Build Information
Failed to build swift-slack, reference 2026.10.2 (bbb7b7), with Swift 6.1 for macOS (SPM) on 10 Oct 2026 14:35:54 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: 5.1.1
Interrupt handler set up.
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Checkout
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Clone URL: https://github.com/ainame/swift-slack.git
Reference: 2026.10.2
Initialized empty Git repository in /Users/admin/builder/spi-builder-workspace/.git/
From https://github.com/ainame/swift-slack
* tag 2026.10.2 -> FETCH_HEAD
HEAD is now at bbb7b77 Prepare 2026.10.2 release
Submodule path 'vendor/java-slack-sdk': checked out '43fad0e0943e53991d9298d08588915116a7a0aa'
Submodule path 'vendor/slack-api-ref': checked out '0ae4e986fbdb824fd4af8ca175ca45142377c8c3'
Submodule 'vendor/java-slack-sdk' (https://github.com/slackapi/java-slack-sdk.git) registered for path 'vendor/java-slack-sdk'
Submodule 'vendor/slack-api-ref' (https://github.com/slack-ruby/slack-api-ref.git) registered for path 'vendor/slack-api-ref'
Cloning into '/Users/admin/builder/spi-builder-workspace/vendor/java-slack-sdk'...
Cloning into '/Users/admin/builder/spi-builder-workspace/vendor/slack-api-ref'...
Cloned https://github.com/ainame/swift-slack.git
Revision (git rev-parse @):
bbb7b7782a72b683d29bfe1f7594cb2f92ec86e1
SPI manifest file found: $PWD/.spi.yml
SUCCESS checkout https://github.com/ainame/swift-slack.git at 2026.10.2
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Build
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Selected platform: macosSpm
Swift version: 6.1
Building package at path: $PWD
https://github.com/ainame/swift-slack.git
https://github.com/ainame/swift-slack.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
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 6.2.0 but the installed version is 6.1.0
error: 'spi-builder-workspace': package 'spi-builder-workspace' is using Swift tools version 6.2.0 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 6.2.0 but the installed version is 6.1.0
error: 'spi-builder-workspace': package 'spi-builder-workspace' is using Swift tools version 6.2.0 but the installed version is 6.1.0
BUILD FAILURE 6.1 macosSpm