Swift Package Index

Build Information

Failed to build swift-cardano-uplc, reference main (707df7), with Swift 6.0 for visionOS using Xcode 16.2 on 2 May 2026 07:37:30 UTC.

Build Command

No build command. This typically means the build failed at an early stage where we determine the build command.

Build Log

========================================
RunAll
========================================
Builder version: 4.70.0
Interrupt handler set up.
========================================
Checkout
========================================
Clone URL: https://github.com/Kingpin-Apps/swift-cardano-uplc.git
Reference: main
Initialized empty Git repository in /Users/admin/builder/spi-builder-workspace/.git/
From https://github.com/Kingpin-Apps/swift-cardano-uplc
 * branch            main       -> FETCH_HEAD
 * [new branch]      main       -> origin/main
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 main
========================================
Build
========================================
Selected platform:         visionOS
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/21-DOT-DEV/swift-secp256k1
Fetching from https://github.com/Kingpin-Apps/swift-cardano-core.git
Fetching from https://github.com/Kingpin-Apps/swift-ncal.git
Fetching from https://github.com/apple/swift-log.git
Fetching from https://github.com/attaswift/BigInt.git
Fetching from https://github.com/Kingpin-Apps/swift-blst.git
Fetching from https://github.com/krzyzanowskim/CryptoSwift.git
Resolve Package Graph
Updating from https://github.com/21-DOT-DEV/swift-secp256k1
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-ncal.git
Updating from https://github.com/krzyzanowskim/CryptoSwift.git
Updating from https://github.com/Kingpin-Apps/swift-blst.git
Updating from https://github.com/Kingpin-Apps/swift-cardano-core.git
Resolve Package Graph
Updating from https://github.com/Kingpin-Apps/swift-blst.git
Updating from https://github.com/krzyzanowskim/CryptoSwift.git
Updating from https://github.com/Kingpin-Apps/swift-ncal.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
Resolved source packages:
  spi-builder-workspace: (null)
2026-05-02 00:37:25.617 xcodebuild[477:2769] Writing error result bundle to /var/folders/5k/5yc19ymj0jqd5v0zvgfqz0xw0000gn/T/ResultBundle_2026-02-05_00-37-0025.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/apple/swift-log.git
Updating from https://github.com/Kingpin-Apps/swift-ncal.git
Updating from https://github.com/krzyzanowskim/CryptoSwift.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-blst.git
Updating from https://github.com/Kingpin-Apps/swift-cardano-core.git
Resolved source packages:
  spi-builder-workspace: (null)
2026-05-02 00:37:29.029 xcodebuild[750:4018] Writing error result bundle to /var/folders/5k/5yc19ymj0jqd5v0zvgfqz0xw0000gn/T/ResultBundle_2026-02-05_00-37-0029.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 visionOS