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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 URLQueryItemEncoder, reference master (8b4530), with Swift 6.0 for Linux on 31 Oct 2024 23:54:53 UTC.

Swift 6 data race errors: 2

Build Command

bash -c docker run --pull=always --rm -v "checkouts-4606859-1":/host -w "$PWD" registry.gitlab.com/finestructure/spi-images:basic-6.0-latest swift build --triple x86_64-unknown-linux-gnu -Xswiftc -Xfrontend -Xswiftc -stats-output-dir -Xswiftc -Xfrontend -Xswiftc .stats -Xswiftc -strict-concurrency=complete 2>&1

Build Log

========================================
RunAll
========================================
Builder version: 4.56.0
Interrupt handler set up.
========================================
Checkout
========================================
Clone URL: https://github.com/pitiphong-p/URLQueryItemEncoder.git
Reference: master
Initialized empty Git repository in /host/spi-builder-workspace/.git/
hint: Using 'master' as the name for the initial branch. This default branch name
hint: is subject to change. To configure the initial branch name to use in all
hint: of your new repositories, which will suppress this warning, call:
hint:
hint: 	git config --global init.defaultBranch <name>
hint:
hint: Names commonly chosen instead of 'master' are 'main', 'trunk' and
hint: 'development'. The just-created branch can be renamed via this command:
hint:
hint: 	git branch -m <name>
From https://github.com/pitiphong-p/URLQueryItemEncoder
 * branch            master     -> FETCH_HEAD
 * [new branch]      master     -> origin/master
HEAD is now at 8b4530a tvOS support (#5)
Cloned https://github.com/pitiphong-p/URLQueryItemEncoder.git
Revision (git rev-parse @):
8b4530aa0ff84cfa2104a057ed58ca3865850474
SUCCESS checkout https://github.com/pitiphong-p/URLQueryItemEncoder.git at master
========================================
Build
========================================
Selected platform:         linux
Swift version:             6.0
Building package at path:  $PWD
https://github.com/pitiphong-p/URLQueryItemEncoder.git
Running build ...
bash -c docker run --pull=always --rm -v "checkouts-4606859-1":/host -w "$PWD" registry.gitlab.com/finestructure/spi-images:basic-6.0-latest swift build --triple x86_64-unknown-linux-gnu -Xswiftc -Xfrontend -Xswiftc -stats-output-dir -Xswiftc -Xfrontend -Xswiftc .stats -Xswiftc -strict-concurrency=complete 2>&1
basic-6.0-latest: Pulling from finestructure/spi-images
Digest: sha256:47d26c99ca4f1ac0a332c85fd5b13ff4390e72115219984a57a68fe9d1063a05
Status: Image is up to date for registry.gitlab.com/finestructure/spi-images:basic-6.0-latest
Building for debugging...
[0/2] Write sources
[1/2] Write swift-version-24593BA9C3E375BF.txt
[3/4] Emitting module URLQueryItemEncoder
/host/spi-builder-workspace/URLQueryItemEncoder/URLQueryItemEncoder.swift:20:5: warning: let 'iso8601Formatter' is not concurrency-safe because non-'Sendable' type 'any URLQueryItemEncoderDateFormatter' may have shared mutable state; this is an error in the Swift 6 language mode
 10 |
 11 |
 12 | protocol URLQueryItemEncoderDateFormatter {
    |          `- note: protocol 'URLQueryItemEncoderDateFormatter' does not conform to the 'Sendable' protocol
 13 |   func string(from date: Date) -> String
 14 | }
    :
 18 | extension ISO8601DateFormatter: URLQueryItemEncoderDateFormatter {}
 19 |
 20 | let iso8601Formatter: URLQueryItemEncoderDateFormatter = {
    |     |- warning: let 'iso8601Formatter' is not concurrency-safe because non-'Sendable' type 'any URLQueryItemEncoderDateFormatter' may have shared mutable state; this is an error in the Swift 6 language mode
    |     |- note: annotate 'iso8601Formatter' 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
 21 |   #if os(Linux)
 22 |     let formatter = DateFormatter()
/host/spi-builder-workspace/URLQueryItemEncoder/URLQueryItemEncoder.swift:115:7: warning: stored property 'encodingStrategy' of 'Sendable'-conforming struct 'URLQueryItemArrayElementKey' has non-sendable type 'URLQueryItemEncoder.ArrayIndexEncodingStrategy'; this is an error in the Swift 6 language mode
 45 |
 46 |   /// The strategy to use for encoding array indexes.
 47 |   public enum ArrayIndexEncodingStrategy {
