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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 Gloss, reference 3.2.1 (efd259), with Swift 6.0 for macOS (SPM) on 1 Nov 2024 13:05:39 UTC.

Swift 6 data race errors: 3

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/hkellaway/Gloss.git
Reference: 3.2.1
Initialized empty Git repository in /Users/admin/builder/spi-builder-workspace/.git/
From https://github.com/hkellaway/Gloss
 * tag               3.2.1      -> FETCH_HEAD
HEAD is now at efd2596 Merge pull request #366 from hkellaway/release/3.2.1
Cloned https://github.com/hkellaway/Gloss.git
Revision (git rev-parse @):
efd25964891ae8a9cfbe2345628ad02fcb9a105c
SUCCESS checkout https://github.com/hkellaway/Gloss.git at 3.2.1
========================================
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": "gloss",
      "name": "Gloss",
      "url": "https://github.com/hkellaway/Gloss.git",
      "version": "unspecified",
      "path": "/Users/admin/builder/spi-builder-workspace/.resolve-product-dependencies/.build/checkouts/Gloss",
      "dependencies": [
      ]
    }
  ]
}
Fetching https://github.com/hkellaway/Gloss.git
[1/3823] Fetching gloss
Fetched https://github.com/hkellaway/Gloss.git from cache (1.25s)
Creating working copy for https://github.com/hkellaway/Gloss.git
Working copy of https://github.com/hkellaway/Gloss.git resolved at 3.2.1 (efd2596)
warning: '.resolve-product-dependencies': dependency 'gloss' 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/hkellaway/Gloss.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
[3/11] Compiling Gloss Gloss.swift
/Users/admin/builder/spi-builder-workspace/Sources/Gloss/Gloss.swift:87:25: warning: var 'GlossDateFormatterISO8601' is not concurrency-safe because it is nonisolated global shared mutable state; this is an error in the Swift 6 language mode
 85 |  - returns: Date formatter.
 86 |  */
 87 | public private(set) var GlossDateFormatterISO8601: DateFormatter = {
    |                         |- warning: var 'GlossDateFormatterISO8601' is not concurrency-safe because it is nonisolated global shared mutable state; this is an error in the Swift 6 language mode
    |                         |- note: convert 'GlossDateFormatterISO8601' to a 'let' constant to make 'Sendable' shared state immutable
    |                         |- note: annotate 'GlossDateFormatterISO8601' 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
 88 |
 89 |     let dateFormatterISO8601 = DateFormatter()
/Users/admin/builder/spi-builder-workspace/Sources/Gloss/Gloss.swift:205:25: warning: var 'GlossKeyPathDelimiter' is not concurrency-safe because it is nonisolated global shared mutable state; this is an error in the Swift 6 language mode
203 |  - returns: Default key path delimiter.
204 |  */
205 | public private(set) var GlossKeyPathDelimiter: String = {
    |                         |- warning: var 'GlossKeyPathDelimiter' is not concurrency-safe because it is nonisolated global shared mutable state; this is an error in the Swift 6 language mode
    |                         |- note: convert 'GlossKeyPathDelimiter' to a 'let' constant to make 'Sendable' shared state immutable
    |                         |- note: annotate 'GlossKeyPathDelimiter' 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
206 |     return "."
207 | }()
[4/11] Compiling Gloss ExtensionEncodable.swift
[5/11] Compiling Gloss Operators.swift
/Users/admin/builder/spi-builder-workspace/Sources/Gloss/Gloss.swift:205:25: warning: var 'GlossKeyPathDelimiter' is not concurrency-safe because it is nonisolated global shared mutable state; this is an error in the Swift 6 language mode
203 |  - returns: Default key path delimiter.
204 |  */
205 | public private(set) var GlossKeyPathDelimiter: String = {
    |                         |- warning: var 'GlossKeyPathDelimiter' is not concurrency-safe because it is nonisolated global shared mutable state; this is an error in the Swift 6 language mode
    |                         |- note: convert 'GlossKeyPathDelimiter' to a 'let' constant to make 'Sendable' shared state immutable
    |                         |- note: annotate 'GlossKeyPathDelimiter' 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
206 |     return "."
