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Build Information

Successful build of SwiftDocCPlugin, reference 1.5.0 (647c70), with Swift 6.1 for macOS (SPM) on 28 Apr 2026 00:58:43 UTC.

Swift 6 data race errors: 20

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: 4.70.0
Interrupt handler set up.
========================================
Checkout
========================================
Clone URL: https://github.com/swiftlang/swift-docc-plugin.git
Reference: 1.5.0
Initialized empty Git repository in /Users/admin/builder/spi-builder-workspace/.git/
From https://github.com/swiftlang/swift-docc-plugin
 * tag               1.5.0      -> FETCH_HEAD
HEAD is now at 647c708 Support snippets in files other than .swift (#120)
Cloned https://github.com/swiftlang/swift-docc-plugin.git
Revision (git rev-parse @):
647c708be89f834fa6a6d4945442793a77ddf5b6
SPI manifest file found: $PWD/.spi.yml
SUCCESS checkout https://github.com/swiftlang/swift-docc-plugin.git at 1.5.0
========================================
Build
========================================
Selected platform:         macosSpm
Swift version:             6.1
Building package at path:  $PWD
https://github.com/swiftlang/swift-docc-plugin.git
https://github.com/swiftlang/swift-docc-plugin.git
{
  "dependencies" : [
    {
      "identity" : "swift-docc-symbolkit",
      "requirement" : {
        "range" : [
          {
            "lower_bound" : "1.0.0",
            "upper_bound" : "2.0.0"
          }
        ]
      },
      "type" : "sourceControl",
      "url" : "https://github.com/swiftlang/swift-docc-symbolkit"
    }
  ],
  "manifest_display_name" : "SwiftDocCPlugin",
  "name" : "SwiftDocCPlugin",
  "path" : "/Users/admin/builder/spi-builder-workspace",
  "platforms" : [
    {
      "name" : "macos",
      "version" : "10.15.4"
    }
  ],
  "products" : [
    {
      "name" : "Swift-DocC",
      "targets" : [
        "Swift-DocC"
      ],
      "type" : {
        "plugin" : null
      }
    },
    {
      "name" : "Swift-DocC Preview",
      "targets" : [
        "Swift-DocC Preview"
      ],
      "type" : {
        "plugin" : null
      }
    },
    {
      "name" : "snippet-extract",
      "targets" : [
        "snippet-extract"
      ],
      "type" : {
        "executable" : null
      }
    }
  ],
  "targets" : [
    {
      "c99name" : "snippet_extract",
      "module_type" : "SwiftTarget",
      "name" : "snippet-extract",
      "path" : "Sources/snippet-extract",
      "product_dependencies" : [
        "SymbolKit"
      ],
      "product_memberships" : [
        "Swift-DocC",
        "Swift-DocC Preview",
        "snippet-extract"
      ],
      "sources" : [
        "SnippetBuildCommand.swift",
        "Utility/SymbolGraph+Snippet.swift",
        "Utility/URL+Status.swift"
      ],
      "target_dependencies" : [
        "Snippets"
      ],
      "type" : "executable"
    },
    {
      "c99name" : "SwiftDocCPluginUtilitiesTests",
      "module_type" : "SwiftTarget",
      "name" : "SwiftDocCPluginUtilitiesTests",
      "path" : "Tests/SwiftDocCPluginUtilitiesTests",
      "resources" : [
        {
          "path" : "/Users/admin/builder/spi-builder-workspace/Tests/SwiftDocCPluginUtilitiesTests/Test Fixtures",
          "rule" : {
            "copy" : {
            }
          }
        }
      ],
      "sources" : [
        "CommandLineArgumentsTests.swift",
        "DispatchTimeIntervalExtensionTests.swift",
        "DocCFeaturesTests.swift",
        "DocumentationBuildGraphRunnerTests.swift",
        "HelpInformationTests.swift",
        "ParsedArgumentsTests.swift",
        "SnippetParseTests.swift",
        "Snippets/SnippetExtractTests.swift",
        "Snippets/SnippetSymbolTests.swift",
        "Utilities/XCTest+testResourceAsString.swift"
      ],
      "target_dependencies" : [
        "Snippets",
        "SwiftDocCPluginUtilities",
        "snippet-extract"
      ],
      "type" : "test"
    },
    {
      "c99name" : "SwiftDocCPluginUtilities",
      "module_type" : "SwiftTarget",
      "name" : "SwiftDocCPluginUtilities",
      "path" : "Sources/SwiftDocCPluginUtilities",
      "sources" : [
        "BuildGraph/DocumentationBuildGraph.swift",
        "BuildGraph/DocumentationBuildGraphRunner.swift",
        "CommandLineArguments/CommandLineArgument.swift",
        "CommandLineArguments/CommandLineArguments.swift",
        "CommandLineArguments/ParsedPluginArguments.swift",
        "DispatchTimeInterval+descriptionInSeconds.swift",
        "DocCFeatures.swift",
        "DocumentationTargetKind.swift",
        "DocumentedPluginFlags/DocumentedArgument.swift",
        "FoundationExtensions/SendableMetatypeShim.swift",
        "FoundationExtensions/String+singleQuoted.swift",
        "HelpInformation.swift",
        "Lock.swift",
        "ParsedArguments.swift",
        "PluginAction.swift",
        "Snippets/SnippetExtractor.swift"
      ],
      "type" : "library"
    },
    {
      "c99name" : "SwiftDocCPlugin",
      "module_type" : "SwiftTarget",
      "name" : "SwiftDocCPlugin",
      "path" : "Sources/SwiftDocCPluginDocumentation",
      "sources" : [
        "EmptyFile.swift"
      ],
      "type" : "library"
    },
    {
      "c99name" : "Swift_DocC_Preview",
      "module_type" : "PluginTarget",
      "name" : "Swift-DocC Preview",
      "path" : "Plugins/Swift-DocC Preview",
      "plugin_capability" : {
        "intent" : {
          "description" : "Preview the Swift-DocC documentation for a specified target.",
          "type" : "custom",
          "verb" : "preview-documentation"
        },
        "permissions" : [
        ],
        "type" : "command"
      },
      "product_memberships" : [
        "Swift-DocC Preview"
      ],
      "sources" : [
        "SwiftDocCPreview.swift",
        "Symbolic Links/SharedPackagePluginExtensions/ArgumentExtractor+extractSpecifiedTargets.swift",
        "Symbolic Links/SharedPackagePluginExtensions/PackageExtensions.swift",
        "Symbolic Links/SharedPackagePluginExtensions/PackageManager+getSymbolGraphsForDocC.swift",
        "Symbolic Links/SharedPackagePluginExtensions/PluginContext+doccExecutableURL.swift",
        "Symbolic Links/SharedPackagePluginExtensions/SnippetExtractor+generateSnippetsForTarget.swift",
        "Symbolic Links/SharedPackagePluginExtensions/SourceModuleTarget+doccCatalogPath.swift",
        "Symbolic Links/SharedPackagePluginExtensions/Target+defaultSymbolGraphOptions.swift",
        "Symbolic Links/SharedPackagePluginExtensions/Target+doccArchiveOutputPath.swift",
        "Symbolic Links/SwiftDocCPluginUtilities/BuildGraph/DocumentationBuildGraph.swift",
        "Symbolic Links/SwiftDocCPluginUtilities/BuildGraph/DocumentationBuildGraphRunner.swift",
        "Symbolic Links/SwiftDocCPluginUtilities/CommandLineArguments/CommandLineArgument.swift",
        "Symbolic Links/SwiftDocCPluginUtilities/CommandLineArguments/CommandLineArguments.swift",
        "Symbolic Links/SwiftDocCPluginUtilities/CommandLineArguments/ParsedPluginArguments.swift",
        "Symbolic Links/SwiftDocCPluginUtilities/DispatchTimeInterval+descriptionInSeconds.swift",
        "Symbolic Links/SwiftDocCPluginUtilities/DocCFeatures.swift",
        "Symbolic Links/SwiftDocCPluginUtilities/DocumentationTargetKind.swift",
        "Symbolic Links/SwiftDocCPluginUtilities/DocumentedPluginFlags/DocumentedArgument.swift",
        "Symbolic Links/SwiftDocCPluginUtilities/FoundationExtensions/SendableMetatypeShim.swift",
        "Symbolic Links/SwiftDocCPluginUtilities/FoundationExtensions/String+singleQuoted.swift",
        "Symbolic Links/SwiftDocCPluginUtilities/HelpInformation.swift",
        "Symbolic Links/SwiftDocCPluginUtilities/Lock.swift",
        "Symbolic Links/SwiftDocCPluginUtilities/ParsedArguments.swift",
        "Symbolic Links/SwiftDocCPluginUtilities/PluginAction.swift",
        "Symbolic Links/SwiftDocCPluginUtilities/Snippets/SnippetExtractor.swift"
      ],
      "target_dependencies" : [
        "snippet-extract"
      ],
      "type" : "plugin"
    },
    {
      "c99name" : "Swift_DocC",
      "module_type" : "PluginTarget",
      "name" : "Swift-DocC",
      "path" : "Plugins/Swift-DocC Convert",
      "plugin_capability" : {
        "intent" : {
          "type" : "documentationGeneration"
        },
        "permissions" : [
        ],
        "type" : "command"
      },
      "product_memberships" : [
        "Swift-DocC"
      ],
      "sources" : [
        "SwiftDocCConvert.swift",
        "Symbolic Links/SharedPackagePluginExtensions/ArgumentExtractor+extractSpecifiedTargets.swift",
        "Symbolic Links/SharedPackagePluginExtensions/PackageExtensions.swift",
        "Symbolic Links/SharedPackagePluginExtensions/PackageManager+getSymbolGraphsForDocC.swift",
        "Symbolic Links/SharedPackagePluginExtensions/PluginContext+doccExecutableURL.swift",
        "Symbolic Links/SharedPackagePluginExtensions/SnippetExtractor+generateSnippetsForTarget.swift",
        "Symbolic Links/SharedPackagePluginExtensions/SourceModuleTarget+doccCatalogPath.swift",
        "Symbolic Links/SharedPackagePluginExtensions/Target+defaultSymbolGraphOptions.swift",
        "Symbolic Links/SharedPackagePluginExtensions/Target+doccArchiveOutputPath.swift",
        "Symbolic Links/SwiftDocCPluginUtilities/BuildGraph/DocumentationBuildGraph.swift",
        "Symbolic Links/SwiftDocCPluginUtilities/BuildGraph/DocumentationBuildGraphRunner.swift",
        "Symbolic Links/SwiftDocCPluginUtilities/CommandLineArguments/CommandLineArgument.swift",
        "Symbolic Links/SwiftDocCPluginUtilities/CommandLineArguments/CommandLineArguments.swift",
        "Symbolic Links/SwiftDocCPluginUtilities/CommandLineArguments/ParsedPluginArguments.swift",
        "Symbolic Links/SwiftDocCPluginUtilities/DispatchTimeInterval+descriptionInSeconds.swift",
        "Symbolic Links/SwiftDocCPluginUtilities/DocCFeatures.swift",
        "Symbolic Links/SwiftDocCPluginUtilities/DocumentationTargetKind.swift",
        "Symbolic Links/SwiftDocCPluginUtilities/DocumentedPluginFlags/DocumentedArgument.swift",
        "Symbolic Links/SwiftDocCPluginUtilities/FoundationExtensions/SendableMetatypeShim.swift",
        "Symbolic Links/SwiftDocCPluginUtilities/FoundationExtensions/String+singleQuoted.swift",
        "Symbolic Links/SwiftDocCPluginUtilities/HelpInformation.swift",
        "Symbolic Links/SwiftDocCPluginUtilities/Lock.swift",
        "Symbolic Links/SwiftDocCPluginUtilities/ParsedArguments.swift",
        "Symbolic Links/SwiftDocCPluginUtilities/PluginAction.swift",
        "Symbolic Links/SwiftDocCPluginUtilities/Snippets/SnippetExtractor.swift"
      ],
      "target_dependencies" : [
        "snippet-extract"
      ],
      "type" : "plugin"
    },
    {
      "c99name" : "Snippets",
      "module_type" : "SwiftTarget",
      "name" : "Snippets",
      "path" : "Sources/Snippets",
      "product_memberships" : [
        "Swift-DocC",
        "Swift-DocC Preview",
        "snippet-extract"
      ],
      "sources" : [
        "Model/Snippet.swift",
        "Model/SnippetLanguage.swift",
        "Parsing/SnippetParser.swift"
      ],
      "type" : "library"
    }
  ],
  "tools_version" : "5.7"
}
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
[1/1] Compiling plugin Swift-DocC Preview
[2/2] Compiling plugin Swift-DocC
Building for debugging...
