Swift Package Index

Build Information

Failed to build swift-io, reference master (6f9f5b), with Swift 6.1 for watchOS using Xcode 16.3 on 29 Oct 2026 07:37:56 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: 5.1.3
Interrupt handler set up.
========================================
Checkout
========================================
Clone URL: https://github.com/rarestype/swift-io.git
Reference: master
Initialized empty Git repository in /Users/admin/builder/spi-builder-workspace/.git/
From https://github.com/rarestype/swift-io
 * branch            master     -> FETCH_HEAD
 * [new branch]      master     -> origin/master
HEAD is now at 6f9f5ba [autosync]
Cloned https://github.com/rarestype/swift-io.git
Revision (git rev-parse @):
6f9f5ba101cf8e5aa315aedf0e4285e2aaf27d0b
SUCCESS checkout https://github.com/rarestype/swift-io.git at master
========================================
Build
========================================
Selected platform:         watchOS
Swift version:             6.1
Building package at path:  $PWD
https://github.com/rarestype/swift-io.git
https://github.com/rarestype/swift-io.git
{
  "dependencies" : [
    {
      "identity" : "dollup",
      "requirement" : {
        "range" : [
          {
            "lower_bound" : "1.0.1",
            "upper_bound" : "2.0.0"
          }
        ]
      },
      "type" : "sourceControl",
      "url" : "https://github.com/ordo-one/dollup"
    },
    {
      "identity" : "swift-argument-parser",
      "requirement" : {
        "range" : [
          {
            "lower_bound" : "1.7.1",
            "upper_bound" : "2.0.0"
          }
        ]
      },
      "type" : "sourceControl",
      "url" : "https://github.com/apple/swift-argument-parser"
    },
    {
      "identity" : "swift-system",
      "requirement" : {
        "range" : [
          {
            "lower_bound" : "1.6.4",
            "upper_bound" : "2.0.0"
          }
        ]
      },
      "type" : "sourceControl",
      "url" : "https://github.com/apple/swift-system"
    }
  ],
  "manifest_display_name" : "swift-io",
  "name" : "swift-io",
  "path" : "/Users/admin/builder/spi-builder-workspace",
  "platforms" : [
    {
      "name" : "macos",
      "version" : "15.0"
    },
    {
      "name" : "ios",
      "version" : "18.0"
    },
    {
      "name" : "visionos",
      "version" : "2.0"
    }
  ],
  "products" : [
    {
      "name" : "SystemAsync",
      "targets" : [
        "SystemAsync"
      ],
      "type" : {
        "library" : [
          "automatic"
        ]
      }
    },
    {
      "name" : "SystemIO",
      "targets" : [
        "SystemIO"
      ],
      "type" : {
        "library" : [
          "automatic"
        ]
      }
    },
    {
      "name" : "System_ArgumentParser",
      "targets" : [
        "System_ArgumentParser"
      ],
      "type" : {
        "library" : [
          "automatic"
        ]
      }
    }
  ],
  "targets" : [
    {
      "c99name" : "System_ArgumentParser",
      "module_type" : "SwiftTarget",
      "name" : "System_ArgumentParser",
      "path" : "Sources/System_ArgumentParser",
      "product_dependencies" : [
        "ArgumentParser"
      ],
      "product_memberships" : [
        "System_ArgumentParser"
      ],
      "sources" : [
        "FilePath (ext).swift",
        "FilePath.Directory (ext).swift"
      ],
      "target_dependencies" : [
        "SystemIO"
      ],
      "type" : "library"
    },
    {
      "c99name" : "SystemTests",
      "module_type" : "SwiftTarget",
      "name" : "SystemTests",
      "path" : "Sources/SystemTests",
      "sources" : [
        "Directories.swift",
        "Environments.swift",
        "FileOperations.swift",
        "FilePaths.swift"
      ],
      "target_dependencies" : [
        "SystemIO"
      ],
      "type" : "test"
    },
    {
      "c99name" : "SystemIO",
      "module_type" : "SwiftTarget",
      "name" : "SystemIO",
      "path" : "Sources/SystemIO",
      "product_dependencies" : [
        "SystemPackage"
      ],
      "product_memberships" : [
        "SystemAsync",
        "SystemIO",
        "System_ArgumentParser"
      ],
      "sources" : [
        "Environment.Variable.swift",
