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Track the adoption of Swift 6 strict concurrency checks for data race safety. How many packages are Ready for Swift 6?

Build Information

Successful build of Mecab-Swift, reference master (1f0964), with Swift 6.0 for macOS (SPM) on 31 Mar 2025 09:23:29 UTC.

Swift 6 data race errors: 4

Build Command

env DEVELOPER_DIR=/Applications/Xcode-16.2.0.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: 4.60.1
Interrupt handler set up.
========================================
Checkout
========================================
Clone URL: https://github.com/shinjukunian/Mecab-Swift.git
Reference: master
Initialized empty Git repository in /Users/admin/builder/spi-builder-workspace/.git/
From https://github.com/shinjukunian/Mecab-Swift
 * branch            master     -> FETCH_HEAD
 * [new branch]      master     -> origin/master
HEAD is now at 1f09649 fixed test
Submodule path 'Sources/mecab': checked out 'aa318f82798d72e5cb52ba5f6b10f0b780b30d05'
Submodule 'Sources/mecab' (https://github.com/shinjukunian/mecab.git) registered for path 'Sources/mecab'
Cloning into '/Users/admin/builder/spi-builder-workspace/Sources/mecab'...
Cloned https://github.com/shinjukunian/Mecab-Swift.git
Revision (git rev-parse @):
1f096492e37fc05fc2e7304091f54889974c5368
SUCCESS checkout https://github.com/shinjukunian/Mecab-Swift.git at master
========================================
ResolveProductDependencies
========================================
Resolving dependencies ...
{
  "identity": ".resolve-product-dependencies",
  "name": "resolve-dependencies",
  "url": "/Users/admin/builder/spi-builder-workspace/.resolve-product-dependencies",
  "version": "unspecified",
  "path": "/Users/admin/builder/spi-builder-workspace/.resolve-product-dependencies",
  "dependencies": [
    {
      "identity": "mecab-swift",
      "name": "Mecab-Swift",
      "url": "https://github.com/shinjukunian/Mecab-Swift.git",
      "version": "unspecified",
      "path": "/Users/admin/builder/spi-builder-workspace/.resolve-product-dependencies/.build/checkouts/Mecab-Swift",
      "dependencies": [
      ]
    }
  ]
}
Fetching https://github.com/shinjukunian/Mecab-Swift.git
[1/697] Fetching mecab-swift
Fetched https://github.com/shinjukunian/Mecab-Swift.git from cache (3.84s)
Creating working copy for https://github.com/shinjukunian/Mecab-Swift.git
Working copy of https://github.com/shinjukunian/Mecab-Swift.git resolved at master (1f09649)
warning: '.resolve-product-dependencies': dependency 'mecab-swift' is not used by any target
Found 0 product dependencies
========================================
Build
========================================
Selected platform:         macosSpm
Swift version:             6.0
Building package at path:  $PWD
https://github.com/shinjukunian/Mecab-Swift.git
https://github.com/shinjukunian/Mecab-Swift.git
{
  "default_localization" : "en",
  "dependencies" : [
  ],
  "manifest_display_name" : "Mecab-Swift",
  "name" : "Mecab-Swift",
  "path" : "/Users/admin/builder/spi-builder-workspace",
  "platforms" : [
    {
      "name" : "macos",
      "version" : "10.11"
    }
  ],
  "products" : [
    {
      "name" : "Mecab-Swift",
      "targets" : [
        "Mecab-Swift"
      ],
      "type" : {
        "library" : [
          "automatic"
        ]
      }
    },
    {
      "name" : "IPADic",
      "targets" : [
        "IPADic"
      ],
      "type" : {
        "library" : [
          "automatic"
        ]
      }
    },
    {
      "name" : "CharacterFilter",
      "targets" : [
        "CharacterFilter"
      ],
      "type" : {
        "library" : [
          "automatic"
        ]
      }
    },
    {
