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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 Veximoji, reference main (704bef), with Swift 6.1 for macOS (SPM) on 26 Apr 2025 23:20:01 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/roz0n/Veximoji.git
Reference: main
Initialized empty Git repository in /Users/admin/builder/spi-builder-workspace/.git/
From https://github.com/roz0n/Veximoji
 * branch            main       -> FETCH_HEAD
 * [new branch]      main       -> origin/main
HEAD is now at 704bef4 Release 2.1.0 (#6)
Cloned https://github.com/roz0n/Veximoji.git
Revision (git rev-parse @):
704bef490dc8c1d68c2afdc7fefc2faeafb00d95
SUCCESS checkout https://github.com/roz0n/Veximoji.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": "veximoji",
      "name": "Veximoji",
      "url": "https://github.com/roz0n/Veximoji.git",
      "version": "unspecified",
      "path": "/Users/admin/builder/spi-builder-workspace/.resolve-product-dependencies/.build/checkouts/Veximoji",
      "dependencies": [
      ]
    }
  ]
}
Fetching https://github.com/roz0n/Veximoji.git
[1/238] Fetching veximoji
Fetched https://github.com/roz0n/Veximoji.git from cache (0.72s)
Creating working copy for https://github.com/roz0n/Veximoji.git
Working copy of https://github.com/roz0n/Veximoji.git resolved at main (704bef4)
warning: '.resolve-product-dependencies': dependency 'veximoji' 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/roz0n/Veximoji.git
https://github.com/roz0n/Veximoji.git
{
  "dependencies" : [
  ],
  "manifest_display_name" : "Veximoji",
  "name" : "Veximoji",
  "path" : "/Users/admin/builder/spi-builder-workspace",
  "platforms" : [
    {
      "name" : "ios",
      "version" : "12.0"
    },
    {
      "name" : "macos",
      "version" : "10.14"
    },
    {
      "name" : "watchos",
      "version" : "3.0"
    },
    {
      "name" : "tvos",
      "version" : "11.0"
    }
  ],
  "products" : [
    {
      "name" : "Veximoji",
      "targets" : [
        "Veximoji"
      ],
      "type" : {
        "library" : [
          "automatic"
        ]
      }
    }
  ],
  "targets" : [
    {
      "c99name" : "VeximojiTests",
      "module_type" : "SwiftTarget",
      "name" : "VeximojiTests",
      "path" : "Tests/VeximojiTests",
      "sources" : [
        "VeximojiTests.swift",
        "XCTestManifests.swift"
      ],
      "target_dependencies" : [
        "Veximoji"
      ],
      "type" : "test"
    },
    {
      "c99name" : "Veximoji",
      "module_type" : "SwiftTarget",
      "name" : "Veximoji",
      "path" : "Sources/Veximoji",
      "product_memberships" : [
        "Veximoji"
      ],
      "sources" : [
        "Veximoji.swift"
      ],
      "type" : "library"
    }
  ],
  "tools_version" : "5.0"
}
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
[3/4] Emitting module Veximoji
/Users/admin/builder/spi-builder-workspace/Sources/Veximoji/Veximoji.swift:105:26: warning: static property 'uniqueTermScalars' is not concurrency-safe because non-'Sendable' type '[Veximoji.UniqueTerms : [UInt32]]' may have shared mutable state; this is an error in the Swift 6 language mode
 63 |    */
 64 |   /// - Tag: UniqueTerms
 65 |   public enum UniqueTerms: String, CaseIterable {
    |               `- note: consider making enum 'UniqueTerms' conform to the 'Sendable' protocol
 66 |     case pride = "pride"
 67 |     case trans = "trans"
    :
103 |    */
104 |   /// - Tag: uniqueTermScalars
105 |   fileprivate static let uniqueTermScalars: [UniqueTerms: [UInt32]] = [
    |                          |- warning: static property 'uniqueTermScalars' is not concurrency-safe because non-'Sendable' type '[Veximoji.UniqueTerms : [UInt32]]' may have shared mutable state; this is an error in the Swift 6 language mode
    |                          |- note: add '@MainActor' to make static property 'uniqueTermScalars' part of global actor 'MainActor'
    |                          `- note: disable concurrency-safety checks if accesses are protected by an external synchronization mechanism
106 |     .pride: [UInt32(127987), UInt32(65039), UInt32(8205), UInt32(127752)],
107 |     .trans: [UInt32(127987), UInt32(65039), UInt32(8205), UInt32(9895), UInt32(65039)],
[4/4] Compiling Veximoji Veximoji.swift
/Users/admin/builder/spi-builder-workspace/Sources/Veximoji/Veximoji.swift:105:26: warning: static property 'uniqueTermScalars' is not concurrency-safe because non-'Sendable' type '[Veximoji.UniqueTerms : [UInt32]]' may have shared mutable state; this is an error in the Swift 6 language mode
 63 |    */
 64 |   /// - Tag: UniqueTerms
 65 |   public enum UniqueTerms: String, CaseIterable {
    |               `- note: consider making enum 'UniqueTerms' conform to the 'Sendable' protocol
 66 |     case pride = "pride"
 67 |     case trans = "trans"
    :
103 |    */
104 |   /// - Tag: uniqueTermScalars
105 |   fileprivate static let uniqueTermScalars: [UniqueTerms: [UInt32]] = [
    |                          |- warning: static property 'uniqueTermScalars' is not concurrency-safe because non-'Sendable' type '[Veximoji.UniqueTerms : [UInt32]]' may have shared mutable state; this is an error in the Swift 6 language mode
    |                          |- note: add '@MainActor' to make static property 'uniqueTermScalars' part of global actor 'MainActor'
    |                          `- note: disable concurrency-safety checks if accesses are protected by an external synchronization mechanism
106 |     .pride: [UInt32(127987), UInt32(65039), UInt32(8205), UInt32(127752)],
107 |     .trans: [UInt32(127987), UInt32(65039), UInt32(8205), UInt32(9895), UInt32(65039)],
Build complete! (4.34s)
Build complete.
{
  "dependencies" : [
  ],
  "manifest_display_name" : "Veximoji",
  "name" : "Veximoji",
  "path" : "/Users/admin/builder/spi-builder-workspace",
  "platforms" : [
    {
      "name" : "ios",
      "version" : "12.0"
    },
    {
      "name" : "macos",
      "version" : "10.14"
    },
    {
      "name" : "watchos",
      "version" : "3.0"
    },
    {
      "name" : "tvos",
      "version" : "11.0"
    }
  ],
  "products" : [
    {
      "name" : "Veximoji",
      "targets" : [
        "Veximoji"
      ],
      "type" : {
        "library" : [
          "automatic"
        ]
      }
    }
  ],
  "targets" : [
    {
      "c99name" : "VeximojiTests",
      "module_type" : "SwiftTarget",
      "name" : "VeximojiTests",
      "path" : "Tests/VeximojiTests",
      "sources" : [
        "VeximojiTests.swift",
        "XCTestManifests.swift"
      ],
      "target_dependencies" : [
        "Veximoji"
      ],
      "type" : "test"
    },
    {
      "c99name" : "Veximoji",
      "module_type" : "SwiftTarget",
      "name" : "Veximoji",
      "path" : "Sources/Veximoji",
      "product_memberships" : [
        "Veximoji"
      ],
      "sources" : [
        "Veximoji.swift"
      ],
      "type" : "library"
    }
  ],
  "tools_version" : "5.0"
}
Done.