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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 Guaka with Swift 6.0 for macOS (SPM).

Swift 6 data race errors: 2

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/nsomar/Guaka.git
Reference: master
Initialized empty Git repository in /Users/admin/builder/spi-builder-workspace/.git/
From https://github.com/nsomar/Guaka
 * branch            master     -> FETCH_HEAD
 * [new branch]      master     -> origin/master
HEAD is now at e52eb52 Merge pull request #99 from trispo/master
Cloned https://github.com/nsomar/Guaka.git
Revision (git rev-parse @):
e52eb523b152e04fa5dff56bed01e805062ce0ff
SUCCESS checkout https://github.com/nsomar/Guaka.git at master
========================================
Build
========================================
Selected platform:         macosSpm
Swift version:             6.0
Building package at path:  $workDir
https://github.com/nsomar/Guaka.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
Building for debugging...
[0/3] Write sources
[2/3] Write swift-version-6F35C1178C84523A.txt
[4/9] Compiling StringScanner StringScanner.swift
[5/9] Compiling StringScanner StringExtension.swift
[6/9] Compiling StringScanner CharacterSet.swift
[7/9] Emitting module StringScanner
[8/9] Compiling StringScanner Regex.swift
[9/9] Compiling StringScanner ScannerResult.swift
[10/31] Emitting module Guaka
/Users/admin/builder/spi-builder-workspace/Sources/Guaka/Misc/GuakaConfig.swift:78:21: warning: static property 'helpGenerator' is not concurrency-safe because it is non-isolated global shared mutable state; this is an error in the Swift 6 language mode
76 |   /// ```
77 |   ///
78 |   public static var helpGenerator: HelpGenerator.Type = DefaultHelpGenerator.self
   |                     |- warning: static property 'helpGenerator' 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 'helpGenerator' to a 'let' constant to make 'Sendable' shared state immutable
   |                     |- note: annotate 'helpGenerator' 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
79 | }
80 |
/Users/admin/builder/spi-builder-workspace/Sources/Guaka/Types/Errors.swift:41:8: warning: associated value 'commandGeneralError' of 'Sendable'-conforming enum 'CommandError' has non-sendable type 'Command'; this is an error in the Swift 6 language mode
39 |
40 |   /// general command related error
41 |   case commandGeneralError(Command, Error)
   |        `- warning: associated value 'commandGeneralError' of 'Sendable'-conforming enum 'CommandError' has non-sendable type 'Command'; this is an error in the Swift 6 language mode
42 |
43 |   /// unknown error occured
/Users/admin/builder/spi-builder-workspace/Sources/Guaka/Command/Command.swift:71:14: note: class 'Command' does not conform to the 'Sendable' protocol
 69 | /// ```
 70 | ///
 71 | public class Command {
    |              `- note: class 'Command' does not conform to the 'Sendable' protocol
 72 |
 73 |
[11/33] Compiling Guaka CommandHelp.swift
[12/33] Compiling Guaka DefaultHelpGenerator.swift
[13/33] Compiling Guaka Levenshtein.swift
[14/33] Compiling Guaka ArgTokenType.swift
[15/33] Compiling Guaka Command+Parsing.swift
[16/33] Compiling Guaka FlagSet+Parsing.swift
[17/33] Compiling Guaka CommandTypes.swift
[18/33] Compiling Guaka CommandExecution.swift
[19/33] Compiling Guaka Flag+Utilities.swift
[20/33] Compiling Guaka Flag.swift
[21/33] Compiling Guaka FlagSet.swift
[22/33] Compiling Guaka Flags.swift
[23/33] Compiling Guaka FlagHelp.swift
[24/33] Compiling Guaka FlagHelpGeneratorUtils.swift
[25/33] Compiling Guaka HelpGenerator.swift
[26/33] Compiling Guaka HelpGeneratorDefaults.swift
[27/33] Compiling Guaka Errors.swift
/Users/admin/builder/spi-builder-workspace/Sources/Guaka/Types/Errors.swift:41:8: warning: associated value 'commandGeneralError' of 'Sendable'-conforming enum 'CommandError' has non-sendable type 'Command'; this is an error in the Swift 6 language mode
39 |
40 |   /// general command related error
41 |   case commandGeneralError(Command, Error)
   |        `- warning: associated value 'commandGeneralError' of 'Sendable'-conforming enum 'CommandError' has non-sendable type 'Command'; this is an error in the Swift 6 language mode
42 |
43 |   /// unknown error occured
/Users/admin/builder/spi-builder-workspace/Sources/Guaka/Command/Command.swift:71:14: note: class 'Command' does not conform to the 'Sendable' protocol
 69 | /// ```
 70 | ///
 71 | public class Command {
    |              `- note: class 'Command' does not conform to the 'Sendable' protocol
 72 |
 73 |
[28/33] Compiling Guaka FlagValue.swift
/Users/admin/builder/spi-builder-workspace/Sources/Guaka/Types/Errors.swift:41:8: warning: associated value 'commandGeneralError' of 'Sendable'-conforming enum 'CommandError' has non-sendable type 'Command'; this is an error in the Swift 6 language mode