      "name" : "StringTools",
      "targets" : [
        "StringTools"
      ],
      "type" : {
        "library" : [
          "automatic"
        ]
      }
    }
  ],
  "targets" : [
    {
      "c99name" : "mecab",
      "module_type" : "ClangTarget",
      "name" : "mecab",
      "path" : "Sources/mecab/mecab",
      "product_memberships" : [
        "Mecab-Swift"
      ],
      "resources" : [
        {
          "path" : "/Users/admin/builder/spi-builder-workspace/Sources/mecab/mecab/BSD",
          "rule" : {
            "copy" : {
            }
          }
        },
        {
          "path" : "/Users/admin/builder/spi-builder-workspace/Sources/mecab/mecab/COPYING",
          "rule" : {
            "copy" : {
            }
          }
        }
      ],
      "sources" : [
        "src/char_property.cpp",
        "src/connector.cpp",
        "src/context_id.cpp",
        "src/dictionary.cpp",
        "src/dictionary_compiler.cpp",
        "src/dictionary_generator.cpp",
        "src/dictionary_rewriter.cpp",
        "src/eval.cpp",
        "src/feature_index.cpp",
        "src/iconv_utils.cpp",
        "src/lbfgs.cpp",
        "src/learner.cpp",
        "src/learner_tagger.cpp",
        "src/libmecab.cpp",
        "src/nbest_generator.cpp",
        "src/param.cpp",
        "src/string_buffer.cpp",
        "src/tagger.cpp",
        "src/tokenizer.cpp",
        "src/utils.cpp",
        "src/viterbi.cpp",
        "src/writer.cpp"
      ],
      "type" : "library"
    },
    {
      "c99name" : "StringToolsTests",
      "module_type" : "SwiftTarget",
      "name" : "StringToolsTests",
      "path" : "Tests/StringToolsTests",
      "sources" : [
        "StringToolsTests.swift"
      ],
      "target_dependencies" : [
        "StringTools"
      ],
      "type" : "test"
    },
    {
      "c99name" : "StringTools",
      "module_type" : "SwiftTarget",
      "name" : "StringTools",
      "path" : "Sources/StringTools",
      "product_memberships" : [
        "Mecab-Swift",
        "StringTools"
      ],
      "sources" : [
        "FuriganaAnnotating.swift",
        "FuriganaAnnotation.swift",
        "String+ScriptType.swift",
        "String+SystemTokenizer.swift",
        "String+Transliteration.swift"
      ],
      "type" : "library"
    },
    {
      "c99name" : "Mecab_SwiftTests",
      "module_type" : "SwiftTarget",
      "name" : "Mecab-SwiftTests",
      "path" : "Tests/Mecab-SwiftTests",
      "resources" : [
        {
          "path" : "/Users/admin/builder/spi-builder-workspace/Tests/Mecab-SwiftTests/Resources/helicobacter.html",
          "rule" : {
            "copy" : {
            }
          }
        }
      ],
      "sources" : [
        "Mecab_SwiftTests.swift",
        "XCTestManifests.swift"
      ],
      "target_dependencies" : [
        "Mecab-Swift",
        "CharacterFilter",
        "IPADic"
      ],
      "type" : "test"
    },
    {
      "c99name" : "Mecab_Swift",
      "module_type" : "SwiftTarget",
      "name" : "Mecab-Swift",
      "path" : "Sources/Mecab-Swift",
      "product_memberships" : [
        "Mecab-Swift"
      ],
      "sources" : [
        "Annotation.swift",
        "AnnotationOptions.swift",
        "SystemDictionary.swift",
        "Token.swift",
        "Tokenizer+SystemTokenizer.swift",
        "Tokenizer.swift"
      ],
      "target_dependencies" : [
        "mecab",
        "StringTools",
        "Dictionary"
      ],
      "type" : "library"
    },
    {
      "c99name" : "IPADic",
      "module_type" : "SwiftTarget",
      "name" : "IPADic",
      "path" : "Sources/IPADic",
      "product_memberships" : [
        "IPADic"
      ],
      "resources" : [
        {
