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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 SwizzleHelper, reference 1.0.2 (a90764), with Swift 6.1 for macOS (SPM) on 27 Apr 2025 12:19:33 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/chipjarred/SwizzleHelper.git
Reference: 1.0.2
Initialized empty Git repository in /Users/admin/builder/spi-builder-workspace/.git/
From https://github.com/chipjarred/SwizzleHelper
 * tag               1.0.2      -> FETCH_HEAD
HEAD is now at a907648 Added link to CustomToolTip to README
Cloned https://github.com/chipjarred/SwizzleHelper.git
Revision (git rev-parse @):
a9076481f811fad3269efa6b06fcae29a3b585e2
SUCCESS checkout https://github.com/chipjarred/SwizzleHelper.git at 1.0.2
========================================
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": "swizzlehelper",
      "name": "SwizzleHelper",
      "url": "https://github.com/chipjarred/SwizzleHelper.git",
      "version": "unspecified",
      "path": "/Users/admin/builder/spi-builder-workspace/.resolve-product-dependencies/.build/checkouts/SwizzleHelper",
      "dependencies": [
      ]
    }
  ]
}
Fetching https://github.com/chipjarred/SwizzleHelper.git
[1/158] Fetching swizzlehelper
Fetched https://github.com/chipjarred/SwizzleHelper.git from cache (0.62s)
Creating working copy for https://github.com/chipjarred/SwizzleHelper.git
Working copy of https://github.com/chipjarred/SwizzleHelper.git resolved at 1.0.2 (a907648)
warning: '.resolve-product-dependencies': dependency 'swizzlehelper' 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/chipjarred/SwizzleHelper.git
https://github.com/chipjarred/SwizzleHelper.git
{
  "dependencies" : [
  ],
  "manifest_display_name" : "SwizzleHelper",
  "name" : "SwizzleHelper",
  "path" : "/Users/admin/builder/spi-builder-workspace",
  "platforms" : [
    {
      "name" : "macos",
      "version" : "10.14"
    },
    {
      "name" : "ios",
      "version" : "12.0"
    },
    {
      "name" : "tvos",
      "version" : "12.0"
    },
    {
      "name" : "watchos",
      "version" : "5.0"
    }
  ],
  "products" : [
    {
      "name" : "SwizzleHelper",
      "targets" : [
        "SwizzleHelper",
        "SwizzleHelperObjC"
      ],
      "type" : {
        "library" : [
          "automatic"
        ]
      }
    }
  ],
  "targets" : [
    {
      "c99name" : "SwizzleHelperTests",
      "module_type" : "SwiftTarget",
      "name" : "SwizzleHelperTests",
      "path" : "Tests/SwizzleHelperTests",
      "sources" : [
        "AssociatedValues_Tests.swift",
        "Swizzling_Tests.swift"
      ],
      "target_dependencies" : [
        "SwizzleHelper"
      ],
      "type" : "test"
    },
    {
      "c99name" : "SwizzleHelperObjC",
      "module_type" : "ClangTarget",
      "name" : "SwizzleHelperObjC",
      "path" : "SwizzleHelperObjC",
      "product_memberships" : [
        "SwizzleHelper"
      ],
      "sources" : [
        "swizzleHelper.m"
      ],
      "type" : "library"
    },
    {
      "c99name" : "SwizzleHelper",
      "module_type" : "SwiftTarget",
      "name" : "SwizzleHelper",
      "path" : "Sources/SwizzleHelper",
      "product_memberships" : [
        "SwizzleHelper"
      ],
      "sources" : [
        "NSObject+AssociatedObjects.swift",
        "NSObject+Swizzling.swift"
      ],
      "target_dependencies" : [
        "SwizzleHelperObjC"
      ],
      "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...
[0/3] Write sources
[1/3] Write swift-version-2F0A5646E1D333AE.txt
/Users/admin/builder/spi-builder-workspace/SwizzleHelperObjC/swizzleHelper.m:93:1: warning: non-void function does not return a value [-Wreturn-type]
   93 | }
      | ^
1 warning generated.
[2/3] Compiling SwizzleHelperObjC swizzleHelper.m
[4/6] Compiling SwizzleHelper NSObject+AssociatedObjects.swift
/Users/admin/builder/spi-builder-workspace/Sources/SwizzleHelper/NSObject+AssociatedObjects.swift:3:17: warning: var 'associatedValuesKey' is not concurrency-safe because it is nonisolated global shared mutable state; this is an error in the Swift 6 language mode
  1 | import Foundation
  2 |
  3 | fileprivate var associatedValuesKey = "\(#filePath)_associatedValues"
    |                 |- warning: var 'associatedValuesKey' is not concurrency-safe because it is nonisolated global shared mutable state; this is an error in the Swift 6 language mode
    |                 |- note: convert 'associatedValuesKey' to a 'let' constant to make 'Sendable' shared state immutable
    |                 |- note: add '@MainActor' to make var 'associatedValuesKey' part of global actor 'MainActor'
    |                 `- note: disable concurrency-safety checks if accesses are protected by an external synchronization mechanism
  4 |
  5 | // -------------------------------------
/Users/admin/builder/spi-builder-workspace/Sources/SwizzleHelper/NSObject+AssociatedObjects.swift:63:56: warning: forming 'UnsafeRawPointer' to an inout variable of type String exposes the internal representation rather than the string contents.
