slox – Build Information – Swift Package Index

Track the adoption of Swift 6 strict concurrency checks for data race safety. How many packages are Ready for Swift 6?

Build Information

Failed to build slox, reference master (6f9b47), with Swift 6.1 for watchOS using Xcode 16.3 on 25 Apr 2025 04:05:53 UTC.

Build Command

env DEVELOPER_DIR=/Applications/Xcode-16.3.0.app xcrun xcodebuild -IDEClonedSourcePackagesDirPathOverride=$PWD/.dependencies -skipMacroValidation -skipPackagePluginValidation -derivedDataPath $PWD/.derivedData build -scheme slox-Package -destination generic/platform=watchOS

Build Log

========================================
RunAll
========================================
Builder version: 4.61.0
Interrupt handler set up.
========================================
Checkout
========================================
Clone URL: https://github.com/alexito4/slox.git
Reference: master
Initialized empty Git repository in /Users/admin/builder/spi-builder-workspace/.git/
From https://github.com/alexito4/slox
 * branch            master     -> FETCH_HEAD
 * [new branch]      master     -> origin/master
HEAD is now at 6f9b479 update readme
Cloned https://github.com/alexito4/slox.git
Revision (git rev-parse @):
6f9b47958fcf064a4bcde3f6cf7ffb7664a13bf6
SUCCESS checkout https://github.com/alexito4/slox.git at master
========================================
Build
========================================
Selected platform:         watchOS
Swift version:             6.1
Building package at path:  $PWD
https://github.com/alexito4/slox.git
https://github.com/alexito4/slox.git
{
  "dependencies" : [
    {
      "identity" : "result",
      "requirement" : {
        "range" : [
          {
            "lower_bound" : "3.2.4",
            "upper_bound" : "4.0.0"
          }
        ]
      },
      "type" : "sourceControl",
      "url" : "https://github.com/antitypical/Result.git"
    }
  ],
  "manifest_display_name" : "slox",
  "name" : "slox",
  "path" : "/Users/admin/builder/spi-builder-workspace",
  "platforms" : [
  ],
  "products" : [
    {
      "name" : "slox",
      "targets" : [
        "slox"
      ],
      "type" : {
        "executable" : null
      }
    },
    {
      "name" : "GenerateAst",
      "targets" : [
        "GenerateAst"
      ],
      "type" : {
        "executable" : null
      }
    }
  ],
  "targets" : [
    {
      "c99name" : "slox",
      "module_type" : "SwiftTarget",
      "name" : "slox",
      "path" : "Sources/slox",
      "product_memberships" : [
        "slox"
      ],
      "sources" : [
        "main.swift"
      ],
      "target_dependencies" : [
        "LoxCore"
      ],
      "type" : "executable"
    },
    {
      "c99name" : "LoxCore",
      "module_type" : "SwiftTarget",
      "name" : "LoxCore",
      "path" : "Sources/LoxCore",
      "product_dependencies" : [
        "Result"
      ],
      "product_memberships" : [
        "slox"
      ],
      "sources" : [
        "AstPrinter.swift",
        "Debug.swift",
        "Environment.swift",
        "Expr.swift",
        "Lox.swift",
        "Parser.swift",
        "Resolver.swift",
        "Runtime/Interpreter.swift",
        "Runtime/LoxCallable.swift",
        "Runtime/LoxClass.swift",
        "Runtime/LoxInstance.swift",
        "Scanner.swift",
        "Stmt.swift",
        "Token.swift"
      ],
      "type" : "library"
    },
    {
      "c99name" : "GenerateAst",
      "module_type" : "SwiftTarget",
      "name" : "GenerateAst",
      "path" : "Sources/GenerateAst",
      "product_memberships" : [
        "GenerateAst"
      ],
      "sources" : [
        "Printer.swift",
        "main.swift"
      ],
      "type" : "executable"
    }
  ],
  "tools_version" : "4.0"
}
Command line invocation:
    /Applications/Xcode-16.3.0.app/Contents/Developer/usr/bin/xcodebuild -IDEClonedSourcePackagesDirPathOverride=/Users/admin/builder/spi-builder-workspace/.dependencies -resolvePackageDependencies
