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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 ObjectCoder, reference main (7b9cf6), with Swift 6.0 for macOS (SPM) on 2 Nov 2024 05:02:31 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/nearfri/ObjectCoder.git
Reference: main
Initialized empty Git repository in /Users/admin/builder/spi-builder-workspace/.git/
From https://github.com/nearfri/ObjectCoder
 * branch            main       -> FETCH_HEAD
 * [new branch]      main       -> origin/main
HEAD is now at 7b9cf69 Update swift.yml
Cloned https://github.com/nearfri/ObjectCoder.git
Revision (git rev-parse @):
7b9cf696e939396a993d57455a774341b252d5d0
SUCCESS checkout https://github.com/nearfri/ObjectCoder.git at main
Fetching https://github.com/mattgallagher/CwlPreconditionTesting
Fetching https://github.com/mattgallagher/CwlCatchException.git
[1/455] Fetching cwlcatchexception
[29/1712] Fetching cwlcatchexception, cwlpreconditiontesting
Fetched https://github.com/mattgallagher/CwlCatchException.git from cache (0.86s)
Fetched https://github.com/mattgallagher/CwlPreconditionTesting from cache (0.86s)
Computing version for https://github.com/mattgallagher/CwlPreconditionTesting
Computed https://github.com/mattgallagher/CwlPreconditionTesting at 2.1.0 (0.62s)
Computing version for https://github.com/mattgallagher/CwlCatchException.git
Computed https://github.com/mattgallagher/CwlCatchException.git at 2.1.1 (0.62s)
Creating working copy for https://github.com/mattgallagher/CwlPreconditionTesting
Working copy of https://github.com/mattgallagher/CwlPreconditionTesting resolved at 2.1.0
Creating working copy for https://github.com/mattgallagher/CwlCatchException.git
Working copy of https://github.com/mattgallagher/CwlCatchException.git resolved at 2.1.1
========================================
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": "objectcoder",
      "name": "ObjectCoder",
      "url": "https://github.com/nearfri/ObjectCoder.git",
      "version": "unspecified",
      "path": "/Users/admin/builder/spi-builder-workspace/.resolve-product-dependencies/.build/checkouts/ObjectCoder",
      "dependencies": [
      ]
    }
  ]
}
Fetching https://github.com/nearfri/ObjectCoder.git
[1/656] Fetching objectcoder
Fetched https://github.com/nearfri/ObjectCoder.git from cache (0.88s)
Creating working copy for https://github.com/nearfri/ObjectCoder.git
Working copy of https://github.com/nearfri/ObjectCoder.git resolved at main (7b9cf69)
warning: '.resolve-product-dependencies': dependency 'objectcoder' is not used by any target
Found 0 product dependencies
========================================
Build
========================================
Selected platform:         macosSpm
Swift version:             6.0
Building package at path:  $PWD
https://github.com/nearfri/ObjectCoder.git
Running build ...
env DEVELOPER_DIR=/Applications/Xcode-16.1.0.app xcrun swift build --arch arm64 -Xswiftc -Xfrontend -Xswiftc -stats-output-dir -Xswiftc -Xfrontend -Xswiftc .stats -Xswiftc -strict-concurrency=complete
Building for debugging...
