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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 CodableX, reference main (9e0ac1), with Swift 6.1 for macOS (SPM) on 26 Apr 2025 13:45:43 UTC.

Swift 6 data race errors: 1

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: 4.61.0
Interrupt handler set up.
========================================
Checkout
========================================
Clone URL: https://github.com/dscyrescotti/CodableX.git
Reference: main
Initialized empty Git repository in /Users/admin/builder/spi-builder-workspace/.git/
From https://github.com/dscyrescotti/CodableX
 * branch            main       -> FETCH_HEAD
 * [new branch]      main       -> origin/main
HEAD is now at 9e0ac1d docs: update
Cloned https://github.com/dscyrescotti/CodableX.git
Revision (git rev-parse @):
9e0ac1d2b76e926c14b880b4a3ed09d2b50f116e
SUCCESS checkout https://github.com/dscyrescotti/CodableX.git at main
========================================
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": "codablex",
      "name": "CodableX",
      "url": "https://github.com/dscyrescotti/CodableX.git",
      "version": "unspecified",
      "path": "/Users/admin/builder/spi-builder-workspace/.resolve-product-dependencies/.build/checkouts/CodableX",
      "dependencies": [
      ]
    }
  ]
}
Fetching https://github.com/dscyrescotti/CodableX.git
[1/623] Fetching codablex
Fetched https://github.com/dscyrescotti/CodableX.git from cache (0.82s)
Creating working copy for https://github.com/dscyrescotti/CodableX.git
Working copy of https://github.com/dscyrescotti/CodableX.git resolved at main (9e0ac1d)
warning: '.resolve-product-dependencies': dependency 'codablex' is not used by any target
Found 0 product dependencies
========================================
Build
========================================
Selected platform:         macosSpm
Swift version:             6.1
Building package at path:  $PWD
https://github.com/dscyrescotti/CodableX.git
https://github.com/dscyrescotti/CodableX.git
{
  "dependencies" : [
  ],
  "manifest_display_name" : "CodableX",
  "name" : "CodableX",
  "path" : "/Users/admin/builder/spi-builder-workspace",
  "platforms" : [
    {
      "name" : "ios",
      "version" : "9.0"
    },
    {
      "name" : "macos",
      "version" : "10.11"
    },
    {
      "name" : "tvos",
      "version" : "9.0"
    },
    {
      "name" : "watchos",
      "version" : "3.0"
    }
  ],
  "products" : [
    {
      "name" : "CodableX",
      "targets" : [
        "CodableX"
      ],
      "type" : {
        "library" : [
          "automatic"
        ]
      }
    }
  ],
  "swift_languages_versions" : [
    "5"
  ],
  "targets" : [
    {
      "c99name" : "CodableXTests",
      "module_type" : "SwiftTarget",
      "name" : "CodableXTests",
      "path" : "Tests/CodableXTests",
      "sources" : [
        "AnyValuableTests.swift",
        "AnyableTests.swift",
        "ArrayAnyValuableTests.swift",
        "ArrayAnyableTests.swift",
        "ArrayForcableTests.swift",
        "CompactableTests.swift",
        "CustomDefaultableTests.swift",
        "Decode+Encode.swift",
        "DefaultableTests.swift",
        "ForcableTests.swift",
        "JsonableTests.swift",
        "NullableTests.swift",
        "XCTestManifests.swift"
      ],
      "target_dependencies" : [
        "CodableX"
      ],
      "type" : "test"
    },
    {
      "c99name" : "CodableX",
      "module_type" : "SwiftTarget",
      "name" : "CodableX",
      "path" : "Sources/CodableX",
      "product_memberships" : [
        "CodableX"
      ],
      "sources" : [
        "Error.swift",
        "Extensions/AnyCodable++.swift",
        "Extensions/AnyValueWrappable+.swift",