[2/19] Write snippet-extract-entitlement.plist
[2/19] Write sources
[5/19] Write snippet-extract-tool-entitlement.plist
[5/19] Write sources
[12/19] Write swift-version-2F0A5646E1D333AE.txt
[14/129] Emitting module SwiftDocCPlugin
[15/129] Compiling SwiftDocCPlugin EmptyFile.swift
[16/129] Compiling SwiftDocCPluginUtilities PluginAction.swift
[17/130] Emitting module SymbolKit
[18/134] Compiling SymbolKit SemanticVersion.swift
[19/134] Compiling SymbolKit AccessControl.swift
[20/134] Compiling SymbolKit Availability.swift
[21/134] Compiling SymbolKit AvailabilityItem.swift
[22/134] Compiling SymbolKit Domain.swift
[23/138] Compiling SymbolKit Identifier.swift
[24/138] Compiling SymbolKit KindIdentifier.swift
[25/138] Compiling SymbolKit Location.swift
[26/138] Compiling SymbolKit Mutability.swift
[27/138] Compiling SwiftDocCPluginUtilities ParsedArguments.swift
/Users/admin/builder/spi-builder-workspace/Sources/SwiftDocCPluginUtilities/ParsedArguments.swift:143:16: warning: static property 'fallbackDisplayName' is not concurrency-safe because non-'Sendable' type 'CommandLineArgument.Option' may have shared mutable state; this is an error in the Swift 6 language mode
141 |     ///
142 |     /// The plugin defines this option so that it can pass a default value for older versions of `docc` which require this.
143 |     static let fallbackDisplayName = CommandLineArgument.Option(
    |                |- warning: static property 'fallbackDisplayName' is not concurrency-safe because non-'Sendable' type 'CommandLineArgument.Option' may have shared mutable state; this is an error in the Swift 6 language mode
    |                |- note: add '@MainActor' to make static property 'fallbackDisplayName' part of global actor 'MainActor'
    |                `- note: disable concurrency-safety checks if accesses are protected by an external synchronization mechanism
144 |         preferred: "--fallback-display-name"
145 |     )
/Users/admin/builder/spi-builder-workspace/Sources/SwiftDocCPluginUtilities/CommandLineArguments/CommandLineArgument.swift:85:19: note: consider making struct 'Option' conform to the 'Sendable' protocol
 83 |     ///
 84 |     /// For example: `"--some-option", "value"` or `"--some-option=value"`.
 85 |     public struct Option {
    |                   `- note: consider making struct 'Option' conform to the 'Sendable' protocol
 86 |         /// The names of this command line option.
 87 |         public var names: Names
/Users/admin/builder/spi-builder-workspace/Sources/SwiftDocCPluginUtilities/ParsedArguments.swift:150:16: warning: static property 'fallbackBundleIdentifier' is not concurrency-safe because non-'Sendable' type 'CommandLineArgument.Option' may have shared mutable state; this is an error in the Swift 6 language mode
148 |     ///
149 |     /// The plugin defines this option so that it can pass a default value for older versions of `docc` which require this.
150 |     static let fallbackBundleIdentifier = CommandLineArgument.Option(
    |                |- warning: static property 'fallbackBundleIdentifier' is not concurrency-safe because non-'Sendable' type 'CommandLineArgument.Option' may have shared mutable state; this is an error in the Swift 6 language mode
    |                |- note: add '@MainActor' to make static property 'fallbackBundleIdentifier' part of global actor 'MainActor'
    |                `- note: disable concurrency-safety checks if accesses are protected by an external synchronization mechanism
151 |         preferred: "--fallback-bundle-identifier"
152 |     )
/Users/admin/builder/spi-builder-workspace/Sources/SwiftDocCPluginUtilities/CommandLineArguments/CommandLineArgument.swift:85:19: note: consider making struct 'Option' conform to the 'Sendable' protocol
 83 |     ///
 84 |     /// For example: `"--some-option", "value"` or `"--some-option=value"`.
 85 |     public struct Option {
    |                   `- note: consider making struct 'Option' conform to the 'Sendable' protocol
 86 |         /// The names of this command line option.
 87 |         public var names: Names
/Users/admin/builder/spi-builder-workspace/Sources/SwiftDocCPluginUtilities/ParsedArguments.swift:157:16: warning: static property 'fallbackDefaultModuleKind' is not concurrency-safe because non-'Sendable' type 'CommandLineArgument.Option' may have shared mutable state; this is an error in the Swift 6 language mode
155 |     ///
156 |     /// The plugin defines this option so that it can pass a default value when building documentation for executable targets.
157 |     static let fallbackDefaultModuleKind = CommandLineArgument.Option(
    |                |- warning: static property 'fallbackDefaultModuleKind' is not concurrency-safe because non-'Sendable' type 'CommandLineArgument.Option' may have shared mutable state; this is an error in the Swift 6 language mode
    |                |- note: add '@MainActor' to make static property 'fallbackDefaultModuleKind' part of global actor 'MainActor'
    |                `- note: disable concurrency-safety checks if accesses are protected by an external synchronization mechanism
158 |         preferred: "--fallback-default-module-kind"
159 |     )
/Users/admin/builder/spi-builder-workspace/Sources/SwiftDocCPluginUtilities/CommandLineArguments/CommandLineArgument.swift:85:19: note: consider making struct 'Option' conform to the 'Sendable' protocol
 83 |     ///
 84 |     /// For example: `"--some-option", "value"` or `"--some-option=value"`.
 85 |     public struct Option {
    |                   `- note: consider making struct 'Option' conform to the 'Sendable' protocol
 86 |         /// The names of this command line option.
 87 |         public var names: Names
/Users/admin/builder/spi-builder-workspace/Sources/SwiftDocCPluginUtilities/ParsedArguments.swift:164:16: warning: static property 'additionalSymbolGraphDirectory' is not concurrency-safe because non-'Sendable' type 'CommandLineArgument.Option' may have shared mutable state; this is an error in the Swift 6 language mode
162 |     ///
163 |     /// The plugin defines this option so that it can pass a default value.
164 |     static let additionalSymbolGraphDirectory = CommandLineArgument.Option(
    |                |- warning: static property 'additionalSymbolGraphDirectory' is not concurrency-safe because non-'Sendable' type 'CommandLineArgument.Option' may have shared mutable state; this is an error in the Swift 6 language mode
    |                |- note: add '@MainActor' to make static property 'additionalSymbolGraphDirectory' part of global actor 'MainActor'
    |                `- note: disable concurrency-safety checks if accesses are protected by an external synchronization mechanism
165 |         preferred: "--additional-symbol-graph-dir"
166 |     )
/Users/admin/builder/spi-builder-workspace/Sources/SwiftDocCPluginUtilities/CommandLineArguments/CommandLineArgument.swift:85:19: note: consider making struct 'Option' conform to the 'Sendable' protocol
 83 |     ///
 84 |     /// For example: `"--some-option", "value"` or `"--some-option=value"`.
 85 |     public struct Option {
    |                   `- note: consider making struct 'Option' conform to the 'Sendable' protocol
 86 |         /// The names of this command line option.
 87 |         public var names: Names
/Users/admin/builder/spi-builder-workspace/Sources/SwiftDocCPluginUtilities/ParsedArguments.swift:171:16: warning: static property 'emitLMDBIndex' is not concurrency-safe because non-'Sendable' type 'CommandLineArgument.Flag' may have shared mutable state; this is an error in the Swift 6 language mode
169 |     ///
170 |     /// The plugin defines this flag so that it can pass this flag by default.
171 |     static let emitLMDBIndex = CommandLineArgument.Flag(
    |                |- warning: static property 'emitLMDBIndex' is not concurrency-safe because non-'Sendable' type 'CommandLineArgument.Flag' may have shared mutable state; this is an error in the Swift 6 language mode
    |                |- note: add '@MainActor' to make static property 'emitLMDBIndex' part of global actor 'MainActor'
    |                `- note: disable concurrency-safety checks if accesses are protected by an external synchronization mechanism
172 |         preferred: "--emit-lmdb-index"
173 |     )
/Users/admin/builder/spi-builder-workspace/Sources/SwiftDocCPluginUtilities/CommandLineArguments/CommandLineArgument.swift:63:19: note: consider making struct 'Flag' conform to the 'Sendable' protocol
 61 |     ///
 62 |     /// For example: `"--some-flag"`.
 63 |     public struct Flag {
    |                   `- note: consider making struct 'Flag' conform to the 'Sendable' protocol
 64 |         /// The names of this command line flag.
 65 |         public var names: Names
/Users/admin/builder/spi-builder-workspace/Sources/SwiftDocCPluginUtilities/ParsedArguments.swift:178:16: warning: static property 'outputPath' is not concurrency-safe because non-'Sendable' type 'CommandLineArgument.Option' may have shared mutable state; this is an error in the Swift 6 language mode
176 |     ///
177 |     /// The plugin defines this option so that it can intercept it and support building documentation for multiple targets within one package build command.
178 |     static let outputPath = CommandLineArgument.Option(
    |                |- warning: static property 'outputPath' is not concurrency-safe because non-'Sendable' type 'CommandLineArgument.Option' may have shared mutable state; this is an error in the Swift 6 language mode
    |                |- note: add '@MainActor' to make static property 'outputPath' part of global actor 'MainActor'
    |                `- note: disable concurrency-safety checks if accesses are protected by an external synchronization mechanism
179 |         preferred: "--output-path",
180 |         alternatives: ["--output-dir", "-o"]
/Users/admin/builder/spi-builder-workspace/Sources/SwiftDocCPluginUtilities/CommandLineArguments/CommandLineArgument.swift:85:19: note: consider making struct 'Option' conform to the 'Sendable' protocol
 83 |     ///
 84 |     /// For example: `"--some-option", "value"` or `"--some-option=value"`.