39 |
40 |   /// general command related error
41 |   case commandGeneralError(Command, Error)
   |        `- warning: associated value 'commandGeneralError' of 'Sendable'-conforming enum 'CommandError' has non-sendable type 'Command'; this is an error in the Swift 6 language mode
42 |
43 |   /// unknown error occured
/Users/admin/builder/spi-builder-workspace/Sources/Guaka/Command/Command.swift:71:14: note: class 'Command' does not conform to the 'Sendable' protocol
 69 | /// ```
 70 | ///
 71 | public class Command {
    |              `- note: class 'Command' does not conform to the 'Sendable' protocol
 72 |
 73 |
[29/33] Compiling Guaka Command+Execution.swift
/Users/admin/builder/spi-builder-workspace/Sources/Guaka/Misc/GuakaConfig.swift:78:21: warning: static property 'helpGenerator' is not concurrency-safe because it is non-isolated global shared mutable state; this is an error in the Swift 6 language mode
76 |   /// ```
77 |   ///
78 |   public static var helpGenerator: HelpGenerator.Type = DefaultHelpGenerator.self
   |                     |- warning: static property 'helpGenerator' 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 'helpGenerator' to a 'let' constant to make 'Sendable' shared state immutable
   |                     |- note: annotate 'helpGenerator' 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
79 | }
80 |
[30/33] Compiling Guaka Command+Utilities.swift
/Users/admin/builder/spi-builder-workspace/Sources/Guaka/Misc/GuakaConfig.swift:78:21: warning: static property 'helpGenerator' is not concurrency-safe because it is non-isolated global shared mutable state; this is an error in the Swift 6 language mode
76 |   /// ```
77 |   ///
78 |   public static var helpGenerator: HelpGenerator.Type = DefaultHelpGenerator.self
   |                     |- warning: static property 'helpGenerator' 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 'helpGenerator' to a 'let' constant to make 'Sendable' shared state immutable
   |                     |- note: annotate 'helpGenerator' 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
79 | }
80 |
[31/33] Compiling Guaka Command.swift
/Users/admin/builder/spi-builder-workspace/Sources/Guaka/Misc/GuakaConfig.swift:78:21: warning: static property 'helpGenerator' is not concurrency-safe because it is non-isolated global shared mutable state; this is an error in the Swift 6 language mode
76 |   /// ```
77 |   ///
78 |   public static var helpGenerator: HelpGenerator.Type = DefaultHelpGenerator.self
   |                     |- warning: static property 'helpGenerator' 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 'helpGenerator' to a 'let' constant to make 'Sendable' shared state immutable
   |                     |- note: annotate 'helpGenerator' 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
79 | }
80 |
[32/33] Compiling Guaka HelpGeneratorErrors.swift
/Users/admin/builder/spi-builder-workspace/Sources/Guaka/Misc/GuakaConfig.swift:78:21: warning: static property 'helpGenerator' is not concurrency-safe because it is non-isolated global shared mutable state; this is an error in the Swift 6 language mode
76 |   /// ```
77 |   ///
78 |   public static var helpGenerator: HelpGenerator.Type = DefaultHelpGenerator.self
   |                     |- warning: static property 'helpGenerator' 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 'helpGenerator' to a 'let' constant to make 'Sendable' shared state immutable
   |                     |- note: annotate 'helpGenerator' 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
79 | }
80 |
[33/33] Compiling Guaka GuakaConfig.swift
/Users/admin/builder/spi-builder-workspace/Sources/Guaka/Misc/GuakaConfig.swift:78:21: warning: static property 'helpGenerator' is not concurrency-safe because it is non-isolated global shared mutable state; this is an error in the Swift 6 language mode
76 |   /// ```
77 |   ///
78 |   public static var helpGenerator: HelpGenerator.Type = DefaultHelpGenerator.self
   |                     |- warning: static property 'helpGenerator' 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 'helpGenerator' to a 'let' constant to make 'Sendable' shared state immutable
   |                     |- note: annotate 'helpGenerator' 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
79 | }
80 |
Build complete! (9.09s)
Fetching https://github.com/getGuaka/StringScanner.git
[1/188] Fetching stringscanner
Fetched https://github.com/getGuaka/StringScanner.git from cache (0.73s)
Computing version for https://github.com/getGuaka/StringScanner.git
Computed https://github.com/getGuaka/StringScanner.git at 0.4.1 (0.86s)
Creating working copy for https://github.com/getGuaka/StringScanner.git
Working copy of https://github.com/getGuaka/StringScanner.git resolved at 0.4.1
Build complete.