[0/2] Write sources
[1/2] Write swift-version--7754E27361AE5C74.txt
[3/18] Compiling ObjectCoder ObjectCoder+Combine.swift
[4/18] Compiling ObjectCoder Errors.swift
[5/19] Compiling ObjectCoder ObjectEncoder.swift
/Users/admin/builder/spi-builder-workspace/Sources/ObjectCoder/NilCodingStrategy.swift:32:23: warning: static property 'default' is not concurrency-safe because non-'Sendable' type 'NilCodingStrategy' may have shared mutable state; this is an error in the Swift 6 language mode
 1 | import Foundation
 2 |
 3 | public enum NilCodingStrategy {
   |             `- note: consider making enum 'NilCodingStrategy' conform to the 'Sendable' protocol
 4 |     case null           // NSNull
 5 |     case symbol(String) // symbol like "$null"
   :
30 |
31 | extension NilCodingStrategy {
32 |     public static let `default`: NilCodingStrategy = .symbol(NilCodingStrategy.defaultNilSymbol)
   |                       |- warning: static property 'default' is not concurrency-safe because non-'Sendable' type 'NilCodingStrategy' may have shared mutable state; this is an error in the Swift 6 language mode
   |                       |- note: annotate 'default' 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 |     public static let defaultNilSymbol: String = "$null"
34 | }
[6/19] Compiling ObjectCoder ReferencingEncoder.swift
/Users/admin/builder/spi-builder-workspace/Sources/ObjectCoder/NilCodingStrategy.swift:32:23: warning: static property 'default' is not concurrency-safe because non-'Sendable' type 'NilCodingStrategy' may have shared mutable state; this is an error in the Swift 6 language mode
 1 | import Foundation
 2 |
 3 | public enum NilCodingStrategy {
   |             `- note: consider making enum 'NilCodingStrategy' conform to the 'Sendable' protocol
 4 |     case null           // NSNull
 5 |     case symbol(String) // symbol like "$null"
   :
30 |
31 | extension NilCodingStrategy {
32 |     public static let `default`: NilCodingStrategy = .symbol(NilCodingStrategy.defaultNilSymbol)
   |                       |- warning: static property 'default' is not concurrency-safe because non-'Sendable' type 'NilCodingStrategy' may have shared mutable state; this is an error in the Swift 6 language mode
   |                       |- note: annotate 'default' 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 |     public static let defaultNilSymbol: String = "$null"
34 | }
[7/19] Compiling ObjectCoder SingleValueObjectEncodingContanier.swift
[8/19] Compiling ObjectCoder UnkeyedObjectEncodingContanier.swift
[9/19] Compiling ObjectCoder NilCodingStrategy.swift
/Users/admin/builder/spi-builder-workspace/Sources/ObjectCoder/NilCodingStrategy.swift:32:23: warning: static property 'default' is not concurrency-safe because non-'Sendable' type 'NilCodingStrategy' may have shared mutable state; this is an error in the Swift 6 language mode
 1 | import Foundation
 2 |
 3 | public enum NilCodingStrategy {
   |             `- note: consider making enum 'NilCodingStrategy' conform to the 'Sendable' protocol
 4 |     case null           // NSNull
 5 |     case symbol(String) // symbol like "$null"
   :
30 |
31 | extension NilCodingStrategy {
32 |     public static let `default`: NilCodingStrategy = .symbol(NilCodingStrategy.defaultNilSymbol)
   |                       |- warning: static property 'default' is not concurrency-safe because non-'Sendable' type 'NilCodingStrategy' may have shared mutable state; this is an error in the Swift 6 language mode
   |                       |- note: annotate 'default' 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 |     public static let defaultNilSymbol: String = "$null"
34 | }
[10/19] Compiling ObjectCoder KeyedObjectEncodingContainer.swift
[11/19] Compiling ObjectCoder ObjectContainer.swift
[12/19] Compiling ObjectCoder CodingStorage.swift
[13/19] Compiling ObjectCoder InitializableWithAny.swift
[14/19] Compiling ObjectCoder KeyedObjectDecodingContainer.swift
/Users/admin/builder/spi-builder-workspace/Sources/ObjectCoder/NilCodingStrategy.swift:32:23: warning: static property 'default' is not concurrency-safe because non-'Sendable' type 'NilCodingStrategy' may have shared mutable state; this is an error in the Swift 6 language mode
 1 | import Foundation
 2 |
 3 | public enum NilCodingStrategy {
   |             `- note: consider making enum 'NilCodingStrategy' conform to the 'Sendable' protocol
 4 |     case null           // NSNull
 5 |     case symbol(String) // symbol like "$null"
   :
30 |
31 | extension NilCodingStrategy {
32 |     public static let `default`: NilCodingStrategy = .symbol(NilCodingStrategy.defaultNilSymbol)
   |                       |- warning: static property 'default' is not concurrency-safe because non-'Sendable' type 'NilCodingStrategy' may have shared mutable state; this is an error in the Swift 6 language mode