 85 |     public struct Option {
    |                   `- note: consider making struct 'Option' conform to the 'Sendable' protocol
 86 |         /// The names of this command line option.
 87 |         public var names: Names
/Users/admin/builder/spi-builder-workspace/Sources/SwiftDocCPluginUtilities/ParsedArguments.swift:186:16: warning: static property 'enableExternalLinkSupport' is not concurrency-safe because non-'Sendable' type 'CommandLineArgument.Flag' may have shared mutable state; this is an error in the Swift 6 language mode
184 |     ///
185 |     /// The plugin defines this flag so that it can specify documentation dependencies based on target dependencies when building combined documentation for multiple targets.
186 |     static let enableExternalLinkSupport = CommandLineArgument.Flag(
    |                |- warning: static property 'enableExternalLinkSupport' is not concurrency-safe because non-'Sendable' type 'CommandLineArgument.Flag' may have shared mutable state; this is an error in the Swift 6 language mode
    |                |- note: add '@MainActor' to make static property 'enableExternalLinkSupport' part of global actor 'MainActor'
    |                `- note: disable concurrency-safety checks if accesses are protected by an external synchronization mechanism
187 |         preferred: "--enable-experimental-external-link-support"
188 |     )
/Users/admin/builder/spi-builder-workspace/Sources/SwiftDocCPluginUtilities/CommandLineArguments/CommandLineArgument.swift:63:19: note: consider making struct 'Flag' conform to the 'Sendable' protocol
 61 |     ///
 62 |     /// For example: `"--some-flag"`.
 63 |     public struct Flag {
    |                   `- note: consider making struct 'Flag' conform to the 'Sendable' protocol
 64 |         /// The names of this command line flag.
 65 |         public var names: Names
/Users/admin/builder/spi-builder-workspace/Sources/SwiftDocCPluginUtilities/ParsedArguments.swift:193:16: warning: static property 'externalLinkDependency' is not concurrency-safe because non-'Sendable' type 'CommandLineArgument.Option' may have shared mutable state; this is an error in the Swift 6 language mode
191 |     ///
192 |     /// The plugin defines this option so that it can specify documentation dependencies based on target dependencies when building combined documentation for multiple targets.
193 |     static let externalLinkDependency = CommandLineArgument.Option(
    |                |- warning: static property 'externalLinkDependency' is not concurrency-safe because non-'Sendable' type 'CommandLineArgument.Option' may have shared mutable state; this is an error in the Swift 6 language mode
    |                |- note: add '@MainActor' to make static property 'externalLinkDependency' part of global actor 'MainActor'
    |                `- note: disable concurrency-safety checks if accesses are protected by an external synchronization mechanism
194 |         preferred: "--dependency",
195 |         kind: .arrayOfValues
/Users/admin/builder/spi-builder-workspace/Sources/SwiftDocCPluginUtilities/CommandLineArguments/CommandLineArgument.swift:85:19: note: consider making struct 'Option' conform to the 'Sendable' protocol
 83 |     ///
 84 |     /// For example: `"--some-option", "value"` or `"--some-option=value"`.
 85 |     public struct Option {
    |                   `- note: consider making struct 'Option' conform to the 'Sendable' protocol
 86 |         /// The names of this command line option.
 87 |         public var names: Names
/Users/admin/builder/spi-builder-workspace/Sources/SwiftDocCPluginUtilities/ParsedArguments.swift:201:16: warning: static property 'synthesizedLandingPageName' is not concurrency-safe because non-'Sendable' type 'CommandLineArgument.Option' may have shared mutable state; this is an error in the Swift 6 language mode
199 |     ///
200 |     /// The plugin defines this option so that it can specify the package name as the display name of the default landing page when building combined documentation for multiple targets.
201 |     static let synthesizedLandingPageName = CommandLineArgument.Option(
    |                |- warning: static property 'synthesizedLandingPageName' is not concurrency-safe because non-'Sendable' type 'CommandLineArgument.Option' may have shared mutable state; this is an error in the Swift 6 language mode
    |                |- note: add '@MainActor' to make static property 'synthesizedLandingPageName' part of global actor 'MainActor'
    |                `- note: disable concurrency-safety checks if accesses are protected by an external synchronization mechanism
202 |         preferred: "--synthesized-landing-page-name"
203 |     )
/Users/admin/builder/spi-builder-workspace/Sources/SwiftDocCPluginUtilities/CommandLineArguments/CommandLineArgument.swift:85:19: note: consider making struct 'Option' conform to the 'Sendable' protocol
 83 |     ///
 84 |     /// For example: `"--some-option", "value"` or `"--some-option=value"`.
 85 |     public struct Option {
    |                   `- note: consider making struct 'Option' conform to the 'Sendable' protocol
 86 |         /// The names of this command line option.
 87 |         public var names: Names
/Users/admin/builder/spi-builder-workspace/Sources/SwiftDocCPluginUtilities/ParsedArguments.swift:208:16: warning: static property 'synthesizedLandingPageKind' is not concurrency-safe because non-'Sendable' type 'CommandLineArgument.Option' may have shared mutable state; this is an error in the Swift 6 language mode
206 |     ///
207 |     /// The plugin defines this option so that it can specify "Package" as the kind of the default landing page when building combined documentation for multiple targets.
208 |     static let synthesizedLandingPageKind = CommandLineArgument.Option(
    |                |- warning: static property 'synthesizedLandingPageKind' is not concurrency-safe because non-'Sendable' type 'CommandLineArgument.Option' may have shared mutable state; this is an error in the Swift 6 language mode
    |                |- note: add '@MainActor' to make static property 'synthesizedLandingPageKind' part of global actor 'MainActor'
    |                `- note: disable concurrency-safety checks if accesses are protected by an external synchronization mechanism
209 |         preferred: "--synthesized-landing-page-kind"
210 |     )
/Users/admin/builder/spi-builder-workspace/Sources/SwiftDocCPluginUtilities/CommandLineArguments/CommandLineArgument.swift:85:19: note: consider making struct 'Option' conform to the 'Sendable' protocol
 83 |     ///
 84 |     /// For example: `"--some-option", "value"` or `"--some-option=value"`.
 85 |     public struct Option {
    |                   `- note: consider making struct 'Option' conform to the 'Sendable' protocol
 86 |         /// The names of this command line option.
 87 |         public var names: Names
[28/138] Compiling SwiftDocCPluginUtilities Lock.swift
[29/138] Compiling SwiftDocCPluginUtilities SnippetExtractor.swift
[30/138] Compiling Snippets SnippetParser.swift
[31/138] Emitting module Snippets
[32/138] Compiling Snippets Snippet.swift
[33/138] Compiling Snippets SnippetLanguage.swift
[34/138] Compiling SymbolKit DeclarationFragments.swift
[35/138] Compiling SymbolKit Fragment.swift
[36/138] Compiling SymbolKit FragmentKind.swift
[37/138] Compiling SymbolKit FunctionParameter.swift
[38/138] Compiling SymbolKit FunctionSignature.swift
[39/138] Compiling SymbolKit Mixin+Hash.swift
/Users/admin/builder/spi-builder-workspace/Sources/SwiftDocCPluginUtilities/DocumentedPluginFlags/DocumentedArgument.swift:57:16: warning: static property 'enableCombinedDocumentation' is not concurrency-safe because non-'Sendable' type 'DocumentedArgument' may have shared mutable state; this is an error in the Swift 6 language mode
 10 | ///
 11 | /// This may include some arguments (flags or options) that the plugin forwards to the symbol graph extract tool or to DocC.
 12 | struct DocumentedArgument {
    |        `- note: consider making struct 'DocumentedArgument' conform to the 'Sendable' protocol
 13 |     /// A command line argument (flag or option) that is wrapped with documentation.
 14 |     enum Argument {
    :
 55 |     ///
 56 |     /// - Note: This flag requires that the `docc` executable supports ``Feature/linkDependencies``.
 57 |     static let enableCombinedDocumentation = Self(
    |                |- warning: static property 'enableCombinedDocumentation' is not concurrency-safe because non-'Sendable' type 'DocumentedArgument' may have shared mutable state; this is an error in the Swift 6 language mode
    |                |- note: add '@MainActor' to make static property 'enableCombinedDocumentation' part of global actor 'MainActor'
    |                `- note: disable concurrency-safety checks if accesses are protected by an external synchronization mechanism
 58 |         flag: .init(preferred: "--enable-experimental-combined-documentation"),
 59 |         abstract: "Create a combined DocC archive with all generated documentation.",
/Users/admin/builder/spi-builder-workspace/Sources/SwiftDocCPluginUtilities/DocumentedPluginFlags/DocumentedArgument.swift:67:16: warning: static property 'disableLMDBIndex' is not concurrency-safe because non-'Sendable' type 'DocumentedArgument' may have shared mutable state; this is an error in the Swift 6 language mode
 10 | ///
 11 | /// This may include some arguments (flags or options) that the plugin forwards to the symbol graph extract tool or to DocC.
 12 | struct DocumentedArgument {
    |        `- note: consider making struct 'DocumentedArgument' conform to the 'Sendable' protocol
 13 |     /// A command line argument (flag or option) that is wrapped with documentation.
 14 |     enum Argument {
    :
 65 |
 66 |     /// A plugin feature flag to skip adding the `--emit-lmdb-index` flag, that the plugin adds by default.
 67 |     static let disableLMDBIndex = Self(
    |                |- warning: static property 'disableLMDBIndex' is not concurrency-safe because non-'Sendable' type 'DocumentedArgument' may have shared mutable state; this is an error in the Swift 6 language mode
    |                |- note: add '@MainActor' to make static property 'disableLMDBIndex' part of global actor 'MainActor'
    |                `- note: disable concurrency-safety checks if accesses are protected by an external synchronization mechanism
 68 |         flag: .init(preferred: "--disable-indexing", alternatives: ["--no-indexing"]),
 69 |         abstract: "Disable indexing for the produced DocC archive.",
/Users/admin/builder/spi-builder-workspace/Sources/SwiftDocCPluginUtilities/DocumentedPluginFlags/DocumentedArgument.swift:76:16: warning: static property 'verbose' is not concurrency-safe because non-'Sendable' type 'DocumentedArgument' may have shared mutable state; this is an error in the Swift 6 language mode
 10 | ///
 11 | /// This may include some arguments (flags or options) that the plugin forwards to the symbol graph extract tool or to DocC.
 12 | struct DocumentedArgument {
    |        `- note: consider making struct 'DocumentedArgument' conform to the 'Sendable' protocol
 13 |     /// A command line argument (flag or option) that is wrapped with documentation.
 14 |     enum Argument {
    :
 74 |
 75 |     /// A plugin feature flag to enable verbose logging.
