Swift Package Index

Build Information

Failed to build ThemingKit, reference master (c0d0e7), with Swift 6.3 for watchOS using Xcode 26.4 on 10 Apr 2026 10:57:27 UTC.

Build Command

env DEVELOPER_DIR=/Applications/Xcode-26.4.0.app xcrun xcodebuild -IDEClonedSourcePackagesDirPathOverride=$PWD/.dependencies -skipMacroValidation -skipPackagePluginValidation -derivedDataPath $PWD/.derivedData build -scheme ThemingKit-Package -destination generic/platform=watchOS

Build Log

========================================
RunAll
========================================
Builder version: 4.70.0
Interrupt handler set up.
========================================
Checkout
========================================
Clone URL: https://github.com/paulyhedral/ThemingKit.git
Reference: master
Initialized empty Git repository in /Users/admin/builder/spi-builder-workspace/.git/
From https://github.com/paulyhedral/ThemingKit
 * branch            master     -> FETCH_HEAD
 * [new branch]      master     -> origin/master
HEAD is now at c0d0e73 Add Xcode project to support submodule project dependencies.
Cloned https://github.com/paulyhedral/ThemingKit.git
Revision (git rev-parse @):
c0d0e73b080f9858d785801ea80ba556d7d0dbbb
SUCCESS checkout https://github.com/paulyhedral/ThemingKit.git at master
========================================
Build
========================================
Selected platform:         watchOS
Swift version:             6.3
Building package at path:  $PWD
https://github.com/paulyhedral/ThemingKit.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" : "swiftybeaver",
      "requirement" : {
        "range" : [
          {
            "lower_bound" : "1.6.0",
            "upper_bound" : "2.0.0"
          }
        ]
      },
      "type" : "sourceControl",
      "url" : "https://github.com/SwiftyBeaver/SwiftyBeaver.git"
    }
  ],
  "manifest_display_name" : "ThemingKit",
  "name" : "ThemingKit",
  "path" : "/Users/admin/builder/spi-builder-workspace",
  "platforms" : [
  ],
  "products" : [
    {
      "name" : "ThemingKit",
      "targets" : [
        "ThemingKit"
      ],
      "type" : {
        "library" : [
          "dynamic"
        ]
      }
    }
  ],
  "targets" : [
    {
      "c99name" : "ThemingKitTests",
      "module_type" : "SwiftTarget",
      "name" : "ThemingKitTests",
      "path" : "Tests/ThemingKitTests",
      "sources" : [
        "ColorExtensionTests.swift",
        "ThemeLoaderTests.swift",
        "ThemeManagerTests.swift",
        "ThemeTests.swift",
        "ThemeWriterTests.swift"
      ],
      "target_dependencies" : [
        "ThemingKit"
      ],
      "type" : "test"
    },
    {
      "c99name" : "ThemingKit",
      "module_type" : "SwiftTarget",
      "name" : "ThemingKit",
      "path" : "Sources/ThemingKit",
      "product_dependencies" : [
        "SwiftyBeaver"
      ],
      "product_memberships" : [
        "ThemingKit"
      ],
      "sources" : [
        "ColorExtensions.swift",
        "Constants.swift",
        "CustomColorViewController.swift",
        "Errors.swift",
        "PackagedThemeLoader.swift",
        "Theme.swift",
        "ThemeColorsDisplayViewController.swift",
        "ThemeLoader.swift",
        "ThemeManager.swift",
        "ThemeSelectorViewController.swift",
        "ThemeWriter.swift",
        "UserDefinedThemeLoader.swift"
      ],
      "type" : "library"
    }
  ],
  "tools_version" : "4.1"
}
{
  "project" : {
    "configurations" : [
      "Debug",
      "Release"
    ],
    "name" : "ThemingKit",
    "schemes" : [
      "ThemingKit-Package"
    ],
    "targets" : [
      "SwiftyBeaver",
      "SwiftyBeaverPackageDescription",
      "ThemingKit",
      "ThemingKitPackageDescription",
      "ThemingKitPackageTests",
      "ThemingKitTests"
    ]
  }
}
Running build ...
env DEVELOPER_DIR=/Applications/Xcode-26.4.0.app xcrun xcodebuild -IDEClonedSourcePackagesDirPathOverride=$PWD/.dependencies -skipMacroValidation -skipPackagePluginValidation -derivedDataPath $PWD/.derivedData build -scheme ThemingKit-Package -destination generic/platform=watchOS
Command line invocation:
    /Applications/Xcode-26.4.0.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 ThemingKit-Package -destination generic/platform=watchOS
ComputePackagePrebuildTargetDependencyGraph
Prepare packages
CreateBuildRequest
SendProjectDescription
CreateBuildOperation
ComputeTargetDependencyGraph
note: Building targets in dependency order
note: Target dependency graph (2 targets)
    Target 'ThemingKit' in project 'ThemingKit'
        ➜ Explicit dependency on target 'SwiftyBeaver' in project 'ThemingKit'
    Target 'SwiftyBeaver' in project 'ThemingKit' (no dependencies)
GatherProvisioningInputs
CreateBuildDescription
ExecuteExternalTool /Applications/Xcode-26.4.0.app/Contents/Developer/Toolchains/XcodeDefault.xctoolchain/usr/bin/clang -v -E -dM -isysroot /Applications/Xcode-26.4.0.app/Contents/Developer/Platforms/WatchOS.platform/Developer/SDKs/WatchOS26.4.sdk -x c -c /dev/null
ExecuteExternalTool /Applications/Xcode-26.4.0.app/Contents/Developer/Toolchains/XcodeDefault.xctoolchain/usr/bin/swiftc --version
