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

Build Information

Successful build of JLog, reference 0.0.7 (d57cef), with Swift 6.1 for macOS (SPM) on 1 May 2025 04:29:36 UTC.

Swift 6 data race errors: 0

Build Command

env DEVELOPER_DIR=/Applications/Xcode-16.3.0.app xcrun swift build --arch arm64 -Xswiftc -Xfrontend -Xswiftc -stats-output-dir -Xswiftc -Xfrontend -Xswiftc .stats

Build Log

========================================
RunAll
========================================
Builder version: 4.61.2
Interrupt handler set up.
========================================
Checkout
========================================
Clone URL: https://github.com/jollyjinx/JLog.git
Reference: 0.0.7
Initialized empty Git repository in /Users/admin/builder/spi-builder-workspace/.git/
From https://github.com/jollyjinx/JLog
 * tag               0.0.7      -> FETCH_HEAD
HEAD is now at d57cef7 fixed concurrency issue
Cloned https://github.com/jollyjinx/JLog.git
Revision (git rev-parse @):
d57cef799eca123709928501a85a6071bc3de1a8
SUCCESS checkout https://github.com/jollyjinx/JLog.git at 0.0.7
Fetching https://github.com/Adorkable/swift-log-format-and-pipe
Fetching https://github.com/apple/swift-log.git from cache
Fetching https://github.com/apple/swift-argument-parser from cache
[1/190] Fetching swift-log-format-and-pipe
Fetched https://github.com/apple/swift-log.git from cache (0.70s)
Fetched https://github.com/apple/swift-argument-parser from cache (0.70s)
Fetched https://github.com/Adorkable/swift-log-format-and-pipe from cache (0.84s)
Computing version for https://github.com/Adorkable/swift-log-format-and-pipe
Computed https://github.com/Adorkable/swift-log-format-and-pipe at 0.1.1 (1.79s)
Computing version for https://github.com/apple/swift-argument-parser
Computed https://github.com/apple/swift-argument-parser at 0.5.0 (0.60s)
Computing version for https://github.com/apple/swift-log.git
Computed https://github.com/apple/swift-log.git at 1.6.3 (0.44s)
Creating working copy for https://github.com/apple/swift-argument-parser
Working copy of https://github.com/apple/swift-argument-parser resolved at 0.5.0
Creating working copy for https://github.com/apple/swift-log.git
Working copy of https://github.com/apple/swift-log.git resolved at 1.6.3
Creating working copy for https://github.com/Adorkable/swift-log-format-and-pipe
Working copy of https://github.com/Adorkable/swift-log-format-and-pipe resolved at 0.1.1
========================================
ResolveProductDependencies
========================================
Resolving dependencies ...
{
  "identity": ".resolve-product-dependencies",
  "name": "resolve-dependencies",
  "url": "/Users/admin/builder/spi-builder-workspace/.resolve-product-dependencies",
  "version": "unspecified",
  "path": "/Users/admin/builder/spi-builder-workspace/.resolve-product-dependencies",
  "dependencies": [
    {
      "identity": "jlog",
      "name": "JLog",
      "url": "https://github.com/jollyjinx/JLog.git",
      "version": "unspecified",
      "path": "/Users/admin/builder/spi-builder-workspace/.resolve-product-dependencies/.build/checkouts/JLog",
      "dependencies": [
        {
          "identity": "swift-log-format-and-pipe",
          "name": "swift-log-format-and-pipe",
          "url": "https://github.com/Adorkable/swift-log-format-and-pipe",
          "version": "0.1.1",
          "path": "/Users/admin/builder/spi-builder-workspace/.resolve-product-dependencies/.build/checkouts/swift-log-format-and-pipe",
          "dependencies": [
            {
              "identity": "swift-log",
              "name": "swift-log",
              "url": "https://github.com/apple/swift-log.git",