    |               `- note: consider making enum 'ArrayIndexEncodingStrategy' conform to the 'Sendable' protocol
 48 |     /// Encode any array index as an empty square brackets `[]`
 49 |     case emptySquareBrackets
    :
113 |
114 | private struct URLQueryItemArrayElementKey: CodingKey {
115 |   let encodingStrategy: URLQueryItemEncoder.ArrayIndexEncodingStrategy
    |       `- warning: stored property 'encodingStrategy' of 'Sendable'-conforming struct 'URLQueryItemArrayElementKey' has non-sendable type 'URLQueryItemEncoder.ArrayIndexEncodingStrategy'; this is an error in the Swift 6 language mode
116 |
117 |   fileprivate var stringValue: String {
[4/4] Compiling URLQueryItemEncoder URLQueryItemEncoder.swift
/host/spi-builder-workspace/URLQueryItemEncoder/URLQueryItemEncoder.swift:20:5: warning: let 'iso8601Formatter' is not concurrency-safe because non-'Sendable' type 'any URLQueryItemEncoderDateFormatter' may have shared mutable state; this is an error in the Swift 6 language mode
 10 |
 11 |
 12 | protocol URLQueryItemEncoderDateFormatter {
    |          `- note: protocol 'URLQueryItemEncoderDateFormatter' does not conform to the 'Sendable' protocol
 13 |   func string(from date: Date) -> String
 14 | }
    :
 18 | extension ISO8601DateFormatter: URLQueryItemEncoderDateFormatter {}
 19 |
 20 | let iso8601Formatter: URLQueryItemEncoderDateFormatter = {
    |     |- warning: let 'iso8601Formatter' is not concurrency-safe because non-'Sendable' type 'any URLQueryItemEncoderDateFormatter' may have shared mutable state; this is an error in the Swift 6 language mode
    |     |- note: annotate 'iso8601Formatter' 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
 21 |   #if os(Linux)
 22 |     let formatter = DateFormatter()
/host/spi-builder-workspace/URLQueryItemEncoder/URLQueryItemEncoder.swift:115:7: warning: stored property 'encodingStrategy' of 'Sendable'-conforming struct 'URLQueryItemArrayElementKey' has non-sendable type 'URLQueryItemEncoder.ArrayIndexEncodingStrategy'; this is an error in the Swift 6 language mode
 45 |
 46 |   /// The strategy to use for encoding array indexes.
 47 |   public enum ArrayIndexEncodingStrategy {
    |               `- note: consider making enum 'ArrayIndexEncodingStrategy' conform to the 'Sendable' protocol
 48 |     /// Encode any array index as an empty square brackets `[]`
 49 |     case emptySquareBrackets
    :
113 |
114 | private struct URLQueryItemArrayElementKey: CodingKey {
115 |   let encodingStrategy: URLQueryItemEncoder.ArrayIndexEncodingStrategy
    |       `- warning: stored property 'encodingStrategy' of 'Sendable'-conforming struct 'URLQueryItemArrayElementKey' has non-sendable type 'URLQueryItemEncoder.ArrayIndexEncodingStrategy'; this is an error in the Swift 6 language mode
116 |
117 |   fileprivate var stringValue: String {
Build complete! (10.37s)
Build complete.
{
  "dependencies" : [
  ],
  "manifest_display_name" : "URLQueryItemEncoder",
  "name" : "URLQueryItemEncoder",
  "path" : "/host/spi-builder-workspace",
  "platforms" : [
  ],
  "products" : [
    {
      "name" : "URLQueryItemEncoder",
      "targets" : [
        "URLQueryItemEncoder"
      ],
      "type" : {
        "library" : [
          "automatic"
        ]
      }
    }
  ],
  "swift_languages_versions" : [
    "5"
  ],
  "targets" : [
    {
      "c99name" : "URLQueryItemEncoderTests",
      "module_type" : "SwiftTarget",
      "name" : "URLQueryItemEncoderTests",
      "path" : "Tests/URLQueryItemEncoderTests",
      "sources" : [
        "URLQueryItemEncoderTests.swift"
      ],
      "target_dependencies" : [
        "URLQueryItemEncoder"
      ],
      "type" : "test"
    },
    {
      "c99name" : "URLQueryItemEncoder",
      "module_type" : "SwiftTarget",
      "name" : "URLQueryItemEncoder",
      "path" : "URLQueryItemEncoder",
      "product_memberships" : [
        "URLQueryItemEncoder"
      ],
      "sources" : [
        "URLQueryItemEncoder.swift"
      ],
      "type" : "library"
    }
  ],
  "tools_version" : "5.0"
}
basic-6.0-latest: Pulling from finestructure/spi-images
Digest: sha256:47d26c99ca4f1ac0a332c85fd5b13ff4390e72115219984a57a68fe9d1063a05
Status: Image is up to date for registry.gitlab.com/finestructure/spi-images:basic-6.0-latest
Done.