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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 FileCheck, reference 0.2.6 (f7c5f1), with Swift 6.0 for macOS (SPM) on 2 Nov 2024 07:12:48 UTC.

Swift 6 data race errors: 5

Build Command

env DEVELOPER_DIR=/Applications/Xcode-16.1.0.app xcrun swift build --arch arm64 -Xswiftc -Xfrontend -Xswiftc -stats-output-dir -Xswiftc -Xfrontend -Xswiftc .stats -Xswiftc -strict-concurrency=complete

Build Log

========================================
RunAll
========================================
Builder version: 4.56.0
Interrupt handler set up.
========================================
Checkout
========================================
Clone URL: https://github.com/llvm-swift/filecheck.git
Reference: 0.2.6
Initialized empty Git repository in /Users/admin/builder/spi-builder-workspace/.git/
From https://github.com/llvm-swift/filecheck
 * tag               0.2.6      -> FETCH_HEAD
HEAD is now at f7c5f1a fixup! Upgrade Argument Parser to 1.1.0
Cloned https://github.com/llvm-swift/filecheck.git
Revision (git rev-parse @):
f7c5f1a9479b33a876a6f5632ca2b92a7ce4b667
SUCCESS checkout https://github.com/llvm-swift/filecheck.git at 0.2.6
Fetching https://github.com/apple/swift-argument-parser
Fetching https://github.com/mxcl/Chalk.git
[1/81] Fetching chalk
[60/12434] Fetching chalk, swift-argument-parser
Fetched https://github.com/mxcl/Chalk.git from cache (0.99s)
[248/12353] Fetching swift-argument-parser
Fetched https://github.com/apple/swift-argument-parser from cache (1.52s)
Computing version for https://github.com/mxcl/Chalk.git
Computed https://github.com/mxcl/Chalk.git at 0.5.0 (0.65s)
Computing version for https://github.com/apple/swift-argument-parser
Computed https://github.com/apple/swift-argument-parser at 1.5.0 (0.50s)
Creating working copy for https://github.com/mxcl/Chalk.git
Working copy of https://github.com/mxcl/Chalk.git resolved at 0.5.0
Creating working copy for https://github.com/apple/swift-argument-parser
Working copy of https://github.com/apple/swift-argument-parser resolved at 1.5.0
========================================
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": "filecheck",
      "name": "FileCheck",
      "url": "https://github.com/llvm-swift/filecheck.git",
      "version": "unspecified",
      "path": "/Users/admin/builder/spi-builder-workspace/.resolve-product-dependencies/.build/checkouts/filecheck",
      "dependencies": [
        {
          "identity": "swift-argument-parser",
          "name": "swift-argument-parser",
          "url": "https://github.com/apple/swift-argument-parser",
          "version": "1.5.0",
          "path": "/Users/admin/builder/spi-builder-workspace/.resolve-product-dependencies/.build/checkouts/swift-argument-parser",
          "dependencies": [
          ]
        },
        {
          "identity": "chalk",
          "name": "Chalk",
          "url": "https://github.com/mxcl/Chalk.git",
          "version": "0.5.0",
          "path": "/Users/admin/builder/spi-builder-workspace/.resolve-product-dependencies/.build/checkouts/Chalk",
          "dependencies": [
          ]
        }
      ]
    }
  ]
}
Fetching https://github.com/llvm-swift/filecheck.git
[10/479] Fetching filecheck
Fetched https://github.com/llvm-swift/filecheck.git from cache (0.76s)
Fetching https://github.com/mxcl/Chalk.git from cache
Fetching https://github.com/apple/swift-argument-parser from cache
Fetched https://github.com/mxcl/Chalk.git from cache (0.57s)
Fetched https://github.com/apple/swift-argument-parser from cache (0.57s)
Computing version for https://github.com/mxcl/Chalk.git
Computed https://github.com/mxcl/Chalk.git at 0.5.0 (0.02s)
Computing version for https://github.com/apple/swift-argument-parser
Computed https://github.com/apple/swift-argument-parser at 1.5.0 (0.04s)
Creating working copy for https://github.com/mxcl/Chalk.git
Working copy of https://github.com/mxcl/Chalk.git resolved at 0.5.0
Creating working copy for https://github.com/apple/swift-argument-parser
Working copy of https://github.com/apple/swift-argument-parser resolved at 1.5.0
Creating working copy for https://github.com/llvm-swift/filecheck.git
Working copy of https://github.com/llvm-swift/filecheck.git resolved at 0.2.6 (f7c5f1a)
Found 2 product dependencies
  - swift-argument-parser
  - Chalk
========================================
Build
========================================
Selected platform:         macosSpm
Swift version:             6.0
Building package at path:  $PWD
https://github.com/llvm-swift/filecheck.git
Running build ...
