Swift Package Index

Build Information

Failed to build UInt256, reference master (a5cd57), with Swift 6.4 for macOS (Xcode) using Xcode 27.0 on 17 Sep 2026 01:06:21 UTC.

Build Command

env DEVELOPER_DIR=/Applications/Xcode-27.0.0-Release.Candidate.app xcrun xcodebuild -IDEClonedSourcePackagesDirPathOverride=$PWD/.dependencies -skipMacroValidation -skipPackagePluginValidation -derivedDataPath $PWD/.derivedData build -scheme UInt256-Package -destination platform=macOS,arch=arm64

Build Log

========================================
RunAll
========================================
Builder version: 5.1.0
Interrupt handler set up.
========================================
Checkout
========================================
Clone URL: https://github.com/hyugit/UInt256.git
Reference: master
Initialized empty Git repository in /Users/admin/builder/spi-builder-workspace/.git/
From https://github.com/hyugit/UInt256
 * branch            master     -> FETCH_HEAD
 * [new branch]      master     -> origin/master
HEAD is now at a5cd575 Update min and max in UnsignedInteger extension to support Swift 6.0 (#8)
Cloned https://github.com/hyugit/UInt256.git
Revision (git rev-parse @):
a5cd5756244550da79721986ef303cfad3987c75
SUCCESS checkout https://github.com/hyugit/UInt256.git at master
========================================
Build
========================================
Selected platform:         macosXcodebuild
Swift version:             6.4
Building package at path:  $PWD
https://github.com/hyugit/UInt256.git
Command line invocation:
    /Applications/Xcode-27.0.0-Release.Candidate.app/Contents/Developer/usr/bin/xcodebuild -IDEClonedSourcePackagesDirPathOverride=/Users/admin/builder/spi-builder-workspace/.dependencies -resolvePackageDependencies
resolved source packages:
{
  "dependencies" : [
  ],
  "manifest_display_name" : "UInt256",
  "name" : "UInt256",
  "path" : "/Users/admin/builder/spi-builder-workspace",
  "platforms" : [
  ],
  "products" : [
    {
      "name" : "UInt256",
      "targets" : [
        "UInt256"
      ],
      "type" : {
        "library" : [
          "automatic"
        ]
      }
    }
  ],
  "targets" : [
    {
      "c99name" : "UInt256Tests",
      "module_type" : "SwiftTarget",
      "name" : "UInt256Tests",
      "path" : "Tests",
      "sources" : [
        "Arithmetics.swift",
        "BinaryOperations.swift",
        "LinuxMain.swift",
        "PerformanceTests.swift",
        "UInt256Tests.swift"
      ],
      "target_dependencies" : [
        "UInt256"
      ],
      "type" : "test"
    },
    {
      "c99name" : "UInt256",
      "module_type" : "SwiftTarget",
      "name" : "UInt256",
      "path" : "Sources",
      "product_memberships" : [
        "UInt256"
      ],
      "sources" : [
        "FixedWidthInteger+BarrettDivision.swift",
        "FixedWidthInteger+LongDivision.swift",
        "UInt256+BinaryInteger.swift",
        "UInt256+Comparable.swift",
        "UInt256+CustomStringConvertible.swift",
        "UInt256+Divide&Conquer.swift",
        "UInt256+Equatable.swift",
        "UInt256+ExpressibleByIntegerLiteral.swift",
        "UInt256+FixedWidthInteger.swift",
        "UInt256+Hashable.swift",
        "UInt256+Karatsuba.swift",
        "UInt256+Numeric.swift",
        "UInt256+UnsignedInteger.swift",
        "UInt256+arc4random.swift",
        "UInt256.swift"
      ],
      "type" : "library"
    }
  ],
  "tools_version" : "4.0"
}
{
  "project" : {
    "configurations" : [
      "Debug",
      "Release"
    ],
    "name" : "UInt256",
    "schemes" : [
      "UInt256-Package",
      "UInt256PackageDescription",
      "UInt256PackageTests"
    ],
    "targets" : [
      "UInt256",
      "UInt256PackageDescription",
      "UInt256PackageTests",
      "UInt256Tests"
    ]
  }
}
Running build ...
env DEVELOPER_DIR=/Applications/Xcode-27.0.0-Release.Candidate.app xcrun xcodebuild -IDEClonedSourcePackagesDirPathOverride=$PWD/.dependencies -skipMacroValidation -skipPackagePluginValidation -derivedDataPath $PWD/.derivedData build -scheme UInt256-Package -destination platform=macOS,arch=arm64
Command line invocation:
    /Applications/Xcode-27.0.0-Release.Candidate.app/Contents/Developer/usr/bin/xcodebuild -IDEClonedSourcePackagesDirPathOverride=/Users/admin/builder/spi-builder-workspace/.dependencies -skipMacroValidation -skipPackagePluginValidation -derivedDataPath /Users/admin/builder/spi-builder-workspace/.derivedData build -scheme UInt256-Package -destination platform=macOS,arch=arm64
ComputePackagePrebuildTargetDependencyGraph
Prepare packages
CreateBuildRequest
SendProjectDescription
CreateBuildOperation
ComputeTargetDependencyGraph
note: Building targets in dependency order
note: Target dependency graph (1 target)
    Target 'UInt256' in project 'UInt256' (no dependencies)
GatherProvisioningInputs
CreateBuildDescription