        "Extensions/Equatable+.swift",
        "Extensions/KeyedDecodingContainer+.swift",
        "Extensions/KeyedEncodingContainer+.swift",
        "Extensions/UnkeyedEncodingContainer+.swift",
        "PropertyWrappers/AnyValuable.swift",
        "PropertyWrappers/Anyable.swift",
        "PropertyWrappers/ArrayAnyValuable.swift",
        "PropertyWrappers/ArrayAnyable.swift",
        "PropertyWrappers/ArrayForcable.swift",
        "PropertyWrappers/Compactable.swift",
        "PropertyWrappers/CustomDefaultable.swift",
        "PropertyWrappers/Defaultable.swift",
        "PropertyWrappers/Forcable.swift",
        "PropertyWrappers/Jsonable.swift",
        "PropertyWrappers/Nullable.swift",
        "PropertyWrappers/OptionalAnyValuable.swift",
        "PropertyWrappers/OptionalAnyable.swift",
        "PropertyWrappers/OptionalForcable.swift",
        "Protocols/AnyValueWrappable.swift",
        "Protocols/Codables/AnyCodable.swift",
        "Protocols/Codables/DefaultCodable.swift",
        "Protocols/Codables/ForceCodable.swift",
        "Protocols/Configurables/DefaultConfigurable.swift",
        "Protocols/Configurables/OptionConfigurable.swift",
        "Structs/AnyCodingKey.swift",
        "Structs/AnyEquatable.swift",
        "Structs/AnyValue.swift",
        "Structs/DefaultOptions.swift",
        "Structs/Empty.swift",
        "Structs/Option.swift"
      ],
      "type" : "library"
    }
  ],
  "tools_version" : "5.3"
}
Running build ...
env DEVELOPER_DIR=/Applications/Xcode-16.3.0.app xcrun swift build --arch arm64 -Xswiftc -Xfrontend -Xswiftc -stats-output-dir -Xswiftc -Xfrontend -Xswiftc .stats -Xswiftc -strict-concurrency=complete -Xswiftc -enable-upcoming-feature -Xswiftc StrictConcurrency -Xswiftc -enable-upcoming-feature -Xswiftc DisableOutwardActorInference -Xswiftc -enable-upcoming-feature -Xswiftc GlobalActorIsolatedTypesUsability -Xswiftc -enable-upcoming-feature -Xswiftc InferSendableFromCaptures
Building for debugging...
[0/2] Write sources
[1/2] Write swift-version-2F0A5646E1D333AE.txt
[3/33] Emitting module CodableX
/Users/admin/builder/spi-builder-workspace/Sources/CodableX/Structs/DefaultOptions.swift:3:23: warning: static property 'options' is not concurrency-safe because it is nonisolated global shared mutable state; this is an error in the Swift 6 language mode
 1 | /// `DefaultOptions` is the default optional types to decode and encode value using them.
 2 | public struct DefaultOptions: OptionConfigurable {
 3 |     public static var options: [Option] = [
   |                       |- warning: static property 'options' is not concurrency-safe because it is nonisolated global shared mutable state; this is an error in the Swift 6 language mode
   |                       |- note: convert 'options' to a 'let' constant to make 'Sendable' shared state immutable
   |                       |- note: add '@MainActor' to make static property 'options' part of global actor 'MainActor'
   |                       `- note: disable concurrency-safety checks if accesses are protected by an external synchronization mechanism
 4 |         .init(Int.self),
 5 |         .init(String.self),
[4/36] Compiling CodableX Compactable.swift
[5/36] Compiling CodableX CustomDefaultable.swift
[6/36] Compiling CodableX Defaultable.swift
[7/36] Compiling CodableX DefaultOptions.swift
/Users/admin/builder/spi-builder-workspace/Sources/CodableX/Structs/DefaultOptions.swift:3:23: warning: static property 'options' is not concurrency-safe because it is nonisolated global shared mutable state; this is an error in the Swift 6 language mode
 1 | /// `DefaultOptions` is the default optional types to decode and encode value using them.