 76 |     static let verbose = Self(
    |                |- warning: static property 'verbose' is not concurrency-safe because non-'Sendable' type 'DocumentedArgument' may have shared mutable state; this is an error in the Swift 6 language mode
    |                |- note: add '@MainActor' to make static property 'verbose' part of global actor 'MainActor'
    |                `- note: disable concurrency-safety checks if accesses are protected by an external synchronization mechanism
 77 |         flag: .init(preferred: "--verbose"),
 78 |         abstract: "Increase verbosity to include informational output.",
/Users/admin/builder/spi-builder-workspace/Sources/SwiftDocCPluginUtilities/DocumentedPluginFlags/DocumentedArgument.swift:94:16: warning: static property 'extendedTypes' is not concurrency-safe because non-'Sendable' type 'DocumentedArgument' may have shared mutable state; this is an error in the Swift 6 language mode
 10 | ///
 11 | /// This may include some arguments (flags or options) that the plugin forwards to the symbol graph extract tool or to DocC.
 12 | struct DocumentedArgument {
    |        `- note: consider making struct 'DocumentedArgument' conform to the 'Sendable' protocol
 13 |     /// A command line argument (flag or option) that is wrapped with documentation.
 14 |     enum Argument {
    :
 92 |     /// - Note: This flag is only available starting from Swift 5.8. It should be hidden from the `--help` command for lower toolchain versions.
 93 |     /// However, we do not hide the flag entirely, because this enables us to give a more precise warning when accidentally used with Swift 5.7 or lower.
 94 |     static let extendedTypes = Self(
    |                |- warning: static property 'extendedTypes' is not concurrency-safe because non-'Sendable' type 'DocumentedArgument' may have shared mutable state; this is an error in the Swift 6 language mode
    |                |- note: add '@MainActor' to make static property 'extendedTypes' part of global actor 'MainActor'
    |                `- note: disable concurrency-safety checks if accesses are protected by an external synchronization mechanism
 95 |         flag: .init(
 96 |             preferred: "--include-extended-types",
/Users/admin/builder/spi-builder-workspace/Sources/SwiftDocCPluginUtilities/DocumentedPluginFlags/DocumentedArgument.swift:106:16: warning: static property 'skipSynthesizedSymbols' is not concurrency-safe because non-'Sendable' type 'DocumentedArgument' may have shared mutable state; this is an error in the Swift 6 language mode
 10 | ///
 11 | /// This may include some arguments (flags or options) that the plugin forwards to the symbol graph extract tool or to DocC.
 12 | struct DocumentedArgument {
    |        `- note: consider making struct 'DocumentedArgument' conform to the 'Sendable' protocol
 13 |     /// A command line argument (flag or option) that is wrapped with documentation.
 14 |     enum Argument {
    :
104 |     ///
105 |     /// `--experimental-skip-synthesized-symbols` produces a DocC archive without compiler-synthesized symbols.
106 |     static let skipSynthesizedSymbols = Self(
    |                |- warning: static property 'skipSynthesizedSymbols' is not concurrency-safe because non-'Sendable' type 'DocumentedArgument' may have shared mutable state; this is an error in the Swift 6 language mode
    |                |- note: add '@MainActor' to make static property 'skipSynthesizedSymbols' part of global actor 'MainActor'
    |                `- note: disable concurrency-safety checks if accesses are protected by an external synchronization mechanism
107 |         flag: .init(preferred: "--experimental-skip-synthesized-symbols"),
108 |         abstract: "Exclude synthesized symbols from the generated documentation.",
/Users/admin/builder/spi-builder-workspace/Sources/SwiftDocCPluginUtilities/DocumentedPluginFlags/DocumentedArgument.swift:115:16: warning: static property 'minimumAccessLevel' is not concurrency-safe because non-'Sendable' type 'DocumentedArgument' may have shared mutable state; this is an error in the Swift 6 language mode
 10 | ///
 11 | /// This may include some arguments (flags or options) that the plugin forwards to the symbol graph extract tool or to DocC.
 12 | struct DocumentedArgument {
    |        `- note: consider making struct 'DocumentedArgument' conform to the 'Sendable' protocol
 13 |     /// A command line argument (flag or option) that is wrapped with documentation.
 14 |     enum Argument {
    :
113 |
114 |     /// The minimum access level that the symbol graph extractor will emit symbols for
115 |     static let minimumAccessLevel = Self(
    |                |- warning: static property 'minimumAccessLevel' is not concurrency-safe because non-'Sendable' type 'DocumentedArgument' may have shared mutable state; this is an error in the Swift 6 language mode
    |                |- note: add '@MainActor' to make static property 'minimumAccessLevel' part of global actor 'MainActor'
    |                `- note: disable concurrency-safety checks if accesses are protected by an external synchronization mechanism
116 |         option: .init(preferred: "--symbol-graph-minimum-access-level"),
117 |         abstract: "Include symbols with this access level or more.",
[40/138] Compiling SymbolKit Mixin.swift
/Users/admin/builder/spi-builder-workspace/Sources/SwiftDocCPluginUtilities/DocumentedPluginFlags/DocumentedArgument.swift:57:16: warning: static property 'enableCombinedDocumentation' is not concurrency-safe because non-'Sendable' type 'DocumentedArgument' may have shared mutable state; this is an error in the Swift 6 language mode
 10 | ///
 11 | /// This may include some arguments (flags or options) that the plugin forwards to the symbol graph extract tool or to DocC.
 12 | struct DocumentedArgument {
    |        `- note: consider making struct 'DocumentedArgument' conform to the 'Sendable' protocol
 13 |     /// A command line argument (flag or option) that is wrapped with documentation.
 14 |     enum Argument {
    :
 55 |     ///
 56 |     /// - Note: This flag requires that the `docc` executable supports ``Feature/linkDependencies``.
 57 |     static let enableCombinedDocumentation = Self(
    |                |- warning: static property 'enableCombinedDocumentation' is not concurrency-safe because non-'Sendable' type 'DocumentedArgument' may have shared mutable state; this is an error in the Swift 6 language mode
    |                |- note: add '@MainActor' to make static property 'enableCombinedDocumentation' part of global actor 'MainActor'
    |                `- note: disable concurrency-safety checks if accesses are protected by an external synchronization mechanism
 58 |         flag: .init(preferred: "--enable-experimental-combined-documentation"),
 59 |         abstract: "Create a combined DocC archive with all generated documentation.",
/Users/admin/builder/spi-builder-workspace/Sources/SwiftDocCPluginUtilities/DocumentedPluginFlags/DocumentedArgument.swift:67:16: warning: static property 'disableLMDBIndex' is not concurrency-safe because non-'Sendable' type 'DocumentedArgument' may have shared mutable state; this is an error in the Swift 6 language mode
 10 | ///
 11 | /// This may include some arguments (flags or options) that the plugin forwards to the symbol graph extract tool or to DocC.
 12 | struct DocumentedArgument {
    |        `- note: consider making struct 'DocumentedArgument' conform to the 'Sendable' protocol
 13 |     /// A command line argument (flag or option) that is wrapped with documentation.
 14 |     enum Argument {
    :
 65 |
 66 |     /// A plugin feature flag to skip adding the `--emit-lmdb-index` flag, that the plugin adds by default.
 67 |     static let disableLMDBIndex = Self(
    |                |- warning: static property 'disableLMDBIndex' is not concurrency-safe because non-'Sendable' type 'DocumentedArgument' may have shared mutable state; this is an error in the Swift 6 language mode
    |                |- note: add '@MainActor' to make static property 'disableLMDBIndex' part of global actor 'MainActor'
    |                `- note: disable concurrency-safety checks if accesses are protected by an external synchronization mechanism
 68 |         flag: .init(preferred: "--disable-indexing", alternatives: ["--no-indexing"]),
 69 |         abstract: "Disable indexing for the produced DocC archive.",
/Users/admin/builder/spi-builder-workspace/Sources/SwiftDocCPluginUtilities/DocumentedPluginFlags/DocumentedArgument.swift:76:16: warning: static property 'verbose' is not concurrency-safe because non-'Sendable' type 'DocumentedArgument' may have shared mutable state; this is an error in the Swift 6 language mode
 10 | ///
 11 | /// This may include some arguments (flags or options) that the plugin forwards to the symbol graph extract tool or to DocC.
 12 | struct DocumentedArgument {
    |        `- note: consider making struct 'DocumentedArgument' conform to the 'Sendable' protocol
 13 |     /// A command line argument (flag or option) that is wrapped with documentation.
 14 |     enum Argument {
    :
 74 |
 75 |     /// A plugin feature flag to enable verbose logging.
 76 |     static let verbose = Self(
    |                |- warning: static property 'verbose' is not concurrency-safe because non-'Sendable' type 'DocumentedArgument' may have shared mutable state; this is an error in the Swift 6 language mode
    |                |- note: add '@MainActor' to make static property 'verbose' part of global actor 'MainActor'
    |                `- note: disable concurrency-safety checks if accesses are protected by an external synchronization mechanism
 77 |         flag: .init(preferred: "--verbose"),
 78 |         abstract: "Increase verbosity to include informational output.",
/Users/admin/builder/spi-builder-workspace/Sources/SwiftDocCPluginUtilities/DocumentedPluginFlags/DocumentedArgument.swift:94:16: warning: static property 'extendedTypes' is not concurrency-safe because non-'Sendable' type 'DocumentedArgument' may have shared mutable state; this is an error in the Swift 6 language mode
 10 | ///
 11 | /// This may include some arguments (flags or options) that the plugin forwards to the symbol graph extract tool or to DocC.
 12 | struct DocumentedArgument {
    |        `- note: consider making struct 'DocumentedArgument' conform to the 'Sendable' protocol
 13 |     /// A command line argument (flag or option) that is wrapped with documentation.
 14 |     enum Argument {
    :
 92 |     /// - Note: This flag is only available starting from Swift 5.8. It should be hidden from the `--help` command for lower toolchain versions.
 93 |     /// However, we do not hide the flag entirely, because this enables us to give a more precise warning when accidentally used with Swift 5.7 or lower.
 94 |     static let extendedTypes = Self(
    |                |- warning: static property 'extendedTypes' is not concurrency-safe because non-'Sendable' type 'DocumentedArgument' may have shared mutable state; this is an error in the Swift 6 language mode
    |                |- note: add '@MainActor' to make static property 'extendedTypes' part of global actor 'MainActor'
    |                `- note: disable concurrency-safety checks if accesses are protected by an external synchronization mechanism
 95 |         flag: .init(
 96 |             preferred: "--include-extended-types",
/Users/admin/builder/spi-builder-workspace/Sources/SwiftDocCPluginUtilities/DocumentedPluginFlags/DocumentedArgument.swift:106:16: warning: static property 'skipSynthesizedSymbols' is not concurrency-safe because non-'Sendable' type 'DocumentedArgument' may have shared mutable state; this is an error in the Swift 6 language mode
 10 | ///
 11 | /// This may include some arguments (flags or options) that the plugin forwards to the symbol graph extract tool or to DocC.
 12 | struct DocumentedArgument {
    |        `- note: consider making struct 'DocumentedArgument' conform to the 'Sendable' protocol
 13 |     /// A command line argument (flag or option) that is wrapped with documentation.
 14 |     enum Argument {
    :
104 |     ///
105 |     /// `--experimental-skip-synthesized-symbols` produces a DocC archive without compiler-synthesized symbols.