{
  "dependencies" : [
    {
      "identity" : "stringscanner",
      "requirement" : {
        "range" : [
          {
            "lower_bound" : "0.0.0",
            "upper_bound" : "1.0.0"
          }
        ]
      },
      "type" : "sourceControl",
      "url" : "https://github.com/getGuaka/StringScanner.git"
    }
  ],
  "manifest_display_name" : "Guaka",
  "name" : "Guaka",
  "path" : "/Users/admin/builder/spi-builder-workspace",
  "platforms" : [
  ],
  "products" : [
    {
      "name" : "Guaka",
      "targets" : [
        "Guaka"
      ],
      "type" : {
        "library" : [
          "automatic"
        ]
      }
    }
  ],
  "swift_languages_versions" : [
    "4",
    "4.2",
    "5"
  ],
  "targets" : [
    {
      "c99name" : "GuakaTests",
      "module_type" : "SwiftTarget",
      "name" : "GuakaTests",
      "path" : "Tests/GuakaTests",
      "sources" : [
        "ArgTokenTypeTests.swift",
        "CommandExecutionTests.swift",
        "CommandHelpTests.swift",
        "CommandParsingTests.swift",
        "CommandTests.swift",
        "CommandType+Run.swift",
        "CommandTypeTest.swift",
        "CustomFlagTypesTests.swift",
        "ErrorsTests.swift",
        "FlagHelpTests.swift",
        "FlagSetTests.swift",
        "FlagTests.swift",
        "FlagsTests.swift",
        "HelpGeneratorSubclassingTests.swift",
        "HelpGeneratorTests.swift",
        "HelpTests.swift",
        "LevenshteinTests.swift",
        "ParsingTests.swift",
        "TestHelpers.swift",
        "ValidationTests.swift",
        "XCTestManifests.swift"
      ],
      "target_dependencies" : [
        "Guaka"
      ],
      "type" : "test"
    },
    {
      "c99name" : "Guaka",
      "module_type" : "SwiftTarget",
      "name" : "Guaka",
      "path" : "Sources/Guaka",
      "product_dependencies" : [
        "StringScanner"
      ],
      "product_memberships" : [
        "Guaka"
      ],
      "sources" : [
        "Command/Command+Execution.swift",
        "Command/Command+Utilities.swift",
        "Command/Command.swift",
        "Command/CommandTypes.swift",
        "Execution/CommandExecution.swift",
        "Flag/Flag+Utilities.swift",
        "Flag/Flag.swift",
        "Flag/FlagSet.swift",
        "Flag/Flags.swift",
        "Help/CommandHelp.swift",
        "Help/DefaultHelpGenerator.swift",
        "Help/FlagHelp.swift",
        "Help/FlagHelpGeneratorUtils.swift",
        "Help/HelpGenerator.swift",
        "Help/HelpGeneratorDefaults.swift",
        "Help/HelpGeneratorErrors.swift",
        "Misc/GuakaConfig.swift",
        "Misc/Levenshtein.swift",
        "Parsing/ArgTokenType.swift",
        "Parsing/Command+Parsing.swift",
        "Parsing/FlagSet+Parsing.swift",
        "Types/Errors.swift",
        "Types/FlagValue.swift"
      ],
      "type" : "library"
    }
  ],
  "tools_version" : "4.2"
}
Done.
This is a staging environment. For live and up-to-date package information, visit swiftpackageindex.com.