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Build Information

Successful build of CommandLineKit, reference master (58aa1a), with Swift 6.1 for macOS (SPM) on 26 Jun 2026 13:44:44 UTC.

Swift 6 data race errors: 2

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 -Xswiftc -strict-concurrency=complete -Xswiftc -enable-upcoming-feature -Xswiftc StrictConcurrency -Xswiftc -enable-upcoming-feature -Xswiftc DisableOutwardActorInference -Xswiftc -enable-upcoming-feature -Xswiftc GlobalActorIsolatedTypesUsability -Xswiftc -enable-upcoming-feature -Xswiftc InferSendableFromCaptures

Build Log

========================================
RunAll
========================================
Builder version: undefined version: run 'make version' to update
Interrupt handler set up.
========================================
Checkout
========================================
Clone URL: https://github.com/objecthub/swift-commandlinekit.git
Reference: master
Initialized empty Git repository in /Users/admin/builder/spi-builder-workspace/.git/
From https://github.com/objecthub/swift-commandlinekit
 * branch            master     -> FETCH_HEAD
 * [new branch]      master     -> origin/master
HEAD is now at 58aa1a2 Finalize 1.1.1 release.
Cloned https://github.com/objecthub/swift-commandlinekit.git
Revision (git rev-parse @):
58aa1a2285c5b8ad54e874a2bd66f790eb7e1766
SUCCESS checkout https://github.com/objecthub/swift-commandlinekit.git at master
========================================
Build
========================================
Selected platform:         macosSpm
Swift version:             6.1
Building package at path:  $PWD
https://github.com/objecthub/swift-commandlinekit.git
https://github.com/objecthub/swift-commandlinekit.git
{
  "dependencies" : [
  ],
  "manifest_display_name" : "CommandLineKit",
  "name" : "CommandLineKit",
  "path" : "/Users/admin/builder/spi-builder-workspace",
  "platforms" : [
    {
      "name" : "macos",
      "version" : "11.0"
    },
    {
      "name" : "ios",
      "version" : "15.0"
    },
    {
      "name" : "tvos",
      "version" : "15.0"
    },
    {
      "name" : "watchos",
      "version" : "8.0"
    }
  ],
  "products" : [
    {
      "name" : "CommandLineKit",
      "targets" : [
        "CommandLineKit"
      ],
      "type" : {
        "library" : [
          "automatic"
        ]
      }
    },
    {
      "name" : "CommandLineKitDemo",
      "targets" : [
        "CommandLineKitDemo"
      ],
      "type" : {
        "executable" : null
      }
    }
  ],
  "swift_languages_versions" : [
    "5"
  ],
  "targets" : [
    {
      "c99name" : "CommandLineKitTests",
      "module_type" : "SwiftTarget",
      "name" : "CommandLineKitTests",
      "path" : "Tests/CommandLineKitTests",
      "sources" : [
        "AnsiCodesTests.swift",
        "AnsiTextTests.swift",
        "ColorRGBTests.swift",
        "EditStateTests.swift",
        "FlagTests.swift",
        "LineReaderHistoryTests.swift"
      ],
      "target_dependencies" : [
        "CommandLineKit"
      ],
      "type" : "test"
    },
    {
      "c99name" : "CommandLineKitDemo",
      "module_type" : "SwiftTarget",
      "name" : "CommandLineKitDemo",
      "path" : "Sources/CommandLineKitDemo",
      "product_memberships" : [
        "CommandLineKitDemo"
      ],
      "sources" : [
        "CommandLineKitDemo.swift"
      ],
      "target_dependencies" : [
        "CommandLineKit"
      ],
      "type" : "executable"
    },
    {
      "c99name" : "CommandLineKit",
      "module_type" : "SwiftTarget",
      "name" : "CommandLineKit",
      "path" : "Sources/CommandLineKit",
      "product_memberships" : [
        "CommandLineKit",
        "CommandLineKitDemo"
      ],
      "sources" : [
        "AnsiCodes.swift",
        "AnsiText.swift",
        "BackgroundColor.swift",
        "Command.swift",
        "ControlCharacters.swift",
        "ConvertibleFromString.swift",
        "EditState.swift",
        "Flag.swift",
        "FlagError.swift",
        "FlagWrapper.swift",
        "Flags.swift",
        "LineReader.swift",
        "LineReaderError.swift",
        "LineReaderHistory.swift",
        "String.swift",
        "Terminal.swift",
        "TextColor.swift",
        "TextProperties.swift",
        "TextStyle.swift"
      ],
      "type" : "library"
    }
  ],
  "tools_version" : "5.5"
}
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 -Xswiftc -strict-concurrency=complete -Xswiftc -enable-upcoming-feature -Xswiftc StrictConcurrency -Xswiftc -enable-upcoming-feature -Xswiftc DisableOutwardActorInference -Xswiftc -enable-upcoming-feature -Xswiftc GlobalActorIsolatedTypesUsability -Xswiftc -enable-upcoming-feature -Xswiftc InferSendableFromCaptures
Building for debugging...
