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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 6.0 for Linux on 31 Mar 2025 17:52:53 UTC.

Swift 6 data race errors: 0

Build Command

bash -c docker run --pull=always --rm -v "checkouts-4609320-1":/host -w "$PWD" registry.gitlab.com/finestructure/spi-images:basic-6.0-latest swift build --triple x86_64-unknown-linux-gnu -Xswiftc -Xfrontend -Xswiftc -stats-output-dir -Xswiftc -Xfrontend -Xswiftc .stats 2>&1

Build Log

========================================
RunAll
========================================
Builder version: 4.60.1
Interrupt handler set up.
========================================
Checkout
========================================
Clone URL: https://github.com/jollyjinx/JLog.git
Reference: 0.0.7
Initialized empty Git repository in /host/spi-builder-workspace/.git/
hint: Using 'master' as the name for the initial branch. This default branch name
hint: is subject to change. To configure the initial branch name to use in all
hint: of your new repositories, which will suppress this warning, call:
hint:
hint: 	git config --global init.defaultBranch <name>
hint:
hint: Names commonly chosen instead of 'master' are 'main', 'trunk' and
hint: 'development'. The just-created branch can be renamed via this command:
hint:
hint: 	git branch -m <name>
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
========================================
Build
========================================
Selected platform:         linux
Swift version:             6.0
Building package at path:  $PWD
https://github.com/jollyjinx/JLog.git
https://github.com/jollyjinx/JLog.git
WARNING: environment variable SUPPRESS_SWIFT_6_FLAGS is not set
{
  "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" : "/host/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 ...
bash -c docker run --pull=always --rm -v "checkouts-4609320-1":/host -w "$PWD" registry.gitlab.com/finestructure/spi-images:basic-6.0-latest swift build --triple x86_64-unknown-linux-gnu -Xswiftc -Xfrontend -Xswiftc -stats-output-dir -Xswiftc -Xfrontend -Xswiftc .stats 2>&1
basic-6.0-latest: Pulling from finestructure/spi-images
Digest: sha256:081dcf4fb829aea9d08447f4790431afbdfbcc335bfeed728ca69c6f181ae2aa
Status: Image is up to date for registry.gitlab.com/finestructure/spi-images:basic-6.0-latest
Fetching https://github.com/apple/swift-argument-parser
Fetching https://github.com/Adorkable/swift-log-format-and-pipe
Fetching https://github.com/apple/swift-log.git
[1/190] Fetching swift-log-format-and-pipe
[191/3990] Fetching swift-log-format-and-pipe, swift-log
[3991/18783] Fetching swift-log-format-and-pipe, swift-log, swift-argument-parser
Fetched https://github.com/Adorkable/swift-log-format-and-pipe from cache (0.69s)
Fetched https://github.com/apple/swift-log.git from cache (0.69s)
Fetched https://github.com/apple/swift-argument-parser from cache (0.70s)
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 (1.85s)
Computing version for https://github.com/apple/swift-argument-parser
Computed https://github.com/apple/swift-argument-parser at 0.5.0 (0.52s)
Computing version for https://github.com/apple/swift-log.git
Computed https://github.com/apple/swift-log.git at 1.6.3 (0.48s)
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/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/Adorkable/swift-log-format-and-pipe
Working copy of https://github.com/Adorkable/swift-log-format-and-pipe resolved at 0.1.1
Building for debugging...
[0/15] Write sources
[6/15] Write swift-version-24593BA9C3E375BF.txt
[8/22] Emitting module ArgumentParserToolInfo
[9/22] Compiling ArgumentParserToolInfo ToolInfo.swift
[10/23] Wrapping AST for ArgumentParserToolInfo for debugging
[12/23] Compiling Logging LogHandler.swift
[13/23] Emitting module Logging
[14/23] Compiling Logging Locks.swift
[15/23] Compiling Logging Logging.swift