env DEVELOPER_DIR=/Applications/Xcode-16.1.0.app xcrun 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...
[1/11] Write sources
[2/11] Write filecheck-entitlement.plist
[3/11] Write sources
[7/11] Write swift-version--7754E27361AE5C74.txt
[9/15] Emitting module ArgumentParserToolInfo
[10/15] Compiling ArgumentParserToolInfo ToolInfo.swift
[11/54] Compiling ArgumentParser CommandConfiguration.swift
[12/54] Compiling ArgumentParser CommandGroup.swift
[13/54] Compiling ArgumentParser EnumerableFlag.swift
[14/54] Compiling ArgumentParser ExpressibleByArgument.swift
[15/58] Compiling ArgumentParser ArgumentHelp.swift
[16/58] Compiling ArgumentParser ArgumentVisibility.swift
[17/58] Compiling ArgumentParser CompletionKind.swift
[18/58] Compiling ArgumentParser Errors.swift
[19/58] Compiling ArgumentParser Flag.swift
[20/58] Emitting module ArgumentParser
[21/58] Compiling ArgumentParser InputOrigin.swift
[22/58] Compiling ArgumentParser Name.swift
[23/58] Compiling ArgumentParser Parsed.swift
[24/58] Compiling ArgumentParser ParsedValues.swift
[25/58] Compiling ArgumentParser NameSpecification.swift
[26/58] Compiling ArgumentParser Option.swift
[27/58] Compiling ArgumentParser OptionGroup.swift
[28/58] Compiling ArgumentParser AsyncParsableCommand.swift
[29/58] Compiling ArgumentParser ParsableArguments.swift
[30/58] Compiling ArgumentParser ParsableArgumentsValidation.swift
[31/58] Compiling ArgumentParser ParsableCommand.swift
[32/58] Compiling ArgumentParser ArgumentDecoder.swift
[33/58] Compiling ArgumentParser Platform.swift
[34/58] Compiling ArgumentParser SequenceExtensions.swift
[35/58] Compiling ArgumentParser StringExtensions.swift
[36/58] Compiling ArgumentParser Tree.swift
[37/58] Compiling ArgumentParser ArgumentDefinition.swift
[38/58] Compiling ArgumentParser ArgumentSet.swift
[39/58] Compiling ArgumentParser CommandParser.swift
[40/58] Compiling ArgumentParser InputKey.swift
[41/58] Emitting module Chalk
[42/58] Compiling Chalk Chalk.swift
[43/58] Compiling ArgumentParser ParserError.swift
[44/58] Compiling ArgumentParser SplitArguments.swift
[45/58] Compiling ArgumentParser DumpHelpGenerator.swift
[46/58] Compiling ArgumentParser HelpCommand.swift
[47/58] Compiling ArgumentParser BashCompletionsGenerator.swift
[48/58] Compiling ArgumentParser CompletionsGenerator.swift
[49/58] Compiling ArgumentParser FishCompletionsGenerator.swift
[50/58] Compiling ArgumentParser ZshCompletionsGenerator.swift
[51/58] Compiling ArgumentParser Argument.swift
[52/58] Compiling ArgumentParser HelpGenerator.swift
[53/58] Compiling ArgumentParser MessageInfo.swift
[54/58] Compiling ArgumentParser UsageGenerator.swift
[55/58] Compiling ArgumentParser CollectionExtensions.swift
[56/64] Compiling FileCheck EditDistance.swift
[57/64] Compiling FileCheck FileCheck.swift
/Users/admin/builder/spi-builder-workspace/Sources/FileCheck/FileCheck.swift:20:21: warning: static property 'strictWhitespace' is not concurrency-safe because non-'Sendable' type 'FileCheckOptions' may have shared mutable state; this is an error in the Swift 6 language mode
  9 | /// `FileCheckOptions` enumerates supported FileCheck options that can be used
 10 | /// to modify the behavior of the checking routine.
