcodebuild[503:2872] Writing error result bundle to /var/folders/5k/5yc19ymj0jqd5v0zvgfqz0xw0000gn/T/ResultBundle_2026-03-10_11-20-0013.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)
2026-10-03 11:20:14.521 xcodebuild[512:2957] Writing error result bundle to /var/folders/5k/5yc19ymj0jqd5v0zvgfqz0xw0000gn/T/ResultBundle_2026-03-10_11-20-0014.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