Swift Package Index

Build Information

Failed to build swift-async-dns-resolver, reference main (9900d9), with Swift 6.0 for iOS using Xcode 16.2 on 10 Apr 2026 00:50:41 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: 4.69.2
Interrupt handler set up.
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Checkout
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Clone URL: https://github.com/apple/swift-async-dns-resolver.git
Reference: main
Initialized empty Git repository in /Users/admin/builder/spi-builder-workspace/.git/
From https://github.com/apple/swift-async-dns-resolver
 * branch            main       -> FETCH_HEAD
 * [new branch]      main       -> origin/main
HEAD is now at 9900d9b Drop Swift 6.0 (#83)
Submodule path 'Sources/CAsyncDNSResolver/c-ares': checked out '6360e96b5cf8e5980c887ce58ef727e53d77243a'
Submodule 'c-ares' (https://github.com/c-ares/c-ares.git) registered for path 'Sources/CAsyncDNSResolver/c-ares'
Cloning into '/Users/admin/builder/spi-builder-workspace/Sources/CAsyncDNSResolver/c-ares'...
Cloned https://github.com/apple/swift-async-dns-resolver.git
Revision (git rev-parse @):
9900d9b4113427a170d5f26075c2128be94984df
SPI manifest file found: $PWD/.spi.yml
SUCCESS checkout https://github.com/apple/swift-async-dns-resolver.git at main
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Build
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Selected platform:         iOS
Swift version:             6.0
Building package at path:  $PWD
https://github.com/apple/swift-async-dns-resolver.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
package 'spi-builder-workspace' is using Swift tools version 6.1.0 but the installed version is 6.0.0
Resolved source packages:
  spi-builder-workspace: (null)
Resolve Package Graph
package 'spi-builder-workspace' is using Swift tools version 6.1.0 but the installed version is 6.0.0
2026-04-09 17:50:38.412 xcodebuild[489:2814] Writing error result bundle to /var/folders/5k/5yc19ymj0jqd5v0zvgfqz0xw0000gn/T/ResultBundle_2026-09-04_17-50-0038.xcresult
xcodebuild: error: Could not resolve package dependencies:
  package 'spi-builder-workspace' is using Swift tools version 6.1.0 but the installed version is 6.0.0
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
package 'spi-builder-workspace' is using Swift tools version 6.1.0 but the installed version is 6.0.0
Resolved source packages:
  spi-builder-workspace: (null)
2026-04-09 17:50:40.233 xcodebuild[547:3158] Writing error result bundle to /var/folders/5k/5yc19ymj0jqd5v0zvgfqz0xw0000gn/T/ResultBundle_2026-09-04_17-50-0040.xcresult
xcodebuild: error: Could not resolve package dependencies:
  package 'spi-builder-workspace' is using Swift tools version 6.1.0 but the installed version is 6.0.0
BUILD FAILURE 6.0 iOS