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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 Serpent, reference 2.0.3 (31abec), with Swift 6.0 for macOS (SPM) on 5 Nov 2024 02:12:50 UTC.

Swift 6 data race errors: 2

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/ml-archive/Serpent.git
Reference: 2.0.3
Initialized empty Git repository in /Users/admin/builder/spi-builder-workspace/.git/
From https://github.com/ml-archive/Serpent
 * tag               2.0.3      -> FETCH_HEAD
HEAD is now at 31abec1 Merge pull request #173 from nodes-ios/feature/update-podspec
Cloned https://github.com/ml-archive/Serpent.git
Revision (git rev-parse @):
31abec139e5dd74144c542906eb70d73a3f9f3b0
SUCCESS checkout https://github.com/ml-archive/Serpent.git at 2.0.3
========================================
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": "serpent",
      "name": "Serpent",
      "url": "https://github.com/ml-archive/Serpent.git",
      "version": "unspecified",
      "path": "/Users/admin/builder/spi-builder-workspace/.resolve-product-dependencies/.build/checkouts/Serpent",
      "dependencies": [
      ]
    }
  ]
}
Fetching https://github.com/ml-archive/Serpent.git
[1/4514] Fetching serpent
Fetched https://github.com/ml-archive/Serpent.git from cache (11.75s)
Creating working copy for https://github.com/ml-archive/Serpent.git
Working copy of https://github.com/ml-archive/Serpent.git resolved at 2.0.3 (31abec1)
warning: '.resolve-product-dependencies': dependency 'serpent' 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/ml-archive/Serpent.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...
[0/2] Write sources
[1/2] Write swift-version--7754E27361AE5C74.txt
[3/7] Compiling Serpent Serpent.swift
[4/7] Compiling Serpent Operator.swift
[5/7] Compiling Serpent Extensions.swift
/Users/admin/builder/spi-builder-workspace/Sources/Serpent/Extensions.swift:32:20: warning: static property 'customDateFormats' is not concurrency-safe because it is nonisolated global shared mutable state; this is an error in the Swift 6 language mode
 30 |     static fileprivate let internalDateFormatter = DateFormatter()
 31 |     static fileprivate let allowedDateFormats = ["yyyy-MM-dd'T'HH:mm:ssZZZZZ", "yyyy-MM-dd'T'HH:mm:ss", "yyyy-MM-dd"]
 32 | 	static public var customDateFormats: [String] = []
    |                    |- warning: static property 'customDateFormats' is not concurrency-safe because it is nonisolated global shared mutable state; this is an error in the Swift 6 language mode
    |                    |- note: convert 'customDateFormats' to a 'let' constant to make 'Sendable' shared state immutable
    |                    |- note: annotate 'customDateFormats' 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
 33 |
 34 |     public static func fromString<T>(_ string: String) -> T? {
[6/7] Emitting module Serpent
/Users/admin/builder/spi-builder-workspace/Sources/Serpent/BridgingBox.swift:13:13: warning: static property 'sharedBoxCache' is not concurrency-safe because it is nonisolated global shared mutable state; this is an error in the Swift 6 language mode
11 | @objc open class BridgingBox : NSObject, NSCoding {
12 |
13 | 	static var sharedBoxCache = [String : Any]()
   |             |- warning: static property 'sharedBoxCache' is not concurrency-safe because it is nonisolated global shared mutable state; this is an error in the Swift 6 language mode
   |             |- note: convert 'sharedBoxCache' to a 'let' constant to make 'Sendable' shared state immutable
   |             |- note: annotate 'sharedBoxCache' 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
14 |
15 | 	fileprivate var internalValue: Encodable?