resolved source packages:
{
  "dependencies" : [
    {
      "identity" : "result",
      "requirement" : {
        "range" : [
          {
            "lower_bound" : "3.2.4",
            "upper_bound" : "4.0.0"
          }
        ]
      },
      "type" : "sourceControl",
      "url" : "https://github.com/antitypical/Result.git"
    }
  ],
  "manifest_display_name" : "slox",
  "name" : "slox",
  "path" : "/Users/admin/builder/spi-builder-workspace",
  "platforms" : [
  ],
  "products" : [
    {
      "name" : "slox",
      "targets" : [
        "slox"
      ],
      "type" : {
        "executable" : null
      }
    },
    {
      "name" : "GenerateAst",
      "targets" : [
        "GenerateAst"
      ],
      "type" : {
        "executable" : null
      }
    }
  ],
  "targets" : [
    {
      "c99name" : "slox",
      "module_type" : "SwiftTarget",
      "name" : "slox",
      "path" : "Sources/slox",
      "product_memberships" : [
        "slox"
      ],
      "sources" : [
        "main.swift"
      ],
      "target_dependencies" : [
        "LoxCore"
      ],
      "type" : "executable"
    },
    {
      "c99name" : "LoxCore",
      "module_type" : "SwiftTarget",
      "name" : "LoxCore",
      "path" : "Sources/LoxCore",
      "product_dependencies" : [
        "Result"
      ],
      "product_memberships" : [
        "slox"
      ],
      "sources" : [
        "AstPrinter.swift",
        "Debug.swift",
        "Environment.swift",
        "Expr.swift",
        "Lox.swift",
        "Parser.swift",
        "Resolver.swift",
        "Runtime/Interpreter.swift",
        "Runtime/LoxCallable.swift",
        "Runtime/LoxClass.swift",
        "Runtime/LoxInstance.swift",
        "Scanner.swift",
        "Stmt.swift",
        "Token.swift"
      ],
      "type" : "library"
    },
    {
      "c99name" : "GenerateAst",
      "module_type" : "SwiftTarget",
      "name" : "GenerateAst",
      "path" : "Sources/GenerateAst",
      "product_memberships" : [
        "GenerateAst"
      ],
      "sources" : [
        "Printer.swift",
        "main.swift"
      ],
      "type" : "executable"
    }
  ],
  "tools_version" : "4.0"
}
{
  "project" : {
    "configurations" : [
      "Debug",
      "Release"
    ],
    "name" : "slox",
    "schemes" : [
      "GenerateAst",
      "ResultPackageDescription",
      "slox",
      "slox",
      "slox-Package",
      "sloxPackageDescription"
    ],
    "targets" : [
      "sloxPackageDescription",
      "ResultPackageDescription",
      "GenerateAst",
      "slox",
      "LoxCore",
      "Result"
    ]
  }
}
Running build ...
env DEVELOPER_DIR=/Applications/Xcode-16.3.0.app xcrun xcodebuild -IDEClonedSourcePackagesDirPathOverride=$PWD/.dependencies -skipMacroValidation -skipPackagePluginValidation -derivedDataPath $PWD/.derivedData build -scheme slox-Package -destination generic/platform=watchOS OTHER_SWIFT_FLAGS=-stats-output-dir .stats -strict-concurrency=complete -enable-upcoming-feature StrictConcurrency -enable-upcoming-feature DisableOutwardActorInference -enable-upcoming-feature GlobalActorIsolatedTypesUsability -enable-upcoming-feature InferSendableFromCaptures
Command line invocation:
    /Applications/Xcode-16.3.0.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 slox-Package -destination generic/platform=watchOS "OTHER_SWIFT_FLAGS=-stats-output-dir .stats -strict-concurrency=complete -enable-upcoming-feature StrictConcurrency -enable-upcoming-feature DisableOutwardActorInference -enable-upcoming-feature GlobalActorIsolatedTypesUsability -enable-upcoming-feature InferSendableFromCaptures"
Build settings from command line:
    OTHER_SWIFT_FLAGS = -stats-output-dir .stats -strict-concurrency=complete -enable-upcoming-feature StrictConcurrency -enable-upcoming-feature DisableOutwardActorInference -enable-upcoming-feature GlobalActorIsolatedTypesUsability -enable-upcoming-feature InferSendableFromCaptures
