Build Information
Failed to build JavaScriptKit, reference 0.62.0 (a0961d), with Swift 6.1 for macOS (Xcode) using Xcode 16.3 on 31 Oct 2026 12:24:37 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: 5.1.4
Interrupt handler set up.
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Checkout
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Clone URL: https://github.com/swiftwasm/JavaScriptKit.git
Reference: 0.62.0
Initialized empty Git repository in /Users/admin/builder/spi-builder-workspace/.git/
From https://github.com/swiftwasm/JavaScriptKit
* tag 0.62.0 -> FETCH_HEAD
HEAD is now at a0961dd Merge pull request #822 from wfltaylor/escape-reserved-parameter-names
Cloned https://github.com/swiftwasm/JavaScriptKit.git
Revision (git rev-parse @):
a0961dd40b503d8cbafff520e85c9c6b05614a88
SPI manifest file found: $PWD/.spi.yml
SUCCESS checkout https://github.com/swiftwasm/JavaScriptKit.git at 0.62.0
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Build
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Selected platform: macosXcodebuild
Swift version: 6.1
Building package at path: $PWD
https://github.com/swiftwasm/JavaScriptKit.git
https://github.com/swiftwasm/JavaScriptKit.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)
2026-10-31 05:24:36.901 xcodebuild[503:2912] Writing error result bundle to /var/folders/5k/5yc19ymj0jqd5v0zvgfqz0xw0000gn/T/ResultBundle_2026-31-10_05-24-0036.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)
2026-10-31 05:24:37.660 xcodebuild[513:3024] Writing error result bundle to /var/folders/5k/5yc19ymj0jqd5v0zvgfqz0xw0000gn/T/ResultBundle_2026-31-10_05-24-0037.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 macosXcodebuild