          "path" : "/Users/admin/builder/spi-builder-workspace/Sources/IPADic/ipadic dictionary",
          "rule" : {
            "copy" : {
            }
          }
        }
      ],
      "sources" : [
        "IPADic.swift"
      ],
      "target_dependencies" : [
        "Dictionary"
      ],
      "type" : "library"
    },
    {
      "c99name" : "Dictionary",
      "module_type" : "SwiftTarget",
      "name" : "Dictionary",
      "path" : "Sources/Dictionary",
      "product_memberships" : [
        "Mecab-Swift",
        "IPADic"
      ],
      "sources" : [
        "Dictionary.swift",
        "PartOfSpeech.swift"
      ],
      "type" : "library"
    },
    {
      "c99name" : "CharacterFilter",
      "module_type" : "SwiftTarget",
      "name" : "CharacterFilter",
      "path" : "Sources/CharacterFilter",
      "product_memberships" : [
        "CharacterFilter"
      ],
      "resources" : [
        {
          "path" : "/Users/admin/builder/spi-builder-workspace/Sources/CharacterFilter/Resources/Base.lproj/Localizable.strings",
          "rule" : {
            "process" : {
              "localization" : "Base"
            }
          }
        },
        {
          "path" : "/Users/admin/builder/spi-builder-workspace/Sources/CharacterFilter/Resources/de.lproj/Localizable.strings",
          "rule" : {
            "process" : {
              "localization" : "de"
            }
          }
        },
        {
          "path" : "/Users/admin/builder/spi-builder-workspace/Sources/CharacterFilter/Resources/en.lproj/Localizable.strings",
          "rule" : {
            "process" : {
              "localization" : "en"
            }
          }
        },
        {
          "path" : "/Users/admin/builder/spi-builder-workspace/Sources/CharacterFilter/Resources/ja.lproj/Localizable.strings",
          "rule" : {
            "process" : {
              "localization" : "ja"
            }
          }
        }
      ],
      "sources" : [
        "CharacterFilter.swift",
        "JPLTCharacters.swift",
        "SchoolYearCharacters.swift"
      ],
      "type" : "library"
    }
  ],
  "tools_version" : "5.3"
}
Running build ...
env DEVELOPER_DIR=/Applications/Xcode-16.2.0.app xcrun swift build --arch arm64 -Xswiftc -Xfrontend -Xswiftc -stats-output-dir -Xswiftc -Xfrontend -Xswiftc .stats -Xswiftc -strict-concurrency=complete -Xswiftc -enable-upcoming-feature -Xswiftc StrictConcurrency -Xswiftc -enable-upcoming-feature -Xswiftc DisableOutwardActorInference -Xswiftc -enable-upcoming-feature -Xswiftc GlobalActorIsolatedTypesUsability -Xswiftc -enable-upcoming-feature -Xswiftc InferSendableFromCaptures
Building for debugging...
[0/38] Write sources
[2/38] Copying Localizable.strings
[2/38] Copying BSD
[2/38] Copying Info.plist
[3/38] Copying COPYING
[3/38] Copying Info.plist
[5/38] Copying Localizable.strings
[9/38] Copying Info.plist
[10/38] Write sources
[13/38] Copying Localizable.strings
[14/38] Copying ipadic dictionary
[15/38] Write swift-version-5BDAB9E9C0126B9D.txt
/Users/admin/builder/spi-builder-workspace/Sources/mecab/mecab/src/writer.cpp:253:61: warning: adding 'const char' to a string does not append to the string [-Wstring-plus-int]
  253 |             const std::string error = "unknown meta char: " + *p;
      |                                       ~~~~~~~~~~~~~~~~~~~~~~^~~~
/Users/admin/builder/spi-builder-workspace/Sources/mecab/mecab/src/writer.cpp:253:61: note: use array indexing to silence this warning
  253 |             const std::string error = "unknown meta char: " + *p;
      |                                                             ^
      |                                       &                     [   ]
1 warning generated.