[0/7] Write sources
[0/7] Write CommandLineKitDemo-entitlement.plist
[0/7] Write sources
[3/7] Write swift-version-2F0A5646E1D333AE.txt
[5/26] Compiling CommandLineKit Flags.swift
[6/26] Compiling CommandLineKit LineReader.swift
[7/27] Compiling CommandLineKit EditState.swift
[8/27] Compiling CommandLineKit Flag.swift
[9/27] Compiling CommandLineKit AnsiCodes.swift
[10/27] Compiling CommandLineKit AnsiText.swift
[11/27] Emitting module CommandLineKit
/Users/admin/builder/spi-builder-workspace/Sources/CommandLineKit/FlagError.swift:53:14: warning: stored property 'kind' of 'Sendable'-conforming struct 'FlagError' has non-sendable type 'FlagError.Kind'; this is an error in the Swift 6 language mode
42 |
43 |   /// The description of the error.
44 |   public enum Kind {
   |               `- note: consider making enum 'Kind' conform to the 'Sendable' protocol
45 |     case unknownFlag(String)
46 |     case missingValue
   :
51 |
52 |   /// The error kind.
53 |   public let kind: Kind
   |              `- warning: stored property 'kind' of 'Sendable'-conforming struct 'FlagError' has non-sendable type 'FlagError.Kind'; this is an error in the Swift 6 language mode
54 |
55 |   /// The flag to which the error belongs. If `flag` is set to nil, the error is related to
/Users/admin/builder/spi-builder-workspace/Sources/CommandLineKit/FlagError.swift:57:14: warning: stored property 'flag' of 'Sendable'-conforming struct 'FlagError' has non-sendable type 'Flag?'; this is an error in the Swift 6 language mode
55 |   /// The flag to which the error belongs. If `flag` is set to nil, the error is related to
56 |   /// parsing the command-line as a whole.
57 |   public let flag: Flag?
   |              `- warning: stored property 'flag' of 'Sendable'-conforming struct 'FlagError' has non-sendable type 'Flag?'; this is an error in the Swift 6 language mode
58 |
59 |   /// Initializes a new flag error from an error kind and a corresponding flag.
/Users/admin/builder/spi-builder-workspace/Sources/CommandLineKit/Flag.swift:46:14: note: class 'Flag' does not conform to the 'Sendable' protocol
 44 | /// Method `isOption` can be used to distinguish between options and arguments.
 45 | ///
 46 | public class Flag {
    |              `- note: class 'Flag' does not conform to the 'Sendable' protocol
 47 |
 48 |   /// The short name of the flag.
[12/27] Compiling CommandLineKit FlagError.swift
/Users/admin/builder/spi-builder-workspace/Sources/CommandLineKit/FlagError.swift:53:14: warning: stored property 'kind' of 'Sendable'-conforming struct 'FlagError' has non-sendable type 'FlagError.Kind'; this is an error in the Swift 6 language mode
42 |
43 |   /// The description of the error.