   |                       |- note: annotate 'default' 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 |     public static let defaultNilSymbol: String = "$null"
34 | }
[15/19] Compiling ObjectCoder ObjectDecoder.swift
/Users/admin/builder/spi-builder-workspace/Sources/ObjectCoder/NilCodingStrategy.swift:32:23: warning: static property 'default' is not concurrency-safe because non-'Sendable' type 'NilCodingStrategy' may have shared mutable state; this is an error in the Swift 6 language mode
 1 | import Foundation
 2 |
 3 | public enum NilCodingStrategy {
   |             `- note: consider making enum 'NilCodingStrategy' conform to the 'Sendable' protocol
 4 |     case null           // NSNull
 5 |     case symbol(String) // symbol like "$null"
   :
30 |
31 | extension NilCodingStrategy {
32 |     public static let `default`: NilCodingStrategy = .symbol(NilCodingStrategy.defaultNilSymbol)
   |                       |- warning: static property 'default' is not concurrency-safe because non-'Sendable' type 'NilCodingStrategy' may have shared mutable state; this is an error in the Swift 6 language mode
   |                       |- note: annotate 'default' 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 |     public static let defaultNilSymbol: String = "$null"
34 | }
[16/19] Emitting module ObjectCoder
/Users/admin/builder/spi-builder-workspace/Sources/ObjectCoder/NilCodingStrategy.swift:32:23: warning: static property 'default' is not concurrency-safe because non-'Sendable' type 'NilCodingStrategy' may have shared mutable state; this is an error in the Swift 6 language mode
 1 | import Foundation
 2 |
 3 | public enum NilCodingStrategy {
   |             `- note: consider making enum 'NilCodingStrategy' conform to the 'Sendable' protocol
 4 |     case null           // NSNull
 5 |     case symbol(String) // symbol like "$null"
   :
30 |
31 | extension NilCodingStrategy {
32 |     public static let `default`: NilCodingStrategy = .symbol(NilCodingStrategy.defaultNilSymbol)
   |                       |- warning: static property 'default' is not concurrency-safe because non-'Sendable' type 'NilCodingStrategy' may have shared mutable state; this is an error in the Swift 6 language mode
   |                       |- note: annotate 'default' 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 |     public static let defaultNilSymbol: String = "$null"
34 | }
[17/19] Compiling ObjectCoder SingleValueObjectDecodingContainer.swift
[18/19] Compiling ObjectCoder UnkeyedObjectDecodingContainer.swift
[19/19] Compiling ObjectCoder ObjectKey.swift
Build complete! (15.61s)
Build complete.
{
  "dependencies" : [
    {
      "identity" : "cwlpreconditiontesting",
      "requirement" : {
        "range" : [
          {
            "lower_bound" : "2.0.0",
            "upper_bound" : "3.0.0"
          }
        ]
      },
      "type" : "sourceControl",
      "url" : "https://github.com/mattgallagher/CwlPreconditionTesting"
    }
  ],
  "manifest_display_name" : "ObjectCoder",
  "name" : "ObjectCoder",
  "path" : "/Users/admin/builder/spi-builder-workspace",
  "platforms" : [
  ],
  "products" : [
    {
      "name" : "ObjectCoder",
      "targets" : [
        "ObjectCoder"
      ],
      "type" : {
        "library" : [
          "automatic"
        ]
      }
    }
  ],
  "targets" : [
    {
      "c99name" : "ObjectCoderTests",
      "module_type" : "SwiftTarget",
      "name" : "ObjectCoderTests",
      "path" : "Tests/ObjectCoderTests",
      "product_dependencies" : [
        "CwlPreconditionTesting"
      ],
      "sources" : [
        "ObjectCoderTests.swift"
      ],
      "target_dependencies" : [
        "ObjectCoder"
      ],
      "type" : "test"
    },
    {
      "c99name" : "ObjectCoder",
      "module_type" : "SwiftTarget",
      "name" : "ObjectCoder",
      "path" : "Sources/ObjectCoder",
      "product_memberships" : [
        "ObjectCoder"
      ],
      "sources" : [
        "CodingStorage.swift",
        "Decoder/InitializableWithAny.swift",
        "Decoder/KeyedObjectDecodingContainer.swift",
        "Decoder/ObjectDecoder.swift",
        "Decoder/SingleValueObjectDecodingContainer.swift",
        "Decoder/UnkeyedObjectDecodingContainer.swift",
        "Encoder/KeyedObjectEncodingContainer.swift",
        "Encoder/ObjectContainer.swift",
        "Encoder/ObjectEncoder.swift",
        "Encoder/ReferencingEncoder.swift",
        "Encoder/SingleValueObjectEncodingContanier.swift",
        "Encoder/UnkeyedObjectEncodingContanier.swift",
        "Errors.swift",
        "NilCodingStrategy.swift",
        "ObjectCoder+Combine.swift",
        "ObjectKey.swift"
      ],
      "type" : "library"
    }
  ],
  "tools_version" : "5.3"
}
Done.