The Swift Package Index logo.Swift Package Index

Track the adoption of Swift 6 strict concurrency checks for data race safety. How many packages are Ready for Swift 6?

Build Information

Failed to build swift-playground, reference master (305f7e), with Swift 5.9 for iOS using Xcode 15.2 on 6 May 2025 07:45:12 UTC.

Build Command

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

Build Log

========================================
RunAll
========================================
Builder version: 4.61.3
Interrupt handler set up.
========================================
Checkout
========================================
Clone URL: https://github.com/swiftfiddle/swiftfiddle-web.git
Reference: master
Initialized empty Git repository in /Users/admin/builder/spi-builder-workspace/.git/
From https://github.com/swiftfiddle/swiftfiddle-web
 * branch            master     -> FETCH_HEAD
 * [new branch]      master     -> origin/master
HEAD is now at 305f7e2 Update dependency bootstrap to v5.3.6 (#1047)
Cloned https://github.com/swiftfiddle/swiftfiddle-web.git
Revision (git rev-parse @):
305f7e29b6c202861e651bbf59d0894de2af878f
SUCCESS checkout https://github.com/swiftfiddle/swiftfiddle-web.git at master
========================================
Build
========================================
Selected platform:         iOS
Swift version:             5.9
Building package at path:  $PWD
https://github.com/swiftfiddle/swiftfiddle-web.git
Command line invocation:
    /Applications/Xcode-15.2.0.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/vapor/vapor.git
Fetching from https://github.com/vapor/leaf.git
Resolve Package Graph
Updating from https://github.com/vapor/vapor.git
Updating from https://github.com/vapor/leaf.git
Resolved source packages:
  swift-playground: /Users/admin/builder/spi-builder-workspace
Resolve Package Graph
Updating from https://github.com/vapor/vapor.git
Updating from https://github.com/vapor/leaf.git
2025-05-06 03:45:08.880 xcodebuild[456:2489] Writing error result bundle to /var/folders/fs/0w3t9t1d28xc3bj0tgb8hcrw0000gn/T/ResultBundle_2025-06-05_03-45-0008.xcresult
xcodebuild: error: Could not resolve package dependencies:
  Dependencies could not be resolved because root depends on 'leaf' 4.5.0..<5.0.0.
'leaf' >= 4.5.0 cannot be used because no versions of 'leaf' match the requirement 4.5.1..<5.0.0 and 'leaf' 4.5.0 contains incompatible tools version (5.10.0).
Command line invocation:
    /Applications/Xcode-15.2.0.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
Updating from https://github.com/vapor/leaf.git
Updating from https://github.com/vapor/vapor.git
Resolved source packages:
  swift-playground: /Users/admin/builder/spi-builder-workspace
2025-05-06 03:45:11.601 xcodebuild[566:3031] Writing error result bundle to /var/folders/fs/0w3t9t1d28xc3bj0tgb8hcrw0000gn/T/ResultBundle_2025-06-05_03-45-0011.xcresult
xcodebuild: error: Could not resolve package dependencies:
  Dependencies could not be resolved because root depends on 'leaf' 4.5.0..<5.0.0.
'leaf' >= 4.5.0 cannot be used because no versions of 'leaf' match the requirement 4.5.1..<5.0.0 and 'leaf' 4.5.0 contains incompatible tools version (5.10.0).
BUILD FAILURE 5.9 iOS