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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 CSVCoding, reference v2.0.0 (2c66ca), with Swift 6.0 for Linux on 2 Nov 2024 15:56:03 UTC.

Swift 6 data race errors: 1

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/elegantchaos/CSVCoding.git
Reference: v2.0.0
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/elegantchaos/CSVCoding
 * tag               v2.0.0     -> FETCH_HEAD
HEAD is now at 2c66ca9 Cleaned up translation API.
Cloned https://github.com/elegantchaos/CSVCoding.git
Revision (git rev-parse @):
2c66ca9ad9e27cb47bd901878d8415ddc70fc869
SUCCESS checkout https://github.com/elegantchaos/CSVCoding.git at v2.0.0
========================================
Build
========================================
Selected platform:         linux
Swift version:             6.0
Building package at path:  $PWD
https://github.com/elegantchaos/CSVCoding.git
Running build ...
bash -c docker run --pull=always --rm -v "checkouts-4606859-1":/host -w "$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
Fetching https://github.com/elegantchaos/XCTestExtensions.git
[1/571] Fetching xctestextensions
Fetched https://github.com/elegantchaos/XCTestExtensions.git from cache (0.20s)
Computing version for https://github.com/elegantchaos/XCTestExtensions.git
Computed https://github.com/elegantchaos/XCTestExtensions.git at 1.5.1 (0.49s)
Fetching https://github.com/elegantchaos/Matchable.git
[1/113] Fetching matchable
Fetched https://github.com/elegantchaos/Matchable.git from cache (0.17s)
Computing version for https://github.com/elegantchaos/Matchable.git
Computed https://github.com/elegantchaos/Matchable.git at 1.0.7 (0.49s)
Creating working copy for https://github.com/elegantchaos/Matchable.git
Working copy of https://github.com/elegantchaos/Matchable.git resolved at 1.0.7
Creating working copy for https://github.com/elegantchaos/XCTestExtensions.git
Working copy of https://github.com/elegantchaos/XCTestExtensions.git resolved at 1.5.1
Building for debugging...
[0/2] Write sources
[1/2] Write swift-version-24593BA9C3E375BF.txt
[3/8] Compiling CSVCoding CSVHeaderTranslator.swift
[4/8] Compiling CSVCoding CSVEncoderError.swift
[5/8] Emitting module CSVCoding
/host/spi-builder-workspace/Sources/CSVCoding/CSVEncoder.swift:17:16: warning: static property 'isoFormatter' is not concurrency-safe because non-'Sendable' type 'ISO8601DateFormatter' may have shared mutable state; this is an error in the Swift 6 language mode
 15 |
 16 |     static let deferredFormatter = DateFormatter()
 17 |     static let isoFormatter = ISO8601DateFormatter()
    |                |- warning: static property 'isoFormatter' is not concurrency-safe because non-'Sendable' type 'ISO8601DateFormatter' may have shared mutable state; this is an error in the Swift 6 language mode
    |                |- note: annotate 'isoFormatter' 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
 18 |
 19 |
Foundation.ISO8601DateFormatter:1:12: note: class 'ISO8601DateFormatter' does not conform to the 'Sendable' protocol
 1 | open class ISO8601DateFormatter : Formatter, NSSecureCoding {
   |            `- note: class 'ISO8601DateFormatter' does not conform to the 'Sendable' protocol
 2 |     open var timeZone: TimeZone! { get set }
 3 |     open var formatOptions: ISO8601DateFormatter.Options { get set }
[6/8] Compiling CSVCoding CSVEncoder.swift
/host/spi-builder-workspace/Sources/CSVCoding/CSVEncoder.swift:17:16: warning: static property 'isoFormatter' is not concurrency-safe because non-'Sendable' type 'ISO8601DateFormatter' may have shared mutable state; this is an error in the Swift 6 language mode
 15 |
 16 |     static let deferredFormatter = DateFormatter()
 17 |     static let isoFormatter = ISO8601DateFormatter()
    |                |- warning: static property 'isoFormatter' is not concurrency-safe because non-'Sendable' type 'ISO8601DateFormatter' may have shared mutable state; this is an error in the Swift 6 language mode
    |                |- note: annotate 'isoFormatter' 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
 18 |
 19 |
Foundation.ISO8601DateFormatter:1:12: note: class 'ISO8601DateFormatter' does not conform to the 'Sendable' protocol
 1 | open class ISO8601DateFormatter : Formatter, NSSecureCoding {
   |            `- note: class 'ISO8601DateFormatter' does not conform to the 'Sendable' protocol
 2 |     open var timeZone: TimeZone! { get set }
 3 |     open var formatOptions: ISO8601DateFormatter.Options { get set }
[7/8] Compiling CSVCoding CSVKeyedEncodingContainer.swift
[8/8] Compiling CSVCoding CSVUnkeyedEncodingContainer.swift
Build complete! (14.00s)
Build complete.
{
  "dependencies" : [
    {
      "identity" : "xctestextensions",
      "requirement" : {
        "range" : [
          {
            "lower_bound" : "1.3.3",
            "upper_bound" : "2.0.0"
          }
        ]
      },
      "type" : "sourceControl",
      "url" : "https://github.com/elegantchaos/XCTestExtensions.git"
    }
  ],
  "manifest_display_name" : "CSVCoding",
  "name" : "CSVCoding",
  "path" : "/host/spi-builder-workspace",
  "platforms" : [
    {
      "name" : "macos",
      "version" : "10.15"
    },
    {
      "name" : "ios",
      "version" : "13.0"
    },
    {
      "name" : "tvos",
      "version" : "13.0"
    },
    {
      "name" : "watchos",
      "version" : "6.0"
    }
  ],
  "products" : [
    {
      "name" : "CSVCoding",
      "targets" : [
        "CSVCoding"
      ],
      "type" : {
        "library" : [
          "automatic"
        ]
      }
    }
  ],
  "targets" : [
    {
      "c99name" : "CSVCodingTests",
      "module_type" : "SwiftTarget",
      "name" : "CSVCodingTests",
      "path" : "Tests/CSVCodingTests",
      "product_dependencies" : [
        "XCTestExtensions"
      ],
      "sources" : [
        "CSVEncoderTests.swift"
      ],
      "target_dependencies" : [
        "CSVCoding"
      ],
      "type" : "test"
    },
    {
      "c99name" : "CSVCoding",
      "module_type" : "SwiftTarget",
      "name" : "CSVCoding",
      "path" : "Sources/CSVCoding",
      "product_memberships" : [
        "CSVCoding"
      ],
      "sources" : [
        "CSVEncoder.swift",
        "CSVEncoderError.swift",
        "CSVHeaderTranslator.swift",
        "CSVKeyedEncodingContainer.swift",
        "CSVUnkeyedEncodingContainer.swift"
      ],
      "type" : "library"
    }
  ],
  "tools_version" : "5.3"
}
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.