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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 SwiftRLP with Swift 6.0 for macOS (SPM).

Swift 6 data race errors: 1

Build Command

env DEVELOPER_DIR=/Applications/Xcode-15.3.0.app xcrun --toolchain org.swift.600202405261a swift build --arch arm64 -Xswiftc -Xfrontend -Xswiftc -stats-output-dir -Xswiftc -Xfrontend -Xswiftc .stats -Xswiftc -strict-concurrency=complete

Build Log

========================================
RunAll
========================================
Builder version: 4.40.0
Interrupt handler set up.
========================================
Checkout
========================================
Clone URL: https://github.com/alephao/swift-rlp.git
Reference: main
Initialized empty Git repository in /Users/admin/builder/spi-builder-workspace/.git/
From https://github.com/alephao/swift-rlp
 * branch            main       -> FETCH_HEAD
 * [new branch]      main       -> origin/main
HEAD is now at a10665a feat: rename to swift-rlp, SwiftRLP
Cloned https://github.com/alephao/swift-rlp.git
Revision (git rev-parse @):
a10665a247500121f54b198be8aa531876e624ef
SUCCESS checkout https://github.com/alephao/swift-rlp.git at main
========================================
Build
========================================
Selected platform:         macosSpm
Swift version:             6.0
Building package at path:  $workDir
https://github.com/alephao/swift-rlp.git
Running build ...
env DEVELOPER_DIR=/Applications/Xcode-15.3.0.app xcrun --toolchain org.swift.600202405261a swift build --arch arm64 -Xswiftc -Xfrontend -Xswiftc -stats-output-dir -Xswiftc -Xfrontend -Xswiftc .stats -Xswiftc -strict-concurrency=complete
[1/1] Compiling plugin GenerateManual
Building for debugging...
[1/10] Write sources
[2/10] Write cli-entitlement.plist
[3/10] Write sources
[6/10] Write swift-version-6F35C1178C84523A.txt
[8/17] Compiling ArgumentParserToolInfo ToolInfo.swift
[9/17] Emitting module ArgumentParserToolInfo
[10/55] Compiling ArgumentParser BashCompletionsGenerator.swift
[11/55] Compiling ArgumentParser CompletionsGenerator.swift
[12/55] Compiling ArgumentParser FishCompletionsGenerator.swift
[13/55] Compiling ArgumentParser ZshCompletionsGenerator.swift
[14/55] Compiling ArgumentParser Argument.swift
[15/59] Compiling ArgumentParser ParsableArguments.swift
[16/59] Compiling ArgumentParser ParsableArgumentsValidation.swift
[17/59] Compiling ArgumentParser ParsableCommand.swift
[18/59] Compiling ArgumentParser ArgumentDecoder.swift
[19/59] Compiling ArgumentParser AsyncParsableCommand.swift
[20/59] Compiling ArgumentParser CommandConfiguration.swift
[21/59] Compiling ArgumentParser EnumerableFlag.swift
[22/59] Compiling ArgumentParser ExpressibleByArgument.swift
[23/59] Emitting module ArgumentParser
[24/59] Compiling ArgumentParser ArgumentDefinition.swift
[25/59] Compiling ArgumentParser ArgumentSet.swift
[26/59] Compiling ArgumentParser CommandParser.swift
[27/59] Compiling ArgumentParser InputKey.swift
[28/59] Compiling ArgumentParser Platform.swift
[29/59] Compiling ArgumentParser SequenceExtensions.swift
[30/59] Compiling ArgumentParser StringExtensions.swift
[31/59] Compiling ArgumentParser Tree.swift
[32/59] Compiling ArgumentParser Flag.swift
[33/59] Compiling ArgumentParser NameSpecification.swift
[34/59] Compiling ArgumentParser Option.swift
[35/59] Compiling ArgumentParser OptionGroup.swift
[36/59] Compiling ArgumentParser ParserError.swift
[37/59] Compiling ArgumentParser SplitArguments.swift
[38/59] Compiling ArgumentParser DumpHelpGenerator.swift
[39/59] Compiling ArgumentParser HelpCommand.swift
[40/59] Compiling ArgumentParser ArgumentHelp.swift
[41/59] Compiling ArgumentParser ArgumentVisibility.swift
[42/59] Compiling ArgumentParser CompletionKind.swift
[43/59] Compiling ArgumentParser Errors.swift
[44/59] Compiling ArgumentParser InputOrigin.swift
[45/59] Compiling ArgumentParser Name.swift
[46/59] Compiling ArgumentParser Parsed.swift
[47/59] Compiling ArgumentParser ParsedValues.swift
[48/59] Compiling ArgumentParser HelpGenerator.swift
[49/59] Compiling ArgumentParser MessageInfo.swift
[50/59] Compiling ArgumentParser UsageGenerator.swift
[51/59] Compiling ArgumentParser CollectionExtensions.swift
[52/59] Compiling SwiftRLP RLPValue.swift
[53/59] Compiling SwiftRLP RLPEncoder.swift
[54/59] Emitting module SwiftRLP
[55/59] Compiling SwiftRLP RLPError.swift
[56/59] Compiling SwiftRLP RLPDecoder.swift
[57/61] Emitting module cli
/Users/admin/builder/spi-builder-workspace/Sources/cli/RLPCli.swift:31:16: warning: static property 'configuration' is not concurrency-safe because it is non-isolated global shared mutable state; this is an error in the Swift 6 language mode
