Swift Package Index

Build Information

Failed to build swift-cardano-uplc, reference 0.1.4 (707df7), with Swift 6.1 for watchOS using Xcode 16.3 on 2 May 2026 07:37:44 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: 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:             6.1
Building package at path:  $PWD
https://github.com/Kingpin-Apps/swift-cardano-uplc.git
https://github.com/Kingpin-Apps/swift-cardano-uplc.git
{
  "dependencies" : [
    {
      "identity" : "swift-cardano-core",
      "requirement" : {
        "range" : [
          {
            "lower_bound" : "0.3.16",
            "upper_bound" : "1.0.0"
          }
        ]
      },
      "type" : "sourceControl",
      "url" : "https://github.com/Kingpin-Apps/swift-cardano-core.git"
    },
    {
      "identity" : "swift-blst",
      "requirement" : {
        "range" : [
          {
            "lower_bound" : "0.1.2",
            "upper_bound" : "1.0.0"
          }
        ]
      },
      "type" : "sourceControl",
      "url" : "https://github.com/Kingpin-Apps/swift-blst.git"
    },
    {
      "identity" : "swift-ncal",
      "requirement" : {
        "range" : [
          {
            "lower_bound" : "0.2.2",
            "upper_bound" : "1.0.0"
          }
        ]
      },
      "type" : "sourceControl",
      "url" : "https://github.com/Kingpin-Apps/swift-ncal.git"
    },
    {
      "identity" : "cryptoswift",
      "requirement" : {
        "range" : [
          {
            "lower_bound" : "1.9.0",
            "upper_bound" : "2.0.0"
          }
        ]
      },
      "type" : "sourceControl",
      "url" : "https://github.com/krzyzanowskim/CryptoSwift.git"
    },
    {
      "identity" : "swift-secp256k1",
      "requirement" : {
        "exact" : [
          "0.22.0"
        ]
      },
      "type" : "sourceControl",
      "url" : "https://github.com/21-DOT-DEV/swift-secp256k1"
    },
    {
      "identity" : "bigint",
      "requirement" : {
        "range" : [
          {
            "lower_bound" : "5.3.0",
            "upper_bound" : "6.0.0"
          }
        ]
      },
      "type" : "sourceControl",
      "url" : "https://github.com/attaswift/BigInt.git"
    },
    {
      "identity" : "swift-log",
      "requirement" : {
        "range" : [
          {
            "lower_bound" : "1.12.0",
            "upper_bound" : "2.0.0"
          }
        ]
      },
      "type" : "sourceControl",
      "url" : "https://github.com/apple/swift-log.git"
    }
  ],
  "manifest_display_name" : "swift-cardano-uplc",
  "name" : "swift-cardano-uplc",
  "path" : "/Users/admin/builder/spi-builder-workspace",
  "platforms" : [
    {
      "name" : "macos",
      "version" : "15.0"
    },
    {
      "name" : "ios",
      "version" : "17.0"
    }
  ],
  "products" : [
    {
      "name" : "SwiftCardanoUPLC",
      "targets" : [
        "SwiftCardanoUPLC"
      ],
      "type" : {
        "library" : [
          "automatic"
        ]
      }
    }
  ],
  "targets" : [
    {
      "c99name" : "SwiftCardanoUPLCTests",
      "module_type" : "SwiftTarget",
      "name" : "SwiftCardanoUPLCTests",
      "path" : "Tests/SwiftCardanoUPLCTests",
      "resources" : [
        {
          "path" : "/Users/admin/builder/spi-builder-workspace/Tests/SwiftCardanoUPLCTests/Resources",
          "rule" : {
            "copy" : {
            }
          }
        }
      ],
      "sources" : [
        "ConformanceTests/BuiltinConformanceTests.swift",
        "ConformanceTests/PlutusConformanceTests.swift",
        "IntegrationTests/CEKMachineEdgeCaseTests.swift",