207 | }()
/Users/admin/builder/spi-builder-workspace/Sources/Gloss/Decoder.swift:34:23: warning: static property 'logger' is not concurrency-safe because it is nonisolated global shared mutable state; this is an error in the Swift 6 language mode
 32 |
 33 |     /// Default logger
 34 |     public static var logger: Logger = GlossLogger()
    |                       |- warning: static property 'logger' is not concurrency-safe because it is nonisolated global shared mutable state; this is an error in the Swift 6 language mode
    |                       |- note: convert 'logger' to a 'let' constant to make 'Sendable' shared state immutable
    |                       |- note: annotate 'logger' 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
 35 |
 36 |     /**
[6/11] Compiling Gloss ExtensionDecodable.swift
[7/11] Compiling Gloss ExtensionArray.swift
[8/11] Emitting module Gloss
/Users/admin/builder/spi-builder-workspace/Sources/Gloss/Decoder.swift:34:23: warning: static property 'logger' is not concurrency-safe because it is nonisolated global shared mutable state; this is an error in the Swift 6 language mode
 32 |
 33 |     /// Default logger
 34 |     public static var logger: Logger = GlossLogger()
    |                       |- warning: static property 'logger' is not concurrency-safe because it is nonisolated global shared mutable state; this is an error in the Swift 6 language mode
    |                       |- note: convert 'logger' to a 'let' constant to make 'Sendable' shared state immutable
    |                       |- note: annotate 'logger' 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
 35 |
 36 |     /**
/Users/admin/builder/spi-builder-workspace/Sources/Gloss/Gloss.swift:205:25: warning: var 'GlossKeyPathDelimiter' is not concurrency-safe because it is nonisolated global shared mutable state; this is an error in the Swift 6 language mode
203 |  - returns: Default key path delimiter.
204 |  */
205 | public private(set) var GlossKeyPathDelimiter: String = {
    |                         |- warning: var 'GlossKeyPathDelimiter' is not concurrency-safe because it is nonisolated global shared mutable state; this is an error in the Swift 6 language mode
    |                         |- note: convert 'GlossKeyPathDelimiter' to a 'let' constant to make 'Sendable' shared state immutable
    |                         |- note: annotate 'GlossKeyPathDelimiter' 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
206 |     return "."
207 | }()
/Users/admin/builder/spi-builder-workspace/Sources/Gloss/Gloss.swift:87:25: warning: var 'GlossDateFormatterISO8601' is not concurrency-safe because it is nonisolated global shared mutable state; this is an error in the Swift 6 language mode
 85 |  - returns: Date formatter.
 86 |  */
 87 | public private(set) var GlossDateFormatterISO8601: DateFormatter = {
    |                         |- warning: var 'GlossDateFormatterISO8601' is not concurrency-safe because it is nonisolated global shared mutable state; this is an error in the Swift 6 language mode
    |                         |- note: convert 'GlossDateFormatterISO8601' to a 'let' constant to make 'Sendable' shared state immutable
    |                         |- note: annotate 'GlossDateFormatterISO8601' 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
 88 |
 89 |     let dateFormatterISO8601 = DateFormatter()
[9/11] Compiling Gloss Encoder.swift
/Users/admin/builder/spi-builder-workspace/Sources/Gloss/Gloss.swift:87:25: warning: var 'GlossDateFormatterISO8601' is not concurrency-safe because it is nonisolated global shared mutable state; this is an error in the Swift 6 language mode
 85 |  - returns: Date formatter.
 86 |  */
 87 | public private(set) var GlossDateFormatterISO8601: DateFormatter = {
    |                         |- warning: var 'GlossDateFormatterISO8601' is not concurrency-safe because it is nonisolated global shared mutable state; this is an error in the Swift 6 language mode
    |                         |- note: convert 'GlossDateFormatterISO8601' to a 'let' constant to make 'Sendable' shared state immutable
    |                         |- note: annotate 'GlossDateFormatterISO8601' 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
 88 |
 89 |     let dateFormatterISO8601 = DateFormatter()
[10/11] Compiling Gloss Decoder.swift
/Users/admin/builder/spi-builder-workspace/Sources/Gloss/Decoder.swift:34:23: warning: static property 'logger' is not concurrency-safe because it is nonisolated global shared mutable state; this is an error in the Swift 6 language mode
 32 |
 33 |     /// Default logger
 34 |     public static var logger: Logger = GlossLogger()
    |                       |- warning: static property 'logger' is not concurrency-safe because it is nonisolated global shared mutable state; this is an error in the Swift 6 language mode
    |                       |- note: convert 'logger' to a 'let' constant to make 'Sendable' shared state immutable
    |                       |- note: annotate 'logger' 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
 35 |
 36 |     /**
/Users/admin/builder/spi-builder-workspace/Sources/Gloss/Gloss.swift:205:25: warning: var 'GlossKeyPathDelimiter' is not concurrency-safe because it is nonisolated global shared mutable state; this is an error in the Swift 6 language mode
203 |  - returns: Default key path delimiter.