 2 | public struct DefaultOptions: OptionConfigurable {
 3 |     public static var options: [Option] = [
   |                       |- warning: static property 'options' is not concurrency-safe because it is nonisolated global shared mutable state; this is an error in the Swift 6 language mode
   |                       |- note: convert 'options' to a 'let' constant to make 'Sendable' shared state immutable
   |                       |- note: add '@MainActor' to make static property 'options' part of global actor 'MainActor'
   |                       `- note: disable concurrency-safety checks if accesses are protected by an external synchronization mechanism
 4 |         .init(Int.self),
 5 |         .init(String.self),
[8/36] Compiling CodableX Empty.swift
/Users/admin/builder/spi-builder-workspace/Sources/CodableX/Structs/DefaultOptions.swift:3:23: warning: static property 'options' is not concurrency-safe because it is nonisolated global shared mutable state; this is an error in the Swift 6 language mode
 1 | /// `DefaultOptions` is the default optional types to decode and encode value using them.
 2 | public struct DefaultOptions: OptionConfigurable {
 3 |     public static var options: [Option] = [
   |                       |- warning: static property 'options' is not concurrency-safe because it is nonisolated global shared mutable state; this is an error in the Swift 6 language mode
   |                       |- note: convert 'options' to a 'let' constant to make 'Sendable' shared state immutable
   |                       |- note: add '@MainActor' to make static property 'options' part of global actor 'MainActor'
   |                       `- note: disable concurrency-safety checks if accesses are protected by an external synchronization mechanism
 4 |         .init(Int.self),
 5 |         .init(String.self),
[9/36] Compiling CodableX Option.swift
/Users/admin/builder/spi-builder-workspace/Sources/CodableX/Structs/DefaultOptions.swift:3:23: warning: static property 'options' is not concurrency-safe because it is nonisolated global shared mutable state; this is an error in the Swift 6 language mode
 1 | /// `DefaultOptions` is the default optional types to decode and encode value using them.
 2 | public struct DefaultOptions: OptionConfigurable {
 3 |     public static var options: [Option] = [
   |                       |- warning: static property 'options' is not concurrency-safe because it is nonisolated global shared mutable state; this is an error in the Swift 6 language mode
   |                       |- note: convert 'options' to a 'let' constant to make 'Sendable' shared state immutable
   |                       |- note: add '@MainActor' to make static property 'options' part of global actor 'MainActor'
   |                       `- note: disable concurrency-safety checks if accesses are protected by an external synchronization mechanism
 4 |         .init(Int.self),
 5 |         .init(String.self),
[10/36] Compiling CodableX AnyCodingKey.swift
[11/36] Compiling CodableX AnyEquatable.swift
[12/36] Compiling CodableX AnyValue.swift
[13/36] Compiling CodableX AnyValueWrappable.swift
[14/36] Compiling CodableX AnyCodable.swift
[15/36] Compiling CodableX DefaultCodable.swift
[16/36] Compiling CodableX Error.swift
[17/36] Compiling CodableX AnyCodable++.swift
[18/36] Compiling CodableX AnyValueWrappable+.swift
[19/36] Compiling CodableX Equatable+.swift
[20/36] Compiling CodableX Anyable.swift
[21/36] Compiling CodableX ArrayAnyValuable.swift
[22/36] Compiling CodableX ArrayAnyable.swift
[23/36] Compiling CodableX ArrayForcable.swift
[24/36] Compiling CodableX Forcable.swift
[25/36] Compiling CodableX Jsonable.swift
[26/36] Compiling CodableX Nullable.swift
[27/36] Compiling CodableX KeyedDecodingContainer+.swift
[28/36] Compiling CodableX KeyedEncodingContainer+.swift
[29/36] Compiling CodableX UnkeyedEncodingContainer+.swift
[30/36] Compiling CodableX AnyValuable.swift
[31/36] Compiling CodableX OptionalAnyValuable.swift
[32/36] Compiling CodableX OptionalAnyable.swift
[33/36] Compiling CodableX OptionalForcable.swift
[34/36] Compiling CodableX ForceCodable.swift
[35/36] Compiling CodableX DefaultConfigurable.swift
[36/36] Compiling CodableX OptionConfigurable.swift
Build complete! (4.63s)
Build complete.