29 |     }
30 |
31 |     static var configuration = CommandConfiguration(
   |                |- warning: static property 'configuration' is not concurrency-safe because it is non-isolated global shared mutable state; this is an error in the Swift 6 language mode
   |                |- note: convert 'configuration' to a 'let' constant to make 'Sendable' shared state immutable
   |                |- note: annotate 'configuration' with '@MainActor' if property should only be accessed from the main actor
   |                `- note: disable concurrency-safety checks if accesses are protected by an external synchronization mechanism
32 |         abstract: "A utility for performing rlp encoding/decoding.",
33 |         subcommands: [Encode.self, Decode.self]
[58/61] Compiling cli RLPCli.swift
/Users/admin/builder/spi-builder-workspace/Sources/cli/RLPCli.swift:31:16: warning: static property 'configuration' is not concurrency-safe because it is non-isolated global shared mutable state; this is an error in the Swift 6 language mode
29 |     }
30 |
31 |     static var configuration = CommandConfiguration(
   |                |- warning: static property 'configuration' is not concurrency-safe because it is non-isolated global shared mutable state; this is an error in the Swift 6 language mode
   |                |- note: convert 'configuration' to a 'let' constant to make 'Sendable' shared state immutable
   |                |- note: annotate 'configuration' with '@MainActor' if property should only be accessed from the main actor
   |                `- note: disable concurrency-safety checks if accesses are protected by an external synchronization mechanism
32 |         abstract: "A utility for performing rlp encoding/decoding.",
33 |         subcommands: [Encode.self, Decode.self]
[58/61] Write Objects.LinkFileList
[59/61] Linking cli
[60/61] Applying cli
Build complete! (24.08s)
Fetching https://github.com/apple/swift-argument-parser.git
[1/11714] Fetching swift-argument-parser
Fetched https://github.com/apple/swift-argument-parser.git from cache (1.72s)
Computing version for https://github.com/apple/swift-argument-parser.git
Computed https://github.com/apple/swift-argument-parser.git at 1.3.0 (0.56s)
Creating working copy for https://github.com/apple/swift-argument-parser.git
Working copy of https://github.com/apple/swift-argument-parser.git resolved at 1.3.0
Build complete.
{
  "dependencies" : [
    {
      "identity" : "swift-argument-parser",
      "requirement" : {
        "range" : [
          {
            "lower_bound" : "1.2.0",
            "upper_bound" : "2.0.0"
          }
        ]
      },
      "type" : "sourceControl",
      "url" : "https://github.com/apple/swift-argument-parser.git"
    }
  ],
  "manifest_display_name" : "SwiftRLP",
  "name" : "SwiftRLP",
  "path" : "/Users/admin/builder/spi-builder-workspace",
  "platforms" : [
    {
      "name" : "ios",
      "version" : "12.0"
    },
    {
      "name" : "macos",
      "version" : "10.14"
    }
  ],
  "products" : [
    {
      "name" : "SwiftRLP",
      "targets" : [
        "SwiftRLP"
      ],
      "type" : {
        "library" : [
          "automatic"
        ]
      }
    },
    {
      "name" : "cli",
      "targets" : [
        "cli"
      ],
      "type" : {
        "executable" : null
      }
    }
  ],
  "targets" : [
    {
      "c99name" : "cli",
      "module_type" : "SwiftTarget",
      "name" : "cli",
      "path" : "Sources/cli",
      "product_dependencies" : [
        "ArgumentParser"
      ],
      "product_memberships" : [
        "cli"
      ],
      "sources" : [
        "RLPCli.swift"
      ],
      "target_dependencies" : [
        "SwiftRLP"
      ],
      "type" : "executable"
    },
    {
      "c99name" : "SwiftRLPTests",
      "module_type" : "SwiftTarget",
      "name" : "SwiftRLPTests",
      "path" : "Tests/SwiftRLPTests",
      "sources" : [
        "RLPDecoderTests.swift",
        "RLPEncoderTests.swift"
      ],
      "target_dependencies" : [
        "SwiftRLP"
      ],
      "type" : "test"
    },
    {
      "c99name" : "SwiftRLP",
      "module_type" : "SwiftTarget",
      "name" : "SwiftRLP",
      "path" : "Sources/SwiftRLP",
      "product_memberships" : [
        "SwiftRLP",
        "cli"
      ],
      "sources" : [
        "RLPDecoder.swift",
        "RLPEncoder.swift",
        "RLPError.swift",
        "RLPValue.swift"
      ],
      "type" : "library"
    }
  ],
  "tools_version" : "5.9"
}
Done.
This is a staging environment. For live and up-to-date package information, visit swiftpackageindex.com.