ComputePackagePrebuildTargetDependencyGraph
Prepare packages
CreateBuildRequest
SendProjectDescription
CreateBuildOperation
ComputeTargetDependencyGraph
note: Building targets in dependency order
note: Target dependency graph (4 targets)
    Target 'slox' in project 'slox'
        ➜ Explicit dependency on target 'LoxCore' in project 'slox'
        ➜ Explicit dependency on target 'Result' in project 'slox'
    Target 'LoxCore' in project 'slox'
        ➜ Explicit dependency on target 'Result' in project 'slox'
    Target 'Result' in project 'slox' (no dependencies)
    Target 'GenerateAst' in project 'slox' (no dependencies)
GatherProvisioningInputs
CreateBuildDescription
ExecuteExternalTool /Applications/Xcode-16.3.0.app/Contents/Developer/Toolchains/XcodeDefault.xctoolchain/usr/bin/swiftc --version
ExecuteExternalTool /Applications/Xcode-16.3.0.app/Contents/Developer/Toolchains/XcodeDefault.xctoolchain/usr/bin/clang -v -E -dM -isysroot /Applications/Xcode-16.3.0.app/Contents/Developer/Platforms/WatchOS.platform/Developer/SDKs/WatchOS11.4.sdk -x c -c /dev/null
ExecuteExternalTool /Applications/Xcode-16.3.0.app/Contents/Developer/Toolchains/XcodeDefault.xctoolchain/usr/bin/ld -version_details
Build description signature: 11cad02307deab08314ba28c601908df
Build description path: /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/XCBuildData/11cad02307deab08314ba28c601908df.xcbuilddata
error: SWIFT_VERSION '3.0' is unsupported, supported versions are: 4.0, 4.2, 5.0, 6.0. (in target 'Result' from project 'slox')
error: SWIFT_VERSION '3.0' is unsupported, supported versions are: 4.0, 4.2, 5.0, 6.0. (in target 'Result' from project 'slox')
/Users/admin/builder/spi-builder-workspace/slox.xcodeproj: error: Signing for "slox" requires a development team. Select a development team in the Signing & Capabilities editor. (in target 'slox' from project 'slox')
/Users/admin/builder/spi-builder-workspace/slox.xcodeproj: error: Signing for "GenerateAst" requires a development team. Select a development team in the Signing & Capabilities editor. (in target 'GenerateAst' from project 'slox')
** BUILD FAILED **
The following build commands failed:
	Building project slox with scheme slox-Package
(1 failure)
Command line invocation:
    /Applications/Xcode-16.3.0.app/Contents/Developer/usr/bin/xcodebuild -IDEClonedSourcePackagesDirPathOverride=/Users/admin/builder/spi-builder-workspace/.dependencies -resolvePackageDependencies
resolved source packages:
{
  "dependencies" : [
    {
      "identity" : "result",
      "requirement" : {
        "range" : [
          {
            "lower_bound" : "3.2.4",
            "upper_bound" : "4.0.0"
          }
        ]
      },
      "type" : "sourceControl",
      "url" : "https://github.com/antitypical/Result.git"
    }
  ],
  "manifest_display_name" : "slox",
  "name" : "slox",
  "path" : "/Users/admin/builder/spi-builder-workspace",
  "platforms" : [
  ],
  "products" : [
    {
      "name" : "slox",
      "targets" : [
        "slox"
      ],
      "type" : {
        "executable" : null
      }
    },
    {
      "name" : "GenerateAst",
      "targets" : [
        "GenerateAst"
      ],
      "type" : {
        "executable" : null
      }
    }
  ],
  "targets" : [
    {
      "c99name" : "slox",
      "module_type" : "SwiftTarget",
      "name" : "slox",
      "path" : "Sources/slox",
      "product_memberships" : [
        "slox"
      ],
      "sources" : [
        "main.swift"
      ],
      "target_dependencies" : [
        "LoxCore"
      ],
      "type" : "executable"
    },
    {
      "c99name" : "LoxCore",
      "module_type" : "SwiftTarget",
      "name" : "LoxCore",
      "path" : "Sources/LoxCore",
      "product_dependencies" : [
        "Result"
      ],
      "product_memberships" : [
        "slox"
      ],
      "sources" : [
