Swift Package IndexBuild Information
Failed to build AgentKitten, reference main (e66e46), with Swift 6.1 for macOS (SPM) on 14 May 2026 20:37:25 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: 4.70.0
Interrupt handler set up.
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Checkout
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Clone URL: https://github.com/fbeeper/agentkitten.git
Reference: main
Initialized empty Git repository in /Users/admin/builder/spi-builder-workspace/.git/
From https://github.com/fbeeper/agentkitten
* branch main -> FETCH_HEAD
* [new branch] main -> origin/main
HEAD is now at e66e46c Update badge styles in README.md
Cloned https://github.com/fbeeper/agentkitten.git
Revision (git rev-parse @):
e66e46c3041555d41f7689785b3880f7718448cf
SUCCESS checkout https://github.com/fbeeper/agentkitten.git at main
========================================
Build
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Selected platform: macosSpm
Swift version: 6.1
Building package at path: $PWD
https://github.com/fbeeper/agentkitten.git
https://github.com/fbeeper/agentkitten.git
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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
Fetching https://github.com/SimplyDanny/SwiftLintPlugins
Fetching https://github.com/swiftlang/swift-syntax from cache
Fetching https://github.com/apple/swift-argument-parser from cache
[1/326] Fetching swiftlintplugins
Fetched https://github.com/SimplyDanny/SwiftLintPlugins from cache (0.66s)
Fetched https://github.com/apple/swift-argument-parser from cache (1.79s)
Fetched https://github.com/swiftlang/swift-syntax from cache (1.86s)
Computing version for https://github.com/swiftlang/swift-syntax
Computed https://github.com/swiftlang/swift-syntax at 600.0.1 (5.05s)
Computing version for https://github.com/SimplyDanny/SwiftLintPlugins
Computed https://github.com/SimplyDanny/SwiftLintPlugins at 0.63.2 (0.48s)
Computing version for https://github.com/apple/swift-argument-parser
Computed https://github.com/apple/swift-argument-parser at 1.7.1 (0.53s)
Creating working copy for https://github.com/swiftlang/swift-syntax
Working copy of https://github.com/swiftlang/swift-syntax resolved at 600.0.1
Creating working copy for https://github.com/SimplyDanny/SwiftLintPlugins
Working copy of https://github.com/SimplyDanny/SwiftLintPlugins resolved at 0.63.2
Creating working copy for https://github.com/apple/swift-argument-parser
Working copy of https://github.com/apple/swift-argument-parser resolved at 1.7.1
Downloading binary artifact https://github.com/realm/SwiftLint/releases/download/0.63.2/SwiftLintBinary.artifactbundle.zip
[8259/72588246] Downloading https://github.com/realm/SwiftLint/releases/download/0.63.2/SwiftLintBinary.artifactbundle.zip
Downloaded https://github.com/realm/SwiftLint/releases/download/0.63.2/SwiftLintBinary.artifactbundle.zip (3.69s)
error: a prebuild command cannot use executables built from source, including executable target 'swiftlint'
error: build planning stopped due to build-tool plugin failures
Running build ...
env DEVELOPER_DIR=/Applications/Xcode-16.3.0.app xcrun swift build --arch arm64
error: a prebuild command cannot use executables built from source, including executable target 'swiftlint'
error: build planning stopped due to build-tool plugin failures
BUILD FAILURE 6.1 macosSpm