[16/38] Compiling writer.cpp
[16/38] Compiling nbest_generator.cpp
[16/38] Compiling string_buffer.cpp
[19/38] Compiling utils.cpp
[19/38] Compiling libmecab.cpp
[21/38] Compiling param.cpp
[22/52] Compiling viterbi.cpp
[23/52] Compiling learner_tagger.cpp
[24/52] Compiling tokenizer.cpp
[25/52] Compiling tagger.cpp
[26/52] Compiling lbfgs.cpp
[27/52] Compiling iconv_utils.cpp
[28/52] Compiling dictionary_rewriter.cpp
[29/52] Compiling eval.cpp
[30/52] Compiling learner.cpp
[31/52] Compiling feature_index.cpp
[32/52] Compiling dictionary_generator.cpp
[33/52] Compiling dictionary_compiler.cpp
[34/52] Compiling context_id.cpp
[35/52] Compiling connector.cpp
[36/52] Compiling dictionary.cpp
[37/52] Compiling char_property.cpp
[39/52] Compiling Dictionary Dictionary.swift
[40/52] Compiling Dictionary PartOfSpeech.swift
[41/52] Emitting module Dictionary
[42/52] Compiling CharacterFilter SchoolYearCharacters.swift
[43/52] Compiling CharacterFilter CharacterFilter.swift
[44/52] Emitting module CharacterFilter
[45/52] Compiling CharacterFilter resource_bundle_accessor.swift
[46/52] Compiling CharacterFilter JPLTCharacters.swift
[47/52] Compiling StringTools FuriganaAnnotating.swift
[48/52] Compiling StringTools String+SystemTokenizer.swift
[49/52] Compiling StringTools String+ScriptType.swift
/Users/admin/builder/spi-builder-workspace/Sources/StringTools/String+ScriptType.swift:15:27: warning: static property 'noJapaneseScript' is not concurrency-safe because non-'Sendable' type 'String.ScriptType' may have shared mutable state; this is an error in the Swift 6 language mode
 10 |
 11 | public extension String{
 12 |     struct  ScriptType:OptionSet{
    |             `- note: consider making struct 'ScriptType' conform to the 'Sendable' protocol
 13 |         public let rawValue: Int
 14 |
 15 |         public static let noJapaneseScript=ScriptType(rawValue: 1 << 0)
    |                           |- warning: static property 'noJapaneseScript' is not concurrency-safe because non-'Sendable' type 'String.ScriptType' may have shared mutable state; this is an error in the Swift 6 language mode
    |                           |- note: annotate 'noJapaneseScript' with '@MainActor' if property should only be accessed from the main actor
    |                           `- note: disable concurrency-safety checks if accesses are protected by an external synchronization mechanism
 16 |         public static let hiragana=ScriptType(rawValue: 1 << 1)
 17 |         public static let katakana=ScriptType(rawValue: 1<<2)
/Users/admin/builder/spi-builder-workspace/Sources/StringTools/String+ScriptType.swift:16:27: warning: static property 'hiragana' is not concurrency-safe because non-'Sendable' type 'String.ScriptType' may have shared mutable state; this is an error in the Swift 6 language mode
 10 |
 11 | public extension String{
 12 |     struct  ScriptType:OptionSet{
    |             `- note: consider making struct 'ScriptType' conform to the 'Sendable' protocol
 13 |         public let rawValue: Int
 14 |
 15 |         public static let noJapaneseScript=ScriptType(rawValue: 1 << 0)
 16 |         public static let hiragana=ScriptType(rawValue: 1 << 1)
    |                           |- warning: static property 'hiragana' is not concurrency-safe because non-'Sendable' type 'String.ScriptType' may have shared mutable state; this is an error in the Swift 6 language mode
    |                           |- note: annotate 'hiragana' with '@MainActor' if property should only be accessed from the main actor
    |                           `- note: disable concurrency-safety checks if accesses are protected by an external synchronization mechanism
 17 |         public static let katakana=ScriptType(rawValue: 1<<2)
 18 |         public static let kanji=ScriptType(rawValue: 1<<3)
/Users/admin/builder/spi-builder-workspace/Sources/StringTools/String+ScriptType.swift:17:27: warning: static property 'katakana' is not concurrency-safe because non-'Sendable' type 'String.ScriptType' may have shared mutable state; this is an error in the Swift 6 language mode
 10 |
 11 | public extension String{
 12 |     struct  ScriptType:OptionSet{
    |             `- note: consider making struct 'ScriptType' conform to the 'Sendable' protocol
