Build Information
Failed to build swift-tailscale-client, reference v0.3.1 (2028d1), with Swift 6.0 for iOS using Xcode 16.2 on 15 Jan 2026 06:45:49 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/dweekly/swift-tailscale-client.git
Reference: v0.3.1
Initialized empty Git repository in /Users/admin/builder/spi-builder-workspace/.git/
From https://github.com/dweekly/swift-tailscale-client
* tag v0.3.1 -> FETCH_HEAD
HEAD is now at 2028d1a Prepare v0.3.1 release
Cloned https://github.com/dweekly/swift-tailscale-client.git
Revision (git rev-parse @):
2028d1ad3f2195e7255cf3fbc7ef7008d180119e
SUCCESS checkout https://github.com/dweekly/swift-tailscale-client.git at v0.3.1
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Build
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Selected platform: iOS
Swift version: 6.0
Building package at path: $PWD
https://github.com/dweekly/swift-tailscale-client.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
2026-01-14 22:45:46.691 xcodebuild[508:2963] Writing error result bundle to /var/folders/5k/5yc19ymj0jqd5v0zvgfqz0xw0000gn/T/ResultBundle_2026-14-01_22-45-0046.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)
2026-01-14 22:45:48.542 xcodebuild[569:3318] Writing error result bundle to /var/folders/5k/5yc19ymj0jqd5v0zvgfqz0xw0000gn/T/ResultBundle_2026-14-01_22-45-0048.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