ExecuteExternalTool /Applications/Xcode-27.0.0-Release.Candidate.app/Contents/Developer/Toolchains/XcodeDefault.xctoolchain/usr/bin/clang -v -E -dM -isysroot /Applications/Xcode-27.0.0-Release.Candidate.app/Contents/Developer/Platforms/MacOSX.platform/Developer/SDKs/MacOSX27.0.sdk -x c -c /dev/null
ExecuteExternalTool /Applications/Xcode-27.0.0-Release.Candidate.app/Contents/Developer/Toolchains/XcodeDefault.xctoolchain/usr/bin/swiftc --version
ExecuteExternalTool /Applications/Xcode-27.0.0-Release.Candidate.app/Contents/Developer/Toolchains/XcodeDefault.xctoolchain/usr/bin/ld -version_details
Build description signature: 0892c70d0b7110dc46802d020ad753a1
Build description path: /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/XCBuildData/0892c70d0b7110dc46802d020ad753a1.xcbuilddata
/Users/admin/builder/spi-builder-workspace/UInt256.xcodeproj: error: The macOS deployment target 'MACOSX_DEPLOYMENT_TARGET' is set to 10.10, but the range of supported deployment target versions is 12.0 to 27.0.x. (in target 'UInt256' from project 'UInt256')
** BUILD FAILED **
The following build commands failed:
	Building project UInt256 with scheme UInt256-Package
(1 failure)
Command line invocation:
    /Applications/Xcode-27.0.0-Release.Candidate.app/Contents/Developer/usr/bin/xcodebuild -IDEClonedSourcePackagesDirPathOverride=/Users/admin/builder/spi-builder-workspace/.dependencies -resolvePackageDependencies
resolved source packages:
{
  "dependencies" : [
  ],
  "manifest_display_name" : "UInt256",
  "name" : "UInt256",
  "path" : "/Users/admin/builder/spi-builder-workspace",
  "platforms" : [
  ],
  "products" : [
    {
      "name" : "UInt256",
      "targets" : [
        "UInt256"
      ],
      "type" : {
        "library" : [
          "automatic"
        ]
      }
    }
  ],
  "targets" : [
    {
      "c99name" : "UInt256Tests",
      "module_type" : "SwiftTarget",
      "name" : "UInt256Tests",
      "path" : "Tests",
      "sources" : [
        "Arithmetics.swift",
        "BinaryOperations.swift",
        "LinuxMain.swift",
        "PerformanceTests.swift",
        "UInt256Tests.swift"
      ],
      "target_dependencies" : [
        "UInt256"
      ],
      "type" : "test"
    },
    {
      "c99name" : "UInt256",
      "module_type" : "SwiftTarget",
      "name" : "UInt256",
      "path" : "Sources",
      "product_memberships" : [
        "UInt256"
      ],
      "sources" : [
        "FixedWidthInteger+BarrettDivision.swift",
        "FixedWidthInteger+LongDivision.swift",
        "UInt256+BinaryInteger.swift",
        "UInt256+Comparable.swift",
        "UInt256+CustomStringConvertible.swift",
        "UInt256+Divide&Conquer.swift",
        "UInt256+Equatable.swift",
        "UInt256+ExpressibleByIntegerLiteral.swift",
        "UInt256+FixedWidthInteger.swift",
        "UInt256+Hashable.swift",
        "UInt256+Karatsuba.swift",
        "UInt256+Numeric.swift",
        "UInt256+UnsignedInteger.swift",
        "UInt256+arc4random.swift",
        "UInt256.swift"
      ],
      "type" : "library"
    }
  ],
  "tools_version" : "4.0"
}
{
  "project" : {
    "configurations" : [
      "Debug",
      "Release"
    ],
    "name" : "UInt256",
    "schemes" : [
      "UInt256-Package",
      "UInt256PackageDescription",
      "UInt256PackageTests"
    ],
    "targets" : [
      "UInt256",
      "UInt256PackageDescription",
      "UInt256PackageTests",
      "UInt256Tests"
    ]
  }
}
Running build ...
env DEVELOPER_DIR=/Applications/Xcode-27.0.0-Release.Candidate.app xcrun xcodebuild -IDEClonedSourcePackagesDirPathOverride=$PWD/.dependencies -skipMacroValidation -skipPackagePluginValidation -derivedDataPath $PWD/.derivedData build -scheme UInt256-Package -destination platform=macOS,arch=arm64
Command line invocation:
    /Applications/Xcode-27.0.0-Release.Candidate.app/Contents/Developer/usr/bin/xcodebuild -IDEClonedSourcePackagesDirPathOverride=/Users/admin/builder/spi-builder-workspace/.dependencies -skipMacroValidation -skipPackagePluginValidation -derivedDataPath /Users/admin/builder/spi-builder-workspace/.derivedData build -scheme UInt256-Package -destination platform=macOS,arch=arm64
ComputePackagePrebuildTargetDependencyGraph
Prepare packages
CreateBuildRequest
SendProjectDescription
CreateBuildOperation
ComputeTargetDependencyGraph
note: Building targets in dependency order
note: Target dependency graph (1 target)
    Target 'UInt256' in project 'UInt256' (no dependencies)
GatherProvisioningInputs
CreateBuildDescription
/Users/admin/builder/spi-builder-workspace/UInt256.xcodeproj: error: The macOS deployment target 'MACOSX_DEPLOYMENT_TARGET' is set to 10.10, but the range of supported deployment target versions is 12.0 to 27.0.x. (in target 'UInt256' from project 'UInt256')
** BUILD FAILED **
The following build commands failed:
	Building project UInt256 with scheme UInt256-Package
(1 failure)
BUILD FAILURE 6.4 macosXcodebuild