Swift Package Index

Build Information

Failed to build FuncBot, reference 0.0.6 (f629a9), with Swift 6.3 for iOS using Xcode 26.4 on 22 Apr 2026 10:34:14 UTC.

Build Command

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

Build Log

========================================
RunAll
========================================
Builder version: 4.70.0
Interrupt handler set up.
========================================
Checkout
========================================
Clone URL: https://github.com/tangentw/funcbot.git
Reference: 0.0.6
Initialized empty Git repository in /Users/admin/builder/spi-builder-workspace/.git/
From https://github.com/tangentw/funcbot
 * tag               0.0.6      -> FETCH_HEAD
HEAD is now at f629a90 Tweak APIs
Cloned https://github.com/tangentw/funcbot.git
Revision (git rev-parse @):
f629a906f5ed7304dd63c65a7db09f0360af8272
SUCCESS checkout https://github.com/tangentw/funcbot.git at 0.0.6
========================================
Build
========================================
Selected platform:         iOS
Swift version:             6.3
Building package at path:  $PWD
https://github.com/tangentw/funcbot.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" : "starscream",
      "requirement" : {
        "range" : [
          {
            "lower_bound" : "3.0.2",
            "upper_bound" : "4.0.0"
          }
        ]
      },
      "type" : "sourceControl",
      "url" : "https://github.com/daltoniam/Starscream.git"
    }
  ],
  "manifest_display_name" : "FuncBot",
  "name" : "FuncBot",
  "path" : "/Users/admin/builder/spi-builder-workspace",
  "platforms" : [
  ],
  "products" : [
    {
      "name" : "FuncBot",
      "targets" : [
        "FuncBot"
      ],
      "type" : {
        "library" : [
          "automatic"
        ]
      }
    }
  ],
  "targets" : [
    {
      "c99name" : "FuncBotTests",
      "module_type" : "SwiftTarget",
      "name" : "FuncBotTests",
      "path" : "Tests/FuncBotTests",
      "product_dependencies" : [
        "Starscream"
      ],
      "sources" : [
        "FuncBotTests.swift"
      ],
      "target_dependencies" : [
        "FuncBot"
      ],
      "type" : "test"
    },
    {
      "c99name" : "FuncBot",
      "module_type" : "SwiftTarget",
      "name" : "FuncBot",
      "path" : "Sources/FuncBot",
      "product_dependencies" : [
        "Starscream"
      ],
      "product_memberships" : [
        "FuncBot"
      ],
      "sources" : [
        "Examples/Middlewares.swift",
        "FuncBot.swift",
        "HTTP/HTTP.swift",
        "IO/Console.swift",
        "IO/IO.swift",
        "JSON/JSON.swift",
        "Message/Message.swift",
        "Operators.swift",
        "RTM/RTM.swift",
        "curry.swift"
      ],
      "type" : "library"
    }
  ],
  "tools_version" : "4.0"
}
{
  "project" : {
    "configurations" : [
      "Debug",
      "Release"
    ],
    "name" : "FuncBot",
    "schemes" : [
      "FuncBot-Package",
      "FuncBotPackageDescription",
      "FuncBotPackageTests",
      "StarscreamPackageDescription"
    ],
    "targets" : [
      "FuncBotPackageDescription",
      "StarscreamPackageDescription",
      "FuncBotTests",
      "FuncBot",
      "Starscream",
      "FuncBotPackageTests"
    ]
  }
}
Running build ...
env DEVELOPER_DIR=/Applications/Xcode-26.4.0.app xcrun xcodebuild -IDEClonedSourcePackagesDirPathOverride=$PWD/.dependencies -skipMacroValidation -skipPackagePluginValidation -derivedDataPath $PWD/.derivedData build -scheme FuncBot-Package -destination generic/platform=iOS
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 FuncBot-Package -destination generic/platform=iOS
ComputePackagePrebuildTargetDependencyGraph
Prepare packages
CreateBuildRequest
SendProjectDescription
CreateBuildOperation
ComputeTargetDependencyGraph
note: Building targets in dependency order
note: Target dependency graph (2 targets)
    Target 'FuncBot' in project 'FuncBot'
        ➜ Explicit dependency on target 'Starscream' in project 'FuncBot'
    Target 'Starscream' in project 'FuncBot' (no dependencies)
GatherProvisioningInputs
CreateBuildDescription