 11 | public struct FileCheckOptions: OptionSet {
    |               `- note: consider making struct 'FileCheckOptions' conform to the 'Sendable' protocol
 12 |   public let rawValue: UInt64
 13 |
    :
 18 |
 19 |   /// Do not treat all horizontal whitespace as equivalent.
 20 |   public static let strictWhitespace = FileCheckOptions(rawValue: 1 << 0)
    |                     |- warning: static property 'strictWhitespace' is not concurrency-safe because non-'Sendable' type 'FileCheckOptions' may have shared mutable state; this is an error in the Swift 6 language mode
    |                     |- note: annotate 'strictWhitespace' 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
 21 |   /// Allow the input file to be empty. This is useful when making checks that
 22 |   /// some error message does not occur, for example.
/Users/admin/builder/spi-builder-workspace/Sources/FileCheck/FileCheck.swift:23:21: warning: static property 'allowEmptyInput' is not concurrency-safe because non-'Sendable' type 'FileCheckOptions' may have shared mutable state; this is an error in the Swift 6 language mode
  9 | /// `FileCheckOptions` enumerates supported FileCheck options that can be used
 10 | /// to modify the behavior of the checking routine.
 11 | public struct FileCheckOptions: OptionSet {
    |               `- note: consider making struct 'FileCheckOptions' conform to the 'Sendable' protocol
 12 |   public let rawValue: UInt64
 13 |
    :
 21 |   /// Allow the input file to be empty. This is useful when making checks that
 22 |   /// some error message does not occur, for example.
 23 |   public static let allowEmptyInput = FileCheckOptions(rawValue: 1 << 1)
    |                     |- warning: static property 'allowEmptyInput' is not concurrency-safe because non-'Sendable' type 'FileCheckOptions' may have shared mutable state; this is an error in the Swift 6 language mode
    |                     |- note: annotate 'allowEmptyInput' 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
 24 |   /// Require all positive matches to cover an entire input line.  Allows
 25 |   /// leading and trailing whitespace if `.strictWhitespace` is not also
/Users/admin/builder/spi-builder-workspace/Sources/FileCheck/FileCheck.swift:27:21: warning: static property 'matchFullLines' is not concurrency-safe because non-'Sendable' type 'FileCheckOptions' may have shared mutable state; this is an error in the Swift 6 language mode
  9 | /// `FileCheckOptions` enumerates supported FileCheck options that can be used
 10 | /// to modify the behavior of the checking routine.
 11 | public struct FileCheckOptions: OptionSet {
    |               `- note: consider making struct 'FileCheckOptions' conform to the 'Sendable' protocol
 12 |   public let rawValue: UInt64
 13 |
    :
 25 |   /// leading and trailing whitespace if `.strictWhitespace` is not also
 26 |   /// passed.
 27 |   public static let matchFullLines = FileCheckOptions(rawValue: 1 << 2)
    |                     |- warning: static property 'matchFullLines' is not concurrency-safe because non-'Sendable' type 'FileCheckOptions' may have shared mutable state; this is an error in the Swift 6 language mode
    |                     |- note: annotate 'matchFullLines' 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
 28 |   /// Disable colored diagnostics.
 29 |   public static let disableColors = FileCheckOptions(rawValue: 1 << 3)
/Users/admin/builder/spi-builder-workspace/Sources/FileCheck/FileCheck.swift:29:21: warning: static property 'disableColors' is not concurrency-safe because non-'Sendable' type 'FileCheckOptions' may have shared mutable state; this is an error in the Swift 6 language mode
  9 | /// `FileCheckOptions` enumerates supported FileCheck options that can be used
 10 | /// to modify the behavior of the checking routine.
