Swift Package Index

Build Information

Failed to build SwiftPy, reference v0.30.0 (f02534), with Swift 6.4 for macOS (SPM) on 30 Sep 2026 15:50:34 UTC.

Build Command

env DEVELOPER_DIR=/Applications/Xcode-27.0.0-Release.Candidate.app xcrun swift build --arch arm64

Build Log

========================================
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/felfoldy/SwiftPy.git
Reference: v0.30.0
Initialized empty Git repository in /Users/admin/builder/spi-builder-workspace/.git/
From https://github.com/felfoldy/SwiftPy
 * tag               v0.30.0    -> FETCH_HEAD
HEAD is now at f025340 Pin cpython to its tag, so SwiftPy can be required by version
Cloned https://github.com/felfoldy/SwiftPy.git
Revision (git rev-parse @):
f0253404f3d211ae2bf7be5abec1e7fad97cc243
SUCCESS checkout https://github.com/felfoldy/SwiftPy.git at v0.30.0
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Build
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Selected platform:         macosSpm
Swift version:             6.4
Building package at path:  $PWD
https://github.com/felfoldy/SwiftPy.git
Running build ...
env DEVELOPER_DIR=/Applications/Xcode-27.0.0-Release.Candidate.app xcrun swift build --arch arm64
Fetching https://github.com/swiftlang/swift-syntax.git
Fetching https://github.com/libswiftpy/cpython.git
[1/80087] Fetching swift-syntax
[80088/1301067] Fetching swift-syntax, cpython
Fetched https://github.com/swiftlang/swift-syntax.git (231.19s)
Fetched https://github.com/libswiftpy/cpython.git (231.19s)
Computing version for https://github.com/swiftlang/swift-syntax.git
Computed https://github.com/swiftlang/swift-syntax.git at 601.0.1 (233.64s)
Computing version for https://github.com/libswiftpy/cpython.git
Computed https://github.com/libswiftpy/cpython.git at 3.15.0-swiftpy.1 (0.76s)
Creating working copy for https://github.com/libswiftpy/cpython.git
Working copy of https://github.com/libswiftpy/cpython.git resolved at 3.15.0-swiftpy.1
Creating working copy for https://github.com/swiftlang/swift-syntax.git
Working copy of https://github.com/swiftlang/swift-syntax.git resolved at 601.0.1
error: no host python at /Users/admin/builder/spi-builder-workspace/.build/checkouts/cpython/cross-build/arm64-apple-darwin/python.exe; run Swift/build.sh first
error: build planning stopped due to build-tool plugin failures
BUILD FAILURE 6.4 macosSpm