Swift Package Index

Build Information

Failed to build StreamKit, reference master (821074), with Swift 6.3 for macOS (SPM) on 10 Apr 2026 15:21:35 UTC.

Build Command

env DEVELOPER_DIR=/Applications/Xcode-26.4.0.app xcrun swift build --arch arm64

Build 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/skylab-inc/streamkit.git
Reference: master
Initialized empty Git repository in /Users/admin/builder/spi-builder-workspace/.git/
From https://github.com/skylab-inc/streamkit
 * branch            master     -> FETCH_HEAD
 * [new branch]      master     -> origin/master
HEAD is now at 8210749 Update README.md
Cloned https://github.com/skylab-inc/streamkit.git
Revision (git rev-parse @):
821074970d0212e5556f4cf272b925209adbd95e
SUCCESS checkout https://github.com/skylab-inc/streamkit.git at master
Fetching https://github.com/mxcl/PromiseKit.git
[1/17242] Fetching promisekit
Fetched https://github.com/mxcl/PromiseKit.git from cache (1.94s)
Computing version for https://github.com/mxcl/PromiseKit.git
error: package 'package.swift' is using Swift tools version 3.1.0 which is no longer supported; consider using '// swift-tools-version: 6.3' to specify the current tools version
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Build
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Selected platform:         macosSpm
Swift version:             6.3
Building package at path:  $PWD
https://github.com/skylab-inc/streamkit.git
Running build ...
env DEVELOPER_DIR=/Applications/Xcode-26.4.0.app xcrun swift build --arch arm64
Updating https://github.com/mxcl/PromiseKit.git
Updated https://github.com/mxcl/PromiseKit.git (0.65s)
Computing version for https://github.com/mxcl/PromiseKit.git
error: package 'package.swift' is using Swift tools version 3.1.0 which is no longer supported; consider using '// swift-tools-version: 6.3' to specify the current tools version
BUILD FAILURE 6.3 macosSpm