Swift Package Index

Build Information

Failed to build swift-cardano-uplc, reference 0.1.4 (707df7), with Swift 6.0 for watchOS using Xcode 16.2 on 2 May 2026 07:54:55 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/Kingpin-Apps/swift-cardano-uplc.git
Reference: 0.1.4
Initialized empty Git repository in /Users/admin/builder/spi-builder-workspace/.git/
From https://github.com/Kingpin-Apps/swift-cardano-uplc
 * tag               0.1.4      -> FETCH_HEAD
HEAD is now at 707df7b bump: version 0.1.3 → 0.1.4
Cloned https://github.com/Kingpin-Apps/swift-cardano-uplc.git
Revision (git rev-parse @):
707df7b756bd4dc3fdfd265794ed1a990c67b58b
SPI manifest file found: $PWD/.spi.yml
SUCCESS checkout https://github.com/Kingpin-Apps/swift-cardano-uplc.git at 0.1.4
========================================
Build
========================================
Selected platform:         watchOS
Swift version:             6.0
Building package at path:  $PWD
https://github.com/Kingpin-Apps/swift-cardano-uplc.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/krzyzanowskim/CryptoSwift.git
Fetching from https://github.com/apple/swift-log.git
Fetching from https://github.com/Kingpin-Apps/swift-cardano-core.git
Fetching from https://github.com/Kingpin-Apps/swift-blst.git
Fetching from https://github.com/21-DOT-DEV/swift-secp256k1
Fetching from https://github.com/Kingpin-Apps/swift-ncal.git
Fetching from https://github.com/attaswift/BigInt.git
Resolve Package Graph
Updating from https://github.com/21-DOT-DEV/swift-secp256k1
Updating from https://github.com/attaswift/BigInt.git
Updating from https://github.com/apple/swift-log.git
Updating from https://github.com/Kingpin-Apps/swift-blst.git
Updating from https://github.com/Kingpin-Apps/swift-ncal.git
Updating from https://github.com/krzyzanowskim/CryptoSwift.git
Updating from https://github.com/Kingpin-Apps/swift-cardano-core.git
Resolved source packages:
  spi-builder-workspace: (null)
Resolve Package Graph
Updating from https://github.com/Kingpin-Apps/swift-blst.git
Updating from https://github.com/apple/swift-log.git
Updating from https://github.com/attaswift/BigInt.git
Updating from https://github.com/Kingpin-Apps/swift-cardano-core.git
Updating from https://github.com/21-DOT-DEV/swift-secp256k1
Updating from https://github.com/krzyzanowskim/CryptoSwift.git
Updating from https://github.com/Kingpin-Apps/swift-ncal.git
2026-05-02 00:54:51.096 xcodebuild[477:2759] Writing error result bundle to /var/folders/5k/5yc19ymj0jqd5v0zvgfqz0xw0000gn/T/ResultBundle_2026-02-05_00-54-0051.xcresult
xcodebuild: error: Could not resolve package dependencies:
  Failed to resolve dependencies Dependencies could not be resolved because root depends on 'swift-log' 1.12.0..<2.0.0.
'swift-log' >= 1.12.0 cannot be used because no versions of 'swift-log' match the requirement 1.12.1..<2.0.0 and 'swift-log' 1.12.0 contains incompatible tools version (6.2.0).
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/Kingpin-Apps/swift-ncal.git
Updating from https://github.com/attaswift/BigInt.git
Updating from https://github.com/21-DOT-DEV/swift-secp256k1
Updating from https://github.com/Kingpin-Apps/swift-cardano-core.git
Updating from https://github.com/Kingpin-Apps/swift-blst.git
Updating from https://github.com/apple/swift-log.git
Updating from https://github.com/krzyzanowskim/CryptoSwift.git
Resolved source packages:
  spi-builder-workspace: (null)
2026-05-02 00:54:54.550 xcodebuild[750:4013] Writing error result bundle to /var/folders/5k/5yc19ymj0jqd5v0zvgfqz0xw0000gn/T/ResultBundle_2026-02-05_00-54-0054.xcresult
xcodebuild: error: Could not resolve package dependencies:
  Failed to resolve dependencies Dependencies could not be resolved because root depends on 'swift-log' 1.12.0..<2.0.0.
'swift-log' >= 1.12.0 cannot be used because no versions of 'swift-log' match the requirement 1.12.1..<2.0.0 and 'swift-log' 1.12.0 contains incompatible tools version (6.2.0).
BUILD FAILURE 6.0 watchOS