 11 | public struct FileCheckOptions: OptionSet {
    |               `- note: consider making struct 'FileCheckOptions' conform to the 'Sendable' protocol
 12 |   public let rawValue: UInt64
 13 |
    :
 27 |   public static let matchFullLines = FileCheckOptions(rawValue: 1 << 2)
 28 |   /// Disable colored diagnostics.
 29 |   public static let disableColors = FileCheckOptions(rawValue: 1 << 3)
    |                     |- warning: static property 'disableColors' is not concurrency-safe because non-'Sendable' type 'FileCheckOptions' may have shared mutable state; this is an error in the Swift 6 language mode
    |                     |- note: annotate 'disableColors' 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
 30 |   /// Enables scoping for variables defined in patterns.  Variables with names
 31 |   /// that do not start with `$` will be reset at the beginning of each
/Users/admin/builder/spi-builder-workspace/Sources/FileCheck/FileCheck.swift:33:21: warning: static property 'scopedVariables' is not concurrency-safe because non-'Sendable' type 'FileCheckOptions' may have shared mutable state; this is an error in the Swift 6 language mode
  9 | /// `FileCheckOptions` enumerates supported FileCheck options that can be used
 10 | /// to modify the behavior of the checking routine.
 11 | public struct FileCheckOptions: OptionSet {
    |               `- note: consider making struct 'FileCheckOptions' conform to the 'Sendable' protocol
 12 |   public let rawValue: UInt64
 13 |
    :
 31 |   /// that do not start with `$` will be reset at the beginning of each
 32 |   /// `CHECK-LABEL` block.
 33 |   public static let scopedVariables = FileCheckOptions(rawValue: 1 << 4)
    |                     |- warning: static property 'scopedVariables' is not concurrency-safe because non-'Sendable' type 'FileCheckOptions' may have shared mutable state; this is an error in the Swift 6 language mode
    |                     |- note: annotate 'scopedVariables' 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
 34 | }
 35 |
[58/64] Emitting module FileCheck
/Users/admin/builder/spi-builder-workspace/Sources/FileCheck/FileCheck.swift:20:21: warning: static property 'strictWhitespace' is not concurrency-safe because non-'Sendable' type 'FileCheckOptions' may have shared mutable state; this is an error in the Swift 6 language mode
  9 | /// `FileCheckOptions` enumerates supported FileCheck options that can be used
 10 | /// to modify the behavior of the checking routine.
 11 | public struct FileCheckOptions: OptionSet {
    |               `- note: consider making struct 'FileCheckOptions' conform to the 'Sendable' protocol
 12 |   public let rawValue: UInt64
 13 |
    :
 18 |
 19 |   /// Do not treat all horizontal whitespace as equivalent.
 20 |   public static let strictWhitespace = FileCheckOptions(rawValue: 1 << 0)
    |                     |- warning: static property 'strictWhitespace' is not concurrency-safe because non-'Sendable' type 'FileCheckOptions' may have shared mutable state; this is an error in the Swift 6 language mode
    |                     |- note: annotate 'strictWhitespace' 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
 21 |   /// Allow the input file to be empty. This is useful when making checks that
 22 |   /// some error message does not occur, for example.
/Users/admin/builder/spi-builder-workspace/Sources/FileCheck/FileCheck.swift:23:21: warning: static property 'allowEmptyInput' is not concurrency-safe because non-'Sendable' type 'FileCheckOptions' may have shared mutable state; this is an error in the Swift 6 language mode
  9 | /// `FileCheckOptions` enumerates supported FileCheck options that can be used
 10 | /// to modify the behavior of the checking routine.
 11 | public struct FileCheckOptions: OptionSet {
    |               `- note: consider making struct 'FileCheckOptions' conform to the 'Sendable' protocol
 12 |   public let rawValue: UInt64
 13 |
    :
 21 |   /// Allow the input file to be empty. This is useful when making checks that
 22 |   /// some error message does not occur, for example.
