Swift Package Index

Build Information

Failed to build StreamKit, reference master (821074), with Swift 6.3 for iOS using Xcode 26.4 on 10 Apr 2026 15:21:23 UTC.

Build Command

No build command. This typically means the build failed at an early stage where we determine the build command.

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
========================================
Build
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Selected platform:         iOS
Swift version:             6.3
Building package at path:  $PWD
https://github.com/skylab-inc/streamkit.git
Command line invocation:
    /Applications/Xcode-26.4.0.app/Contents/Developer/usr/bin/xcodebuild -IDEClonedSourcePackagesDirPathOverride=/Users/admin/builder/spi-builder-workspace/.dependencies -resolvePackageDependencies
Resolve Package Graph
Fetching from https://github.com/mxcl/PromiseKit.git
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 versionResolve Package Graph
Updating from https://github.com/mxcl/PromiseKit.git
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 versionResolve Package Graph
Updating from https://github.com/mxcl/PromiseKit.git
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 versionResolve Package Graph
Updating from https://github.com/mxcl/PromiseKit.git
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
Resolved source packages:
  spi-builder-workspace: (null)
2026-04-10 11:21:20.263 xcodebuild[529:3099] Writing error result bundle to /var/folders/xq/y_g06wb113726d38xsyx71_h0000gn/T/ResultBundle_2026-10-04_11-21-0020.xcresult
xcodebuild: error: Could not resolve package dependencies:
  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
Command line invocation:
    /Applications/Xcode-26.4.0.app/Contents/Developer/usr/bin/xcodebuild -IDEClonedSourcePackagesDirPathOverride=/Users/admin/builder/spi-builder-workspace/.dependencies -resolvePackageDependencies
Resolve Package Graph
Updating from https://github.com/mxcl/PromiseKit.git
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
Resolved source packages:
  spi-builder-workspace: (null)
2026-04-10 11:21:23.440 xcodebuild[759:4193] Writing error result bundle to /var/folders/xq/y_g06wb113726d38xsyx71_h0000gn/T/ResultBundle_2026-10-04_11-21-0023.xcresult
xcodebuild: error: Could not resolve package dependencies:
  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 iOS