Swift Package Index

Build Information

Failed to build ruminant, reference master (7ca866), with Swift 6.4 for macOS (Xcode) using Xcode 27.0 on 16 Sep 2026 04:47:35 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 ruminant-Package -destination platform=macOS,arch=arm64

Build Log

========================================
RunAll
========================================
Builder version: 5.1.0
Interrupt handler set up.
========================================
Checkout
========================================
Clone URL: https://github.com/jdevuyst/ruminant.git
Reference: master
Initialized empty Git repository in /Users/admin/builder/spi-builder-workspace/.git/
From https://github.com/jdevuyst/ruminant
 * branch            master     -> FETCH_HEAD
 * [new branch]      master     -> origin/master
HEAD is now at 7ca8661 Add hash value tests
Cloned https://github.com/jdevuyst/ruminant.git
Revision (git rev-parse @):
7ca86610b5051906fb6732b017d022a99c7360c4
SUCCESS checkout https://github.com/jdevuyst/ruminant.git at master
========================================
Build
========================================
Selected platform:         macosXcodebuild
Swift version:             6.4
Building package at path:  $PWD
https://github.com/jdevuyst/ruminant.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" : [
    {
      "identity" : "swiftcheck",
      "requirement" : {
        "range" : [
          {
            "lower_bound" : "0.8.1",
            "upper_bound" : "1.0.0"
          }
        ]
      },
      "type" : "sourceControl",
      "url" : "https://github.com/typelift/SwiftCheck.git"
    }
  ],
  "manifest_display_name" : "ruminant",
  "name" : "ruminant",
  "path" : "/Users/admin/builder/spi-builder-workspace",
  "platforms" : [
  ],
  "products" : [
    {
      "name" : "ruminant",
      "targets" : [
        "ruminant"
      ],
      "type" : {
        "library" : [
          "automatic"
        ]
      }
    }
  ],
  "targets" : [
    {
      "c99name" : "ruminantTests",
      "module_type" : "SwiftTarget",
      "name" : "ruminantTests",
      "path" : "Tests",
      "product_dependencies" : [
        "SwiftCheck"
      ],
      "sources" : [
        "ruminantTests/chunkediteratorTest.swift",
        "ruminantTests/exampleTests.swift",
        "ruminantTests/quickCheckTests.swift",
        "ruminantTests/utilTest.swift",
        "ruminantTests/vectorTest.swift"
      ],
      "target_dependencies" : [
        "ruminant"
      ],
      "type" : "test"
    },
    {
      "c99name" : "ruminant",
      "module_type" : "SwiftTarget",
      "name" : "ruminant",
      "path" : ".",
      "product_memberships" : [
        "ruminant"
      ],
      "sources" : [
        "Sources/chunkediterator.swift",
        "Sources/tree.swift",
        "Sources/util.swift",
        "Sources/vector.swift"
      ],
      "type" : "library"
    }
  ],
  "tools_version" : "4.0"
}
{
  "project" : {
    "configurations" : [
      "Debug",
      "Release"
    ],
    "name" : "ruminant",
    "schemes" : [
      "ruminant-Package",
      "ruminantPackageDescription",
      "ruminantPackageTests",
      "SwiftCheck",
      "SwiftCheckPackageDescription"
    ],
    "targets" : [
      "SwiftCheck",
      "SwiftCheckPackageDescription",
      "ruminant",
      "ruminantPackageDescription",
      "ruminantPackageTests",
      "ruminantTests"
    ]
  }
}
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 ruminant-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 ruminant-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 'ruminant' in project 'ruminant' (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: 4db12e5e55e99626f288a0acadba62f2
Build description path: /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/XCBuildData/4db12e5e55e99626f288a0acadba62f2.xcbuilddata
/Users/admin/builder/spi-builder-workspace/ruminant.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 'ruminant' from project 'ruminant')
** BUILD FAILED **
The following build commands failed:
	Building project ruminant with scheme ruminant-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" : [
    {
      "identity" : "swiftcheck",
      "requirement" : {
        "range" : [
          {
            "lower_bound" : "0.8.1",
            "upper_bound" : "1.0.0"
          }
        ]
      },
      "type" : "sourceControl",
      "url" : "https://github.com/typelift/SwiftCheck.git"
    }
  ],
  "manifest_display_name" : "ruminant",
  "name" : "ruminant",
  "path" : "/Users/admin/builder/spi-builder-workspace",
  "platforms" : [
  ],
  "products" : [
    {
      "name" : "ruminant",
      "targets" : [
        "ruminant"
      ],
      "type" : {
        "library" : [
          "automatic"
        ]
      }
    }
  ],
  "targets" : [
    {
      "c99name" : "ruminantTests",
      "module_type" : "SwiftTarget",
      "name" : "ruminantTests",
      "path" : "Tests",
      "product_dependencies" : [
        "SwiftCheck"
      ],
      "sources" : [
        "ruminantTests/chunkediteratorTest.swift",
        "ruminantTests/exampleTests.swift",
        "ruminantTests/quickCheckTests.swift",
        "ruminantTests/utilTest.swift",
        "ruminantTests/vectorTest.swift"
      ],
      "target_dependencies" : [
        "ruminant"
      ],
      "type" : "test"
    },
    {
      "c99name" : "ruminant",
      "module_type" : "SwiftTarget",
      "name" : "ruminant",
      "path" : ".",
      "product_memberships" : [
        "ruminant"
      ],
      "sources" : [
        "Sources/chunkediterator.swift",
        "Sources/tree.swift",
        "Sources/util.swift",
        "Sources/vector.swift"
      ],
      "type" : "library"
    }
  ],
  "tools_version" : "4.0"
}
{
  "project" : {
    "configurations" : [
      "Debug",
      "Release"
    ],
    "name" : "ruminant",
    "schemes" : [
      "ruminant-Package",
      "ruminantPackageDescription",
      "ruminantPackageTests",
      "SwiftCheck",
      "SwiftCheckPackageDescription"
    ],
    "targets" : [
      "SwiftCheck",
      "SwiftCheckPackageDescription",
      "ruminant",
      "ruminantPackageDescription",
      "ruminantPackageTests",
      "ruminantTests"
    ]
  }
}
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 ruminant-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 ruminant-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 'ruminant' in project 'ruminant' (no dependencies)
GatherProvisioningInputs
CreateBuildDescription
/Users/admin/builder/spi-builder-workspace/ruminant.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 'ruminant' from project 'ruminant')
** BUILD FAILED **
The following build commands failed:
	Building project ruminant with scheme ruminant-Package
(1 failure)
BUILD FAILURE 6.4 macosXcodebuild