Swift Package Index

Build Information

Failed to build SwiftParsec, reference 4.0.1 (00ae75), with Swift 6.4 for macOS (Xcode) using Xcode 27.0 on 17 Sep 2026 19:20:20 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 SwiftParsec -destination platform=macOS,arch=arm64

Build Log

========================================
RunAll
========================================
Builder version: 5.1.0
Interrupt handler set up.
========================================
Checkout
========================================
Clone URL: https://github.com/davedufresne/SwiftParsec.git
Reference: 4.0.1
Initialized empty Git repository in /Users/admin/builder/spi-builder-workspace/.git/
From https://github.com/davedufresne/SwiftParsec
 * tag               4.0.1      -> FETCH_HEAD
HEAD is now at 00ae75a Release 4.0.1
Cloned https://github.com/davedufresne/SwiftParsec.git
Revision (git rev-parse @):
00ae75a5e9e0fc790056a8b8ebdf2a1833e7117a
SUCCESS checkout https://github.com/davedufresne/SwiftParsec.git at 4.0.1
========================================
Build
========================================
Selected platform:         macosXcodebuild
Swift version:             6.4
Building package at path:  $PWD
https://github.com/davedufresne/SwiftParsec.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" : "SwiftParsec",
  "name" : "SwiftParsec",
  "path" : "/Users/admin/builder/spi-builder-workspace",
  "platforms" : [
  ],
  "products" : [
    {
      "name" : "SwiftParsec",
      "targets" : [
        "SwiftParsec"
      ],
      "type" : {
        "library" : [
          "automatic"
        ]
      }
    }
  ],
  "targets" : [
    {
      "c99name" : "SwiftParsec",
      "module_type" : "SwiftTarget",
      "name" : "SwiftParsec",
      "path" : "Sources/SwiftParsec",
      "product_memberships" : [
        "SwiftParsec"
      ],
      "sources" : [
        "CharacterConversion.swift",
        "CharacterMembership.swift",
        "CharacterParsers.swift",
        "CharacterSet.swift",
        "CollectionAggregation.swift",
        "CombinatorParsers.swift",
        "Configuration.swift",
        "Either.swift",
        "ExpressionParser.swift",
        "GenericParser.swift",
        "GenericTokenParser.swift",
        "LanguageDefinition.swift",
        "ParseError.swift",
        "Parsec.swift",
        "Permutation.swift",
        "Position.swift",
        "RangeReplaceableCollectionInsertion.swift",
        "SequenceAggregation.swift",
        "SequenceConversion.swift",
        "SetAggregation.swift",
        "String.swift",
        "TokenParser.swift",
        "UInt16.swift",
        "UnicodeScalar.swift"
      ],
      "type" : "library"
    }
  ],
  "tools_version" : "4.2"
}
{
  "project" : {
    "configurations" : [
      "Debug",
      "Release"
    ],
    "name" : "SwiftParsec",
    "schemes" : [
      "SwiftParsec"
    ],
    "targets" : [
      "SwiftParsec",
      "SwiftParsecTests"
    ]
  }
}
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 SwiftParsec -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 SwiftParsec -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 'SwiftParsec' in project 'SwiftParsec' (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/clang -v -E -dM -arch arm64 -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: 81bd28d5474c9349a438764dfe339601
Build description path: /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/XCBuildData/81bd28d5474c9349a438764dfe339601.xcbuilddata
/Users/admin/builder/spi-builder-workspace/SwiftParsec.xcodeproj: error: The macOS deployment target 'MACOSX_DEPLOYMENT_TARGET' is set to 10.11, but the range of supported deployment target versions is 12.0 to 27.0.x. (in target 'SwiftParsec' from project 'SwiftParsec')
** BUILD FAILED **
The following build commands failed:
	Building project SwiftParsec with scheme SwiftParsec
(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" : "SwiftParsec",
  "name" : "SwiftParsec",
  "path" : "/Users/admin/builder/spi-builder-workspace",
  "platforms" : [
  ],
  "products" : [
    {
      "name" : "SwiftParsec",
      "targets" : [
        "SwiftParsec"
      ],
      "type" : {
        "library" : [
          "automatic"
        ]
      }
    }
  ],
  "targets" : [
    {
      "c99name" : "SwiftParsec",
      "module_type" : "SwiftTarget",
      "name" : "SwiftParsec",
      "path" : "Sources/SwiftParsec",
      "product_memberships" : [
        "SwiftParsec"
      ],
      "sources" : [
        "CharacterConversion.swift",
        "CharacterMembership.swift",
        "CharacterParsers.swift",
        "CharacterSet.swift",
        "CollectionAggregation.swift",
        "CombinatorParsers.swift",
        "Configuration.swift",
        "Either.swift",
        "ExpressionParser.swift",
        "GenericParser.swift",
        "GenericTokenParser.swift",
        "LanguageDefinition.swift",
        "ParseError.swift",
        "Parsec.swift",
        "Permutation.swift",
        "Position.swift",
        "RangeReplaceableCollectionInsertion.swift",
        "SequenceAggregation.swift",
        "SequenceConversion.swift",
        "SetAggregation.swift",
        "String.swift",
        "TokenParser.swift",
        "UInt16.swift",
        "UnicodeScalar.swift"
      ],
      "type" : "library"
    }
  ],
  "tools_version" : "4.2"
}
{
  "project" : {
    "configurations" : [
      "Debug",
      "Release"
    ],
    "name" : "SwiftParsec",
    "schemes" : [
      "SwiftParsec"
    ],
    "targets" : [
      "SwiftParsec",
      "SwiftParsecTests"
    ]
  }
}
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 SwiftParsec -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 SwiftParsec -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 'SwiftParsec' in project 'SwiftParsec' (no dependencies)
GatherProvisioningInputs
CreateBuildDescription
/Users/admin/builder/spi-builder-workspace/SwiftParsec.xcodeproj: error: The macOS deployment target 'MACOSX_DEPLOYMENT_TARGET' is set to 10.11, but the range of supported deployment target versions is 12.0 to 27.0.x. (in target 'SwiftParsec' from project 'SwiftParsec')
** BUILD FAILED **
The following build commands failed:
	Building project SwiftParsec with scheme SwiftParsec
(1 failure)
BUILD FAILURE 6.4 macosXcodebuild