        "IntegrationTests/FlatEncodingTests.swift",
        "TestHelpers.swift",
        "UnitTests/ASTTests.swift",
        "UnitTests/PhaseTwoUnresolvableInputTests.swift"
      ],
      "target_dependencies" : [
        "SwiftCardanoUPLC"
      ],
      "type" : "test"
    },
    {
      "c99name" : "SwiftCardanoUPLC",
      "module_type" : "SwiftTarget",
      "name" : "SwiftCardanoUPLC",
      "path" : "Sources/SwiftCardanoUPLC",
      "product_dependencies" : [
        "SwiftCardanoCore",
        "SwiftBLST",
        "SwiftNcal",
        "CryptoSwift",
        "P256K",
        "libsecp256k1",
        "BigInt",
        "Logging"
      ],
      "product_memberships" : [
        "SwiftCardanoUPLC"
      ],
      "sources" : [
        "AST/Constant.swift",
        "AST/Name.swift",
        "AST/Program.swift",
        "AST/Term.swift",
        "AST/UPLCType.swift",
        "Builtins/BuiltinRuntime.swift",
        "Builtins/DefaultFunction.swift",
        "Builtins/RIPEMD160.swift",
        "DeBruijn/DeBruijnConverter.swift",
        "Flat/BitReader.swift",
        "Flat/BitWriter.swift",
        "Flat/FlatDecoder.swift",
        "Flat/FlatEncoder.swift",
        "Machine/CEKMachine.swift",
        "Machine/Context.swift",
        "Machine/CostModel.swift",
        "Machine/Environment.swift",
        "Machine/EvalResult.swift",
        "Machine/MachineError.swift",
        "Machine/Value.swift",
        "Parser/UPLCParser.swift",
        "Pretty/PrettyPrinter.swift",
        "TX/PhaseTwo.swift",
        "TX/ScriptContext.swift"
      ],
      "type" : "library"
    }
  ],
  "tools_version" : "6.0"
}
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
Fetching from https://github.com/attaswift/BigInt.git
Fetching from https://github.com/krzyzanowskim/CryptoSwift.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-cardano-core.git
Fetching from https://github.com/Kingpin-Apps/swift-ncal.git
Fetching from https://github.com/apple/swift-log.git (cached)
Resolve Package Graph
Updating from https://github.com/Kingpin-Apps/swift-blst.git
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/krzyzanowskim/CryptoSwift.git
Updating from https://github.com/Kingpin-Apps/swift-cardano-core.git
Updating from https://github.com/Kingpin-Apps/swift-ncal.git
Resolved source packages:
  spi-builder-workspace: (null)
2026-05-02 00:37:41.994 xcodebuild[519:2982] Writing error result bundle to /var/folders/5k/5yc19ymj0jqd5v0zvgfqz0xw0000gn/T/ResultBundle_2026-02-05_00-37-0041.xcresult
xcodebuild: error: Could not resolve package dependencies:
  Failed to resolve dependencies Dependencies could not be resolved because 'swift-ncal' >= 0.2.1 contains incompatible tools version (6.2.0) and root depends on 'swift-ncal' 0.2.2..<1.0.0.
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
Updating from https://github.com/21-DOT-DEV/swift-secp256k1
Updating from https://github.com/Kingpin-Apps/swift-ncal.git
Updating from https://github.com/apple/swift-log.git
Updating from https://github.com/krzyzanowskim/CryptoSwift.git
Updating from https://github.com/attaswift/BigInt.git
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 00:37:44.071 xcodebuild[819:4381] Writing error result bundle to /var/folders/5k/5yc19ymj0jqd5v0zvgfqz0xw0000gn/T/ResultBundle_2026-02-05_00-37-0044.xcresult
xcodebuild: error: Could not resolve package dependencies:
  Failed to resolve dependencies Dependencies could not be resolved because 'swift-ncal' >= 0.2.1 contains incompatible tools version (6.2.0) and root depends on 'swift-ncal' 0.2.2..<1.0.0.
BUILD FAILURE 6.1 watchOS