106 |     static let skipSynthesizedSymbols = Self(
    |                |- warning: static property 'skipSynthesizedSymbols' is not concurrency-safe because non-'Sendable' type 'DocumentedArgument' may have shared mutable state; this is an error in the Swift 6 language mode
    |                |- note: add '@MainActor' to make static property 'skipSynthesizedSymbols' part of global actor 'MainActor'
    |                `- note: disable concurrency-safety checks if accesses are protected by an external synchronization mechanism
107 |         flag: .init(preferred: "--experimental-skip-synthesized-symbols"),
108 |         abstract: "Exclude synthesized symbols from the generated documentation.",
/Users/admin/builder/spi-builder-workspace/Sources/SwiftDocCPluginUtilities/DocumentedPluginFlags/DocumentedArgument.swift:115:16: warning: static property 'minimumAccessLevel' is not concurrency-safe because non-'Sendable' type 'DocumentedArgument' may have shared mutable state; this is an error in the Swift 6 language mode
 10 | ///
 11 | /// This may include some arguments (flags or options) that the plugin forwards to the symbol graph extract tool or to DocC.
 12 | struct DocumentedArgument {
    |        `- note: consider making struct 'DocumentedArgument' conform to the 'Sendable' protocol
 13 |     /// A command line argument (flag or option) that is wrapped with documentation.
 14 |     enum Argument {
    :
113 |
114 |     /// The minimum access level that the symbol graph extractor will emit symbols for
115 |     static let minimumAccessLevel = Self(
    |                |- warning: static property 'minimumAccessLevel' is not concurrency-safe because non-'Sendable' type 'DocumentedArgument' may have shared mutable state; this is an error in the Swift 6 language mode
    |                |- note: add '@MainActor' to make static property 'minimumAccessLevel' part of global actor 'MainActor'
    |                `- note: disable concurrency-safety checks if accesses are protected by an external synchronization mechanism
116 |         option: .init(preferred: "--symbol-graph-minimum-access-level"),
117 |         abstract: "Include symbols with this access level or more.",
[41/138] Compiling SymbolKit Relationship.swift
[42/138] Compiling SymbolKit RelationshipKind.swift
[43/138] Compiling SymbolKit Module.swift
[44/138] Compiling SymbolKit OperatingSystem.swift
[45/138] Compiling SymbolKit Platform.swift
/Users/admin/builder/spi-builder-workspace/Sources/SwiftDocCPluginUtilities/CommandLineArguments/ParsedPluginArguments.swift:27:16: warning: static property 'help' is not concurrency-safe because non-'Sendable' type 'CommandLineArgument.Flag' may have shared mutable state; this is an error in the Swift 6 language mode
25 |
26 |     /// A common command line tool flag to print the help text instead of running the command.
27 |     static let help = CommandLineArgument.Flag(
   |                |- warning: static property 'help' is not concurrency-safe because non-'Sendable' type 'CommandLineArgument.Flag' may have shared mutable state; this is an error in the Swift 6 language mode
   |                |- note: add '@MainActor' to make static property 'help' part of global actor 'MainActor'
   |                `- note: disable concurrency-safety checks if accesses are protected by an external synchronization mechanism
28 |         preferred: "--help", alternatives: ["-h"]
29 |     )
/Users/admin/builder/spi-builder-workspace/Sources/SwiftDocCPluginUtilities/CommandLineArguments/CommandLineArgument.swift:63:19: note: consider making struct 'Flag' conform to the 'Sendable' protocol
 61 |     ///
 62 |     /// For example: `"--some-flag"`.
 63 |     public struct Flag {
    |                   `- note: consider making struct 'Flag' conform to the 'Sendable' protocol
 64 |         /// The names of this command line flag.
 65 |         public var names: Names
[46/138] Compiling SymbolKit Mixin+Equals.swift
/Users/admin/builder/spi-builder-workspace/Sources/SwiftDocCPluginUtilities/CommandLineArguments/ParsedPluginArguments.swift:27:16: warning: static property 'help' is not concurrency-safe because non-'Sendable' type 'CommandLineArgument.Flag' may have shared mutable state; this is an error in the Swift 6 language mode
25 |
26 |     /// A common command line tool flag to print the help text instead of running the command.
27 |     static let help = CommandLineArgument.Flag(
   |                |- warning: static property 'help' is not concurrency-safe because non-'Sendable' type 'CommandLineArgument.Flag' may have shared mutable state; this is an error in the Swift 6 language mode
   |                |- note: add '@MainActor' to make static property 'help' part of global actor 'MainActor'
   |                `- note: disable concurrency-safety checks if accesses are protected by an external synchronization mechanism
28 |         preferred: "--help", alternatives: ["-h"]
29 |     )
/Users/admin/builder/spi-builder-workspace/Sources/SwiftDocCPluginUtilities/CommandLineArguments/CommandLineArgument.swift:63:19: note: consider making struct 'Flag' conform to the 'Sendable' protocol
 61 |     ///
 62 |     /// For example: `"--some-flag"`.
 63 |     public struct Flag {
    |                   `- note: consider making struct 'Flag' conform to the 'Sendable' protocol
 64 |         /// The names of this command line flag.
 65 |         public var names: Names
[47/138] Compiling SymbolKit SourceRange.swift
/Users/admin/builder/spi-builder-workspace/Sources/SwiftDocCPluginUtilities/BuildGraph/DocumentationBuildGraph.swift:106:17: warning: capture of 'work' with non-sendable type '(DocumentationBuildGraph<Target>.Task) -> Void' in a '@Sendable' closure
104 |             // Copy the closure and the target into a block operation object
105 |             let new = BlockOperation { [work, task] in
106 |                 work(task)
    |                 |- warning: capture of 'work' with non-sendable type '(DocumentationBuildGraph<Target>.Task) -> Void' in a '@Sendable' closure
    |                 `- note: a function type must be marked '@Sendable' to conform to 'Sendable'
107 |             }
108 |             operationsByID[task.id] = new
/Users/admin/builder/spi-builder-workspace/Sources/SwiftDocCPluginUtilities/BuildGraph/DocumentationBuildGraph.swift:106:22: warning: capture of 'task' with non-sendable type 'DocumentationBuildGraph<Target>.Task' in a '@Sendable' closure
 57 | extension DocumentationBuildGraph {
 58 |     /// A documentation task in the build graph
 59 |     final class Task {
    |                 `- note: class 'Task' does not conform to the 'Sendable' protocol
 60 |         /// The target to build documentation for
 61 |         let target: Target
    :
104 |             // Copy the closure and the target into a block operation object
105 |             let new = BlockOperation { [work, task] in
106 |                 work(task)
    |                      `- warning: capture of 'task' with non-sendable type 'DocumentationBuildGraph<Target>.Task' in a '@Sendable' closure
107 |             }
108 |             operationsByID[task.id] = new
[48/138] Compiling SymbolKit Metadata.swift
/Users/admin/builder/spi-builder-workspace/Sources/SwiftDocCPluginUtilities/BuildGraph/DocumentationBuildGraph.swift:106:17: warning: capture of 'work' with non-sendable type '(DocumentationBuildGraph<Target>.Task) -> Void' in a '@Sendable' closure
104 |             // Copy the closure and the target into a block operation object
105 |             let new = BlockOperation { [work, task] in
106 |                 work(task)
    |                 |- warning: capture of 'work' with non-sendable type '(DocumentationBuildGraph<Target>.Task) -> Void' in a '@Sendable' closure
    |                 `- note: a function type must be marked '@Sendable' to conform to 'Sendable'
107 |             }
108 |             operationsByID[task.id] = new
/Users/admin/builder/spi-builder-workspace/Sources/SwiftDocCPluginUtilities/BuildGraph/DocumentationBuildGraph.swift:106:22: warning: capture of 'task' with non-sendable type 'DocumentationBuildGraph<Target>.Task' in a '@Sendable' closure
 57 | extension DocumentationBuildGraph {
 58 |     /// A documentation task in the build graph
 59 |     final class Task {
    |                 `- note: class 'Task' does not conform to the 'Sendable' protocol
 60 |         /// The target to build documentation for
 61 |         let target: Target
    :
104 |             // Copy the closure and the target into a block operation object
105 |             let new = BlockOperation { [work, task] in
106 |                 work(task)
    |                      `- warning: capture of 'task' with non-sendable type 'DocumentationBuildGraph<Target>.Task' in a '@Sendable' closure
107 |             }
108 |             operationsByID[task.id] = new
[49/138] Emitting module SwiftDocCPluginUtilities
/Users/admin/builder/spi-builder-workspace/Sources/SwiftDocCPluginUtilities/CommandLineArguments/ParsedPluginArguments.swift:27:16: warning: static property 'help' is not concurrency-safe because non-'Sendable' type 'CommandLineArgument.Flag' may have shared mutable state; this is an error in the Swift 6 language mode
25 |
26 |     /// A common command line tool flag to print the help text instead of running the command.
27 |     static let help = CommandLineArgument.Flag(
   |                |- warning: static property 'help' is not concurrency-safe because non-'Sendable' type 'CommandLineArgument.Flag' may have shared mutable state; this is an error in the Swift 6 language mode
   |                |- note: add '@MainActor' to make static property 'help' part of global actor 'MainActor'
   |                `- note: disable concurrency-safety checks if accesses are protected by an external synchronization mechanism
28 |         preferred: "--help", alternatives: ["-h"]
29 |     )
/Users/admin/builder/spi-builder-workspace/Sources/SwiftDocCPluginUtilities/CommandLineArguments/CommandLineArgument.swift:63:19: note: consider making struct 'Flag' conform to the 'Sendable' protocol
 61 |     ///
 62 |     /// For example: `"--some-flag"`.
 63 |     public struct Flag {
    |                   `- note: consider making struct 'Flag' conform to the 'Sendable' protocol
 64 |         /// The names of this command line flag.
 65 |         public var names: Names
/Users/admin/builder/spi-builder-workspace/Sources/SwiftDocCPluginUtilities/DocumentedPluginFlags/DocumentedArgument.swift:57:16: warning: static property 'enableCombinedDocumentation' is not concurrency-safe because non-'Sendable' type 'DocumentedArgument' may have shared mutable state; this is an error in the Swift 6 language mode
 10 | ///
 11 | /// This may include some arguments (flags or options) that the plugin forwards to the symbol graph extract tool or to DocC.
 12 | struct DocumentedArgument {
    |        `- note: consider making struct 'DocumentedArgument' conform to the 'Sendable' protocol
 13 |     /// A command line argument (flag or option) that is wrapped with documentation.
 14 |     enum Argument {
    :
 55 |     ///
 56 |     /// - Note: This flag requires that the `docc` executable supports ``Feature/linkDependencies``.
 57 |     static let enableCombinedDocumentation = Self(
    |                |- warning: static property 'enableCombinedDocumentation' is not concurrency-safe because non-'Sendable' type 'DocumentedArgument' may have shared mutable state; this is an error in the Swift 6 language mode
    |                |- note: add '@MainActor' to make static property 'enableCombinedDocumentation' part of global actor 'MainActor'
    |                `- note: disable concurrency-safety checks if accesses are protected by an external synchronization mechanism
 58 |         flag: .init(preferred: "--enable-experimental-combined-documentation"),
 59 |         abstract: "Create a combined DocC archive with all generated documentation.",
/Users/admin/builder/spi-builder-workspace/Sources/SwiftDocCPluginUtilities/DocumentedPluginFlags/DocumentedArgument.swift:67:16: warning: static property 'disableLMDBIndex' is not concurrency-safe because non-'Sendable' type 'DocumentedArgument' may have shared mutable state; this is an error in the Swift 6 language mode
 10 | ///
 11 | /// This may include some arguments (flags or options) that the plugin forwards to the symbol graph extract tool or to DocC.
