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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 CommonParsers, reference master (fb6f45), with Swift 6.0 for macOS (SPM) on 1 Nov 2024 04:38:43 UTC.

Swift 6 data race errors: 1

Build Command

env DEVELOPER_DIR=/Applications/Xcode-16.1.0.app xcrun swift build --arch arm64 -Xswiftc -Xfrontend -Xswiftc -stats-output-dir -Xswiftc -Xfrontend -Xswiftc .stats -Xswiftc -strict-concurrency=complete

Build Log

========================================
RunAll
========================================
Builder version: 4.56.0
Interrupt handler set up.
========================================
Checkout
========================================
Clone URL: https://github.com/ilyapuchka/common-parsers.git
Reference: master
Initialized empty Git repository in /Users/admin/builder/spi-builder-workspace/.git/
From https://github.com/ilyapuchka/common-parsers
 * branch            master     -> FETCH_HEAD
 * [new branch]      master     -> origin/master
HEAD is now at fb6f45c print template without parameters
Cloned https://github.com/ilyapuchka/common-parsers.git
Revision (git rev-parse @):
fb6f45cc44c4bd3b1385bf57e67755944e405ede
SUCCESS checkout https://github.com/ilyapuchka/common-parsers.git at master
Fetching https://github.com/pointfreeco/swift-prelude.git
[1/3294] Fetching swift-prelude
Fetched https://github.com/pointfreeco/swift-prelude.git from cache (0.96s)
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)
========================================
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": "common-parsers",
      "name": "CommonParsers",
      "url": "https://github.com/ilyapuchka/common-parsers.git",
      "version": "unspecified",
      "path": "/Users/admin/builder/spi-builder-workspace/.resolve-product-dependencies/.build/checkouts/common-parsers",
      "dependencies": [
        {
          "identity": "swift-prelude",
          "name": "Prelude",
          "url": "https://github.com/pointfreeco/swift-prelude.git",
          "version": "unspecified",
          "path": "/Users/admin/builder/spi-builder-workspace/.resolve-product-dependencies/.build/checkouts/swift-prelude",
          "dependencies": [
          ]
        }
      ]
    }
  ]
}
Fetching https://github.com/ilyapuchka/common-parsers.git
[1/72] Fetching common-parsers
Fetched https://github.com/ilyapuchka/common-parsers.git from cache (0.68s)
Fetching https://github.com/pointfreeco/swift-prelude.git from cache
Fetched https://github.com/pointfreeco/swift-prelude.git from cache (0.47s)
Creating working copy for https://github.com/pointfreeco/swift-prelude.git
Working copy of https://github.com/pointfreeco/swift-prelude.git resolved at master (b4ceef2)
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)
warning: '.resolve-product-dependencies': dependency 'common-parsers' is not used by any target
Found 1 product dependencies
  - Prelude
========================================
Build
========================================
Selected platform:         macosSpm
Swift version:             6.0
Building package at path:  $PWD
https://github.com/ilyapuchka/common-parsers.git
Running build ...
env DEVELOPER_DIR=/Applications/Xcode-16.1.0.app xcrun swift build --arch arm64 -Xswiftc -Xfrontend -Xswiftc -stats-output-dir -Xswiftc -Xfrontend -Xswiftc .stats -Xswiftc -strict-concurrency=complete
Building for debugging...
[0/3] Write sources
[2/3] Write swift-version--7754E27361AE5C74.txt
[4/37] Emitting module Prelude
[5/40] Compiling Prelude FreeNearSemiring.swift
[6/40] Compiling Prelude Func.swift
[7/40] Compiling Prelude Function.swift
[8/40] Compiling Prelude HeytingAlgebra.swift
[9/40] Compiling Prelude Alt.swift
[10/40] Compiling Prelude Array.swift
[11/40] Compiling Prelude Collection.swift
[12/40] Compiling Prelude CommutativeRing.swift
[13/40] Compiling Prelude Comparable.swift
[14/40] Compiling Prelude Comparator.swift
[15/40] Compiling Prelude Curry.swift
[16/40] Compiling Prelude Endo.swift
[17/40] Compiling Prelude Strong.swift
[18/40] Compiling Prelude Tuple.swift
[19/40] Compiling Prelude Unit.swift
[20/40] Compiling Prelude Ring.swift
[21/40] Compiling Prelude Semigroup.swift
[22/40] Compiling Prelude Semiring.swift
[23/40] Compiling Prelude Parallel.swift
[24/40] Compiling Prelude Plus.swift
[25/40] Compiling Prelude PrecedenceGroups.swift
[26/40] Compiling Prelude NearSemiring.swift
[27/40] Compiling Prelude Never.swift
[28/40] Compiling Prelude Operators.swift
[29/40] Compiling Prelude Optional.swift
[30/40] Compiling Prelude Equatable.swift
[31/40] Compiling Prelude EuclideanRing.swift
[32/40] Compiling Prelude Field.swift
[33/40] Compiling Prelude Filterable.swift
[34/40] Compiling Prelude Sequence.swift
[35/40] Compiling Prelude Set.swift
[36/40] Compiling Prelude String.swift
[37/40] Compiling Prelude Hole.swift
[38/40] Compiling Prelude IO.swift
[39/40] Compiling Prelude KeyPath.swift
[40/40] Compiling Prelude Monoid.swift
[41/47] Compiling CommonParsers Template.swift
[42/47] Compiling CommonParsers Parser.swift
[43/47] Compiling CommonParsers PartialIso.swift