 13 |         public let rawValue: Int
 14 |
 15 |         public static let noJapaneseScript=ScriptType(rawValue: 1 << 0)
 16 |         public static let hiragana=ScriptType(rawValue: 1 << 1)
 17 |         public static let katakana=ScriptType(rawValue: 1<<2)
    |                           |- warning: static property 'katakana' is not concurrency-safe because non-'Sendable' type 'String.ScriptType' may have shared mutable state; this is an error in the Swift 6 language mode
    |                           |- note: annotate 'katakana' with '@MainActor' if property should only be accessed from the main actor
    |                           `- note: disable concurrency-safety checks if accesses are protected by an external synchronization mechanism
 18 |         public static let kanji=ScriptType(rawValue: 1<<3)
 19 |
/Users/admin/builder/spi-builder-workspace/Sources/StringTools/String+ScriptType.swift:18:27: warning: static property 'kanji' is not concurrency-safe because non-'Sendable' type 'String.ScriptType' may have shared mutable state; this is an error in the Swift 6 language mode
 10 |
 11 | public extension String{
 12 |     struct  ScriptType:OptionSet{
    |             `- note: consider making struct 'ScriptType' conform to the 'Sendable' protocol
 13 |         public let rawValue: Int
 14 |
    :
 16 |         public static let hiragana=ScriptType(rawValue: 1 << 1)
 17 |         public static let katakana=ScriptType(rawValue: 1<<2)
 18 |         public static let kanji=ScriptType(rawValue: 1<<3)
    |                           |- warning: static property 'kanji' is not concurrency-safe because non-'Sendable' type 'String.ScriptType' may have shared mutable state; this is an error in the Swift 6 language mode
    |                           |- note: annotate 'kanji' with '@MainActor' if property should only be accessed from the main actor
    |                           `- note: disable concurrency-safety checks if accesses are protected by an external synchronization mechanism
 19 |
 20 |         public init(rawValue:Int){
[50/52] Compiling StringTools String+Transliteration.swift
/Users/admin/builder/spi-builder-workspace/Sources/StringTools/String+ScriptType.swift:16:27: warning: static property 'hiragana' is not concurrency-safe because non-'Sendable' type 'String.ScriptType' may have shared mutable state; this is an error in the Swift 6 language mode
 10 |
 11 | public extension String{
 12 |     struct  ScriptType:OptionSet{
    |             `- note: consider making struct 'ScriptType' conform to the 'Sendable' protocol
 13 |         public let rawValue: Int
 14 |
 15 |         public static let noJapaneseScript=ScriptType(rawValue: 1 << 0)
 16 |         public static let hiragana=ScriptType(rawValue: 1 << 1)
    |                           |- warning: static property 'hiragana' is not concurrency-safe because non-'Sendable' type 'String.ScriptType' may have shared mutable state; this is an error in the Swift 6 language mode
    |                           |- note: annotate 'hiragana' with '@MainActor' if property should only be accessed from the main actor
    |                           `- note: disable concurrency-safety checks if accesses are protected by an external synchronization mechanism
 17 |         public static let katakana=ScriptType(rawValue: 1<<2)
 18 |         public static let kanji=ScriptType(rawValue: 1<<3)
/Users/admin/builder/spi-builder-workspace/Sources/StringTools/String+ScriptType.swift:17:27: warning: static property 'katakana' is not concurrency-safe because non-'Sendable' type 'String.ScriptType' may have shared mutable state; this is an error in the Swift 6 language mode
 10 |
 11 | public extension String{
 12 |     struct  ScriptType:OptionSet{
    |             `- note: consider making struct 'ScriptType' conform to the 'Sendable' protocol
 13 |         public let rawValue: Int
 14 |
 15 |         public static let noJapaneseScript=ScriptType(rawValue: 1 << 0)
 16 |         public static let hiragana=ScriptType(rawValue: 1 << 1)
 17 |         public static let katakana=ScriptType(rawValue: 1<<2)