 12 | struct DocumentedArgument {
    |        `- note: consider making struct 'DocumentedArgument' conform to the 'Sendable' protocol
 13 |     /// A command line argument (flag or option) that is wrapped with documentation.
 14 |     enum Argument {
    :
 65 |
 66 |     /// A plugin feature flag to skip adding the `--emit-lmdb-index` flag, that the plugin adds by default.
 67 |     static let disableLMDBIndex = Self(
    |                |- warning: static property 'disableLMDBIndex' is not concurrency-safe because non-'Sendable' type 'DocumentedArgument' may have shared mutable state; this is an error in the Swift 6 language mode
    |                |- note: add '@MainActor' to make static property 'disableLMDBIndex' part of global actor 'MainActor'
    |                `- note: disable concurrency-safety checks if accesses are protected by an external synchronization mechanism
 68 |         flag: .init(preferred: "--disable-indexing", alternatives: ["--no-indexing"]),
 69 |         abstract: "Disable indexing for the produced DocC archive.",
/Users/admin/builder/spi-builder-workspace/Sources/SwiftDocCPluginUtilities/DocumentedPluginFlags/DocumentedArgument.swift:76:16: warning: static property 'verbose' is not concurrency-safe because non-'Sendable' type 'DocumentedArgument' may have shared mutable state; this is an error in the Swift 6 language mode
 10 | ///
 11 | /// This may include some arguments (flags or options) that the plugin forwards to the symbol graph extract tool or to DocC.
 12 | struct DocumentedArgument {
    |        `- note: consider making struct 'DocumentedArgument' conform to the 'Sendable' protocol
 13 |     /// A command line argument (flag or option) that is wrapped with documentation.
 14 |     enum Argument {
    :
 74 |
 75 |     /// A plugin feature flag to enable verbose logging.
 76 |     static let verbose = Self(
    |                |- warning: static property 'verbose' is not concurrency-safe because non-'Sendable' type 'DocumentedArgument' may have shared mutable state; this is an error in the Swift 6 language mode
    |                |- note: add '@MainActor' to make static property 'verbose' part of global actor 'MainActor'
    |                `- note: disable concurrency-safety checks if accesses are protected by an external synchronization mechanism
 77 |         flag: .init(preferred: "--verbose"),
 78 |         abstract: "Increase verbosity to include informational output.",
/Users/admin/builder/spi-builder-workspace/Sources/SwiftDocCPluginUtilities/DocumentedPluginFlags/DocumentedArgument.swift:94:16: warning: static property 'extendedTypes' is not concurrency-safe because non-'Sendable' type 'DocumentedArgument' may have shared mutable state; this is an error in the Swift 6 language mode
 10 | ///
 11 | /// This may include some arguments (flags or options) that the plugin forwards to the symbol graph extract tool or to DocC.
 12 | struct DocumentedArgument {
    |        `- note: consider making struct 'DocumentedArgument' conform to the 'Sendable' protocol
 13 |     /// A command line argument (flag or option) that is wrapped with documentation.
 14 |     enum Argument {
    :
 92 |     /// - Note: This flag is only available starting from Swift 5.8. It should be hidden from the `--help` command for lower toolchain versions.
 93 |     /// However, we do not hide the flag entirely, because this enables us to give a more precise warning when accidentally used with Swift 5.7 or lower.
 94 |     static let extendedTypes = Self(
    |                |- warning: static property 'extendedTypes' is not concurrency-safe because non-'Sendable' type 'DocumentedArgument' may have shared mutable state; this is an error in the Swift 6 language mode
    |                |- note: add '@MainActor' to make static property 'extendedTypes' part of global actor 'MainActor'
    |                `- note: disable concurrency-safety checks if accesses are protected by an external synchronization mechanism
 95 |         flag: .init(
 96 |             preferred: "--include-extended-types",
/Users/admin/builder/spi-builder-workspace/Sources/SwiftDocCPluginUtilities/DocumentedPluginFlags/DocumentedArgument.swift:106:16: warning: static property 'skipSynthesizedSymbols' is not concurrency-safe because non-'Sendable' type 'DocumentedArgument' may have shared mutable state; this is an error in the Swift 6 language mode
 10 | ///
 11 | /// This may include some arguments (flags or options) that the plugin forwards to the symbol graph extract tool or to DocC.
 12 | struct DocumentedArgument {
    |        `- note: consider making struct 'DocumentedArgument' conform to the 'Sendable' protocol
 13 |     /// A command line argument (flag or option) that is wrapped with documentation.
 14 |     enum Argument {
    :
104 |     ///
105 |     /// `--experimental-skip-synthesized-symbols` produces a DocC archive without compiler-synthesized symbols.
106 |     static let skipSynthesizedSymbols = Self(
    |                |- warning: static property 'skipSynthesizedSymbols' is not concurrency-safe because non-'Sendable' type 'DocumentedArgument' may have shared mutable state; this is an error in the Swift 6 language mode
    |                |- note: add '@MainActor' to make static property 'skipSynthesizedSymbols' part of global actor 'MainActor'
    |                `- note: disable concurrency-safety checks if accesses are protected by an external synchronization mechanism
107 |         flag: .init(preferred: "--experimental-skip-synthesized-symbols"),
108 |         abstract: "Exclude synthesized symbols from the generated documentation.",
/Users/admin/builder/spi-builder-workspace/Sources/SwiftDocCPluginUtilities/DocumentedPluginFlags/DocumentedArgument.swift:115:16: warning: static property 'minimumAccessLevel' is not concurrency-safe because non-'Sendable' type 'DocumentedArgument' may have shared mutable state; this is an error in the Swift 6 language mode
 10 | ///
 11 | /// This may include some arguments (flags or options) that the plugin forwards to the symbol graph extract tool or to DocC.
 12 | struct DocumentedArgument {
    |        `- note: consider making struct 'DocumentedArgument' conform to the 'Sendable' protocol
 13 |     /// A command line argument (flag or option) that is wrapped with documentation.
 14 |     enum Argument {
    :
113 |
114 |     /// The minimum access level that the symbol graph extractor will emit symbols for
115 |     static let minimumAccessLevel = Self(
    |                |- warning: static property 'minimumAccessLevel' is not concurrency-safe because non-'Sendable' type 'DocumentedArgument' may have shared mutable state; this is an error in the Swift 6 language mode
    |                |- note: add '@MainActor' to make static property 'minimumAccessLevel' part of global actor 'MainActor'
    |                `- note: disable concurrency-safety checks if accesses are protected by an external synchronization mechanism
116 |         option: .init(preferred: "--symbol-graph-minimum-access-level"),
117 |         abstract: "Include symbols with this access level or more.",
/Users/admin/builder/spi-builder-workspace/Sources/SwiftDocCPluginUtilities/HelpInformation.swift:17:16: warning: static property '_doccHelp' is not concurrency-safe because it is nonisolated global shared mutable state; this is an error in the Swift 6 language mode
 15 |     ///
 16 |     /// This is defined as a static variable to allow for mocking in tests.
 17 |     static var _doccHelp: (PluginAction, URL) throws -> (String?) = { pluginAction, doccExecutableURL in
    |                |- warning: static property '_doccHelp' is not concurrency-safe because it is nonisolated global shared mutable state; this is an error in the Swift 6 language mode
    |                |- note: convert '_doccHelp' to a 'let' constant to make 'Sendable' shared state immutable
    |                |- note: add '@MainActor' to make static property '_doccHelp' part of global actor 'MainActor'
    |                `- note: disable concurrency-safety checks if accesses are protected by an external synchronization mechanism
 18 |         try Process.runAndCaptureOutput(
 19 |             doccExecutableURL,
/Users/admin/builder/spi-builder-workspace/Sources/SwiftDocCPluginUtilities/HelpInformation.swift:90:24: warning: static property 'convertPluginHelpOverview' is not concurrency-safe because it is nonisolated global shared mutable state; this is an error in the Swift 6 language mode
 88 |     }
 89 |
 90 |     private static var convertPluginHelpOverview = """
    |                        |- warning: static property 'convertPluginHelpOverview' is not concurrency-safe because it is nonisolated global shared mutable state; this is an error in the Swift 6 language mode
    |                        |- note: convert 'convertPluginHelpOverview' to a 'let' constant to make 'Sendable' shared state immutable
    |                        |- note: add '@MainActor' to make static property 'convertPluginHelpOverview' part of global actor 'MainActor'
    |                        `- note: disable concurrency-safety checks if accesses are protected by an external synchronization mechanism
 91 |         OVERVIEW: Creates a Swift-DocC documentation archive from a Swift Package.
 92 |
/Users/admin/builder/spi-builder-workspace/Sources/SwiftDocCPluginUtilities/HelpInformation.swift:107:24: warning: static property 'previewPluginHelpOverview' is not concurrency-safe because it is nonisolated global shared mutable state; this is an error in the Swift 6 language mode
105 |         """
106 |
107 |     private static var previewPluginHelpOverview = """
    |                        |- warning: static property 'previewPluginHelpOverview' is not concurrency-safe because it is nonisolated global shared mutable state; this is an error in the Swift 6 language mode
    |                        |- note: convert 'previewPluginHelpOverview' to a 'let' constant to make 'Sendable' shared state immutable
    |                        |- note: add '@MainActor' to make static property 'previewPluginHelpOverview' part of global actor 'MainActor'
    |                        `- note: disable concurrency-safety checks if accesses are protected by an external synchronization mechanism
108 |         OVERVIEW: Creates and previews a Swift-DocC documentation archive from a Swift Package.
109 |
/Users/admin/builder/spi-builder-workspace/Sources/SwiftDocCPluginUtilities/ParsedArguments.swift:143:16: warning: static property 'fallbackDisplayName' is not concurrency-safe because non-'Sendable' type 'CommandLineArgument.Option' may have shared mutable state; this is an error in the Swift 6 language mode
141 |     ///
142 |     /// The plugin defines this option so that it can pass a default value for older versions of `docc` which require this.
143 |     static let fallbackDisplayName = CommandLineArgument.Option(
    |                |- warning: static property 'fallbackDisplayName' is not concurrency-safe because non-'Sendable' type 'CommandLineArgument.Option' may have shared mutable state; this is an error in the Swift 6 language mode
    |                |- note: add '@MainActor' to make static property 'fallbackDisplayName' part of global actor 'MainActor'
    |                `- note: disable concurrency-safety checks if accesses are protected by an external synchronization mechanism
144 |         preferred: "--fallback-display-name"
145 |     )
/Users/admin/builder/spi-builder-workspace/Sources/SwiftDocCPluginUtilities/CommandLineArguments/CommandLineArgument.swift:85:19: note: consider making struct 'Option' conform to the 'Sendable' protocol
 83 |     ///
 84 |     /// For example: `"--some-option", "value"` or `"--some-option=value"`.
