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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 OpenParking with Swift 6.0 for Linux.

Swift 6 data race errors: 2

Build Command

bash -c docker run --rm -v "checkouts-4609320-1":/host -w "$workDir" 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: 4.40.0
Interrupt handler set up.
========================================
Checkout
========================================
Clone URL: https://github.com/OpenParkingApp/OpenParking.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/OpenParkingApp/OpenParking
 * branch            master     -> FETCH_HEAD
 * [new branch]      master     -> origin/master
HEAD is now at 4aef2cb silence warnings for now
Cloned https://github.com/OpenParkingApp/OpenParking.git
Revision (git rev-parse @):
4aef2cb70a4bc5746d1d2b8168d2c2f639c95598
SUCCESS checkout https://github.com/OpenParkingApp/OpenParking.git at master
========================================
Build
========================================
Selected platform:         linux
Swift version:             6.0
Building package at path:  $workDir
https://github.com/OpenParkingApp/OpenParking.git
Running build ...
bash -c docker run --rm -v "checkouts-4609320-1":/host -w "$workDir" 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
Fetching https://github.com/sharplet/Regex
Fetching https://github.com/flight-school/AnyCodable.git
Fetching https://github.com/kiliankoe/GeoJSON
Fetching https://github.com/alexaubry/HTMLString
[1/1631] Fetching htmlstring
[311/2071] Fetching htmlstring, geojson
[1127/2835] Fetching htmlstring, geojson, anycodable
[2788/4089] Fetching htmlstring, geojson, anycodable, regex
Fetched https://github.com/flight-school/AnyCodable.git from cache (0.28s)
Fetched https://github.com/kiliankoe/GeoJSON from cache (0.28s)
Fetched https://github.com/alexaubry/HTMLString from cache (0.28s)
[828/1254] Fetching regex
Fetched https://github.com/sharplet/Regex from cache (0.78s)
Computing version for https://github.com/sharplet/Regex
Computed https://github.com/sharplet/Regex at 2.1.1 (1.39s)
Computing version for https://github.com/alexaubry/HTMLString
Computed https://github.com/alexaubry/HTMLString at 5.0.0 (1.37s)
Computing version for https://github.com/kiliankoe/GeoJSON
Computed https://github.com/kiliankoe/GeoJSON at 0.4.1 (0.54s)
Computing version for https://github.com/flight-school/AnyCodable.git
Computed https://github.com/flight-school/AnyCodable.git at 0.2.3 (0.54s)
Creating working copy for https://github.com/kiliankoe/GeoJSON
Working copy of https://github.com/kiliankoe/GeoJSON resolved at 0.4.1
Creating working copy for https://github.com/flight-school/AnyCodable.git
Working copy of https://github.com/flight-school/AnyCodable.git resolved at 0.2.3
Creating working copy for https://github.com/alexaubry/HTMLString
Working copy of https://github.com/alexaubry/HTMLString resolved at 5.0.0
Creating working copy for https://github.com/sharplet/Regex
Working copy of https://github.com/sharplet/Regex resolved at 2.1.1
Building for debugging...
[0/7] Write sources
[6/7] Write swift-version-24593BA9C3E375BF.txt
[8/22] Emitting module Regex
[9/22] Compiling Regex Foundation+Ranges.swift
[10/22] Compiling Regex String+ReplaceMatching.swift
[11/22] Compiling Regex MatchResult.swift
[12/22] Compiling Regex ThreadLocal.swift
[13/22] Compiling Regex Options.swift
[14/22] Compiling Regex Regex.swift
[15/23] Compiling AnyCodable AnyEncodable.swift
[16/23] Compiling AnyCodable AnyDecodable.swift
[17/23] Emitting module AnyCodable
[18/23] Compiling AnyCodable AnyCodable.swift
[20/24] Compiling HTMLString Mappings.swift
[22/24] Compiling HTMLString HTMLString.swift
[23/24] Emitting module HTMLString
[24/24] Compiling HTMLString NSString+HTMLString.swift
[26/37] Compiling GeoJSON MultiPolygon.swift
[27/38] Compiling GeoJSON GeometryCollection.swift
[28/38] Compiling GeoJSON LineString.swift
[29/38] Compiling GeoJSON MultiLineString.swift
[30/38] Compiling GeoJSON MultiPoint.swift
[31/38] Compiling GeoJSON Point.swift
[32/38] Compiling GeoJSON Polygon.swift
[33/38] Compiling GeoJSON Position.swift
[34/38] Compiling GeoJSON FeatureCollection.swift
[35/38] Compiling GeoJSON Geometry.swift
[36/38] Emitting module GeoJSON
[37/38] Compiling GeoJSON BoundingBox.swift
[38/38] Compiling GeoJSON Feature.swift
[40/50] Compiling OpenParking HTMLString.swift