              "version": "1.6.3",
              "path": "/Users/admin/builder/spi-builder-workspace/.resolve-product-dependencies/.build/checkouts/swift-log",
              "dependencies": [
              ]
            }
          ]
        },
        {
          "identity": "swift-log",
          "name": "swift-log",
          "url": "https://github.com/apple/swift-log.git",
          "version": "1.6.3",
          "path": "/Users/admin/builder/spi-builder-workspace/.resolve-product-dependencies/.build/checkouts/swift-log",
          "dependencies": [
          ]
        }
      ]
    }
  ]
}
Fetching https://github.com/jollyjinx/JLog.git
[1/93] Fetching jlog
Fetched https://github.com/jollyjinx/JLog.git from cache (0.64s)
Fetching https://github.com/Adorkable/swift-log-format-and-pipe from cache
Fetching https://github.com/apple/swift-log.git from cache
Fetched https://github.com/Adorkable/swift-log-format-and-pipe from cache (0.55s)
Fetched https://github.com/apple/swift-log.git from cache (0.55s)
Computing version for https://github.com/Adorkable/swift-log-format-and-pipe
Computed https://github.com/Adorkable/swift-log-format-and-pipe at 0.1.1 (0.61s)
Computing version for https://github.com/apple/swift-log.git
Computed https://github.com/apple/swift-log.git at 1.6.3 (0.03s)
Creating working copy for https://github.com/jollyjinx/JLog.git
Working copy of https://github.com/jollyjinx/JLog.git resolved at 0.0.7 (d57cef7)
Creating working copy for https://github.com/Adorkable/swift-log-format-and-pipe
Working copy of https://github.com/Adorkable/swift-log-format-and-pipe resolved at 0.1.1
Creating working copy for https://github.com/apple/swift-log.git
Working copy of https://github.com/apple/swift-log.git resolved at 1.6.3
warning: '.resolve-product-dependencies': dependency 'jlog' is not used by any target
Found 2 product dependencies
  - swift-log-format-and-pipe
  - swift-log
========================================
Build
========================================
Selected platform:         macosSpm
Swift version:             6.1
Building package at path:  $PWD
https://github.com/jollyjinx/JLog.git
https://github.com/jollyjinx/JLog.git
{
  "dependencies" : [
    {
      "identity" : "swift-log-format-and-pipe",
      "requirement" : {
        "range" : [
          {
            "lower_bound" : "0.1.1",
            "upper_bound" : "1.0.0"
          }
        ]
      },
      "type" : "sourceControl",
      "url" : "https://github.com/Adorkable/swift-log-format-and-pipe"
    },
    {
      "identity" : "swift-log",
      "requirement" : {
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      },
      "type" : "sourceControl",
      "url" : "https://github.com/apple/swift-log.git"
    },
    {
      "identity" : "swift-argument-parser",
      "requirement" : {
        "range" : [
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            "upper_bound" : "1.0.0"
          }
        ]
      },
      "type" : "sourceControl",
      "url" : "https://github.com/apple/swift-argument-parser"
    }
  ],
  "manifest_display_name" : "JLog",
  "name" : "JLog",
  "path" : "/Users/admin/builder/spi-builder-workspace",
  "platforms" : [
    {
      "name" : "ios",
      "version" : "18.0"
    },
    {
      "name" : "macos",
      "version" : "15.0"
    },
    {
      "name" : "tvos",
      "version" : "18.0"
    },
    {
      "name" : "watchos",
      "version" : "10.0"
    }
  ],
  "products" : [
    {
      "name" : "JLog",
      "targets" : [
        "JLog"
      ],
      "type" : {
        "library" : [
          "automatic"
        ]
      }
    },
    {
      "name" : "JLogExample",
