The Swift Package Index logo.Swift Package Index

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 ObjectAssociation, reference main (93806c), with Swift 6.1 for macOS (SPM) on 28 Apr 2025 08:09:10 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/p-x9/swift-object-association.git
Reference: main
Initialized empty Git repository in /Users/admin/builder/spi-builder-workspace/.git/
From https://github.com/p-x9/swift-object-association
 * branch            main       -> FETCH_HEAD
 * [new branch]      main       -> origin/main
HEAD is now at 93806cf Merge pull request #10 from p-x9/version/0.5.0
Cloned https://github.com/p-x9/swift-object-association.git
Revision (git rev-parse @):
93806cfecae1f198c894ed5585b93aff0e2d1f5a
SUCCESS checkout https://github.com/p-x9/swift-object-association.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": "swift-object-association",
      "name": "ObjectAssociation",
      "url": "https://github.com/p-x9/swift-object-association.git",
      "version": "unspecified",
      "path": "/Users/admin/builder/spi-builder-workspace/.resolve-product-dependencies/.build/checkouts/swift-object-association",
      "dependencies": [
      ]
    }
  ]
}
Fetching https://github.com/p-x9/swift-object-association.git
[5/207] Fetching swift-object-association
Fetched https://github.com/p-x9/swift-object-association.git from cache (0.61s)
Creating working copy for https://github.com/p-x9/swift-object-association.git
Working copy of https://github.com/p-x9/swift-object-association.git resolved at main (93806cf)
warning: '.resolve-product-dependencies': dependency 'swift-object-association' 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/p-x9/swift-object-association.git
https://github.com/p-x9/swift-object-association.git
{
  "c_language_standard" : "c17",
  "cxx_language_standard" : "c++17",
  "dependencies" : [
  ],
  "manifest_display_name" : "ObjectAssociation",
  "name" : "ObjectAssociation",
  "path" : "/Users/admin/builder/spi-builder-workspace",
  "platforms" : [
  ],
  "products" : [
    {
      "name" : "ObjectAssociation",
      "targets" : [
        "ObjectAssociation"
      ],
      "type" : {
        "library" : [
          "automatic"
        ]
      }
    }
  ],
  "targets" : [
    {
      "c99name" : "SwiftRetain",
      "module_type" : "SwiftTarget",
      "name" : "SwiftRetain",
      "path" : "Sources/SwiftRetain",
      "product_memberships" : [
        "ObjectAssociation"
      ],
      "sources" : [
        "Retain.swift"
      ],
      "type" : "library"
    },
    {
      "c99name" : "ObjectAssociationTests",
      "module_type" : "SwiftTarget",
      "name" : "ObjectAssociationTests",
      "path" : "Tests/ObjectAssociationTests",
      "sources" : [
        "Model/ClassItem.swift",
        "ObjectAssociationTests.swift"
      ],
      "target_dependencies" : [
        "ObjectAssociation",
        "ObjectAssociationRuntime"
      ],
      "type" : "test"
    },
    {
      "c99name" : "ObjectAssociationRuntimeC",
      "module_type" : "ClangTarget",
      "name" : "ObjectAssociationRuntimeC",
      "path" : "Sources/ObjectAssociationRuntimeC",
      "product_memberships" : [
        "ObjectAssociation"
      ],
      "sources" : [
        "associated.cpp",
        "reference/reference.cpp"
      ],
      "target_dependencies" : [
        "SwiftRetain"
      ],
      "type" : "library"
    },
    {
      "c99name" : "ObjectAssociationRuntime",
      "module_type" : "SwiftTarget",
      "name" : "ObjectAssociationRuntime",
      "path" : "Sources/ObjectAssociationRuntime",
      "product_memberships" : [
        "ObjectAssociation"
      ],
      "sources" : [
        "ObjectAssociationRuntime.swift"
      ],
      "target_dependencies" : [
        "ObjectAssociationRuntimeC"
      ],
      "type" : "library"
    },
    {
      "c99name" : "ObjectAssociation",
      "module_type" : "SwiftTarget",
      "name" : "ObjectAssociation",
      "path" : "Sources/ObjectAssociation",
      "product_memberships" : [
        "ObjectAssociation"
      ],
      "sources" : [
        "Model/Policy.swift",
        "Model/Ref.swift",
        "ObjectAssociation.swift",
        "Util.swift"
      ],
      "target_dependencies" : [
        "ObjectAssociationRuntime"
      ],
      "type" : "library"
    }
  ],
  "tools_version" : "5.9"
}
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...
