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Build Information

Failed to build K1, reference main (ab8065), with Swift 6.1 for watchOS using Xcode 16.3 on 30 Jan 2026 16:54:38 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/Sajjon/K1.git
Reference: main
Initialized empty Git repository in /Users/admin/builder/spi-builder-workspace/.git/
From https://github.com/Sajjon/K1
 * branch            main       -> FETCH_HEAD
 * [new branch]      main       -> origin/main
HEAD is now at ab80658 Migrate to 6.2.1 (#52)
Submodule path 'Sources/secp256k1/libsecp256k1': checked out '1a53f4961f337b4d166c25fce72ef0dc88806618'
Submodule 'Sources/secp256k1/libsecp256k1' (https://github.com/bitcoin-core/secp256k1.git) registered for path 'Sources/secp256k1/libsecp256k1'
Cloning into '/Users/admin/builder/spi-builder-workspace/Sources/secp256k1/libsecp256k1'...
Cloned https://github.com/Sajjon/K1.git
Revision (git rev-parse @):
ab80658b14719d51b1b07ca631adf095e1b24e00
SPI manifest file found: $PWD/.spi.yml
SUCCESS checkout https://github.com/Sajjon/K1.git at main
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Build
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Selected platform:         watchOS
Swift version:             6.1
Building package at path:  $PWD
https://github.com/Sajjon/K1.git
https://github.com/Sajjon/K1.git
error: 'spi-builder-workspace': package 'spi-builder-workspace' is using Swift tools version 6.2.1 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 'update-libsecp' is using Swift tools version 6.2.1 but the installed version is 6.1.0
Resolved source packages:
  update-libsecp: (null)
2026-01-30 08:54:38.075 xcodebuild[533:3052] Writing error result bundle to /var/folders/5k/5yc19ymj0jqd5v0zvgfqz0xw0000gn/T/ResultBundle_2026-30-01_08-54-0038.xcresult
xcodebuild: error: Could not resolve package dependencies:
  package 'update-libsecp' is using Swift tools version 6.2.1 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 'update-libsecp' is using Swift tools version 6.2.1 but the installed version is 6.1.0
Resolved source packages:
  update-libsecp: (null)
2026-01-30 08:54:38.758 xcodebuild[548:3215] Writing error result bundle to /var/folders/5k/5yc19ymj0jqd5v0zvgfqz0xw0000gn/T/ResultBundle_2026-30-01_08-54-0038.xcresult
xcodebuild: error: Could not resolve package dependencies:
  package 'update-libsecp' is using Swift tools version 6.2.1 but the installed version is 6.1.0
BUILD FAILURE 6.1 watchOS