      "targets" : [
        "JLogExample"
      ],
      "type" : {
        "executable" : null
      }
    }
  ],
  "targets" : [
    {
      "c99name" : "JLogTests",
      "module_type" : "SwiftTarget",
      "name" : "JLogTests",
      "path" : "Tests/JLogTests",
      "sources" : [
        "JLogTests.swift"
      ],
      "target_dependencies" : [
        "JLog"
      ],
      "type" : "test"
    },
    {
      "c99name" : "JLogExample",
      "module_type" : "SwiftTarget",
      "name" : "JLogExample",
      "path" : "Sources/JLogExample",
      "product_dependencies" : [
        "ArgumentParser"
      ],
      "product_memberships" : [
        "JLogExample"
      ],
      "sources" : [
        "main.swift"
      ],
      "target_dependencies" : [
        "JLog"
      ],
      "type" : "executable"
    },
    {
      "c99name" : "JLog",
      "module_type" : "SwiftTarget",
      "name" : "JLog",
      "path" : "Sources/JLog",
      "product_dependencies" : [
        "Logging",
        "LoggingFormatAndPipe"
      ],
      "product_memberships" : [
        "JLog",
        "JLogExample"
      ],
      "sources" : [
        "JLog.swift"
      ],
      "type" : "library"
    }
  ],
  "tools_version" : "6.0"
}
Running build ...
env DEVELOPER_DIR=/Applications/Xcode-16.3.0.app xcrun swift build --arch arm64 -Xswiftc -Xfrontend -Xswiftc -stats-output-dir -Xswiftc -Xfrontend -Xswiftc .stats
Building for debugging...
[0/11] Write sources
[3/11] Write JLogExample-entitlement.plist
[7/11] Write swift-version-2F0A5646E1D333AE.txt
[9/18] Emitting module ArgumentParserToolInfo
[10/18] Compiling ArgumentParserToolInfo ToolInfo.swift
[11/53] Emitting module Logging
[12/53] Compiling Logging LogHandler.swift
[13/53] Compiling Logging MetadataProvider.swift
[14/53] Compiling Logging Logging.swift
[15/53] Compiling Logging Locks.swift
[16/59] Compiling ArgumentParser Parsed.swift
[17/59] Compiling ArgumentParser ParsedValues.swift
[18/59] Compiling ArgumentParser ParserError.swift
[19/59] Compiling ArgumentParser SplitArguments.swift
[20/62] Compiling ArgumentParser Argument.swift
[21/62] Compiling ArgumentParser ArgumentHelp.swift
[22/62] Compiling ArgumentParser CompletionKind.swift
[23/62] Compiling ArgumentParser Errors.swift
[24/62] Compiling ArgumentParser Flag.swift
[25/62] Compiling ArgumentParser NameSpecification.swift
[26/62] Compiling ArgumentParser Option.swift
[27/62] Compiling ArgumentParser OptionGroup.swift
[28/62] Emitting module ArgumentParser
[29/62] Compiling ArgumentParser SequenceExtensions.swift
[30/62] Compiling ArgumentParser StringExtensions.swift
[31/62] Compiling ArgumentParser Tree.swift
[32/62] Compiling ArgumentParser ArgumentSet.swift
[33/62] Compiling ArgumentParser CommandParser.swift
[34/62] Compiling ArgumentParser InputOrigin.swift
[35/62] Compiling ArgumentParser Name.swift
[36/62] Compiling ArgumentParser BashCompletionsGenerator.swift
[37/62] Compiling ArgumentParser CompletionsGenerator.swift
[38/62] Compiling ArgumentParser FishCompletionsGenerator.swift
[39/62] Compiling ArgumentParser ZshCompletionsGenerator.swift
[40/62] Compiling ArgumentParser ParsableArgumentsValidation.swift
[41/62] Compiling ArgumentParser ParsableCommand.swift
[42/62] Compiling ArgumentParser ArgumentDecoder.swift
[43/62] Compiling ArgumentParser ArgumentDefinition.swift
[44/62] Compiling LoggingFormatAndPipe LoggerTextOutputStreamPipe.swift
[45/62] Compiling LoggingFormatAndPipe Pipe.swift
[46/62] Emitting module LoggingFormatAndPipe
[47/62] Compiling LoggingFormatAndPipe Handler.swift
[48/62] Compiling LoggingFormatAndPipe Formatter.swift
[49/62] Compiling LoggingFormatAndPipe BasicFormatter.swift
