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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 with Swift 6.0 for macOS (SPM).

Swift 6 data race errors: 5

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/llvm-swift/filecheck.git
Reference: master
Initialized empty Git repository in /Users/admin/builder/spi-builder-workspace/.git/
From https://github.com/llvm-swift/filecheck
 * branch            master     -> FETCH_HEAD
 * [new branch]      master     -> origin/master
HEAD is now at fae7b88 fix documentation with argument name
Cloned https://github.com/llvm-swift/filecheck.git
Revision (git rev-parse @):
fae7b883f3fb3d79c10ec0a71992343b1c625b5c
SUCCESS checkout https://github.com/llvm-swift/filecheck.git at master
========================================
Build
========================================
Selected platform:         macosSpm
Swift version:             6.0
Building package at path:  $workDir
https://github.com/llvm-swift/filecheck.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...
[1/11] Write sources
[5/11] Write filecheck-entitlement.plist
[7/11] Write swift-version-6F35C1178C84523A.txt
[9/15] Emitting module ArgumentParserToolInfo
[10/15] Compiling ArgumentParserToolInfo ToolInfo.swift
[11/53] Compiling ArgumentParser BashCompletionsGenerator.swift
[12/53] Compiling ArgumentParser CompletionsGenerator.swift
[13/53] Compiling ArgumentParser FishCompletionsGenerator.swift
[14/53] Compiling ArgumentParser ZshCompletionsGenerator.swift
[15/53] Compiling ArgumentParser Argument.swift
[16/57] Emitting module ArgumentParser
[17/57] Compiling ArgumentParser ParsableArguments.swift
[18/57] Compiling ArgumentParser ParsableArgumentsValidation.swift
[19/57] Compiling ArgumentParser ParsableCommand.swift
[20/57] Compiling ArgumentParser ArgumentDecoder.swift
[21/57] Compiling ArgumentParser InputOrigin.swift
[22/57] Compiling ArgumentParser Name.swift
[23/57] Compiling ArgumentParser Parsed.swift
[24/57] Compiling ArgumentParser ParsedValues.swift
[25/57] Compiling ArgumentParser ArgumentDefinition.swift
[26/57] Compiling ArgumentParser ArgumentSet.swift
[27/57] Compiling ArgumentParser CommandParser.swift
[28/57] Compiling ArgumentParser InputKey.swift
[29/57] Compiling ArgumentParser Platform.swift
[30/57] Compiling ArgumentParser SequenceExtensions.swift
[31/57] Compiling ArgumentParser StringExtensions.swift
[32/57] Compiling ArgumentParser Tree.swift
[33/57] Compiling Chalk Chalk.swift
[34/57] Emitting module Chalk
[35/57] Compiling ArgumentParser ParserError.swift
[36/57] Compiling ArgumentParser SplitArguments.swift
[37/57] Compiling ArgumentParser DumpHelpGenerator.swift
[38/57] Compiling ArgumentParser HelpCommand.swift
[39/57] Compiling ArgumentParser Flag.swift
[40/57] Compiling ArgumentParser NameSpecification.swift
[41/57] Compiling ArgumentParser Option.swift
[42/57] Compiling ArgumentParser OptionGroup.swift
[43/57] Compiling ArgumentParser ArgumentHelp.swift
[44/57] Compiling ArgumentParser ArgumentVisibility.swift
[45/57] Compiling ArgumentParser CompletionKind.swift
[46/57] Compiling ArgumentParser Errors.swift
[47/57] Compiling ArgumentParser HelpGenerator.swift
[48/57] Compiling ArgumentParser MessageInfo.swift
[49/57] Compiling ArgumentParser UsageGenerator.swift
[50/57] Compiling ArgumentParser CollectionExtensions.swift
[51/57] Compiling ArgumentParser AsyncParsableCommand.swift
[52/57] Compiling ArgumentParser CommandConfiguration.swift
[53/57] Compiling ArgumentParser EnumerableFlag.swift
[54/57] Compiling ArgumentParser ExpressibleByArgument.swift
[55/63] 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.
[56/63] 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
/Users/admin/builder/spi-builder-workspace/.build/checkouts/Chalk/Chalk.swift:59:23: warning: static property 'bold' is not concurrency-safe because non-'Sendable' type 'Style' may have shared mutable state; this is an error in the Swift 6 language mode
 56 | }
 57 |
 58 | public struct Style: OptionSet {
    |               `- note: consider making struct 'Style' conform to the 'Sendable' protocol
 59 |     public static let bold = Style(rawValue: 1 << 0)
    |                       |- warning: static property 'bold' is not concurrency-safe because non-'Sendable' type 'Style' may have shared mutable state; this is an error in the Swift 6 language mode
    |                       |- note: annotate 'bold' 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
 60 |     public static let dim = Style(rawValue: 1 << 1)
 61 |     public static let italic = Style(rawValue: 1 << 2)
[57/63] Compiling FileCheck CheckString.swift
[58/63] 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 |
[59/63] Compiling FileCheck EditDistance.swift
[60/63] 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 |
[61/65] 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 non-isolated 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 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
 30 |
 31 |     @Flag(help: "Disable colorized diagnostics.")
/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: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)
[62/65] 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 non-isolated 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 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
 30 |
 31 |     @Flag(help: "Disable colorized diagnostics.")
[62/65] Write Objects.LinkFileList
[63/65] Linking filecheck
[64/65] Applying filecheck
Build complete! (26.88s)
Fetching https://github.com/apple/swift-argument-parser
Fetching https://github.com/mxcl/Chalk.git
[1/81] Fetching chalk
[60/11760] Fetching chalk, swift-argument-parser
Fetched https://github.com/mxcl/Chalk.git from cache (1.56s)
Fetched https://github.com/apple/swift-argument-parser from cache (1.56s)
Computing version for https://github.com/mxcl/Chalk.git
Computed https://github.com/mxcl/Chalk.git at 0.5.0 (0.68s)
Computing version for https://github.com/apple/swift-argument-parser
Computed https://github.com/apple/swift-argument-parser at 1.4.0 (0.56s)
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 1.4.0
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.
This is a staging environment. For live and up-to-date package information, visit swiftpackageindex.com.