 61 |         get
 62 |         {
 63 |             return objc_getAssociatedObject(Self.self, &associatedValuesKey)
    |                                                        `- warning: forming 'UnsafeRawPointer' to an inout variable of type String exposes the internal representation rather than the string contents.
 64 |                 as? AssociatedValues ?? [:]
 65 |         }
/Users/admin/builder/spi-builder-workspace/Sources/SwizzleHelper/NSObject+AssociatedObjects.swift:70:17: warning: forming 'UnsafeRawPointer' to an inout variable of type String exposes the internal representation rather than the string contents.
 68 |             objc_setAssociatedObject(
 69 |                 Self.self,
 70 |                 &associatedValuesKey,
    |                 `- warning: forming 'UnsafeRawPointer' to an inout variable of type String exposes the internal representation rather than the string contents.
 71 |                 newValue as NSDictionary,
 72 |                 .OBJC_ASSOCIATION_RETAIN
/Users/admin/builder/spi-builder-workspace/Sources/SwizzleHelper/NSObject+AssociatedObjects.swift:86:51: warning: forming 'UnsafeRawPointer' to an inout variable of type String exposes the internal representation rather than the string contents.
 84 |         get
 85 |         {
 86 |             return objc_getAssociatedObject(self, &associatedValuesKey)
    |                                                   `- warning: forming 'UnsafeRawPointer' to an inout variable of type String exposes the internal representation rather than the string contents.
 87 |                 as? AssociatedValues ?? [:]
 88 |         }
/Users/admin/builder/spi-builder-workspace/Sources/SwizzleHelper/NSObject+AssociatedObjects.swift:93:17: warning: forming 'UnsafeRawPointer' to an inout variable of type String exposes the internal representation rather than the string contents.
 91 |             objc_setAssociatedObject(
 92 |                 self,
 93 |                 &associatedValuesKey,
    |                 `- warning: forming 'UnsafeRawPointer' to an inout variable of type String exposes the internal representation rather than the string contents.
 94 |                 newValue as NSDictionary,
 95 |                 .OBJC_ASSOCIATION_RETAIN
[5/6] Emitting module SwizzleHelper
/Users/admin/builder/spi-builder-workspace/Sources/SwizzleHelper/NSObject+AssociatedObjects.swift:3:17: warning: var 'associatedValuesKey' is not concurrency-safe because it is nonisolated global shared mutable state; this is an error in the Swift 6 language mode
  1 | import Foundation
  2 |
  3 | fileprivate var associatedValuesKey = "\(#filePath)_associatedValues"
    |                 |- warning: var 'associatedValuesKey' is not concurrency-safe because it is nonisolated global shared mutable state; this is an error in the Swift 6 language mode
    |                 |- note: convert 'associatedValuesKey' to a 'let' constant to make 'Sendable' shared state immutable
    |                 |- note: add '@MainActor' to make var 'associatedValuesKey' part of global actor 'MainActor'
    |                 `- note: disable concurrency-safety checks if accesses are protected by an external synchronization mechanism
  4 |
  5 | // -------------------------------------
[6/6] Compiling SwizzleHelper NSObject+Swizzling.swift
Build complete! (8.41s)
Build complete.
{
  "dependencies" : [
  ],
  "manifest_display_name" : "SwizzleHelper",
  "name" : "SwizzleHelper",
  "path" : "/Users/admin/builder/spi-builder-workspace",
  "platforms" : [
    {
      "name" : "macos",
      "version" : "10.14"
    },
    {
      "name" : "ios",
      "version" : "12.0"
    },
    {
      "name" : "tvos",
      "version" : "12.0"
    },
    {
      "name" : "watchos",
      "version" : "5.0"
    }
  ],
  "products" : [
    {
      "name" : "SwizzleHelper",
      "targets" : [
        "SwizzleHelper",
        "SwizzleHelperObjC"
      ],
      "type" : {
        "library" : [
          "automatic"
        ]
      }
    }
  ],
  "targets" : [
    {
      "c99name" : "SwizzleHelperTests",
      "module_type" : "SwiftTarget",
      "name" : "SwizzleHelperTests",
      "path" : "Tests/SwizzleHelperTests",
      "sources" : [
        "AssociatedValues_Tests.swift",
        "Swizzling_Tests.swift"
      ],
      "target_dependencies" : [
        "SwizzleHelper"
      ],
      "type" : "test"
    },
    {
      "c99name" : "SwizzleHelperObjC",
      "module_type" : "ClangTarget",
      "name" : "SwizzleHelperObjC",
      "path" : "SwizzleHelperObjC",
      "product_memberships" : [
        "SwizzleHelper"
      ],
      "sources" : [
        "swizzleHelper.m"
      ],
      "type" : "library"
    },
    {
      "c99name" : "SwizzleHelper",
      "module_type" : "SwiftTarget",
      "name" : "SwizzleHelper",
      "path" : "Sources/SwizzleHelper",
      "product_memberships" : [
        "SwizzleHelper"
      ],
      "sources" : [
        "NSObject+AssociatedObjects.swift",
        "NSObject+Swizzling.swift"
      ],
      "target_dependencies" : [
        "SwizzleHelperObjC"
      ],
      "type" : "library"
    }
  ],
  "tools_version" : "5.3"
}
Done.