        "Environment.VariableGetterError.swift",
        "Environment.VariableSetterError.swift",
        "Environment.swift",
        "FileDescriptor (ext).swift",
        "FileError.swift",
        "FileErrorType.Read.swift",
        "FileErrorType.Seek.swift",
        "FileErrorType.swift",
        "FileIdentifier.swift",
        "FilePath (ext).swift",
        "FilePath.Component (ext).swift",
        "FilePath.Directory.ComponentView.swift",
        "FilePath.Directory.Stream.DirentOffsets.swift",
        "FilePath.Directory.Stream.swift",
        "FilePath.Directory.swift",
        "FilePath.DirectoryIterator.swift",
        "FilePath.DirectoryRecursion.swift",
        "FilePermissions (ext).swift",
        "FilePermissions.Component.swift",
        "FileStatus.swift",
        "FileSystemStats.swift",
        "FileType.swift",
        "SystemPath.swift",
        "SystemProcess.EnvironmentEncoder.swift",
        "SystemProcess.EnvironmentSpecification.swift",
        "SystemProcess.Stream.swift",
        "SystemProcess.swift",
        "SystemProcessError.swift",
        "legacy.swift",
        "lexemes.swift"
      ],
      "target_dependencies" : [
        "SystemCalls"
      ],
      "type" : "library"
    },
    {
      "c99name" : "SystemCalls",
      "module_type" : "SwiftTarget",
      "name" : "SystemCalls",
      "path" : "Sources/SystemCalls",
      "product_memberships" : [
        "SystemAsync",
        "SystemIO",
        "System_ArgumentParser"
      ],
      "sources" : [
        "SystemCall.DirectoryPointer.swift",
        "SystemCall.swift",
        "SystemCallError.swift",
        "SystemCallErrorType.swift",
        "SystemCallIdentifier.swift"
      ],
      "type" : "library"
    },
    {
      "c99name" : "SystemAsyncTests",
      "module_type" : "SwiftTarget",
      "name" : "SystemAsyncTests",
      "path" : "Sources/SystemAsyncTests",
      "sources" : [
        "SubprocessTests.swift"
      ],
      "target_dependencies" : [
        "SystemAsync"
      ],
      "type" : "test"
    },
    {
      "c99name" : "SystemAsync",
      "module_type" : "SwiftTarget",
      "name" : "SystemAsync",
      "path" : "Sources/SystemAsync",
      "product_memberships" : [
        "SystemAsync"
      ],
      "sources" : [
        "FileControlError.swift",
        "FileDescriptor (ext).swift",
        "Subprocess.swift",
        "SubprocessError.swift",
        "SystemRuntimeError.swift"
      ],
      "target_dependencies" : [
        "SystemIO"
      ],
      "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/ordo-one/dollup
Fetching from https://github.com/apple/swift-system (cached)
Fetching from https://github.com/apple/swift-argument-parser (cached)
Resolve Package Graph
Updating from https://github.com/ordo-one/dollup
Updating from https://github.com/apple/swift-system
Updating from https://github.com/apple/swift-argument-parser
Resolve Package Graph
Updating from https://github.com/ordo-one/dollup
Updating from https://github.com/apple/swift-system
Updating from https://github.com/apple/swift-argument-parser
Resolved source packages:
  spi-builder-workspace: (null)
2026-10-29 00:37:54.792 xcodebuild[530:2988] Writing error result bundle to /var/folders/5k/5yc19ymj0jqd5v0zvgfqz0xw0000gn/T/ResultBundle_2026-29-10_00-37-0054.xcresult
xcodebuild: error: Could not resolve package dependencies:
  Failed to resolve dependencies Dependencies could not be resolved because 'dollup' contains incompatible tools version (6.2.0) and root depends on 'dollup' 1.0.1..<2.0.0.
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/apple/swift-argument-parser
Updating from https://github.com/ordo-one/dollup
Updating from https://github.com/apple/swift-system
Resolved source packages:
  spi-builder-workspace: (null)
2026-10-29 00:37:56.371 xcodebuild[812:4305] Writing error result bundle to /var/folders/5k/5yc19ymj0jqd5v0zvgfqz0xw0000gn/T/ResultBundle_2026-29-10_00-37-0056.xcresult
xcodebuild: error: Could not resolve package dependencies:
  Failed to resolve dependencies Dependencies could not be resolved because 'dollup' contains incompatible tools version (6.2.0) and root depends on 'dollup' 1.0.1..<2.0.0.
BUILD FAILURE 6.1 watchOS