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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 AwsSigv4, reference master (5445f8), with Swift 6.0 for macOS (SPM) on 31 Oct 2024 14:52:39 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/vkill/swift-aws-sigv4.git
Reference: master
Initialized empty Git repository in /Users/admin/builder/spi-builder-workspace/.git/
From https://github.com/vkill/swift-aws-sigv4
 * branch            master     -> FETCH_HEAD
 * [new branch]      master     -> origin/master
HEAD is now at 5445f8e Upgrade swift-tools-version to 5.0
Cloned https://github.com/vkill/swift-aws-sigv4.git
Revision (git rev-parse @):
5445f8ee60d1d067e993a4973b3c59311c36d142
SUCCESS checkout https://github.com/vkill/swift-aws-sigv4.git at master
========================================
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": "swift-aws-sigv4",
      "name": "AwsSigv4",
      "url": "https://github.com/vkill/swift-aws-sigv4.git",
      "version": "unspecified",
      "path": "/Users/admin/builder/spi-builder-workspace/.resolve-product-dependencies/.build/checkouts/swift-aws-sigv4",
      "dependencies": [
      ]
    }
  ]
}
Fetching https://github.com/vkill/swift-aws-sigv4.git
[1/234] Fetching swift-aws-sigv4
Fetched https://github.com/vkill/swift-aws-sigv4.git from cache (0.70s)
Creating working copy for https://github.com/vkill/swift-aws-sigv4.git
Working copy of https://github.com/vkill/swift-aws-sigv4.git resolved at master (5445f8e)
warning: '.resolve-product-dependencies': dependency 'swift-aws-sigv4' 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/vkill/swift-aws-sigv4.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
[3/10] Emitting module AwsSigv4
/Users/admin/builder/spi-builder-workspace/Sources/AwsSigv4/AwsSigv4Signer.swift:34:23: warning: static property 'queryAllowed' is not concurrency-safe because it is nonisolated global shared mutable state; this is an error in the Swift 6 language mode
 32 |     private let applyChecksumHeader = true
 33 |
 34 |     public static var queryAllowed = CharacterSet(charactersIn: "0123456789abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ-._~=&")
    |                       |- warning: static property 'queryAllowed' is not concurrency-safe because it is nonisolated global shared mutable state; this is an error in the Swift 6 language mode
    |                       |- note: convert 'queryAllowed' to a 'let' constant to make 'Sendable' shared state immutable
    |                       |- note: annotate 'queryAllowed' 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 |     public static var pathAllowed = CharacterSet(charactersIn: "0123456789abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ-._~/")
 36 |
/Users/admin/builder/spi-builder-workspace/Sources/AwsSigv4/AwsSigv4Signer.swift:35:23: warning: static property 'pathAllowed' is not concurrency-safe because it is nonisolated global shared mutable state; this is an error in the Swift 6 language mode
 33 |
 34 |     public static var queryAllowed = CharacterSet(charactersIn: "0123456789abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ-._~=&")
 35 |     public static var pathAllowed = CharacterSet(charactersIn: "0123456789abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ-._~/")
    |                       |- warning: static property 'pathAllowed' is not concurrency-safe because it is nonisolated global shared mutable state; this is an error in the Swift 6 language mode
    |                       |- note: convert 'pathAllowed' to a 'let' constant to make 'Sendable' shared state immutable
    |                       |- note: annotate 'pathAllowed' 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
 36 |
 37 |     public init(
[4/10] Compiling AwsSigv4 AwsSigv4Signature.swift
[5/10] Compiling AwsSigv4 Data+hexEncodedString.swift
[6/10] Compiling AwsSigv4 AwsSigv4Crypto.swift
[7/10] Compiling AwsSigv4 AwsSigv4Credentials.swift
[8/10] Compiling AwsSigv4 AwsSigv4Errors.swift
[9/10] Compiling AwsSigv4 AwsSigv4Signer.swift
/Users/admin/builder/spi-builder-workspace/Sources/AwsSigv4/AwsSigv4Signer.swift:34:23: warning: static property 'queryAllowed' is not concurrency-safe because it is nonisolated global shared mutable state; this is an error in the Swift 6 language mode
 32 |     private let applyChecksumHeader = true
 33 |
 34 |     public static var queryAllowed = CharacterSet(charactersIn: "0123456789abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ-._~=&")
    |                       |- warning: static property 'queryAllowed' is not concurrency-safe because it is nonisolated global shared mutable state; this is an error in the Swift 6 language mode
    |                       |- note: convert 'queryAllowed' to a 'let' constant to make 'Sendable' shared state immutable
    |                       |- note: annotate 'queryAllowed' 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 |     public static var pathAllowed = CharacterSet(charactersIn: "0123456789abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ-._~/")
 36 |
/Users/admin/builder/spi-builder-workspace/Sources/AwsSigv4/AwsSigv4Signer.swift:35:23: warning: static property 'pathAllowed' is not concurrency-safe because it is nonisolated global shared mutable state; this is an error in the Swift 6 language mode
 33 |
 34 |     public static var queryAllowed = CharacterSet(charactersIn: "0123456789abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ-._~=&")
 35 |     public static var pathAllowed = CharacterSet(charactersIn: "0123456789abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ-._~/")
    |                       |- warning: static property 'pathAllowed' is not concurrency-safe because it is nonisolated global shared mutable state; this is an error in the Swift 6 language mode
    |                       |- note: convert 'pathAllowed' to a 'let' constant to make 'Sendable' shared state immutable
    |                       |- note: annotate 'pathAllowed' 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
 36 |
 37 |     public init(
[10/10] Compiling AwsSigv4 AwsSigv4Request.swift
Build complete! (8.34s)
Build complete.
{
  "dependencies" : [
  ],
  "manifest_display_name" : "AwsSigv4",
  "name" : "AwsSigv4",
  "path" : "/Users/admin/builder/spi-builder-workspace",
  "platforms" : [
  ],
  "products" : [
    {
      "name" : "AwsSigv4",
      "targets" : [
        "AwsSigv4"
      ],
      "type" : {
        "library" : [
          "automatic"
        ]
      }
    }
  ],
  "targets" : [
    {
      "c99name" : "AwsSigv4Tests",
      "module_type" : "SwiftTarget",
      "name" : "AwsSigv4Tests",
      "path" : "Tests/AwsSigv4Tests",
      "sources" : [
        "AwsSigv4CredentialsTests.swift",
        "XCTestManifests.swift"
      ],
      "target_dependencies" : [
        "AwsSigv4"
      ],
      "type" : "test"
    },
    {
      "c99name" : "AwsSigv4",
      "module_type" : "SwiftTarget",
      "name" : "AwsSigv4",
      "path" : "Sources/AwsSigv4",
      "product_memberships" : [
        "AwsSigv4"
      ],
      "sources" : [
        "AwsSigv4Credentials.swift",
        "AwsSigv4Crypto.swift",
        "AwsSigv4Errors.swift",
        "AwsSigv4Request.swift",
        "AwsSigv4Signature.swift",
        "AwsSigv4Signer.swift",
        "Data+hexEncodedString.swift"
      ],
      "type" : "library"
    }
  ],
  "tools_version" : "5.0"
}
Done.