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 STTextKitPlus, reference main (4655b7), with Swift 6.0 for macOS (SPM) on 13 Mar 2025 22:24:32 UTC.

Swift 6 data race errors: 1

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/krzyzanowskim/STTextKitPlus.git
Reference: main
Initialized empty Git repository in /Users/admin/builder/spi-builder-workspace/.git/
From https://github.com/krzyzanowskim/STTextKitPlus
 * branch            main       -> FETCH_HEAD
 * [new branch]      main       -> origin/main
HEAD is now at 4655b76 Remove copyright year from license and source files
Cloned https://github.com/krzyzanowskim/STTextKitPlus.git
Revision (git rev-parse @):
4655b76fce111082749fbc1ff7e5b2da6912b0ac
SUCCESS checkout https://github.com/krzyzanowskim/STTextKitPlus.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": "sttextkitplus",
      "name": "STTextKitPlus",
      "url": "https://github.com/krzyzanowskim/STTextKitPlus.git",
      "version": "unspecified",
      "path": "/Users/admin/builder/spi-builder-workspace/.resolve-product-dependencies/.build/checkouts/STTextKitPlus",
      "dependencies": [
      ]
    }
  ]
}
Fetching https://github.com/krzyzanowskim/STTextKitPlus.git
[1/132] Fetching sttextkitplus
Fetched https://github.com/krzyzanowskim/STTextKitPlus.git from cache (0.67s)
Creating working copy for https://github.com/krzyzanowskim/STTextKitPlus.git
Working copy of https://github.com/krzyzanowskim/STTextKitPlus.git resolved at main (4655b76)
warning: '.resolve-product-dependencies': dependency 'sttextkitplus' 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/krzyzanowskim/STTextKitPlus.git
https://github.com/krzyzanowskim/STTextKitPlus.git
{
  "dependencies" : [
  ],
  "manifest_display_name" : "STTextKitPlus",
  "name" : "STTextKitPlus",
  "path" : "/Users/admin/builder/spi-builder-workspace",
  "platforms" : [
    {
      "name" : "macos",
      "version" : "12.0"
    },
    {
      "name" : "maccatalyst",
      "version" : "15.0"
    },
    {
      "name" : "ios",
      "version" : "15.0"
    }
  ],
  "products" : [
    {
      "name" : "STTextKitPlus",
      "targets" : [
        "STTextKitPlus"
      ],
      "type" : {
        "library" : [
          "automatic"
        ]
      }
    }
  ],
  "targets" : [
    {
      "c99name" : "STTextKitPlus",
      "module_type" : "SwiftTarget",
      "name" : "STTextKitPlus",
      "path" : "Sources/STTextKitPlus",
      "product_memberships" : [
        "STTextKitPlus"
      ],
      "sources" : [
        "NSRange.swift",
        "NSTextContentManager.swift",
        "NSTextLayoutFragment.swift",
        "NSTextLayoutManager.swift",
        "NSTextLineFragment.swift",
        "NSTextLocation+Equatable.swift",
        "NSTextRange.swift"
      ],
      "type" : "library"
    }
  ],
  "tools_version" : "5.7"
}
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...
[0/2] Write sources
[1/2] Write swift-version-5BDAB9E9C0126B9D.txt
[3/10] Compiling STTextKitPlus NSTextLineFragment.swift
[4/10] Compiling STTextKitPlus NSTextRange.swift
[5/10] Compiling STTextKitPlus NSTextLayoutFragment.swift
[6/10] Compiling STTextKitPlus NSRange.swift
[7/10] Compiling STTextKitPlus NSTextContentManager.swift
[8/10] Compiling STTextKitPlus NSTextLocation+Equatable.swift
[9/10] Emitting module STTextKitPlus
<unknown>:0: note: a function type must be marked '@Sendable' to conform to 'Sendable'
/Users/admin/builder/spi-builder-workspace/Sources/STTextKitPlus/NSTextLayoutManager.swift:184:13: warning: let '_textSelectionInsertionPointFilter' is not concurrency-safe because non-'Sendable' type '(NSTextSelection) -> Bool' may have shared mutable state; this is an error in the Swift 6 language mode
182 | }
183 |
184 | private let _textSelectionInsertionPointFilter: (NSTextSelection) -> Bool = { textSelection in
    |             |- warning: let '_textSelectionInsertionPointFilter' is not concurrency-safe because non-'Sendable' type '(NSTextSelection) -> Bool' may have shared mutable state; this is an error in the Swift 6 language mode
    |             |- note: annotate '_textSelectionInsertionPointFilter' 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
185 |     !textSelection.isLogical && textSelection.textRanges.contains(where: \.isEmpty)
186 | }
[10/10] Compiling STTextKitPlus NSTextLayoutManager.swift
<unknown>:0: note: a function type must be marked '@Sendable' to conform to 'Sendable'
/Users/admin/builder/spi-builder-workspace/Sources/STTextKitPlus/NSTextLayoutManager.swift:184:13: warning: let '_textSelectionInsertionPointFilter' is not concurrency-safe because non-'Sendable' type '(NSTextSelection) -> Bool' may have shared mutable state; this is an error in the Swift 6 language mode
182 | }
183 |
184 | private let _textSelectionInsertionPointFilter: (NSTextSelection) -> Bool = { textSelection in
    |             |- warning: let '_textSelectionInsertionPointFilter' is not concurrency-safe because non-'Sendable' type '(NSTextSelection) -> Bool' may have shared mutable state; this is an error in the Swift 6 language mode
    |             |- note: annotate '_textSelectionInsertionPointFilter' 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
185 |     !textSelection.isLogical && textSelection.textRanges.contains(where: \.isEmpty)
186 | }
Build complete! (12.83s)
Build complete.
{
  "dependencies" : [
  ],
  "manifest_display_name" : "STTextKitPlus",
  "name" : "STTextKitPlus",
  "path" : "/Users/admin/builder/spi-builder-workspace",
  "platforms" : [
    {
      "name" : "macos",
      "version" : "12.0"
    },
    {
      "name" : "maccatalyst",
      "version" : "15.0"
    },
    {
      "name" : "ios",
      "version" : "15.0"
    }
  ],
  "products" : [
    {
      "name" : "STTextKitPlus",
      "targets" : [
        "STTextKitPlus"
      ],
      "type" : {
        "library" : [
          "automatic"
        ]
      }
    }
  ],
  "targets" : [
    {
      "c99name" : "STTextKitPlus",
      "module_type" : "SwiftTarget",
      "name" : "STTextKitPlus",
      "path" : "Sources/STTextKitPlus",
      "product_memberships" : [
        "STTextKitPlus"
      ],
      "sources" : [
        "NSRange.swift",
        "NSTextContentManager.swift",
        "NSTextLayoutFragment.swift",
        "NSTextLayoutManager.swift",
        "NSTextLineFragment.swift",
        "NSTextLocation+Equatable.swift",
        "NSTextRange.swift"
      ],
      "type" : "library"
    }
  ],
  "tools_version" : "5.7"
}
Done.