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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 URLFormat with Swift 6.0 for macOS (SPM).

Swift 6 data race errors: 1

Build Command

env DEVELOPER_DIR=/Applications/Xcode-15.3.0.app xcrun --toolchain org.swift.600202405261a swift build --arch arm64 -Xswiftc -Xfrontend -Xswiftc -stats-output-dir -Xswiftc -Xfrontend -Xswiftc .stats -Xswiftc -strict-concurrency=complete

Build Log

========================================
RunAll
========================================
Builder version: 4.40.0
Interrupt handler set up.
========================================
Checkout
========================================
Clone URL: https://github.com/ilyapuchka/URLFormat.git
Reference: master
Initialized empty Git repository in /Users/admin/builder/spi-builder-workspace/.git/
From https://github.com/ilyapuchka/URLFormat
 * branch            master     -> FETCH_HEAD
 * [new branch]      master     -> origin/master
HEAD is now at 0f50393 Merge pull request #2 from richardgroves/patch-1
Cloned https://github.com/ilyapuchka/URLFormat.git
Revision (git rev-parse @):
0f5039308906fedfaa7445bcab729670ac609150
SUCCESS checkout https://github.com/ilyapuchka/URLFormat.git at master
========================================
Build
========================================
Selected platform:         macosSpm
Swift version:             6.0
Building package at path:  $workDir
https://github.com/ilyapuchka/URLFormat.git
Running build ...
env DEVELOPER_DIR=/Applications/Xcode-15.3.0.app xcrun --toolchain org.swift.600202405261a swift build --arch arm64 -Xswiftc -Xfrontend -Xswiftc -stats-output-dir -Xswiftc -Xfrontend -Xswiftc .stats -Xswiftc -strict-concurrency=complete
Building for debugging...
[0/4] Write sources
[3/4] Write swift-version-6F35C1178C84523A.txt
[5/38] Emitting module Prelude
[6/41] Compiling Prelude Alt.swift
[7/41] Compiling Prelude Array.swift
[8/41] Compiling Prelude Collection.swift
[9/41] Compiling Prelude CommutativeRing.swift
[10/41] Compiling Prelude Strong.swift
[11/41] Compiling Prelude Tuple.swift
[12/41] Compiling Prelude Unit.swift
[13/41] Compiling Prelude Equatable.swift
[14/41] Compiling Prelude EuclideanRing.swift
[15/41] Compiling Prelude Field.swift
[16/41] Compiling Prelude Filterable.swift
[17/41] Compiling Prelude Ring.swift
[18/41] Compiling Prelude Semigroup.swift
[19/41] Compiling Prelude Semiring.swift
[20/41] Compiling Prelude FreeNearSemiring.swift
[21/41] Compiling Prelude Func.swift
[22/41] Compiling Prelude Function.swift
[23/41] Compiling Prelude HeytingAlgebra.swift
[24/41] Compiling Prelude Parallel.swift
[25/41] Compiling Prelude Plus.swift
[26/41] Compiling Prelude PrecedenceGroups.swift
[27/41] Compiling Prelude Sequence.swift
[28/41] Compiling Prelude Set.swift
[29/41] Compiling Prelude String.swift
[30/41] Compiling Prelude Hole.swift
[31/41] Compiling Prelude IO.swift
[32/41] Compiling Prelude KeyPath.swift
[33/41] Compiling Prelude Monoid.swift
[34/41] Compiling Prelude Comparable.swift
[35/41] Compiling Prelude Comparator.swift
[36/41] Compiling Prelude Curry.swift
[37/41] Compiling Prelude Endo.swift
[38/41] Compiling Prelude NearSemiring.swift
[39/41] Compiling Prelude Never.swift
[40/41] Compiling Prelude Operators.swift
[41/41] Compiling Prelude Optional.swift
[42/48] Compiling CommonParsers Template.swift
[43/48] Compiling CommonParsers PartialIso.swift
[44/48] Compiling CommonParsers Parser.swift
[45/48] Compiling CommonParsers Parenthesize.swift
[46/48] Compiling CommonParsers Matchable.swift
[47/48] Emitting module CommonParsers
[48/48] Compiling CommonParsers Format.swift
[49/50] Compiling URLFormat URLFormat.swift
