Build Information
Failed to build swift-kafka-client, reference main (b3de5e), with Swift 6.1 for macOS (SPM) on 29 Oct 2026 20:50:30 UTC.
Build Command
env DEVELOPER_DIR=/Applications/Xcode-16.3.0.app xcrun swift build --arch arm64Build 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/swift-server/swift-kafka-client.git
Reference: main
Initialized empty Git repository in /Users/admin/builder/spi-builder-workspace/.git/
From https://github.com/swift-server/swift-kafka-client
* branch main -> FETCH_HEAD
* [new branch] main -> origin/main
HEAD is now at b3de5e6 Re-enable the API breakage check and remove api-breakages.txt (#269)
Submodule path 'Sources/Crdkafka/librdkafka': checked out 'e0da09cc26241ee123c793f806c27b5df494b094'
Submodule 'Sources/Crdkafka/librdkafka' (https://github.com/confluentinc/librdkafka) registered for path 'Sources/Crdkafka/librdkafka'
Cloning into '/Users/admin/builder/spi-builder-workspace/Sources/Crdkafka/librdkafka'...
Cloned https://github.com/swift-server/swift-kafka-client.git
Revision (git rev-parse @):
b3de5e6fdf29b1a9c42a7c599afa809478563fa6
SPI manifest file found: $PWD/.spi.yml
SUCCESS checkout https://github.com/swift-server/swift-kafka-client.git at main
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Build
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Selected platform: macosSpm
Swift version: 6.1
Building package at path: $PWD
https://github.com/swift-server/swift-kafka-client.git
https://github.com/swift-server/swift-kafka-client.git
error: 'spi-builder-workspace': package 'spi-builder-workspace' is using Swift tools version 6.2.3 but the installed version is 6.1.0
error: fatalError
Running build ...
env DEVELOPER_DIR=/Applications/Xcode-16.3.0.app xcrun swift build --arch arm64 -Xswiftc -Xfrontend -Xswiftc -stats-output-dir -Xswiftc -Xfrontend -Xswiftc .stats -Xswiftc -strict-concurrency=complete -Xswiftc -enable-upcoming-feature -Xswiftc StrictConcurrency -Xswiftc -enable-upcoming-feature -Xswiftc DisableOutwardActorInference -Xswiftc -enable-upcoming-feature -Xswiftc GlobalActorIsolatedTypesUsability -Xswiftc -enable-upcoming-feature -Xswiftc InferSendableFromCaptures
error: 'spi-builder-workspace': package 'spi-builder-workspace' is using Swift tools version 6.2.3 but the installed version is 6.1.0
error: 'spi-builder-workspace': package 'spi-builder-workspace' is using Swift tools version 6.2.3 but the installed version is 6.1.0
Running build ...
env DEVELOPER_DIR=/Applications/Xcode-16.3.0.app xcrun swift build --arch arm64
error: 'spi-builder-workspace': package 'spi-builder-workspace' is using Swift tools version 6.2.3 but the installed version is 6.1.0
error: 'spi-builder-workspace': package 'spi-builder-workspace' is using Swift tools version 6.2.3 but the installed version is 6.1.0
BUILD FAILURE 6.1 macosSpm