{
  "dependencies" : [
  ],
  "manifest_display_name" : "CodableX",
  "name" : "CodableX",
  "path" : "/Users/admin/builder/spi-builder-workspace",
  "platforms" : [
    {
      "name" : "ios",
      "version" : "9.0"
    },
    {
      "name" : "macos",
      "version" : "10.11"
    },
    {
      "name" : "tvos",
      "version" : "9.0"
    },
    {
      "name" : "watchos",
      "version" : "3.0"
    }
  ],
  "products" : [
    {
      "name" : "CodableX",
      "targets" : [
        "CodableX"
      ],
      "type" : {
        "library" : [
          "automatic"
        ]
      }
    }
  ],
  "swift_languages_versions" : [
    "5"
  ],
  "targets" : [
    {
      "c99name" : "CodableXTests",
      "module_type" : "SwiftTarget",
      "name" : "CodableXTests",
      "path" : "Tests/CodableXTests",
      "sources" : [
        "AnyValuableTests.swift",
        "AnyableTests.swift",
        "ArrayAnyValuableTests.swift",
        "ArrayAnyableTests.swift",
        "ArrayForcableTests.swift",
        "CompactableTests.swift",
        "CustomDefaultableTests.swift",
        "Decode+Encode.swift",
        "DefaultableTests.swift",
        "ForcableTests.swift",
        "JsonableTests.swift",
        "NullableTests.swift",
        "XCTestManifests.swift"
      ],
      "target_dependencies" : [
        "CodableX"
      ],
      "type" : "test"
    },
    {
      "c99name" : "CodableX",
      "module_type" : "SwiftTarget",
      "name" : "CodableX",
      "path" : "Sources/CodableX",
      "product_memberships" : [
        "CodableX"
      ],
      "sources" : [
        "Error.swift",
        "Extensions/AnyCodable++.swift",
        "Extensions/AnyValueWrappable+.swift",
        "Extensions/Equatable+.swift",
        "Extensions/KeyedDecodingContainer+.swift",
        "Extensions/KeyedEncodingContainer+.swift",
        "Extensions/UnkeyedEncodingContainer+.swift",
        "PropertyWrappers/AnyValuable.swift",
        "PropertyWrappers/Anyable.swift",
        "PropertyWrappers/ArrayAnyValuable.swift",
        "PropertyWrappers/ArrayAnyable.swift",
        "PropertyWrappers/ArrayForcable.swift",
        "PropertyWrappers/Compactable.swift",
        "PropertyWrappers/CustomDefaultable.swift",
        "PropertyWrappers/Defaultable.swift",
        "PropertyWrappers/Forcable.swift",
        "PropertyWrappers/Jsonable.swift",
        "PropertyWrappers/Nullable.swift",
        "PropertyWrappers/OptionalAnyValuable.swift",
        "PropertyWrappers/OptionalAnyable.swift",
        "PropertyWrappers/OptionalForcable.swift",
        "Protocols/AnyValueWrappable.swift",
        "Protocols/Codables/AnyCodable.swift",
        "Protocols/Codables/DefaultCodable.swift",
        "Protocols/Codables/ForceCodable.swift",
        "Protocols/Configurables/DefaultConfigurable.swift",
        "Protocols/Configurables/OptionConfigurable.swift",
        "Structs/AnyCodingKey.swift",
        "Structs/AnyEquatable.swift",
        "Structs/AnyValue.swift",
        "Structs/DefaultOptions.swift",
        "Structs/Empty.swift",
        "Structs/Option.swift"
      ],
      "type" : "library"
    }
  ],
  "tools_version" : "5.3"
}
Done.