Swift Package Index

Build Information

Failed to build SwiftBuild, reference main (b2b232), with Swift 6.0 for iOS using Xcode 16.2 on 2 May 2026 00:23:23 UTC.

Build Command

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

Build Log

========================================
RunAll
========================================
Builder version: 4.70.0
Interrupt handler set up.
========================================
Checkout
========================================
Clone URL: https://github.com/swiftlang/swift-build.git
Reference: main
Initialized empty Git repository in /Users/admin/builder/spi-builder-workspace/.git/
From https://github.com/swiftlang/swift-build
 * branch            main       -> FETCH_HEAD
 * [new branch]      main       -> origin/main
HEAD is now at b2b2327 Promise: Resume the continuations outside the lock to avoid potential deadlock if invoked in a cancellation handler
Cloned https://github.com/swiftlang/swift-build.git
Revision (git rev-parse @):
b2b2327d9b5c9023780e2bd4b2512225066ef202
SUCCESS checkout https://github.com/swiftlang/swift-build.git at main
========================================
Build
========================================
Selected platform:         iOS
Swift version:             6.0
Building package at path:  $PWD
https://github.com/swiftlang/swift-build.git
Command line invocation:
    /Applications/Xcode-16.2.0.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/swiftlang/swift-driver.git
Fetching from https://github.com/swiftlang/swift-tools-protocols.git
package 'swift-tools-protocols' @ 49678017c7b83a90a27f56b05c39a19bc2d1c608 is using Swift tools version 6.2.0 but the installed version is 6.0.0 in https://github.com/swiftlang/swift-tools-protocols.gitResolve Package Graph
Updating from https://github.com/swiftlang/swift-driver.git
Updating from https://github.com/swiftlang/swift-tools-protocols.git
package 'swift-tools-protocols' @ 49678017c7b83a90a27f56b05c39a19bc2d1c608 is using Swift tools version 6.2.0 but the installed version is 6.0.0 in https://github.com/swiftlang/swift-tools-protocols.gitResolve Package Graph
Updating from https://github.com/swiftlang/swift-driver.git
Updating from https://github.com/swiftlang/swift-tools-protocols.git
package 'swift-tools-protocols' @ 49678017c7b83a90a27f56b05c39a19bc2d1c608 is using Swift tools version 6.2.0 but the installed version is 6.0.0 in https://github.com/swiftlang/swift-tools-protocols.git
Resolved source packages:
  spi-builder-workspace: (null)
2026-05-01 17:23:18.637 xcodebuild[478:2762] Writing error result bundle to /var/folders/5k/5yc19ymj0jqd5v0zvgfqz0xw0000gn/T/ResultBundle_2026-01-05_17-23-0018.xcresult
xcodebuild: error: Could not resolve package dependencies:
  package 'swift-tools-protocols' @ 49678017c7b83a90a27f56b05c39a19bc2d1c608 is using Swift tools version 6.2.0 but the installed version is 6.0.0 in https://github.com/swiftlang/swift-tools-protocols.git
Command line invocation:
    /Applications/Xcode-16.2.0.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/swiftlang/swift-driver.git
Updating from https://github.com/swiftlang/swift-tools-protocols.git
package 'swift-tools-protocols' @ 49678017c7b83a90a27f56b05c39a19bc2d1c608 is using Swift tools version 6.2.0 but the installed version is 6.0.0 in https://github.com/swiftlang/swift-tools-protocols.git
Resolved source packages:
  spi-builder-workspace: (null)
2026-05-01 17:23:22.507 xcodebuild[642:3796] Writing error result bundle to /var/folders/5k/5yc19ymj0jqd5v0zvgfqz0xw0000gn/T/ResultBundle_2026-01-05_17-23-0022.xcresult
xcodebuild: error: Could not resolve package dependencies:
  package 'swift-tools-protocols' @ 49678017c7b83a90a27f56b05c39a19bc2d1c608 is using Swift tools version 6.2.0 but the installed version is 6.0.0 in https://github.com/swiftlang/swift-tools-protocols.git
BUILD FAILURE 6.0 iOS