[16/23] Compiling Logging MetadataProvider.swift
[17/58] Wrapping AST for Logging for debugging
[19/64] Compiling LoggingFormatAndPipe Handler.swift
[20/64] Emitting module ArgumentParser
[21/64] Compiling ArgumentParser BashCompletionsGenerator.swift
[22/64] Compiling ArgumentParser CompletionsGenerator.swift
[23/64] Compiling ArgumentParser FishCompletionsGenerator.swift
[24/64] Compiling ArgumentParser ZshCompletionsGenerator.swift
[25/64] Compiling ArgumentParser Argument.swift
[26/68] Compiling ArgumentParser CollectionExtensions.swift
[27/68] Compiling ArgumentParser SequenceExtensions.swift
[28/68] Compiling ArgumentParser StringExtensions.swift
[29/68] Compiling ArgumentParser Tree.swift
[30/68] Compiling ArgumentParser Option.swift
[31/68] Compiling ArgumentParser OptionGroup.swift
[32/68] Compiling ArgumentParser CommandConfiguration.swift
[33/68] Compiling ArgumentParser EnumerableFlag.swift
[34/68] Compiling ArgumentParser ExpressibleByArgument.swift
[35/68] Compiling ArgumentParser ParsedValues.swift
[36/68] Compiling ArgumentParser ParserError.swift
[37/68] Compiling ArgumentParser SplitArguments.swift
[38/68] Compiling ArgumentParser DumpHelpGenerator.swift
[39/68] Compiling LoggingFormatAndPipe LoggerTextOutputStreamPipe.swift
[40/68] Compiling LoggingFormatAndPipe Pipe.swift
[41/68] Emitting module LoggingFormatAndPipe
[42/68] Compiling LoggingFormatAndPipe Formatter.swift
[43/68] Compiling LoggingFormatAndPipe BasicFormatter.swift
[44/69] Wrapping AST for LoggingFormatAndPipe for debugging
[46/69] Compiling ArgumentParser ParsableArguments.swift
[47/69] Compiling ArgumentParser ParsableArgumentsValidation.swift
[48/69] Compiling ArgumentParser ParsableCommand.swift
[49/69] Compiling ArgumentParser ArgumentDecoder.swift
[50/69] Compiling ArgumentParser ArgumentDefinition.swift
[51/69] Compiling ArgumentParser ArgumentHelp.swift
[52/69] Compiling ArgumentParser CompletionKind.swift
[53/69] Compiling ArgumentParser Errors.swift
[54/69] Compiling ArgumentParser Flag.swift
[55/69] Compiling ArgumentParser NameSpecification.swift
[56/69] Compiling ArgumentParser ArgumentSet.swift
[57/69] Compiling ArgumentParser CommandParser.swift
[58/69] Compiling ArgumentParser InputOrigin.swift
[59/69] Compiling ArgumentParser Name.swift
[60/69] Compiling ArgumentParser Parsed.swift
[61/69] Compiling ArgumentParser HelpCommand.swift
[62/69] Compiling ArgumentParser HelpGenerator.swift
[63/69] Compiling ArgumentParser MessageInfo.swift
[64/69] Compiling ArgumentParser UsageGenerator.swift
[65/72] Wrapping AST for ArgumentParser for debugging
[67/72] Compiling JLog JLog.swift
/host/spi-builder-workspace/Sources/JLog/JLog.swift:47:33: warning: result of call to 'createFile(atPath:contents:attributes:)' is unused
 45 |             try FileManager.default.createDirectory(at: logDirectoryURL, withIntermediateDirectories: true,
 46 |                                                     attributes: nil)
 47 |             FileManager.default.createFile(atPath: logFilename.path, contents: Data(), attributes: nil)
    |                                 `- warning: result of call to 'createFile(atPath:contents:attributes:)' is unused
 48 |
 49 |             handle = try FileHandle(forWritingTo: logFilename)
[68/72] Emitting module JLog
[69/73] Wrapping AST for JLog for debugging
[71/75] Compiling JLogExample main.swift
[72/75] Emitting module JLogExample
[73/76] Wrapping AST for JLogExample for debugging
[74/76] Write Objects.LinkFileList
[75/76] Linking JLogExample
Build complete! (21.00s)
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" : "/host/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"
}
basic-6.0-latest: Pulling from finestructure/spi-images
Digest: sha256:081dcf4fb829aea9d08447f4790431afbdfbcc335bfeed728ca69c6f181ae2aa
Status: Image is up to date for registry.gitlab.com/finestructure/spi-images:basic-6.0-latest
Done.