44 |   public enum Kind {
   |               `- note: consider making enum 'Kind' conform to the 'Sendable' protocol
45 |     case unknownFlag(String)
46 |     case missingValue
   :
51 |
52 |   /// The error kind.
53 |   public let kind: Kind
   |              `- warning: stored property 'kind' of 'Sendable'-conforming struct 'FlagError' has non-sendable type 'FlagError.Kind'; this is an error in the Swift 6 language mode
54 |
55 |   /// The flag to which the error belongs. If `flag` is set to nil, the error is related to
/Users/admin/builder/spi-builder-workspace/Sources/CommandLineKit/FlagError.swift:57:14: warning: stored property 'flag' of 'Sendable'-conforming struct 'FlagError' has non-sendable type 'Flag?'; this is an error in the Swift 6 language mode
55 |   /// The flag to which the error belongs. If `flag` is set to nil, the error is related to
56 |   /// parsing the command-line as a whole.
57 |   public let flag: Flag?
   |              `- warning: stored property 'flag' of 'Sendable'-conforming struct 'FlagError' has non-sendable type 'Flag?'; this is an error in the Swift 6 language mode
58 |
59 |   /// Initializes a new flag error from an error kind and a corresponding flag.
/Users/admin/builder/spi-builder-workspace/Sources/CommandLineKit/Flag.swift:46:14: note: class 'Flag' does not conform to the 'Sendable' protocol
 44 | /// Method `isOption` can be used to distinguish between options and arguments.
 45 | ///
 46 | public class Flag {
    |              `- note: class 'Flag' does not conform to the 'Sendable' protocol
 47 |
 48 |   /// The short name of the flag.
[13/27] Compiling CommandLineKit FlagWrapper.swift
/Users/admin/builder/spi-builder-workspace/Sources/CommandLineKit/FlagError.swift:53:14: warning: stored property 'kind' of 'Sendable'-conforming struct 'FlagError' has non-sendable type 'FlagError.Kind'; this is an error in the Swift 6 language mode
42 |
43 |   /// The description of the error.
44 |   public enum Kind {
   |               `- note: consider making enum 'Kind' conform to the 'Sendable' protocol
45 |     case unknownFlag(String)
46 |     case missingValue
   :
51 |
52 |   /// The error kind.
53 |   public let kind: Kind
   |              `- warning: stored property 'kind' of 'Sendable'-conforming struct 'FlagError' has non-sendable type 'FlagError.Kind'; this is an error in the Swift 6 language mode
54 |
55 |   /// The flag to which the error belongs. If `flag` is set to nil, the error is related to
/Users/admin/builder/spi-builder-workspace/Sources/CommandLineKit/FlagError.swift:57:14: warning: stored property 'flag' of 'Sendable'-conforming struct 'FlagError' has non-sendable type 'Flag?'; this is an error in the Swift 6 language mode
55 |   /// The flag to which the error belongs. If `flag` is set to nil, the error is related to
56 |   /// parsing the command-line as a whole.
57 |   public let flag: Flag?
   |              `- warning: stored property 'flag' of 'Sendable'-conforming struct 'FlagError' has non-sendable type 'Flag?'; this is an error in the Swift 6 language mode
58 |
59 |   /// Initializes a new flag error from an error kind and a corresponding flag.
/Users/admin/builder/spi-builder-workspace/Sources/CommandLineKit/Flag.swift:46:14: note: class 'Flag' does not conform to the 'Sendable' protocol
 44 | /// Method `isOption` can be used to distinguish between options and arguments.
 45 | ///
 46 | public class Flag {
    |              `- note: class 'Flag' does not conform to the 'Sendable' protocol
 47 |
 48 |   /// The short name of the flag.
