Swift Package Index

Build Information

Failed to build swift-sass, reference main (176397), with Swift 5.10 for iOS using Xcode 15.4 on 6 Nov 2025 17:44:36 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: 4.68.0
Interrupt handler set up.
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Checkout
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Clone URL: https://github.com/johnfairh/swift-sass.git
Reference: main
Initialized empty Git repository in /Users/admin/builder/spi-builder-workspace/.git/
From https://github.com/johnfairh/swift-sass
 * branch            main       -> FETCH_HEAD
 * [new branch]      main       -> origin/main
HEAD is now at 1763975 Version 3.2.0
Submodule path 'sass': checked out '600e82bdb504e8996fa181fe6f0e8705d677098f'
Submodule 'sass' (https://github.com/sass/sass.git) registered for path 'sass'
Cloning into '/Users/admin/builder/spi-builder-workspace/sass'...
Cloned https://github.com/johnfairh/swift-sass.git
Revision (git rev-parse @):
1763975168b315947dd91b386be844361ab0034f
SUCCESS checkout https://github.com/johnfairh/swift-sass.git at main
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Build
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Selected platform:         iOS
Swift version:             5.10
Building package at path:  $PWD
https://github.com/johnfairh/swift-sass.git
Command line invocation:
    /Applications/Xcode-15.4.0.app/Contents/Developer/usr/bin/xcodebuild -IDEClonedSourcePackagesDirPathOverride=/Users/admin/builder/spi-builder-workspace/.dependencies -resolvePackageDependencies
User defaults from command line:
    IDEClonedSourcePackagesDirPathOverride = /Users/admin/builder/spi-builder-workspace/.dependencies
    IDEPackageSupportUseBuiltinSCM = YES
Resolve Package Graph
Fetching from https://github.com/apple/swift-protobuf.git
Fetching from https://github.com/apple/swift-collections.git
Fetching from https://github.com/apple/swift-system.git
Fetching from https://github.com/johnfairh/SourceMapper.git
Fetching from https://github.com/apple/swift-nio.git
Fetching from https://github.com/apple/swift-atomics.git
Fetching from https://github.com/johnfairh/Semver.swift.git
Fetching from https://github.com/apple/swift-log.git
Creating working copy of package ‘swift’
Checking out 1.2.4 of package ‘swift’
Creating working copy of package ‘swift-system’
Checking out 1.6.3 of package ‘swift-system’
Creating working copy of package ‘SourceMapper’
Checking out 2.0.0 of package ‘SourceMapper’
Creating working copy of package ‘swift-collections’
Checking out 1.3.0 of package ‘swift-collections’
Creating working copy of package ‘swift-atomics’
Checking out 1.3.0 of package ‘swift-atomics’
Creating working copy of package ‘swift-nio’
Checking out 2.88.0 of package ‘swift-nio’
Creating working copy of package ‘swift-protobuf’
Checking out 1.33.3 of package ‘swift-protobuf’
Creating working copy of package ‘swift-log’
Checking out 1.6.4 of package ‘swift-log’
package 'swift-nio' @ 2.88.0 is using Swift tools version 6.0.0 but the installed version is 5.10.0fatalError
2025-11-06 12:44:33.625 xcodebuild[499:2714] Writing error result bundle to /var/folders/fs/0w3t9t1d28xc3bj0tgb8hcrw0000gn/T/ResultBundle_2025-06-11_12-44-0033.xcresult
xcodebuild: error: Could not resolve package dependencies:
  package 'swift-nio' @ 2.88.0 is using Swift tools version 6.0.0 but the installed version is 5.10.0
  fatalError
Command line invocation:
    /Applications/Xcode-15.4.0.app/Contents/Developer/usr/bin/xcodebuild -IDEClonedSourcePackagesDirPathOverride=/Users/admin/builder/spi-builder-workspace/.dependencies -resolvePackageDependencies
User defaults from command line:
    IDEClonedSourcePackagesDirPathOverride = /Users/admin/builder/spi-builder-workspace/.dependencies
    IDEPackageSupportUseBuiltinSCM = YES
Resolve Package Graph
package 'swift-nio' @ 2.88.0 is using Swift tools version 6.0.0 but the installed version is 5.10.0fatalError
2025-11-06 12:44:35.508 xcodebuild[749:4176] Writing error result bundle to /var/folders/fs/0w3t9t1d28xc3bj0tgb8hcrw0000gn/T/ResultBundle_2025-06-11_12-44-0035.xcresult
xcodebuild: error: Could not resolve package dependencies:
  package 'swift-nio' @ 2.88.0 is using Swift tools version 6.0.0 but the installed version is 5.10.0
  fatalError
BUILD FAILURE 5.10 iOS