 23 |   public static let allowEmptyInput = FileCheckOptions(rawValue: 1 << 1)
    |                     |- warning: static property 'allowEmptyInput' is not concurrency-safe because non-'Sendable' type 'FileCheckOptions' may have shared mutable state; this is an error in the Swift 6 language mode
    |                     |- note: annotate 'allowEmptyInput' 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
 24 |   /// Require all positive matches to cover an entire input line.  Allows
 25 |   /// leading and trailing whitespace if `.strictWhitespace` is not also
/Users/admin/builder/spi-builder-workspace/Sources/FileCheck/FileCheck.swift:27:21: warning: static property 'matchFullLines' is not concurrency-safe because non-'Sendable' type 'FileCheckOptions' may have shared mutable state; this is an error in the Swift 6 language mode
  9 | /// `FileCheckOptions` enumerates supported FileCheck options that can be used
 10 | /// to modify the behavior of the checking routine.
 11 | public struct FileCheckOptions: OptionSet {
    |               `- note: consider making struct 'FileCheckOptions' conform to the 'Sendable' protocol
 12 |   public let rawValue: UInt64
 13 |
    :
 25 |   /// leading and trailing whitespace if `.strictWhitespace` is not also
 26 |   /// passed.
 27 |   public static let matchFullLines = FileCheckOptions(rawValue: 1 << 2)
    |                     |- warning: static property 'matchFullLines' is not concurrency-safe because non-'Sendable' type 'FileCheckOptions' may have shared mutable state; this is an error in the Swift 6 language mode
    |                     |- note: annotate 'matchFullLines' 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
 28 |   /// Disable colored diagnostics.
 29 |   public static let disableColors = FileCheckOptions(rawValue: 1 << 3)
/Users/admin/builder/spi-builder-workspace/Sources/FileCheck/FileCheck.swift:29:21: warning: static property 'disableColors' is not concurrency-safe because non-'Sendable' type 'FileCheckOptions' may have shared mutable state; this is an error in the Swift 6 language mode
  9 | /// `FileCheckOptions` enumerates supported FileCheck options that can be used
 10 | /// to modify the behavior of the checking routine.
 11 | public struct FileCheckOptions: OptionSet {
    |               `- note: consider making struct 'FileCheckOptions' conform to the 'Sendable' protocol
 12 |   public let rawValue: UInt64
 13 |
    :
 27 |   public static let matchFullLines = FileCheckOptions(rawValue: 1 << 2)
 28 |   /// Disable colored diagnostics.
 29 |   public static let disableColors = FileCheckOptions(rawValue: 1 << 3)
    |                     |- warning: static property 'disableColors' is not concurrency-safe because non-'Sendable' type 'FileCheckOptions' may have shared mutable state; this is an error in the Swift 6 language mode
    |                     |- note: annotate 'disableColors' 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
 30 |   /// Enables scoping for variables defined in patterns.  Variables with names
 31 |   /// that do not start with `$` will be reset at the beginning of each
/Users/admin/builder/spi-builder-workspace/Sources/FileCheck/FileCheck.swift:33:21: warning: static property 'scopedVariables' is not concurrency-safe because non-'Sendable' type 'FileCheckOptions' may have shared mutable state; this is an error in the Swift 6 language mode
  9 | /// `FileCheckOptions` enumerates supported FileCheck options that can be used
 10 | /// to modify the behavior of the checking routine.
 11 | public struct FileCheckOptions: OptionSet {
    |               `- note: consider making struct 'FileCheckOptions' conform to the 'Sendable' protocol
 12 |   public let rawValue: UInt64
 13 |
    :
 31 |   /// that do not start with `$` will be reset at the beginning of each
 32 |   /// `CHECK-LABEL` block.
