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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 AnyDate, reference master (dd54e6), with Swift 6.0 for Linux on 31 Oct 2024 21:28:00 UTC.

Swift 6 data race errors: 2

Build Command

bash -c docker run --pull=always --rm -v "checkouts-4606859-0":/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/Kawoou/AnyDate.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/Kawoou/AnyDate
 * branch            master     -> FETCH_HEAD
 * [new branch]      master     -> origin/master
HEAD is now at dd54e6c Update swift badge
Cloned https://github.com/Kawoou/AnyDate.git
Revision (git rev-parse @):
dd54e6c2b2d5bc8ea64f5088ca0e37d34b47bc9f
SUCCESS checkout https://github.com/Kawoou/AnyDate.git at master
========================================
Build
========================================
Selected platform:         linux
Swift version:             6.0
Building package at path:  $PWD
https://github.com/Kawoou/AnyDate.git
Running build ...
bash -c docker run --pull=always --rm -v "checkouts-4606859-0":/host -w "$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
[3/11] Compiling AnyDate IntegerExtension.swift
[4/12] Compiling AnyDate Clock.swift
[5/12] Compiling AnyDate ClockIdentifierName.swift
[6/12] Emitting module AnyDate
/host/spi-builder-workspace/Sources/AnyDate/Instant.swift:9:20: warning: static property 'minSecond' is not concurrency-safe because it is nonisolated global shared mutable state; this is an error in the Swift 6 language mode
  7 |     internal struct Constant {
  8 |         /// The minimum supported epoch second.
  9 |         static var minSecond: Int64 = -31_557_014_167_219_200
    |                    |- warning: static property 'minSecond' is not concurrency-safe because it is nonisolated global shared mutable state; this is an error in the Swift 6 language mode
    |                    |- note: convert 'minSecond' to a 'let' constant to make 'Sendable' shared state immutable
    |                    |- note: annotate 'minSecond' 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
 10 |
 11 |         /// The maximum supported epoch second.
/host/spi-builder-workspace/Sources/AnyDate/Instant.swift:12:20: warning: static property 'maxSecond' is not concurrency-safe because it is nonisolated global shared mutable state; this is an error in the Swift 6 language mode
 10 |
 11 |         /// The maximum supported epoch second.
 12 |         static var maxSecond: Int64 = 31_556_889_864_403_199
    |                    |- warning: static property 'maxSecond' is not concurrency-safe because it is nonisolated global shared mutable state; this is an error in the Swift 6 language mode
    |                    |- note: convert 'maxSecond' to a 'let' constant to make 'Sendable' shared state immutable
    |                    |- note: annotate 'maxSecond' 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
 13 |     }
 14 |
[7/12] Compiling AnyDate Instant.swift
/host/spi-builder-workspace/Sources/AnyDate/Instant.swift:9:20: warning: static property 'minSecond' is not concurrency-safe because it is nonisolated global shared mutable state; this is an error in the Swift 6 language mode
  7 |     internal struct Constant {
  8 |         /// The minimum supported epoch second.
  9 |         static var minSecond: Int64 = -31_557_014_167_219_200
    |                    |- warning: static property 'minSecond' is not concurrency-safe because it is nonisolated global shared mutable state; this is an error in the Swift 6 language mode
    |                    |- note: convert 'minSecond' to a 'let' constant to make 'Sendable' shared state immutable
    |                    |- note: annotate 'minSecond' 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
 10 |
 11 |         /// The maximum supported epoch second.
/host/spi-builder-workspace/Sources/AnyDate/Instant.swift:12:20: warning: static property 'maxSecond' is not concurrency-safe because it is nonisolated global shared mutable state; this is an error in the Swift 6 language mode
 10 |
 11 |         /// The maximum supported epoch second.
 12 |         static var maxSecond: Int64 = 31_556_889_864_403_199
    |                    |- warning: static property 'maxSecond' is not concurrency-safe because it is nonisolated global shared mutable state; this is an error in the Swift 6 language mode
    |                    |- note: convert 'maxSecond' to a 'let' constant to make 'Sendable' shared state immutable
    |                    |- note: annotate 'maxSecond' 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
 13 |     }
 14 |
[8/12] Compiling AnyDate LocalTime.swift
[9/12] Compiling AnyDate Period.swift
/host/spi-builder-workspace/Sources/AnyDate/Period.swift:93:13: warning: variable 'newDate' was never mutated; consider changing to 'let' constant
 91 |         let days = day + dayAppend
 92 |
 93 |         var newDate = LocalDate(year: year, month: month + 1, day: days + 1)
    |             `- warning: variable 'newDate' was never mutated; consider changing to 'let' constant
 94 |         self.internalYear = newDate.year
 95 |         self.internalMonth = newDate.month - 1
[10/12] Compiling AnyDate LocalDate.swift
[11/12] Compiling AnyDate LocalDateTime.swift
[12/12] Compiling AnyDate ZonedDateTime.swift
Build complete! (11.79s)
Build complete.
{
  "dependencies" : [
  ],
  "manifest_display_name" : "AnyDate",
  "name" : "AnyDate",
  "path" : "/host/spi-builder-workspace",
  "platforms" : [
  ],
  "products" : [
    {
      "name" : "AnyDate",
      "targets" : [
        "AnyDate"
      ],
      "type" : {
        "library" : [
          "automatic"
        ]
      }
    }
  ],
  "swift_languages_versions" : [
    "4.2",
    "5"
  ],
  "targets" : [
    {
      "c99name" : "AnyDateTests",
      "module_type" : "SwiftTarget",
      "name" : "AnyDateTests",
      "path" : "Tests/AnyDateTests",
      "sources" : [
        "ClockTests.swift",
        "InstantTests.swift",
        "IntegerExtensionTests.swift",
        "LocalDateTests.swift",
        "LocalDateTimeTests.swift",
        "LocalTimeTests.swift",
        "PeriodTests.swift",
        "ZonedDateTimeTests.swift"
      ],
      "target_dependencies" : [
        "AnyDate"
      ],
      "type" : "test"
    },
    {
      "c99name" : "AnyDate",
      "module_type" : "SwiftTarget",
      "name" : "AnyDate",
      "path" : "Sources/AnyDate",
      "product_memberships" : [
        "AnyDate"
      ],
      "sources" : [
        "Clock.swift",
        "ClockIdentifierName.swift",
        "Instant.swift",
        "IntegerExtension.swift",
        "LocalDate.swift",
        "LocalDateTime.swift",
        "LocalTime.swift",
        "Period.swift",
        "ZonedDateTime.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.