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/clang -v -E -dM -isysroot /Applications/Xcode-26.4.0.app/Contents/Developer/Platforms/iPhoneOS.platform/Developer/SDKs/iPhoneOS26.4.sdk -x c -c /dev/null
ExecuteExternalTool /Applications/Xcode-26.4.0.app/Contents/Developer/Toolchains/XcodeDefault.xctoolchain/usr/bin/ld -version_details
Build description signature: 8cd903d46a331d3d7ca92106c1221d05
Build description path: /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/XCBuildData/8cd903d46a331d3d7ca92106c1221d05.xcbuilddata
error: SWIFT_VERSION '3.0' is unsupported, supported versions are: 4.0, 4.2, 5.0, 6.0. (in target 'Starscream' from project 'FuncBot')
** BUILD FAILED **
The following build commands failed:
	Building project FuncBot with scheme FuncBot-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" : "starscream",
      "requirement" : {
        "range" : [
          {
            "lower_bound" : "3.0.2",
            "upper_bound" : "4.0.0"
          }
        ]
      },
      "type" : "sourceControl",
      "url" : "https://github.com/daltoniam/Starscream.git"
    }
  ],
  "manifest_display_name" : "FuncBot",
  "name" : "FuncBot",
  "path" : "/Users/admin/builder/spi-builder-workspace",
  "platforms" : [
  ],
  "products" : [
    {
      "name" : "FuncBot",
      "targets" : [
        "FuncBot"
      ],
      "type" : {
        "library" : [
          "automatic"
        ]
      }
    }
  ],
  "targets" : [
    {
      "c99name" : "FuncBotTests",
      "module_type" : "SwiftTarget",
      "name" : "FuncBotTests",
      "path" : "Tests/FuncBotTests",
      "product_dependencies" : [
        "Starscream"
      ],
      "sources" : [
        "FuncBotTests.swift"
      ],
      "target_dependencies" : [
        "FuncBot"
      ],
      "type" : "test"
    },
    {
      "c99name" : "FuncBot",
      "module_type" : "SwiftTarget",
      "name" : "FuncBot",
      "path" : "Sources/FuncBot",
      "product_dependencies" : [
        "Starscream"
      ],
      "product_memberships" : [
        "FuncBot"
      ],
      "sources" : [
        "Examples/Middlewares.swift",
        "FuncBot.swift",
        "HTTP/HTTP.swift",
        "IO/Console.swift",
        "IO/IO.swift",
        "JSON/JSON.swift",
        "Message/Message.swift",
        "Operators.swift",
        "RTM/RTM.swift",
        "curry.swift"
      ],
      "type" : "library"
    }
  ],
  "tools_version" : "4.0"
}
{
  "project" : {
    "configurations" : [
      "Debug",
      "Release"
    ],
    "name" : "FuncBot",
    "schemes" : [
      "FuncBot-Package",
      "FuncBotPackageDescription",
      "FuncBotPackageTests",
      "StarscreamPackageDescription"
    ],
    "targets" : [
      "FuncBotPackageDescription",
      "StarscreamPackageDescription",
      "FuncBotTests",
      "FuncBot",
      "Starscream",
      "FuncBotPackageTests"
    ]
  }
}
Running build ...
env DEVELOPER_DIR=/Applications/Xcode-26.4.0.app xcrun xcodebuild -IDEClonedSourcePackagesDirPathOverride=$PWD/.dependencies -skipMacroValidation -skipPackagePluginValidation -derivedDataPath $PWD/.derivedData build -scheme FuncBot-Package -destination generic/platform=iOS
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 FuncBot-Package -destination generic/platform=iOS
ComputePackagePrebuildTargetDependencyGraph
Prepare packages
CreateBuildRequest
SendProjectDescription
CreateBuildOperation
ComputeTargetDependencyGraph
note: Building targets in dependency order
note: Target dependency graph (2 targets)
    Target 'FuncBot' in project 'FuncBot'
        ➜ Explicit dependency on target 'Starscream' in project 'FuncBot'
    Target 'Starscream' in project 'FuncBot' (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/iPhoneOS.platform/Developer/SDKs/iPhoneOS26.4.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: 8cd903d46a331d3d7ca92106c1221d05
Build description path: /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/XCBuildData/8cd903d46a331d3d7ca92106c1221d05.xcbuilddata
error: SWIFT_VERSION '3.0' is unsupported, supported versions are: 4.0, 4.2, 5.0, 6.0. (in target 'Starscream' from project 'FuncBot')
** BUILD FAILED **
The following build commands failed:
	Building project FuncBot with scheme FuncBot-Package
(1 failure)
BUILD FAILURE 6.3 iOS