 33 |   public static let scopedVariables = FileCheckOptions(rawValue: 1 << 4)
    |                     |- warning: static property 'scopedVariables' is not concurrency-safe because non-'Sendable' type 'FileCheckOptions' may have shared mutable state; this is an error in the Swift 6 language mode
    |                     |- note: annotate 'scopedVariables' 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
 34 | }
 35 |
[59/64] Compiling FileCheck Pattern.swift
/Users/admin/builder/spi-builder-workspace/Sources/FileCheck/FileCheck.swift:27:21: warning: static property 'matchFullLines' is not concurrency-safe because non-'Sendable' type 'FileCheckOptions' may have shared mutable state; this is an error in the Swift 6 language mode
  9 | /// `FileCheckOptions` enumerates supported FileCheck options that can be used
 10 | /// to modify the behavior of the checking routine.
 11 | public struct FileCheckOptions: OptionSet {
    |               `- note: consider making struct 'FileCheckOptions' conform to the 'Sendable' protocol
 12 |   public let rawValue: UInt64
 13 |
    :
 25 |   /// leading and trailing whitespace if `.strictWhitespace` is not also
 26 |   /// passed.
 27 |   public static let matchFullLines = FileCheckOptions(rawValue: 1 << 2)
    |                     |- warning: static property 'matchFullLines' is not concurrency-safe because non-'Sendable' type 'FileCheckOptions' may have shared mutable state; this is an error in the Swift 6 language mode
    |                     |- note: annotate 'matchFullLines' 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
 28 |   /// Disable colored diagnostics.
 29 |   public static let disableColors = FileCheckOptions(rawValue: 1 << 3)
/Users/admin/builder/spi-builder-workspace/Sources/FileCheck/FileCheck.swift:20:21: warning: static property 'strictWhitespace' is not concurrency-safe because non-'Sendable' type 'FileCheckOptions' may have shared mutable state; this is an error in the Swift 6 language mode
  9 | /// `FileCheckOptions` enumerates supported FileCheck options that can be used
 10 | /// to modify the behavior of the checking routine.
 11 | public struct FileCheckOptions: OptionSet {
    |               `- note: consider making struct 'FileCheckOptions' conform to the 'Sendable' protocol
 12 |   public let rawValue: UInt64
 13 |
    :
 18 |
 19 |   /// Do not treat all horizontal whitespace as equivalent.
 20 |   public static let strictWhitespace = FileCheckOptions(rawValue: 1 << 0)
    |                     |- warning: static property 'strictWhitespace' is not concurrency-safe because non-'Sendable' type 'FileCheckOptions' may have shared mutable state; this is an error in the Swift 6 language mode
    |                     |- note: annotate 'strictWhitespace' 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
 21 |   /// Allow the input file to be empty. This is useful when making checks that
 22 |   /// some error message does not occur, for example.
[60/64] Compiling FileCheck CheckString.swift
[61/64] Compiling FileCheck Diagnostics.swift
/Users/admin/builder/spi-builder-workspace/Sources/FileCheck/FileCheck.swift:29:21: warning: static property 'disableColors' is not concurrency-safe because non-'Sendable' type 'FileCheckOptions' may have shared mutable state; this is an error in the Swift 6 language mode
  9 | /// `FileCheckOptions` enumerates supported FileCheck options that can be used
 10 | /// to modify the behavior of the checking routine.
 11 | public struct FileCheckOptions: OptionSet {
    |               `- note: consider making struct 'FileCheckOptions' conform to the 'Sendable' protocol
 12 |   public let rawValue: UInt64
 13 |
    :
 27 |   public static let matchFullLines = FileCheckOptions(rawValue: 1 << 2)
 28 |   /// Disable colored diagnostics.
 29 |   public static let disableColors = FileCheckOptions(rawValue: 1 << 3)
    |                     |- warning: static property 'disableColors' is not concurrency-safe because non-'Sendable' type 'FileCheckOptions' may have shared mutable state; this is an error in the Swift 6 language mode
    |                     |- note: annotate 'disableColors' 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
 30 |   /// Enables scoping for variables defined in patterns.  Variables with names
 31 |   /// that do not start with `$` will be reset at the beginning of each
[62/66] Compiling filecheck_tool main.swift
/Users/admin/builder/spi-builder-workspace/Sources/filecheck-tool/main.swift:29:16: warning: static property 'configuration' is not concurrency-safe because it is nonisolated global shared mutable state; this is an error in the Swift 6 language mode
 27 |
 28 | struct FileCheckCommand: ParsableCommand {
 29 |     static var configuration = CommandConfiguration(commandName: "filecheck")
    |                |- warning: static property 'configuration' is not concurrency-safe because it is nonisolated 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
 30 |
 31 |     @Flag(help: "Disable colorized diagnostics.")