 85 |     public struct Option {
    |                   `- note: consider making struct 'Option' conform to the 'Sendable' protocol
 86 |         /// The names of this command line option.
 87 |         public var names: Names
/Users/admin/builder/spi-builder-workspace/Sources/SwiftDocCPluginUtilities/ParsedArguments.swift:150:16: warning: static property 'fallbackBundleIdentifier' is not concurrency-safe because non-'Sendable' type 'CommandLineArgument.Option' may have shared mutable state; this is an error in the Swift 6 language mode
148 |     ///
149 |     /// The plugin defines this option so that it can pass a default value for older versions of `docc` which require this.
150 |     static let fallbackBundleIdentifier = CommandLineArgument.Option(
    |                |- warning: static property 'fallbackBundleIdentifier' is not concurrency-safe because non-'Sendable' type 'CommandLineArgument.Option' may have shared mutable state; this is an error in the Swift 6 language mode
    |                |- note: add '@MainActor' to make static property 'fallbackBundleIdentifier' part of global actor 'MainActor'
    |                `- note: disable concurrency-safety checks if accesses are protected by an external synchronization mechanism
151 |         preferred: "--fallback-bundle-identifier"
152 |     )
/Users/admin/builder/spi-builder-workspace/Sources/SwiftDocCPluginUtilities/CommandLineArguments/CommandLineArgument.swift:85:19: note: consider making struct 'Option' conform to the 'Sendable' protocol
 83 |     ///
 84 |     /// For example: `"--some-option", "value"` or `"--some-option=value"`.
 85 |     public struct Option {
    |                   `- note: consider making struct 'Option' conform to the 'Sendable' protocol
 86 |         /// The names of this command line option.
 87 |         public var names: Names
/Users/admin/builder/spi-builder-workspace/Sources/SwiftDocCPluginUtilities/ParsedArguments.swift:157:16: warning: static property 'fallbackDefaultModuleKind' is not concurrency-safe because non-'Sendable' type 'CommandLineArgument.Option' may have shared mutable state; this is an error in the Swift 6 language mode
155 |     ///
156 |     /// The plugin defines this option so that it can pass a default value when building documentation for executable targets.
157 |     static let fallbackDefaultModuleKind = CommandLineArgument.Option(
    |                |- warning: static property 'fallbackDefaultModuleKind' is not concurrency-safe because non-'Sendable' type 'CommandLineArgument.Option' may have shared mutable state; this is an error in the Swift 6 language mode
    |                |- note: add '@MainActor' to make static property 'fallbackDefaultModuleKind' part of global actor 'MainActor'
    |                `- note: disable concurrency-safety checks if accesses are protected by an external synchronization mechanism
158 |         preferred: "--fallback-default-module-kind"
159 |     )
/Users/admin/builder/spi-builder-workspace/Sources/SwiftDocCPluginUtilities/CommandLineArguments/CommandLineArgument.swift:85:19: note: consider making struct 'Option' conform to the 'Sendable' protocol
 83 |     ///
 84 |     /// For example: `"--some-option", "value"` or `"--some-option=value"`.
 85 |     public struct Option {
    |                   `- note: consider making struct 'Option' conform to the 'Sendable' protocol
 86 |         /// The names of this command line option.
 87 |         public var names: Names
/Users/admin/builder/spi-builder-workspace/Sources/SwiftDocCPluginUtilities/ParsedArguments.swift:164:16: warning: static property 'additionalSymbolGraphDirectory' is not concurrency-safe because non-'Sendable' type 'CommandLineArgument.Option' may have shared mutable state; this is an error in the Swift 6 language mode
162 |     ///
163 |     /// The plugin defines this option so that it can pass a default value.
164 |     static let additionalSymbolGraphDirectory = CommandLineArgument.Option(
    |                |- warning: static property 'additionalSymbolGraphDirectory' is not concurrency-safe because non-'Sendable' type 'CommandLineArgument.Option' may have shared mutable state; this is an error in the Swift 6 language mode
    |                |- note: add '@MainActor' to make static property 'additionalSymbolGraphDirectory' part of global actor 'MainActor'
    |                `- note: disable concurrency-safety checks if accesses are protected by an external synchronization mechanism
165 |         preferred: "--additional-symbol-graph-dir"
166 |     )
/Users/admin/builder/spi-builder-workspace/Sources/SwiftDocCPluginUtilities/CommandLineArguments/CommandLineArgument.swift:85:19: note: consider making struct 'Option' conform to the 'Sendable' protocol
 83 |     ///
 84 |     /// For example: `"--some-option", "value"` or `"--some-option=value"`.
 85 |     public struct Option {
    |                   `- note: consider making struct 'Option' conform to the 'Sendable' protocol
 86 |         /// The names of this command line option.
 87 |         public var names: Names
/Users/admin/builder/spi-builder-workspace/Sources/SwiftDocCPluginUtilities/ParsedArguments.swift:171:16: warning: static property 'emitLMDBIndex' is not concurrency-safe because non-'Sendable' type 'CommandLineArgument.Flag' may have shared mutable state; this is an error in the Swift 6 language mode
169 |     ///
170 |     /// The plugin defines this flag so that it can pass this flag by default.
171 |     static let emitLMDBIndex = CommandLineArgument.Flag(
    |                |- warning: static property 'emitLMDBIndex' is not concurrency-safe because non-'Sendable' type 'CommandLineArgument.Flag' may have shared mutable state; this is an error in the Swift 6 language mode
    |                |- note: add '@MainActor' to make static property 'emitLMDBIndex' part of global actor 'MainActor'
    |                `- note: disable concurrency-safety checks if accesses are protected by an external synchronization mechanism
172 |         preferred: "--emit-lmdb-index"
173 |     )
/Users/admin/builder/spi-builder-workspace/Sources/SwiftDocCPluginUtilities/CommandLineArguments/CommandLineArgument.swift:63:19: note: consider making struct 'Flag' conform to the 'Sendable' protocol
 61 |     ///
 62 |     /// For example: `"--some-flag"`.
 63 |     public struct Flag {
    |                   `- note: consider making struct 'Flag' conform to the 'Sendable' protocol
 64 |         /// The names of this command line flag.
 65 |         public var names: Names
/Users/admin/builder/spi-builder-workspace/Sources/SwiftDocCPluginUtilities/ParsedArguments.swift:178:16: warning: static property 'outputPath' is not concurrency-safe because non-'Sendable' type 'CommandLineArgument.Option' may have shared mutable state; this is an error in the Swift 6 language mode
176 |     ///
177 |     /// The plugin defines this option so that it can intercept it and support building documentation for multiple targets within one package build command.
178 |     static let outputPath = CommandLineArgument.Option(
    |                |- warning: static property 'outputPath' is not concurrency-safe because non-'Sendable' type 'CommandLineArgument.Option' may have shared mutable state; this is an error in the Swift 6 language mode
    |                |- note: add '@MainActor' to make static property 'outputPath' part of global actor 'MainActor'
    |                `- note: disable concurrency-safety checks if accesses are protected by an external synchronization mechanism
179 |         preferred: "--output-path",
180 |         alternatives: ["--output-dir", "-o"]
/Users/admin/builder/spi-builder-workspace/Sources/SwiftDocCPluginUtilities/CommandLineArguments/CommandLineArgument.swift:85:19: note: consider making struct 'Option' conform to the 'Sendable' protocol
 83 |     ///
 84 |     /// For example: `"--some-option", "value"` or `"--some-option=value"`.
 85 |     public struct Option {
    |                   `- note: consider making struct 'Option' conform to the 'Sendable' protocol
 86 |         /// The names of this command line option.
 87 |         public var names: Names
/Users/admin/builder/spi-builder-workspace/Sources/SwiftDocCPluginUtilities/ParsedArguments.swift:186:16: warning: static property 'enableExternalLinkSupport' is not concurrency-safe because non-'Sendable' type 'CommandLineArgument.Flag' may have shared mutable state; this is an error in the Swift 6 language mode
184 |     ///
185 |     /// The plugin defines this flag so that it can specify documentation dependencies based on target dependencies when building combined documentation for multiple targets.
186 |     static let enableExternalLinkSupport = CommandLineArgument.Flag(
    |                |- warning: static property 'enableExternalLinkSupport' is not concurrency-safe because non-'Sendable' type 'CommandLineArgument.Flag' may have shared mutable state; this is an error in the Swift 6 language mode
    |                |- note: add '@MainActor' to make static property 'enableExternalLinkSupport' part of global actor 'MainActor'
    |                `- note: disable concurrency-safety checks if accesses are protected by an external synchronization mechanism
187 |         preferred: "--enable-experimental-external-link-support"
188 |     )
/Users/admin/builder/spi-builder-workspace/Sources/SwiftDocCPluginUtilities/CommandLineArguments/CommandLineArgument.swift:63:19: note: consider making struct 'Flag' conform to the 'Sendable' protocol
 61 |     ///
 62 |     /// For example: `"--some-flag"`.
 63 |     public struct Flag {
    |                   `- note: consider making struct 'Flag' conform to the 'Sendable' protocol
 64 |         /// The names of this command line flag.
 65 |         public var names: Names
/Users/admin/builder/spi-builder-workspace/Sources/SwiftDocCPluginUtilities/ParsedArguments.swift:193:16: warning: static property 'externalLinkDependency' is not concurrency-safe because non-'Sendable' type 'CommandLineArgument.Option' may have shared mutable state; this is an error in the Swift 6 language mode
191 |     ///
192 |     /// The plugin defines this option so that it can specify documentation dependencies based on target dependencies when building combined documentation for multiple targets.
193 |     static let externalLinkDependency = CommandLineArgument.Option(
    |                |- warning: static property 'externalLinkDependency' is not concurrency-safe because non-'Sendable' type 'CommandLineArgument.Option' may have shared mutable state; this is an error in the Swift 6 language mode
    |                |- note: add '@MainActor' to make static property 'externalLinkDependency' part of global actor 'MainActor'
    |                `- note: disable concurrency-safety checks if accesses are protected by an external synchronization mechanism
194 |         preferred: "--dependency",
195 |         kind: .arrayOfValues
/Users/admin/builder/spi-builder-workspace/Sources/SwiftDocCPluginUtilities/CommandLineArguments/CommandLineArgument.swift:85:19: note: consider making struct 'Option' conform to the 'Sendable' protocol
 83 |     ///
 84 |     /// For example: `"--some-option", "value"` or `"--some-option=value"`.
 85 |     public struct Option {
    |                   `- note: consider making struct 'Option' conform to the 'Sendable' protocol
 86 |         /// The names of this command line option.
 87 |         public var names: Names
/Users/admin/builder/spi-builder-workspace/Sources/SwiftDocCPluginUtilities/ParsedArguments.swift:201:16: warning: static property 'synthesizedLandingPageName' is not concurrency-safe because non-'Sendable' type 'CommandLineArgument.Option' may have shared mutable state; this is an error in the Swift 6 language mode
199 |     ///
200 |     /// The plugin defines this option so that it can specify the package name as the display name of the default landing page when building combined documentation for multiple targets.