/Users/admin/builder/spi-builder-workspace/Sources/Serpent/Extensions.swift:32:20: warning: static property 'customDateFormats' is not concurrency-safe because it is nonisolated global shared mutable state; this is an error in the Swift 6 language mode
 30 |     static fileprivate let internalDateFormatter = DateFormatter()
 31 |     static fileprivate let allowedDateFormats = ["yyyy-MM-dd'T'HH:mm:ssZZZZZ", "yyyy-MM-dd'T'HH:mm:ss", "yyyy-MM-dd"]
 32 | 	static public var customDateFormats: [String] = []
    |                    |- warning: static property 'customDateFormats' is not concurrency-safe because it is nonisolated global shared mutable state; this is an error in the Swift 6 language mode
    |                    |- note: convert 'customDateFormats' to a 'let' constant to make 'Sendable' shared state immutable
    |                    |- note: annotate 'customDateFormats' 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
 33 |
 34 |     public static func fromString<T>(_ string: String) -> T? {
[7/7] Compiling Serpent BridgingBox.swift
/Users/admin/builder/spi-builder-workspace/Sources/Serpent/BridgingBox.swift:13:13: warning: static property 'sharedBoxCache' is not concurrency-safe because it is nonisolated global shared mutable state; this is an error in the Swift 6 language mode
11 | @objc open class BridgingBox : NSObject, NSCoding {
12 |
13 | 	static var sharedBoxCache = [String : Any]()
   |             |- warning: static property 'sharedBoxCache' is not concurrency-safe because it is nonisolated global shared mutable state; this is an error in the Swift 6 language mode
   |             |- note: convert 'sharedBoxCache' to a 'let' constant to make 'Sendable' shared state immutable
   |             |- note: annotate 'sharedBoxCache' 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
14 |
15 | 	fileprivate var internalValue: Encodable?
Build complete! (10.00s)
Build complete.
{
  "dependencies" : [
  ],
  "manifest_display_name" : "Serpent",
  "name" : "Serpent",
  "path" : "/Users/admin/builder/spi-builder-workspace",
  "platforms" : [
  ],
  "products" : [
    {
      "name" : "Serpent",
      "targets" : [
        "Serpent"
      ],
      "type" : {
        "library" : [
          "automatic"
        ]
      }
    }
  ],
  "targets" : [
    {
      "c99name" : "SerpentTests",
      "module_type" : "SwiftTarget",
      "name" : "SerpentTests",
      "path" : "Serpent/SerpentTests",
      "sources" : [
        "Models/CustomOperatorsTestModel.swift",
        "Models/DecodableModel.swift",
        "Models/EnumsTestModel.swift",
        "Models/HexInitializableTestModel.swift",
        "Models/NetworkTestModel.swift",
        "Models/NilTestModel.swift",
        "Models/PerformanceTestModel.swift",
        "Models/PerformanceTestSmallModel.swift",
        "Models/PrimitivesTestModel.swift",
        "Models/SerializableEntityTestModel.swift",
        "Models/SimpleModel.swift",
        "Models/StringInitializableTestModel.swift",
        "Tests/AlamofireExtensionTests.swift",
        "Tests/BridgingBoxTests.swift",
        "Tests/CashierExtensionTests.swift",
        "Tests/CustomOperatorsTests.swift",
        "Tests/DecodableTests.swift",
        "Tests/HexInitalizableTests.swift",
        "Tests/SerializableEntityTests.swift",
        "Tests/SerializableEnumsTests.swift",
        "Tests/SerializableNilEntitiesTests.swift",
        "Tests/SerializablePerformanceTest.swift",
        "Tests/SerializablePrimitivesTests.swift",
        "Tests/StringInitializableTests.swift"
      ],
      "target_dependencies" : [
        "Serpent"
      ],
      "type" : "test"
    },
    {
      "c99name" : "Serpent",
      "module_type" : "SwiftTarget",
      "name" : "Serpent",
      "path" : "Sources/Serpent",
      "product_memberships" : [
        "Serpent"
      ],
      "sources" : [
        "BridgingBox.swift",
        "Extensions.swift",
        "Operator.swift",
        "Serpent.swift"
      ],
      "type" : "library"
    }
  ],
  "tools_version" : "5.3"
}
Done.