ExecuteExternalTool /Applications/Xcode-26.4.0.app/Contents/Developer/Toolchains/XcodeDefault.xctoolchain/usr/bin/ld -version_details
Build description signature: 816767c6917c5b2f8263f6867f812d87
Build description path: /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/XCBuildData/816767c6917c5b2f8263f6867f812d87.xcbuilddata
error: SWIFT_VERSION '3.0' is unsupported, supported versions are: 4.0, 4.2, 5.0, 6.0. (in target 'SwiftyBeaver' from project 'ThemingKit')
error: SWIFT_VERSION '3.0' is unsupported, supported versions are: 4.0, 4.2, 5.0, 6.0. (in target 'SwiftyBeaver' from project 'ThemingKit')
** BUILD FAILED **
The following build commands failed:
	Building project ThemingKit with scheme ThemingKit-Package
(1 failure)
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" : "swiftybeaver",
      "requirement" : {
        "range" : [
          {
            "lower_bound" : "1.6.0",
            "upper_bound" : "2.0.0"
          }
        ]
      },
      "type" : "sourceControl",
      "url" : "https://github.com/SwiftyBeaver/SwiftyBeaver.git"
    }
  ],
  "manifest_display_name" : "ThemingKit",
  "name" : "ThemingKit",
  "path" : "/Users/admin/builder/spi-builder-workspace",
  "platforms" : [
  ],
  "products" : [
    {
      "name" : "ThemingKit",
      "targets" : [
        "ThemingKit"
      ],
      "type" : {
        "library" : [
          "dynamic"
        ]
      }
    }
  ],
  "targets" : [
    {
      "c99name" : "ThemingKitTests",
      "module_type" : "SwiftTarget",
      "name" : "ThemingKitTests",
      "path" : "Tests/ThemingKitTests",
      "sources" : [
        "ColorExtensionTests.swift",
        "ThemeLoaderTests.swift",
        "ThemeManagerTests.swift",
        "ThemeTests.swift",
        "ThemeWriterTests.swift"
      ],
      "target_dependencies" : [
        "ThemingKit"
      ],
      "type" : "test"
    },
    {
      "c99name" : "ThemingKit",
      "module_type" : "SwiftTarget",
      "name" : "ThemingKit",
      "path" : "Sources/ThemingKit",
      "product_dependencies" : [
        "SwiftyBeaver"
      ],
      "product_memberships" : [
        "ThemingKit"
      ],
      "sources" : [
        "ColorExtensions.swift",
        "Constants.swift",
        "CustomColorViewController.swift",
        "Errors.swift",
        "PackagedThemeLoader.swift",
        "Theme.swift",
        "ThemeColorsDisplayViewController.swift",
        "ThemeLoader.swift",
        "ThemeManager.swift",
        "ThemeSelectorViewController.swift",
        "ThemeWriter.swift",
        "UserDefinedThemeLoader.swift"
      ],
      "type" : "library"
    }
  ],
  "tools_version" : "4.1"
}
{
  "project" : {
    "configurations" : [
      "Debug",
      "Release"
    ],
    "name" : "ThemingKit",
    "schemes" : [
      "ThemingKit-Package"
    ],
    "targets" : [
      "SwiftyBeaver",
      "SwiftyBeaverPackageDescription",
      "ThemingKit",
      "ThemingKitPackageDescription",
      "ThemingKitPackageTests",
      "ThemingKitTests"
    ]
  }
}
Running build ...
env DEVELOPER_DIR=/Applications/Xcode-26.4.0.app xcrun xcodebuild -IDEClonedSourcePackagesDirPathOverride=$PWD/.dependencies -skipMacroValidation -skipPackagePluginValidation -derivedDataPath $PWD/.derivedData build -scheme ThemingKit-Package -destination generic/platform=watchOS
Command line invocation:
    /Applications/Xcode-26.4.0.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 ThemingKit-Package -destination generic/platform=watchOS
ComputePackagePrebuildTargetDependencyGraph
Prepare packages
CreateBuildRequest
SendProjectDescription
CreateBuildOperation
ComputeTargetDependencyGraph
note: Building targets in dependency order
note: Target dependency graph (2 targets)
    Target 'ThemingKit' in project 'ThemingKit'
        ➜ Explicit dependency on target 'SwiftyBeaver' in project 'ThemingKit'
    Target 'SwiftyBeaver' in project 'ThemingKit' (no dependencies)
GatherProvisioningInputs
CreateBuildDescription
ExecuteExternalTool /Applications/Xcode-26.4.0.app/Contents/Developer/Toolchains/XcodeDefault.xctoolchain/usr/bin/clang -v -E -dM -isysroot /Applications/Xcode-26.4.0.app/Contents/Developer/Platforms/WatchOS.platform/Developer/SDKs/WatchOS26.4.sdk -x c -c /dev/null
ExecuteExternalTool /Applications/Xcode-26.4.0.app/Contents/Developer/Toolchains/XcodeDefault.xctoolchain/usr/bin/swiftc --version
ExecuteExternalTool /Applications/Xcode-26.4.0.app/Contents/Developer/Toolchains/XcodeDefault.xctoolchain/usr/bin/ld -version_details
Build description signature: 816767c6917c5b2f8263f6867f812d87
Build description path: /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/XCBuildData/816767c6917c5b2f8263f6867f812d87.xcbuilddata
error: SWIFT_VERSION '3.0' is unsupported, supported versions are: 4.0, 4.2, 5.0, 6.0. (in target 'SwiftyBeaver' from project 'ThemingKit')
error: SWIFT_VERSION '3.0' is unsupported, supported versions are: 4.0, 4.2, 5.0, 6.0. (in target 'SwiftyBeaver' from project 'ThemingKit')
** BUILD FAILED **
The following build commands failed:
	Building project ThemingKit with scheme ThemingKit-Package
(1 failure)
BUILD FAILURE 6.3 watchOS