    |                           |- warning: static property 'katakana' is not concurrency-safe because non-'Sendable' type 'String.ScriptType' may have shared mutable state; this is an error in the Swift 6 language mode
    |                           |- note: annotate 'katakana' with '@MainActor' if property should only be accessed from the main actor
    |                           `- note: disable concurrency-safety checks if accesses are protected by an external synchronization mechanism
 18 |         public static let kanji=ScriptType(rawValue: 1<<3)
 19 |
[51/52] Emitting module StringTools
/Users/admin/builder/spi-builder-workspace/Sources/StringTools/String+ScriptType.swift:15:27: warning: static property 'noJapaneseScript' is not concurrency-safe because non-'Sendable' type 'String.ScriptType' may have shared mutable state; this is an error in the Swift 6 language mode
 10 |
 11 | public extension String{
 12 |     struct  ScriptType:OptionSet{
    |             `- note: consider making struct 'ScriptType' conform to the 'Sendable' protocol
 13 |         public let rawValue: Int
 14 |
 15 |         public static let noJapaneseScript=ScriptType(rawValue: 1 << 0)
    |                           |- warning: static property 'noJapaneseScript' is not concurrency-safe because non-'Sendable' type 'String.ScriptType' may have shared mutable state; this is an error in the Swift 6 language mode
    |                           |- note: annotate 'noJapaneseScript' with '@MainActor' if property should only be accessed from the main actor
    |                           `- note: disable concurrency-safety checks if accesses are protected by an external synchronization mechanism
 16 |         public static let hiragana=ScriptType(rawValue: 1 << 1)
 17 |         public static let katakana=ScriptType(rawValue: 1<<2)
/Users/admin/builder/spi-builder-workspace/Sources/StringTools/String+ScriptType.swift:16:27: warning: static property 'hiragana' is not concurrency-safe because non-'Sendable' type 'String.ScriptType' may have shared mutable state; this is an error in the Swift 6 language mode
 10 |
 11 | public extension String{
 12 |     struct  ScriptType:OptionSet{
    |             `- note: consider making struct 'ScriptType' conform to the 'Sendable' protocol
 13 |         public let rawValue: Int
 14 |
 15 |         public static let noJapaneseScript=ScriptType(rawValue: 1 << 0)
 16 |         public static let hiragana=ScriptType(rawValue: 1 << 1)
    |                           |- warning: static property 'hiragana' is not concurrency-safe because non-'Sendable' type 'String.ScriptType' may have shared mutable state; this is an error in the Swift 6 language mode
    |                           |- note: annotate 'hiragana' with '@MainActor' if property should only be accessed from the main actor
    |                           `- note: disable concurrency-safety checks if accesses are protected by an external synchronization mechanism
 17 |         public static let katakana=ScriptType(rawValue: 1<<2)
 18 |         public static let kanji=ScriptType(rawValue: 1<<3)
/Users/admin/builder/spi-builder-workspace/Sources/StringTools/String+ScriptType.swift:17:27: warning: static property 'katakana' is not concurrency-safe because non-'Sendable' type 'String.ScriptType' may have shared mutable state; this is an error in the Swift 6 language mode
 10 |
 11 | public extension String{
 12 |     struct  ScriptType:OptionSet{
    |             `- note: consider making struct 'ScriptType' conform to the 'Sendable' protocol
 13 |         public let rawValue: Int
 14 |
 15 |         public static let noJapaneseScript=ScriptType(rawValue: 1 << 0)
 16 |         public static let hiragana=ScriptType(rawValue: 1 << 1)
 17 |         public static let katakana=ScriptType(rawValue: 1<<2)
    |                           |- warning: static property 'katakana' is not concurrency-safe because non-'Sendable' type 'String.ScriptType' may have shared mutable state; this is an error in the Swift 6 language mode
    |                           |- note: annotate 'katakana' with '@MainActor' if property should only be accessed from the main actor
    |                           `- note: disable concurrency-safety checks if accesses are protected by an external synchronization mechanism