        "AstPrinter.swift",
        "Debug.swift",
        "Environment.swift",
        "Expr.swift",
        "Lox.swift",
        "Parser.swift",
        "Resolver.swift",
        "Runtime/Interpreter.swift",
        "Runtime/LoxCallable.swift",
        "Runtime/LoxClass.swift",
        "Runtime/LoxInstance.swift",
        "Scanner.swift",
        "Stmt.swift",
        "Token.swift"
      ],
      "type" : "library"
    },
    {
      "c99name" : "GenerateAst",
      "module_type" : "SwiftTarget",
      "name" : "GenerateAst",
      "path" : "Sources/GenerateAst",
      "product_memberships" : [
        "GenerateAst"
      ],
      "sources" : [
        "Printer.swift",
        "main.swift"
      ],
      "type" : "executable"
    }
  ],
  "tools_version" : "4.0"
}
{
  "project" : {
    "configurations" : [
      "Debug",
      "Release"
    ],
    "name" : "slox",
    "schemes" : [
      "GenerateAst",
      "ResultPackageDescription",
      "slox",
      "slox",
      "slox-Package",
      "sloxPackageDescription"
    ],
    "targets" : [
      "sloxPackageDescription",
      "ResultPackageDescription",
      "GenerateAst",
      "slox",
      "LoxCore",
      "Result"
    ]
  }
}
Running build ...
env DEVELOPER_DIR=/Applications/Xcode-16.3.0.app xcrun xcodebuild -IDEClonedSourcePackagesDirPathOverride=$PWD/.dependencies -skipMacroValidation -skipPackagePluginValidation -derivedDataPath $PWD/.derivedData build -scheme slox-Package -destination generic/platform=watchOS
Command line invocation:
    /Applications/Xcode-16.3.0.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 slox-Package -destination generic/platform=watchOS
ComputePackagePrebuildTargetDependencyGraph
Prepare packages
CreateBuildRequest
SendProjectDescription
CreateBuildOperation
ComputeTargetDependencyGraph
note: Building targets in dependency order
note: Target dependency graph (4 targets)
    Target 'slox' in project 'slox'
        ➜ Explicit dependency on target 'LoxCore' in project 'slox'
        ➜ Explicit dependency on target 'Result' in project 'slox'
    Target 'LoxCore' in project 'slox'
        ➜ Explicit dependency on target 'Result' in project 'slox'
    Target 'Result' in project 'slox' (no dependencies)
    Target 'GenerateAst' in project 'slox' (no dependencies)
GatherProvisioningInputs
CreateBuildDescription
ExecuteExternalTool /Applications/Xcode-16.3.0.app/Contents/Developer/Toolchains/XcodeDefault.xctoolchain/usr/bin/swiftc --version
ExecuteExternalTool /Applications/Xcode-16.3.0.app/Contents/Developer/Toolchains/XcodeDefault.xctoolchain/usr/bin/clang -v -E -dM -isysroot /Applications/Xcode-16.3.0.app/Contents/Developer/Platforms/WatchOS.platform/Developer/SDKs/WatchOS11.4.sdk -x c -c /dev/null
ExecuteExternalTool /Applications/Xcode-16.3.0.app/Contents/Developer/Toolchains/XcodeDefault.xctoolchain/usr/bin/ld -version_details
Build description signature: f24427e70a9f7d0d8063f1989a2d15a7
Build description path: /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/XCBuildData/f24427e70a9f7d0d8063f1989a2d15a7.xcbuilddata
/Users/admin/builder/spi-builder-workspace/slox.xcodeproj: error: Signing for "GenerateAst" requires a development team. Select a development team in the Signing & Capabilities editor. (in target 'GenerateAst' from project 'slox')
/Users/admin/builder/spi-builder-workspace/slox.xcodeproj: error: Signing for "slox" requires a development team. Select a development team in the Signing & Capabilities editor. (in target 'slox' from project 'slox')
error: SWIFT_VERSION '3.0' is unsupported, supported versions are: 4.0, 4.2, 5.0, 6.0. (in target 'Result' from project 'slox')
error: SWIFT_VERSION '3.0' is unsupported, supported versions are: 4.0, 4.2, 5.0, 6.0. (in target 'Result' from project 'slox')
** BUILD FAILED **
The following build commands failed:
	Building project slox with scheme slox-Package
(1 failure)
BUILD FAILURE 6.1 watchOS