[50/62] Compiling ArgumentParser MessageInfo.swift
[51/62] Compiling ArgumentParser UsageGenerator.swift
[52/62] Compiling ArgumentParser CollectionExtensions.swift
[53/62] Compiling ArgumentParser CommandConfiguration.swift
[54/62] Compiling ArgumentParser EnumerableFlag.swift
[55/62] Compiling ArgumentParser ExpressibleByArgument.swift
[56/62] Compiling ArgumentParser ParsableArguments.swift
[57/62] Compiling ArgumentParser DumpHelpGenerator.swift
[58/62] Compiling ArgumentParser HelpCommand.swift
[59/62] Compiling ArgumentParser HelpGenerator.swift
[60/64] Compiling JLog JLog.swift
[61/64] Emitting module JLog
[62/66] Compiling JLogExample main.swift
[63/66] Emitting module JLogExample
[63/66] Write Objects.LinkFileList
[64/66] Linking JLogExample
[65/66] Applying JLogExample
Build complete! (8.46s)
Build complete.
{
  "dependencies" : [
    {
      "identity" : "swift-log-format-and-pipe",
      "requirement" : {
        "range" : [
          {
            "lower_bound" : "0.1.1",
            "upper_bound" : "1.0.0"
          }
        ]
      },
      "type" : "sourceControl",
      "url" : "https://github.com/Adorkable/swift-log-format-and-pipe"
    },
    {
      "identity" : "swift-log",
      "requirement" : {
        "range" : [
          {
            "lower_bound" : "1.2.0",
            "upper_bound" : "2.0.0"
          }
        ]
      },
      "type" : "sourceControl",
      "url" : "https://github.com/apple/swift-log.git"
    },
    {
      "identity" : "swift-argument-parser",
      "requirement" : {
        "range" : [
          {
            "lower_bound" : "0.3.2",
            "upper_bound" : "1.0.0"
          }
        ]
      },
      "type" : "sourceControl",
      "url" : "https://github.com/apple/swift-argument-parser"
    }
  ],
  "manifest_display_name" : "JLog",
  "name" : "JLog",
  "path" : "/Users/admin/builder/spi-builder-workspace",
  "platforms" : [
    {
      "name" : "ios",
      "version" : "18.0"
    },
    {
      "name" : "macos",
      "version" : "15.0"
    },
    {
      "name" : "tvos",
      "version" : "18.0"
    },
    {
      "name" : "watchos",
      "version" : "10.0"
    }
  ],
  "products" : [
    {
      "name" : "JLog",
      "targets" : [
        "JLog"
      ],
      "type" : {
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      }
    },
    {
      "name" : "JLogExample",
      "targets" : [
        "JLogExample"
      ],
      "type" : {
        "executable" : null
      }
    }
  ],
  "targets" : [
    {
      "c99name" : "JLogTests",
      "module_type" : "SwiftTarget",
      "name" : "JLogTests",
      "path" : "Tests/JLogTests",
      "sources" : [
        "JLogTests.swift"
      ],
      "target_dependencies" : [
        "JLog"
      ],
      "type" : "test"
    },
    {
      "c99name" : "JLogExample",
      "module_type" : "SwiftTarget",
      "name" : "JLogExample",
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      "product_memberships" : [
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      "sources" : [
        "main.swift"
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      "target_dependencies" : [
        "JLog"
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      "type" : "executable"
    },
    {
      "c99name" : "JLog",
      "module_type" : "SwiftTarget",
      "name" : "JLog",
      "path" : "Sources/JLog",
      "product_dependencies" : [
        "Logging",
        "LoggingFormatAndPipe"
      ],
      "product_memberships" : [
        "JLog",
        "JLogExample"
      ],
      "sources" : [
        "JLog.swift"
      ],
      "type" : "library"
    }
  ],
  "tools_version" : "6.0"
}
Done.