Swift Package Index

Build Information

Failed to build swift-cardano-uplc, reference main (707df7), with Swift 6.0 for macOS (SPM) on 2 May 2026 07:38:10 UTC.

Build Command

env DEVELOPER_DIR=/Applications/Xcode-16.2.0.app xcrun swift build --arch arm64

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:         macosSpm
Swift version:             6.0
Building package at path:  $PWD
https://github.com/Kingpin-Apps/swift-cardano-uplc.git
Running build ...
env DEVELOPER_DIR=/Applications/Xcode-16.2.0.app xcrun swift build --arch arm64
Fetching https://github.com/apple/swift-log.git
Fetching https://github.com/attaswift/BigInt.git
Fetching https://github.com/Kingpin-Apps/swift-ncal.git
Fetching https://github.com/krzyzanowskim/CryptoSwift.git
Fetching https://github.com/21-DOT-DEV/swift-secp256k1
Fetching https://github.com/Kingpin-Apps/swift-blst.git
Fetching https://github.com/Kingpin-Apps/swift-cardano-core.git
[1/4878] Fetching bigint
[2/4975] Fetching bigint, swift-blst
[48/5468] Fetching bigint, swift-blst, swift-ncal
[260/9216] Fetching bigint, swift-blst, swift-ncal, swift-cardano-core
[298/16026] Fetching bigint, swift-blst, swift-ncal, swift-cardano-core, swift-log
[455/29413] Fetching bigint, swift-blst, swift-ncal, swift-cardano-core, swift-log, cryptoswift
[17219/40111] Fetching bigint, swift-blst, swift-ncal, swift-cardano-core, swift-log, cryptoswift, swift-secp256k1
Fetched https://github.com/attaswift/BigInt.git from cache (1.36s)
[13775/35233] Fetching swift-blst, swift-ncal, swift-cardano-core, swift-log, cryptoswift, swift-secp256k1
Fetched https://github.com/krzyzanowskim/CryptoSwift.git from cache (2.16s)
Fetched https://github.com/21-DOT-DEV/swift-secp256k1 from cache (2.16s)
Fetched https://github.com/Kingpin-Apps/swift-ncal.git from cache (2.16s)
Fetched https://github.com/Kingpin-Apps/swift-cardano-core.git from cache (2.16s)
Fetched https://github.com/apple/swift-log.git from cache (2.16s)
Fetched https://github.com/Kingpin-Apps/swift-blst.git from cache (2.16s)
Computing version for https://github.com/apple/swift-log.git
error: 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 macosSpm