204 |  */
205 | public private(set) var GlossKeyPathDelimiter: String = {
    |                         |- warning: var 'GlossKeyPathDelimiter' is not concurrency-safe because it is nonisolated global shared mutable state; this is an error in the Swift 6 language mode
    |                         |- note: convert 'GlossKeyPathDelimiter' to a 'let' constant to make 'Sendable' shared state immutable
    |                         |- note: annotate 'GlossKeyPathDelimiter' 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
206 |     return "."
207 | }()
/Users/admin/builder/spi-builder-workspace/Sources/Gloss/Gloss.swift:87:25: warning: var 'GlossDateFormatterISO8601' is not concurrency-safe because it is nonisolated global shared mutable state; this is an error in the Swift 6 language mode
 85 |  - returns: Date formatter.
 86 |  */
 87 | public private(set) var GlossDateFormatterISO8601: DateFormatter = {
    |                         |- warning: var 'GlossDateFormatterISO8601' is not concurrency-safe because it is nonisolated global shared mutable state; this is an error in the Swift 6 language mode
    |                         |- note: convert 'GlossDateFormatterISO8601' to a 'let' constant to make 'Sendable' shared state immutable
    |                         |- note: annotate 'GlossDateFormatterISO8601' 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
 88 |
 89 |     let dateFormatterISO8601 = DateFormatter()
[11/11] Compiling Gloss ExtensionDictionary.swift
/Users/admin/builder/spi-builder-workspace/Sources/Gloss/Gloss.swift:205:25: warning: var 'GlossKeyPathDelimiter' is not concurrency-safe because it is nonisolated global shared mutable state; this is an error in the Swift 6 language mode
203 |  - returns: Default key path delimiter.
204 |  */
205 | public private(set) var GlossKeyPathDelimiter: String = {
    |                         |- warning: var 'GlossKeyPathDelimiter' is not concurrency-safe because it is nonisolated global shared mutable state; this is an error in the Swift 6 language mode
    |                         |- note: convert 'GlossKeyPathDelimiter' to a 'let' constant to make 'Sendable' shared state immutable
    |                         |- note: annotate 'GlossKeyPathDelimiter' 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
206 |     return "."
207 | }()
Build complete! (13.15s)
Build complete.
{
  "dependencies" : [
  ],
  "manifest_display_name" : "Gloss",
  "name" : "Gloss",
  "path" : "/Users/admin/builder/spi-builder-workspace",
  "platforms" : [
  ],
  "products" : [
    {
      "name" : "Gloss",
      "targets" : [
        "Gloss"
      ],
      "type" : {
        "library" : [
          "automatic"
        ]
      }
    }
  ],
  "targets" : [
    {
      "c99name" : "GlossTests",
      "module_type" : "SwiftTarget",
      "name" : "GlossTests",
      "path" : "Sources/GlossTests",
      "sources" : [
        "Comparators.swift",
        "DecoderTests.swift",
        "EncoderTests.swift",
        "Fakes/FakeLogger.swift",
        "FlowObjectCreationTests.swift",
        "GlossTests.swift",
        "KeyPathTests.swift",
        "ObjectToJSONFlowTests.swift",
        "OperatorTests.swift",
        "Test Models/TestFailableModel.swift",
        "Test Models/TestKeyPathModel.swift",
        "Test Models/TestKeyPathModelCustomDelimiter.swift",
        "Test Models/TestModel.swift",
        "Test Models/TestNestedKeyPathModel.swift",
        "Test Models/TestNestedModel.swift",
        "Test Models/TestUnknownTypeModel.swift"
      ],
      "target_dependencies" : [
        "Gloss"
      ],
      "type" : "test"
    },
    {
      "c99name" : "Gloss",
      "module_type" : "SwiftTarget",
      "name" : "Gloss",
      "path" : "Sources/Gloss",
      "product_memberships" : [
        "Gloss"
      ],
      "sources" : [
        "Decoder.swift",
        "Encoder.swift",
        "ExtensionArray.swift",
        "ExtensionDecodable.swift",
        "ExtensionDictionary.swift",
        "ExtensionEncodable.swift",
        "Gloss.swift",
        "Operators.swift"
      ],
      "type" : "library"
    }
  ],
  "tools_version" : "5.1"
}
Done.