[0/6] Write sources
[3/6] Write swift-version-2F0A5646E1D333AE.txt
[5/8] Compiling SwiftRetain Retain.swift
[6/8] Emitting module SwiftRetain
[6/8] Compiling ObjectAssociationRuntimeC associated.cpp
[7/8] Compiling reference.cpp
[9/10] Compiling ObjectAssociationRuntime ObjectAssociationRuntime.swift
[10/10] Emitting module ObjectAssociationRuntime
[11/15] Compiling ObjectAssociation Util.swift
[12/15] Emitting module ObjectAssociation
/Users/admin/builder/spi-builder-workspace/Sources/ObjectAssociation/ObjectAssociation.swift:59:13: warning: var '_initAssociations' is not concurrency-safe because it is nonisolated global shared mutable state; this is an error in the Swift 6 language mode
57 | }
58 |
59 | private var _initAssociations: Bool = {
   |             |- warning: var '_initAssociations' is not concurrency-safe because it is nonisolated global shared mutable state; this is an error in the Swift 6 language mode
   |             |- note: convert '_initAssociations' to a 'let' constant to make 'Sendable' shared state immutable
   |             |- note: add '@MainActor' to make var '_initAssociations' part of global actor 'MainActor'
   |             `- note: disable concurrency-safety checks if accesses are protected by an external synchronization mechanism
60 |     swift_initAssociations()
61 |     return true
[13/15] Compiling ObjectAssociation ObjectAssociation.swift
/Users/admin/builder/spi-builder-workspace/Sources/ObjectAssociation/ObjectAssociation.swift:59:13: warning: var '_initAssociations' is not concurrency-safe because it is nonisolated global shared mutable state; this is an error in the Swift 6 language mode
57 | }
58 |
59 | private var _initAssociations: Bool = {
   |             |- warning: var '_initAssociations' is not concurrency-safe because it is nonisolated global shared mutable state; this is an error in the Swift 6 language mode
   |             |- note: convert '_initAssociations' to a 'let' constant to make 'Sendable' shared state immutable
   |             |- note: add '@MainActor' to make var '_initAssociations' part of global actor 'MainActor'
   |             `- note: disable concurrency-safety checks if accesses are protected by an external synchronization mechanism
60 |     swift_initAssociations()
61 |     return true
[14/15] Compiling ObjectAssociation Ref.swift
[15/15] Compiling ObjectAssociation Policy.swift
Build complete! (5.60s)
Build complete.
{
  "c_language_standard" : "c17",
  "cxx_language_standard" : "c++17",
  "dependencies" : [
  ],
  "manifest_display_name" : "ObjectAssociation",
  "name" : "ObjectAssociation",
  "path" : "/Users/admin/builder/spi-builder-workspace",
  "platforms" : [
  ],
  "products" : [
    {
      "name" : "ObjectAssociation",
      "targets" : [
        "ObjectAssociation"
      ],
      "type" : {
        "library" : [
          "automatic"
        ]
      }
    }
  ],
  "targets" : [
    {
      "c99name" : "SwiftRetain",
      "module_type" : "SwiftTarget",
      "name" : "SwiftRetain",
      "path" : "Sources/SwiftRetain",
      "product_memberships" : [
        "ObjectAssociation"
      ],
      "sources" : [
        "Retain.swift"
      ],
      "type" : "library"
    },
    {
      "c99name" : "ObjectAssociationTests",
      "module_type" : "SwiftTarget",
      "name" : "ObjectAssociationTests",
      "path" : "Tests/ObjectAssociationTests",
      "sources" : [
        "Model/ClassItem.swift",
        "ObjectAssociationTests.swift"
      ],
      "target_dependencies" : [
        "ObjectAssociation",
        "ObjectAssociationRuntime"
      ],
      "type" : "test"
    },
    {
      "c99name" : "ObjectAssociationRuntimeC",
      "module_type" : "ClangTarget",
      "name" : "ObjectAssociationRuntimeC",
      "path" : "Sources/ObjectAssociationRuntimeC",
      "product_memberships" : [
        "ObjectAssociation"
      ],
      "sources" : [
        "associated.cpp",
        "reference/reference.cpp"
      ],
      "target_dependencies" : [
        "SwiftRetain"
      ],
      "type" : "library"
    },
    {
      "c99name" : "ObjectAssociationRuntime",
      "module_type" : "SwiftTarget",
      "name" : "ObjectAssociationRuntime",
      "path" : "Sources/ObjectAssociationRuntime",
      "product_memberships" : [
        "ObjectAssociation"
      ],
      "sources" : [
        "ObjectAssociationRuntime.swift"
      ],
      "target_dependencies" : [
        "ObjectAssociationRuntimeC"
      ],
      "type" : "library"
    },
    {
      "c99name" : "ObjectAssociation",
      "module_type" : "SwiftTarget",
      "name" : "ObjectAssociation",
      "path" : "Sources/ObjectAssociation",
      "product_memberships" : [
        "ObjectAssociation"
      ],
      "sources" : [
        "Model/Policy.swift",
        "Model/Ref.swift",
        "ObjectAssociation.swift",
        "Util.swift"
      ],
      "target_dependencies" : [
        "ObjectAssociationRuntime"
      ],
      "type" : "library"
    }
  ],
  "tools_version" : "5.9"
}
Done.