[63/66] Emitting module filecheck_tool
/Users/admin/builder/spi-builder-workspace/Sources/filecheck-tool/main.swift:29:16: warning: static property 'configuration' is not concurrency-safe because it is nonisolated global shared mutable state; this is an error in the Swift 6 language mode
 27 |
 28 | struct FileCheckCommand: ParsableCommand {
 29 |     static var configuration = CommandConfiguration(commandName: "filecheck")
    |                |- warning: static property 'configuration' is not concurrency-safe because it is nonisolated 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
 30 |
 31 |     @Flag(help: "Disable colorized diagnostics.")
[63/66] Write Objects.LinkFileList
[64/66] Linking filecheck
[65/66] Applying filecheck
Build complete! (15.09s)
Build complete.
{
  "dependencies" : [
    {
      "identity" : "swift-argument-parser",
      "requirement" : {
        "range" : [
          {
            "lower_bound" : "1.1.0",
            "upper_bound" : "2.0.0"
          }
        ]
      },
      "type" : "sourceControl",
      "url" : "https://github.com/apple/swift-argument-parser"
    },
    {
      "identity" : "chalk",
      "requirement" : {
        "range" : [
          {
            "lower_bound" : "0.1.0",
            "upper_bound" : "1.0.0"
          }
        ]
      },
      "type" : "sourceControl",
      "url" : "https://github.com/mxcl/Chalk.git"
    }
  ],
  "manifest_display_name" : "FileCheck",
  "name" : "FileCheck",
  "path" : "/Users/admin/builder/spi-builder-workspace",
  "platforms" : [
    {
      "name" : "macos",
      "version" : "10.15"
    }
  ],
  "products" : [
    {
      "name" : "filecheck",
      "targets" : [
        "filecheck-tool"
      ],
      "type" : {
        "executable" : null
      }
    },
    {
      "name" : "FileCheck",
      "targets" : [
        "FileCheck"
      ],
      "type" : {
        "library" : [
          "automatic"
        ]
      }
    }
  ],
  "targets" : [
    {
      "c99name" : "filecheck_tool",
      "module_type" : "SwiftTarget",
      "name" : "filecheck-tool",
      "path" : "Sources/filecheck-tool",
      "product_dependencies" : [
        "ArgumentParser"
      ],
      "product_memberships" : [
        "filecheck"
      ],
      "sources" : [
        "main.swift"
      ],
      "target_dependencies" : [
        "FileCheck"
      ],
      "type" : "executable"
    },
    {
      "c99name" : "FileCheckTests",
      "module_type" : "SwiftTarget",
      "name" : "FileCheckTests",
      "path" : "Tests/FileCheckTests",
      "sources" : [
        "DAGSpec.swift",
        "DefinesSpec.swift",
        "EmptySpec.swift",
        "FileCheckSpec.swift",
        "LabelSpec.swift",
        "LineCountSpec.swift",
        "MultiPrefixSpec.swift",
        "RegexScopeSpec.swift",
        "VariableRefSpec.swift"
      ],
      "target_dependencies" : [
        "FileCheck"
      ],
      "type" : "test"
    },
    {
      "c99name" : "FileCheck",
      "module_type" : "SwiftTarget",
      "name" : "FileCheck",
      "path" : "Sources/FileCheck",
      "product_dependencies" : [
        "Chalk"
      ],
      "product_memberships" : [
        "filecheck",
        "FileCheck"
      ],
      "sources" : [
        "CheckString.swift",
        "Diagnostics.swift",
        "EditDistance.swift",
        "FileCheck.swift",
        "Pattern.swift"
      ],
      "type" : "library"
    }
  ],
  "tools_version" : "5.1"
}
Done.