[14/27] Compiling CommandLineKit TextColor.swift
[15/27] Compiling CommandLineKit TextProperties.swift
[16/27] Compiling CommandLineKit String.swift
[17/27] Compiling CommandLineKit Terminal.swift
[18/27] Compiling CommandLineKit ControlCharacters.swift
[19/27] Compiling CommandLineKit ConvertibleFromString.swift
[20/27] Compiling CommandLineKit LineReaderError.swift
[21/27] Compiling CommandLineKit LineReaderHistory.swift
[22/27] Compiling CommandLineKit BackgroundColor.swift
[23/27] Compiling CommandLineKit Command.swift
[24/27] Compiling CommandLineKit TextStyle.swift
[25/29] Emitting module CommandLineKitDemo
[26/29] Compiling CommandLineKitDemo CommandLineKitDemo.swift
[26/29] Write Objects.LinkFileList
[27/29] Linking CommandLineKitDemo
[28/29] Applying CommandLineKitDemo
Build complete! (6.21s)
Build complete.
{
  "dependencies" : [
  ],
  "manifest_display_name" : "CommandLineKit",
  "name" : "CommandLineKit",
  "path" : "/Users/admin/builder/spi-builder-workspace",
  "platforms" : [
    {
      "name" : "macos",
      "version" : "11.0"
    },
    {
      "name" : "ios",
      "version" : "15.0"
    },
    {
      "name" : "tvos",
      "version" : "15.0"
    },
    {
      "name" : "watchos",
      "version" : "8.0"
    }
  ],
  "products" : [
    {
      "name" : "CommandLineKit",
      "targets" : [
        "CommandLineKit"
      ],
      "type" : {
        "library" : [
          "automatic"
        ]
      }
    },
    {
      "name" : "CommandLineKitDemo",
      "targets" : [
        "CommandLineKitDemo"
      ],
      "type" : {
        "executable" : null
      }
    }
  ],
  "swift_languages_versions" : [
    "5"
  ],
  "targets" : [
    {
      "c99name" : "CommandLineKitTests",
      "module_type" : "SwiftTarget",
      "name" : "CommandLineKitTests",
      "path" : "Tests/CommandLineKitTests",
      "sources" : [
        "AnsiCodesTests.swift",
        "AnsiTextTests.swift",
        "ColorRGBTests.swift",
        "EditStateTests.swift",
        "FlagTests.swift",
        "LineReaderHistoryTests.swift"
      ],
      "target_dependencies" : [
        "CommandLineKit"
      ],
      "type" : "test"
    },
    {
      "c99name" : "CommandLineKitDemo",
      "module_type" : "SwiftTarget",
      "name" : "CommandLineKitDemo",
      "path" : "Sources/CommandLineKitDemo",
      "product_memberships" : [
        "CommandLineKitDemo"
      ],
      "sources" : [
        "CommandLineKitDemo.swift"
      ],
      "target_dependencies" : [
        "CommandLineKit"
      ],
      "type" : "executable"
    },
    {
      "c99name" : "CommandLineKit",
      "module_type" : "SwiftTarget",
      "name" : "CommandLineKit",
      "path" : "Sources/CommandLineKit",
      "product_memberships" : [
        "CommandLineKit",
        "CommandLineKitDemo"
      ],
      "sources" : [
        "AnsiCodes.swift",
        "AnsiText.swift",
        "BackgroundColor.swift",
        "Command.swift",
        "ControlCharacters.swift",
        "ConvertibleFromString.swift",
        "EditState.swift",
        "Flag.swift",
        "FlagError.swift",
        "FlagWrapper.swift",
        "Flags.swift",
        "LineReader.swift",
        "LineReaderError.swift",
        "LineReaderHistory.swift",
        "String.swift",
        "Terminal.swift",
        "TextColor.swift",
        "TextProperties.swift",
        "TextStyle.swift"
      ],
      "type" : "library"
    }
  ],
  "tools_version" : "5.5"
}
Done.