Build Information
Failed to build swift-rfc-5952, reference 0.1.5 (28470d), with Swift 6.1 for visionOS using Xcode 16.3 on 23 Apr 2026 19:19:41 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: 4.70.0
Interrupt handler set up.
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Checkout
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Clone URL: https://github.com/swift-ietf/swift-rfc-5952.git
Reference: 0.1.5
Initialized empty Git repository in /Users/admin/builder/spi-builder-workspace/.git/
From https://github.com/swift-ietf/swift-rfc-5952
* tag 0.1.5 -> FETCH_HEAD
HEAD is now at 28470d6 Fix String(address) to use ASCII serialization
Cloned https://github.com/swift-ietf/swift-rfc-5952.git
Revision (git rev-parse @):
28470d631e4a916ab9909e027ae676112b4d68ea
SUCCESS checkout https://github.com/swift-ietf/swift-rfc-5952.git at 0.1.5
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Build
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Selected platform: visionOS
Swift version: 6.1
Building package at path: $PWD
https://github.com/swift-ietf/swift-rfc-5952.git
https://github.com/swift-ietf/swift-rfc-5952.git
error: 'spi-builder-workspace': package 'spi-builder-workspace' is using Swift tools version 6.2.0 but the installed version is 6.1.0
error: fatalError
Command line invocation:
/Applications/Xcode-16.3.0.app/Contents/Developer/usr/bin/xcodebuild -IDEClonedSourcePackagesDirPathOverride=/Users/admin/builder/spi-builder-workspace/.dependencies -resolvePackageDependencies
Resolve Package Graph
package 'spi-builder-workspace' is using Swift tools version 6.2.0 but the installed version is 6.1.0
Resolved source packages:
spi-builder-workspace: (null)
2026-04-23 12:19:40.765 xcodebuild[494:2879] Writing error result bundle to /var/folders/5k/5yc19ymj0jqd5v0zvgfqz0xw0000gn/T/ResultBundle_2026-23-04_12-19-0040.xcresult
xcodebuild: error: Could not resolve package dependencies:
package 'spi-builder-workspace' is using Swift tools version 6.2.0 but the installed version is 6.1.0
Command line invocation:
/Applications/Xcode-16.3.0.app/Contents/Developer/usr/bin/xcodebuild -IDEClonedSourcePackagesDirPathOverride=/Users/admin/builder/spi-builder-workspace/.dependencies -resolvePackageDependencies
Resolve Package Graph
package 'spi-builder-workspace' is using Swift tools version 6.2.0 but the installed version is 6.1.0
Resolved source packages:
spi-builder-workspace: (null)
2026-04-23 12:19:41.475 xcodebuild[504:2965] Writing error result bundle to /var/folders/5k/5yc19ymj0jqd5v0zvgfqz0xw0000gn/T/ResultBundle_2026-23-04_12-19-0041.xcresult
xcodebuild: error: Could not resolve package dependencies:
package 'spi-builder-workspace' is using Swift tools version 6.2.0 but the installed version is 6.1.0
BUILD FAILURE 6.1 visionOS