/Users/admin/builder/spi-builder-workspace/Sources/URLFormat/URLFormat.swift:14:23: warning: static property 'empty' is not concurrency-safe because it is non-isolated global shared mutable state; this is an error in the Swift 6 language mode
 12 |     }
 13 |
 14 |     public static var empty: URLRequestComponents = URLRequestComponents()
    |                       |- warning: static property 'empty' is not concurrency-safe because it is non-isolated global shared mutable state; this is an error in the Swift 6 language mode
    |                       |- note: convert 'empty' to a 'let' constant to make 'Sendable' shared state immutable
    |                       |- note: annotate 'empty' 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
 15 |
 16 |     public var isEmpty: Bool {
[50/50] Emitting module URLFormat
/Users/admin/builder/spi-builder-workspace/Sources/URLFormat/URLFormat.swift:14:23: warning: static property 'empty' is not concurrency-safe because it is non-isolated global shared mutable state; this is an error in the Swift 6 language mode
 12 |     }
 13 |
 14 |     public static var empty: URLRequestComponents = URLRequestComponents()
    |                       |- warning: static property 'empty' is not concurrency-safe because it is non-isolated global shared mutable state; this is an error in the Swift 6 language mode
    |                       |- note: convert 'empty' to a 'let' constant to make 'Sendable' shared state immutable
    |                       |- note: annotate 'empty' 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
 15 |
 16 |     public var isEmpty: Bool {
Build complete! (28.28s)
Fetching https://github.com/ilyapuchka/common-parsers.git
[1/72] Fetching common-parsers
Fetched https://github.com/ilyapuchka/common-parsers.git from cache (0.76s)
Fetching https://github.com/pointfreeco/swift-prelude.git
[1/3290] Fetching swift-prelude
Fetched https://github.com/pointfreeco/swift-prelude.git from cache (1.06s)
Creating working copy for https://github.com/ilyapuchka/common-parsers.git
Working copy of https://github.com/ilyapuchka/common-parsers.git resolved at master (fb6f45c)
Creating working copy for https://github.com/pointfreeco/swift-prelude.git
Working copy of https://github.com/pointfreeco/swift-prelude.git resolved at master (c61b493)
Build complete.
{
  "dependencies" : [
    {
      "identity" : "common-parsers",
      "requirement" : {
        "branch" : [
          "master"
        ]
      },
      "type" : "sourceControl",
      "url" : "https://github.com/ilyapuchka/common-parsers.git"
    }
  ],
  "manifest_display_name" : "URLFormat",
  "name" : "URLFormat",
  "path" : "/Users/admin/builder/spi-builder-workspace",
  "platforms" : [
  ],
  "products" : [
    {
      "name" : "URLFormat",
      "targets" : [
        "URLFormat"
      ],
      "type" : {
        "library" : [
          "automatic"
        ]
      }
    }
  ],
  "targets" : [
    {
      "c99name" : "URLFormatTests",
      "module_type" : "SwiftTarget",
      "name" : "URLFormatTests",
      "path" : "Tests/URLFormatTests",
      "sources" : [
        "URLFormatTests.swift"
      ],
      "target_dependencies" : [
        "URLFormat"
      ],
      "type" : "test"
    },
    {
      "c99name" : "URLFormat",
      "module_type" : "SwiftTarget",
      "name" : "URLFormat",
      "path" : "Sources/URLFormat",
      "product_dependencies" : [
        "CommonParsers"
      ],
      "product_memberships" : [
        "URLFormat"
      ],
      "sources" : [
        "URLFormat.swift"
      ],
      "type" : "library"
    }
  ],
  "tools_version" : "5.1"
}
Done.
This is a staging environment. For live and up-to-date package information, visit swiftpackageindex.com.