Build Information
Failed to build USearch, reference v2.25.1 (22d59b), with Swift 6.0 for watchOS using Xcode 16.2 on 20 Apr 2026 12:02:28 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/unum-cloud/usearch.git
Reference: v2.25.1
Initialized empty Git repository in /Users/admin/builder/spi-builder-workspace/.git/
From https://github.com/unum-cloud/usearch
* tag v2.25.1 -> FETCH_HEAD
HEAD is now at 22d59bb Release: v2.25.1 [skip ci] ### Patch
Submodule path 'numkong': checked out '14daf40059045660775ec39d161f2b51e0a0f2dc'
Submodule path 'stringzilla': checked out '30d3e2129654d8269b3f66726414f9694c834e25'
Submodule 'numkong' (https://github.com/ashvardanian/NumKong) registered for path 'numkong'
Submodule 'stringzilla' (https://github.com/ashvardanian/stringzilla) registered for path 'stringzilla'
Cloning into '/Users/admin/builder/spi-builder-workspace/numkong'...
Cloning into '/Users/admin/builder/spi-builder-workspace/stringzilla'...
Cloned https://github.com/unum-cloud/usearch.git
Revision (git rev-parse @):
22d59bb3ebaa3d566ff45652ce4b0d0711abb779
SUCCESS checkout https://github.com/unum-cloud/usearch.git at v2.25.1
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Build
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Selected platform: watchOS
Swift version: 6.0
Building package at path: $PWD
https://github.com/unum-cloud/usearch.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
Fetching from https://github.com/ashvardanian/NumKong
Resolve Package Graph
Updating from https://github.com/ashvardanian/NumKong
Resolved source packages:
spi-builder-workspace: (null)
Resolve Package Graph
Updating from https://github.com/ashvardanian/NumKong
2026-04-20 05:02:25.393 xcodebuild[500:2840] Writing error result bundle to /var/folders/5k/5yc19ymj0jqd5v0zvgfqz0xw0000gn/T/ResultBundle_2026-20-04_05-02-0025.xcresult
xcodebuild: error: Could not resolve package dependencies:
Failed to resolve dependencies Dependencies could not be resolved because 'numkong' >= 7.4.3 contains incompatible tools version (6.1.0) and root depends on 'numkong' 7.5.0..<8.0.0.
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
Updating from https://github.com/ashvardanian/NumKong
Resolved source packages:
spi-builder-workspace: (null)
2026-04-20 05:02:27.856 xcodebuild[629:3643] Writing error result bundle to /var/folders/5k/5yc19ymj0jqd5v0zvgfqz0xw0000gn/T/ResultBundle_2026-20-04_05-02-0027.xcresult
xcodebuild: error: Could not resolve package dependencies:
Failed to resolve dependencies Dependencies could not be resolved because 'numkong' >= 7.4.3 contains incompatible tools version (6.1.0) and root depends on 'numkong' 7.5.0..<8.0.0.
BUILD FAILURE 6.0 watchOS