201 |     static let synthesizedLandingPageName = CommandLineArgument.Option(
    |                |- warning: static property 'synthesizedLandingPageName' is not concurrency-safe because non-'Sendable' type 'CommandLineArgument.Option' may have shared mutable state; this is an error in the Swift 6 language mode
    |                |- note: add '@MainActor' to make static property 'synthesizedLandingPageName' part of global actor 'MainActor'
    |                `- note: disable concurrency-safety checks if accesses are protected by an external synchronization mechanism
202 |         preferred: "--synthesized-landing-page-name"
203 |     )
/Users/admin/builder/spi-builder-workspace/Sources/SwiftDocCPluginUtilities/CommandLineArguments/CommandLineArgument.swift:85:19: note: consider making struct 'Option' conform to the 'Sendable' protocol
 83 |     ///
 84 |     /// For example: `"--some-option", "value"` or `"--some-option=value"`.
 85 |     public struct Option {
    |                   `- note: consider making struct 'Option' conform to the 'Sendable' protocol
 86 |         /// The names of this command line option.
 87 |         public var names: Names
/Users/admin/builder/spi-builder-workspace/Sources/SwiftDocCPluginUtilities/ParsedArguments.swift:208:16: warning: static property 'synthesizedLandingPageKind' is not concurrency-safe because non-'Sendable' type 'CommandLineArgument.Option' may have shared mutable state; this is an error in the Swift 6 language mode
206 |     ///
207 |     /// The plugin defines this option so that it can specify "Package" as the kind of the default landing page when building combined documentation for multiple targets.
208 |     static let synthesizedLandingPageKind = CommandLineArgument.Option(
    |                |- warning: static property 'synthesizedLandingPageKind' is not concurrency-safe because non-'Sendable' type 'CommandLineArgument.Option' may have shared mutable state; this is an error in the Swift 6 language mode
    |                |- note: add '@MainActor' to make static property 'synthesizedLandingPageKind' part of global actor 'MainActor'
    |                `- note: disable concurrency-safety checks if accesses are protected by an external synchronization mechanism
209 |         preferred: "--synthesized-landing-page-kind"
210 |     )
/Users/admin/builder/spi-builder-workspace/Sources/SwiftDocCPluginUtilities/CommandLineArguments/CommandLineArgument.swift:85:19: note: consider making struct 'Option' conform to the 'Sendable' protocol
 83 |     ///
 84 |     /// For example: `"--some-option", "value"` or `"--some-option=value"`.
 85 |     public struct Option {
    |                   `- note: consider making struct 'Option' conform to the 'Sendable' protocol
 86 |         /// The names of this command line option.
 87 |         public var names: Names
[50/138] Compiling SymbolKit LineList.swift
/Users/admin/builder/spi-builder-workspace/Sources/SwiftDocCPluginUtilities/HelpInformation.swift:17:16: warning: static property '_doccHelp' is not concurrency-safe because it is nonisolated global shared mutable state; this is an error in the Swift 6 language mode
 15 |     ///
 16 |     /// This is defined as a static variable to allow for mocking in tests.
 17 |     static var _doccHelp: (PluginAction, URL) throws -> (String?) = { pluginAction, doccExecutableURL in
    |                |- warning: static property '_doccHelp' is not concurrency-safe because it is nonisolated global shared mutable state; this is an error in the Swift 6 language mode
    |                |- note: convert '_doccHelp' to a 'let' constant to make 'Sendable' shared state immutable
    |                |- note: add '@MainActor' to make static property '_doccHelp' part of global actor 'MainActor'
    |                `- note: disable concurrency-safety checks if accesses are protected by an external synchronization mechanism
 18 |         try Process.runAndCaptureOutput(
 19 |             doccExecutableURL,
/Users/admin/builder/spi-builder-workspace/Sources/SwiftDocCPluginUtilities/HelpInformation.swift:90:24: warning: static property 'convertPluginHelpOverview' is not concurrency-safe because it is nonisolated global shared mutable state; this is an error in the Swift 6 language mode
 88 |     }
 89 |
 90 |     private static var convertPluginHelpOverview = """
    |                        |- warning: static property 'convertPluginHelpOverview' is not concurrency-safe because it is nonisolated global shared mutable state; this is an error in the Swift 6 language mode
    |                        |- note: convert 'convertPluginHelpOverview' to a 'let' constant to make 'Sendable' shared state immutable
    |                        |- note: add '@MainActor' to make static property 'convertPluginHelpOverview' part of global actor 'MainActor'
    |                        `- note: disable concurrency-safety checks if accesses are protected by an external synchronization mechanism
 91 |         OVERVIEW: Creates a Swift-DocC documentation archive from a Swift Package.
 92 |
/Users/admin/builder/spi-builder-workspace/Sources/SwiftDocCPluginUtilities/HelpInformation.swift:107:24: warning: static property 'previewPluginHelpOverview' is not concurrency-safe because it is nonisolated global shared mutable state; this is an error in the Swift 6 language mode
105 |         """
106 |
107 |     private static var previewPluginHelpOverview = """
    |                        |- warning: static property 'previewPluginHelpOverview' is not concurrency-safe because it is nonisolated global shared mutable state; this is an error in the Swift 6 language mode
    |                        |- note: convert 'previewPluginHelpOverview' to a 'let' constant to make 'Sendable' shared state immutable
    |                        |- note: add '@MainActor' to make static property 'previewPluginHelpOverview' part of global actor 'MainActor'
    |                        `- note: disable concurrency-safety checks if accesses are protected by an external synchronization mechanism
108 |         OVERVIEW: Creates and previews a Swift-DocC documentation archive from a Swift Package.
109 |
[51/138] Compiling SymbolKit Position.swift
/Users/admin/builder/spi-builder-workspace/Sources/SwiftDocCPluginUtilities/HelpInformation.swift:17:16: warning: static property '_doccHelp' is not concurrency-safe because it is nonisolated global shared mutable state; this is an error in the Swift 6 language mode
 15 |     ///
 16 |     /// This is defined as a static variable to allow for mocking in tests.
 17 |     static var _doccHelp: (PluginAction, URL) throws -> (String?) = { pluginAction, doccExecutableURL in
    |                |- warning: static property '_doccHelp' is not concurrency-safe because it is nonisolated global shared mutable state; this is an error in the Swift 6 language mode
    |                |- note: convert '_doccHelp' to a 'let' constant to make 'Sendable' shared state immutable
    |                |- note: add '@MainActor' to make static property '_doccHelp' part of global actor 'MainActor'
    |                `- note: disable concurrency-safety checks if accesses are protected by an external synchronization mechanism
 18 |         try Process.runAndCaptureOutput(
 19 |             doccExecutableURL,
/Users/admin/builder/spi-builder-workspace/Sources/SwiftDocCPluginUtilities/HelpInformation.swift:90:24: warning: static property 'convertPluginHelpOverview' is not concurrency-safe because it is nonisolated global shared mutable state; this is an error in the Swift 6 language mode
 88 |     }
 89 |
 90 |     private static var convertPluginHelpOverview = """
    |                        |- warning: static property 'convertPluginHelpOverview' is not concurrency-safe because it is nonisolated global shared mutable state; this is an error in the Swift 6 language mode
    |                        |- note: convert 'convertPluginHelpOverview' to a 'let' constant to make 'Sendable' shared state immutable
    |                        |- note: add '@MainActor' to make static property 'convertPluginHelpOverview' part of global actor 'MainActor'
    |                        `- note: disable concurrency-safety checks if accesses are protected by an external synchronization mechanism
 91 |         OVERVIEW: Creates a Swift-DocC documentation archive from a Swift Package.
 92 |
/Users/admin/builder/spi-builder-workspace/Sources/SwiftDocCPluginUtilities/HelpInformation.swift:107:24: warning: static property 'previewPluginHelpOverview' is not concurrency-safe because it is nonisolated global shared mutable state; this is an error in the Swift 6 language mode
105 |         """
106 |
107 |     private static var previewPluginHelpOverview = """
    |                        |- warning: static property 'previewPluginHelpOverview' is not concurrency-safe because it is nonisolated global shared mutable state; this is an error in the Swift 6 language mode
    |                        |- note: convert 'previewPluginHelpOverview' to a 'let' constant to make 'Sendable' shared state immutable
    |                        |- note: add '@MainActor' to make static property 'previewPluginHelpOverview' part of global actor 'MainActor'
    |                        `- note: disable concurrency-safety checks if accesses are protected by an external synchronization mechanism
108 |         OVERVIEW: Creates and previews a Swift-DocC documentation archive from a Swift Package.
109 |
[52/138] Compiling Snippets SnippetParser.swift
[53/138] Compiling Snippets SnippetLanguage.swift
[54/138] Emitting module Snippets
[55/138] Compiling Snippets Snippet.swift
[61/138] Compiling SymbolKit GenericConstraint.swift
[62/138] Compiling SymbolKit GenericParameter.swift
[63/138] Compiling SymbolKit Generics.swift
[64/138] Compiling SymbolKit Namespace.swift
[65/138] Compiling SymbolKit Names.swift
[66/138] Compiling SymbolKit SPI.swift
[67/138] Compiling SymbolKit Snippet.swift
[68/138] Compiling SymbolKit Extension.swift
[69/138] Compiling SymbolKit Symbol.swift
[70/138] Compiling SymbolKit SymbolKind.swift
[71/138] Compiling SymbolKit SymbolGraph.swift
[72/138] Compiling SymbolKit GraphCollector.swift
[75/138] Compiling SymbolKit SourceOrigin.swift
[76/138] Compiling SymbolKit GenericConstraints.swift
[77/138] Compiling SymbolKit Swift.swift
[104/138] Emitting module SymbolKit
[125/138] Compiling SymbolKit UnifiedSymbol+Encodable.swift
[126/138] Compiling SymbolKit UnifiedSymbol.swift
[127/138] Compiling SymbolKit UnifiedSymbolGraph+Encodable.swift
[128/138] Compiling SymbolKit UnifiedSymbolGraph.swift
[129/142] Compiling snippet_extract URL+Status.swift
[130/142] Compiling snippet_extract SymbolGraph+Snippet.swift
[135/142] Emitting module snippet_extract
[136/142] Compiling snippet_extract SnippetBuildCommand.swift
[136/142] Write Objects.LinkFileList
[138/146] Compiling snippet_extract URL+Status.swift
[139/146] Compiling snippet_extract SymbolGraph+Snippet.swift
[140/146] Compiling snippet_extract SnippetBuildCommand.swift
[141/146] Emitting module snippet_extract
[141/146] Linking snippet-extract
[142/146] Write Objects.LinkFileList
[143/146] Applying snippet-extract
[144/146] Linking snippet-extract-tool
[145/146] Applying snippet-extract-tool
Build complete! (19.02s)
Fetching https://github.com/swiftlang/swift-docc-symbolkit from cache
Fetched https://github.com/swiftlang/swift-docc-symbolkit from cache (0.93s)
Computing version for https://github.com/swiftlang/swift-docc-symbolkit
Computed https://github.com/swiftlang/swift-docc-symbolkit at 1.0.0 (1.61s)
Creating working copy for https://github.com/swiftlang/swift-docc-symbolkit
Working copy of https://github.com/swiftlang/swift-docc-symbolkit resolved at 1.0.0
Build complete.
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Done.