Swift Package Index

Build Information

Failed to build UnityBuildKit, reference master (f0d9f6), with Swift 6.3 for visionOS using Xcode 26.4 on 10 Apr 2026 13:16:24 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/handsomecode/unitybuildkit.git
Reference: master
Initialized empty Git repository in /Users/admin/builder/spi-builder-workspace/.git/
From https://github.com/handsomecode/unitybuildkit
 * branch            master     -> FETCH_HEAD
 * [new branch]      master     -> origin/master
HEAD is now at f0d9f67 Add deprecation notice to README
Cloned https://github.com/handsomecode/unitybuildkit.git
Revision (git rev-parse @):
f0d9f673c561913f06eff2990e805c3924dc4146
SUCCESS checkout https://github.com/handsomecode/unitybuildkit.git at master
========================================
Build
========================================
Selected platform:         visionOS
Swift version:             6.3
Building package at path:  $PWD
https://github.com/handsomecode/unitybuildkit.git
Command line invocation:
    /Applications/Xcode-26.4.0.app/Contents/Developer/usr/bin/xcodebuild -IDEClonedSourcePackagesDirPathOverride=/Users/admin/builder/spi-builder-workspace/.dependencies -resolvePackageDependencies
resolved source packages:
{
  "dependencies" : [
    {
      "identity" : "xcodegen",
      "requirement" : {
        "range" : [
          {
            "lower_bound" : "1.6.0",
            "upper_bound" : "1.7.0"
          }
        ]
      },
      "type" : "sourceControl",
      "url" : "https://github.com/yonaskolb/XcodeGen.git"
    }
  ],
  "manifest_display_name" : "UnityBuildKit",
  "name" : "UnityBuildKit",
  "path" : "/Users/admin/builder/spi-builder-workspace",
  "platforms" : [
  ],
  "products" : [
    {
      "name" : "UnityBuildKit",
      "targets" : [
        "UnityBuildKit"
      ],
      "type" : {
        "executable" : null
      }
    },
    {
      "name" : "UBKit",
      "targets" : [
        "UBKit"
      ],
      "type" : {
        "library" : [
          "automatic"
        ]
      }
    }
  ],
  "targets" : [
    {
      "c99name" : "UnityBuildKit",
      "module_type" : "SwiftTarget",
      "name" : "UnityBuildKit",
      "path" : "Sources/UnityBuildKit",
      "product_memberships" : [
        "UnityBuildKit"
      ],
      "sources" : [
        "main.swift"
      ],
      "target_dependencies" : [
        "UBKit"
      ],
      "type" : "executable"
    },
    {
      "c99name" : "UBKit",
      "module_type" : "SwiftTarget",
      "name" : "UBKit",
      "path" : "Sources/UBKit",
      "product_dependencies" : [
        "XcodeGenKit"
      ],
      "product_memberships" : [
        "UnityBuildKit",
        "UBKit"
      ],
      "sources" : [
        "Files/Config/configFile.swift",
        "Files/File.swift",
        "Files/Unity/UnityEditorBuildScript.swift",
        "Files/Unity/UnityFrameworksScript.swift",
        "Files/Unity/UnityProjectScript.swift",
        "Files/UnityBridge/BridgeHeaderFile.swift",
        "Files/UnityBridge/MessageBridge.swift",
        "Files/UnityBridge/UnityUtilsFile.swift",
        "Files/Xcode/AppDelegateFile.swift",
        "Files/Xcode/AppIconContentsFile.swift",
        "Files/Xcode/InfoPlistFile.swift",
        "Files/Xcode/LaunchScreenFile.swift",
        "Files/Xcode/MainStoryboardFile.swift",
        "Files/Xcode/SpecFile.swift",
        "Files/Xcode/ViewControllerFile.swift",
        "Models/Config.swift",
        "Models/Result.swift",
        "Models/Shell.swift",
        "Models/UBKitError.swift",
        "Models/UnityCommandLine.swift",
        "UBKit.swift",
        "UBKitManager.swift",
        "Workers/FileCopier.swift",
        "Workers/UnityProject.swift",
        "Workers/XcodeGenerator.swift",
        "Workers/XcodeProject.swift"
      ],
      "type" : "library"
    }
  ],
  "tools_version" : "4.0"
}
{
  "project" : {
    "configurations" : [
      "Debug",
      "Release"
    ],
    "name" : "UnityBuildKit",
    "schemes" : [
      "AEXMLPackageDescription",
      "JSONUtilitiesPackageDescription",
      "PathKitPackageDescription",
      "UnityBuildKit",
      "UnityBuildKit-Package",
      "UnityBuildKitPackageDescription",
      "XcodeGenPackageDescription",
      "xcprojPackageDescription",
      "YamsPackageDescription"
    ],
    "targets" : [
      "UnityBuildKitPackageDescription",
      "XcodeGenPackageDescription",
      "xcprojPackageDescription",
      "AEXMLPackageDescription",
      "JSONUtilitiesPackageDescription",
      "YamsPackageDescription",
      "PathKitPackageDescription",
      "UnityBuildKit",
      "UBKit",
      "XcodeGenKit",
      "ProjectSpec",
      "Yams",
      "CYaml",
      "xcproj",
      "AEXML",
      "PathKit",
      "JSONUtilities"
    ]
  }
}
2026-04-10 09:16:21.257 xcodebuild[619:3698] Writing error result bundle to /var/folders/xq/y_g06wb113726d38xsyx71_h0000gn/T/ResultBundle_2026-10-04_09-16-0021.xcresult
xcodebuild: error: Could not resolve package dependencies:
  package 'package.swift' is using Swift tools version 3.1.0 which is no longer supported; consider using '// swift-tools-version: 6.3' to specify the current tools version
Command line invocation:
    /Applications/Xcode-26.4.0.app/Contents/Developer/usr/bin/xcodebuild -IDEClonedSourcePackagesDirPathOverride=/Users/admin/builder/spi-builder-workspace/.dependencies -resolvePackageDependencies
Resolve Package Graph
Updating from https://github.com/yonaskolb/XcodeGen.git
Updating from https://github.com/kylef/Commander.git
Updating from https://github.com/onevcat/Rainbow.git
Updating from https://github.com/kylef/PathKit.git
Updating from https://github.com/yonaskolb/JSONUtilities.git
Updating from https://github.com/xcodeswift/xcproj.git
Updating from https://github.com/kylef/Spectre.git
Updating from https://github.com/jpsim/Yams.git
Updating from https://github.com/JohnSundell/ShellOut.git
Updating from https://github.com/tadija/AEXML.git
package 'package.swift' is using Swift tools version 3.1.0 which is no longer supported; consider using '// swift-tools-version: 6.3' to specify the current tools version
Resolved source packages:
  spi-builder-workspace: (null)
2026-04-10 09:16:24.423 xcodebuild[990:5142] Writing error result bundle to /var/folders/xq/y_g06wb113726d38xsyx71_h0000gn/T/ResultBundle_2026-10-04_09-16-0024.xcresult
xcodebuild: error: Could not resolve package dependencies:
  package 'package.swift' is using Swift tools version 3.1.0 which is no longer supported; consider using '// swift-tools-version: 6.3' to specify the current tools version
BUILD FAILURE 6.3 visionOS