/Users/admin/builder/spi-builder-workspace/Sources/CommonParsers/PartialIso.swift:212:12: warning: let 'jsonDictionaryToData' is not concurrency-safe because non-'Sendable' type 'PartialIso<[String : String], Data>' may have shared mutable state; this is an error in the Swift 6 language mode
 20 | }
 21 |
 22 | public struct PartialIso<A, B> {
    |               `- note: consider making generic struct 'PartialIso' conform to the 'Sendable' protocol
 23 |     public let apply: (A) throws -> B?
 24 |     public let unapply: (B) throws -> A?
    :
210 | }
211 |
212 | public let jsonDictionaryToData = PartialIso<[String: String], Data>(
    |            |- warning: let 'jsonDictionaryToData' is not concurrency-safe because non-'Sendable' type 'PartialIso<[String : String], Data>' may have shared mutable state; this is an error in the Swift 6 language mode
    |            |- note: annotate 'jsonDictionaryToData' 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
213 |     apply: { try? JSONSerialization.data(withJSONObject: $0) },
214 |     unapply: {
[44/47] Emitting module CommonParsers
/Users/admin/builder/spi-builder-workspace/Sources/CommonParsers/PartialIso.swift:212:12: warning: let 'jsonDictionaryToData' is not concurrency-safe because non-'Sendable' type 'PartialIso<[String : String], Data>' may have shared mutable state; this is an error in the Swift 6 language mode
 20 | }
 21 |
 22 | public struct PartialIso<A, B> {
    |               `- note: consider making generic struct 'PartialIso' conform to the 'Sendable' protocol
 23 |     public let apply: (A) throws -> B?
 24 |     public let unapply: (B) throws -> A?
    :
210 | }
211 |
212 | public let jsonDictionaryToData = PartialIso<[String: String], Data>(
    |            |- warning: let 'jsonDictionaryToData' is not concurrency-safe because non-'Sendable' type 'PartialIso<[String : String], Data>' may have shared mutable state; this is an error in the Swift 6 language mode
    |            |- note: annotate 'jsonDictionaryToData' 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
213 |     apply: { try? JSONSerialization.data(withJSONObject: $0) },
214 |     unapply: {
[45/47] Compiling CommonParsers Format.swift
[46/47] Compiling CommonParsers Parenthesize.swift
[47/47] Compiling CommonParsers Matchable.swift
/Users/admin/builder/spi-builder-workspace/Sources/CommonParsers/Matchable.swift:10:23: warning: forming 'UnsafeRawPointer' to a variable of type 'Root'; this is likely incorrect because 'Root' may contain an object reference.
  8 |             var otherRoot = embed(value)
  9 |             var root = root
 10 |             if memcmp(&root, &otherRoot, MemoryLayout<Root>.size) == 0 {
    |                       `- warning: forming 'UnsafeRawPointer' to a variable of type 'Root'; this is likely incorrect because 'Root' may contain an object reference.
 11 |                 return ([], value)
 12 |             }
/Users/admin/builder/spi-builder-workspace/Sources/CommonParsers/Matchable.swift:10:30: warning: forming 'UnsafeRawPointer' to a variable of type 'Root'; this is likely incorrect because 'Root' may contain an object reference.
  8 |             var otherRoot = embed(value)
  9 |             var root = root
 10 |             if memcmp(&root, &otherRoot, MemoryLayout<Root>.size) == 0 {
    |                              `- warning: forming 'UnsafeRawPointer' to a variable of type 'Root'; this is likely incorrect because 'Root' may contain an object reference.
 11 |                 return ([], value)
 12 |             }
Build complete! (13.55s)
Build complete.
{
  "dependencies" : [
    {
      "identity" : "swift-prelude",
      "requirement" : {
        "branch" : [
          "master"
        ]
      },
      "type" : "sourceControl",
      "url" : "https://github.com/pointfreeco/swift-prelude.git"
    }
  ],
  "manifest_display_name" : "CommonParsers",
  "name" : "CommonParsers",
  "path" : "/Users/admin/builder/spi-builder-workspace",
  "platforms" : [
  ],
  "products" : [
    {
      "name" : "CommonParsers",
      "targets" : [
        "CommonParsers"
      ],
      "type" : {
        "library" : [
          "automatic"
        ]
      }
    }
  ],
  "targets" : [
    {
      "c99name" : "CommonParsersTests",
      "module_type" : "SwiftTarget",
      "name" : "CommonParsersTests",
      "path" : "Tests/CommonParsersTests",
      "sources" : [
        "CommonParsersTests.swift",
        "XCTestManifests.swift"
      ],
      "target_dependencies" : [
        "CommonParsers"
      ],
      "type" : "test"
    },
    {
      "c99name" : "CommonParsers",
      "module_type" : "SwiftTarget",
      "name" : "CommonParsers",
      "path" : "Sources/CommonParsers",
      "product_dependencies" : [
        "Prelude"
      ],
      "product_memberships" : [
        "CommonParsers"
      ],
      "sources" : [
        "Format.swift",
        "Matchable.swift",
        "Parenthesize.swift",
        "Parser.swift",
        "PartialIso.swift",
        "Template.swift"
      ],
      "type" : "library"
    }
  ],
  "tools_version" : "5.0"
}
Done.