 18 |         public static let kanji=ScriptType(rawValue: 1<<3)
 19 |
/Users/admin/builder/spi-builder-workspace/Sources/StringTools/String+ScriptType.swift:18:27: warning: static property 'kanji' is not concurrency-safe because non-'Sendable' type 'String.ScriptType' may have shared mutable state; this is an error in the Swift 6 language mode
 10 |
 11 | public extension String{
 12 |     struct  ScriptType:OptionSet{
    |             `- note: consider making struct 'ScriptType' conform to the 'Sendable' protocol
 13 |         public let rawValue: Int
 14 |
    :
 16 |         public static let hiragana=ScriptType(rawValue: 1 << 1)
 17 |         public static let katakana=ScriptType(rawValue: 1<<2)
 18 |         public static let kanji=ScriptType(rawValue: 1<<3)
    |                           |- warning: static property 'kanji' is not concurrency-safe because non-'Sendable' type 'String.ScriptType' may have shared mutable state; this is an error in the Swift 6 language mode
    |                           |- note: annotate 'kanji' with '@MainActor' if property should only be accessed from the main actor
    |                           `- note: disable concurrency-safety checks if accesses are protected by an external synchronization mechanism
 19 |
 20 |         public init(rawValue:Int){
[52/52] Compiling StringTools FuriganaAnnotation.swift
[53/62] Compiling IPADic resource_bundle_accessor.swift
[54/62] Emitting module IPADic
[55/62] Compiling IPADic IPADic.swift
[56/62] Compiling Mecab_Swift Annotation.swift
[57/62] Compiling Mecab_Swift AnnotationOptions.swift
[58/62] Emitting module Mecab_Swift
/Users/admin/builder/spi-builder-workspace/Sources/Mecab-Swift/Tokenizer.swift:58:23: warning: static property 'systemTokenizer' is not concurrency-safe because non-'Sendable' type 'Tokenizer' may have shared mutable state; this is an error in the Swift 6 language mode
  7 | A tokenizer /  morphological analyzer for Japanese
  8 | */
  9 | public class Tokenizer{
    |              `- note: class 'Tokenizer' does not conform to the 'Sendable' protocol
 10 |
 11 |     /**
    :
 56 |      The CoreFoundation CFStringTokenizer
 57 |      **/
 58 |     public static let systemTokenizer:Tokenizer = {
    |                       |- warning: static property 'systemTokenizer' is not concurrency-safe because non-'Sendable' type 'Tokenizer' may have shared mutable state; this is an error in the Swift 6 language mode
    |                       |- note: annotate 'systemTokenizer' with '@MainActor' if property should only be accessed from the main actor
    |                       `- note: disable concurrency-safety checks if accesses are protected by an external synchronization mechanism
 59 |         return Tokenizer()
 60 |     }()
[59/62] Compiling Mecab_Swift Token.swift
[60/62] Compiling Mecab_Swift Tokenizer+SystemTokenizer.swift
[61/62] Compiling Mecab_Swift SystemDictionary.swift
[62/62] Compiling Mecab_Swift Tokenizer.swift
/Users/admin/builder/spi-builder-workspace/Sources/Mecab-Swift/Tokenizer.swift:58:23: warning: static property 'systemTokenizer' is not concurrency-safe because non-'Sendable' type 'Tokenizer' may have shared mutable state; this is an error in the Swift 6 language mode
  7 | A tokenizer /  morphological analyzer for Japanese
  8 | */
  9 | public class Tokenizer{
    |              `- note: class 'Tokenizer' does not conform to the 'Sendable' protocol
 10 |
 11 |     /**
    :
 56 |      The CoreFoundation CFStringTokenizer
 57 |      **/
 58 |     public static let systemTokenizer:Tokenizer = {
    |                       |- warning: static property 'systemTokenizer' is not concurrency-safe because non-'Sendable' type 'Tokenizer' may have shared mutable state; this is an error in the Swift 6 language mode
    |                       |- note: annotate 'systemTokenizer' with '@MainActor' if property should only be accessed from the main actor
    |                       `- note: disable concurrency-safety checks if accesses are protected by an external synchronization mechanism
 59 |         return Tokenizer()
 60 |     }()
Build complete! (17.65s)
Build complete.
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Done.