[41/51] Compiling OpenParking Error.swift
[42/51] Compiling OpenParking GeoJson.swift
[43/51] Compiling OpenParking Datasource.swift
/host/spi-builder-workspace/Sources/OpenParking/Date.swift:3:13: warning: var 'dateFormatter' is not concurrency-safe because it is non-isolated global shared mutable state; this is an error in the Swift 6 language mode
 1 | import Foundation
 2 |
 3 | private var dateFormatter = DateFormatter()
   |             |- warning: var 'dateFormatter' is not concurrency-safe because it is non-isolated global shared mutable state; this is an error in the Swift 6 language mode
   |             |- note: convert 'dateFormatter' to a 'let' constant to make 'Sendable' shared state immutable
   |             |- note: annotate 'dateFormatter' 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
 4 |
 5 | /// Pre-defined date format values for use with `String.date(withFormat:)`.
[44/51] Compiling OpenParking Date.swift
/host/spi-builder-workspace/Sources/OpenParking/Date.swift:3:13: warning: var 'dateFormatter' is not concurrency-safe because it is non-isolated global shared mutable state; this is an error in the Swift 6 language mode
 1 | import Foundation
 2 |
 3 | private var dateFormatter = DateFormatter()
   |             |- warning: var 'dateFormatter' is not concurrency-safe because it is non-isolated global shared mutable state; this is an error in the Swift 6 language mode
   |             |- note: convert 'dateFormatter' to a 'let' constant to make 'Sendable' shared state immutable
   |             |- note: annotate 'dateFormatter' 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
 4 |
 5 | /// Pre-defined date format values for use with `String.date(withFormat:)`.
[45/51] Emitting module OpenParking
/host/spi-builder-workspace/Sources/OpenParking/Date.swift:3:13: warning: var 'dateFormatter' is not concurrency-safe because it is non-isolated global shared mutable state; this is an error in the Swift 6 language mode
 1 | import Foundation
 2 |
 3 | private var dateFormatter = DateFormatter()
   |             |- warning: var 'dateFormatter' is not concurrency-safe because it is non-isolated global shared mutable state; this is an error in the Swift 6 language mode
   |             |- note: convert 'dateFormatter' to a 'let' constant to make 'Sendable' shared state immutable
   |             |- note: annotate 'dateFormatter' 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
 4 |
 5 | /// Pre-defined date format values for use with `String.date(withFormat:)`.
/host/spi-builder-workspace/Sources/OpenParking/Warning.swift:14:16: warning: static property 'warnings' is not concurrency-safe because it is non-isolated global shared mutable state; this is an error in the Swift 6 language mode
12 |     }
13 |
14 |     static var warnings: [Warning] = []
   |                |- warning: static property 'warnings' is not concurrency-safe because it is non-isolated global shared mutable state; this is an error in the Swift 6 language mode
   |                |- note: convert 'warnings' to a 'let' constant to make 'Sendable' shared state immutable
   |                |- note: annotate 'warnings' 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
15 |
16 |     public static func flush() -> [Warning] {
[46/51] Compiling OpenParking Coordinates.swift
[47/51] Compiling OpenParking DataPoint.swift
[48/51] Compiling OpenParking Warning.swift
/host/spi-builder-workspace/Sources/OpenParking/Warning.swift:14:16: warning: static property 'warnings' is not concurrency-safe because it is non-isolated global shared mutable state; this is an error in the Swift 6 language mode
12 |     }
13 |
14 |     static var warnings: [Warning] = []
   |                |- warning: static property 'warnings' is not concurrency-safe because it is non-isolated global shared mutable state; this is an error in the Swift 6 language mode
   |                |- note: convert 'warnings' to a 'let' constant to make 'Sendable' shared state immutable
   |                |- note: annotate 'warnings' 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
15 |
16 |     public static func flush() -> [Warning] {
[49/51] Compiling OpenParking Regex.swift
[50/51] Compiling OpenParking Lot.swift
[51/51] Compiling OpenParking Network.swift
[53/54] Compiling OpenParkingTestSupport Validate.swift
[54/54] Emitting module OpenParkingTestSupport
Build complete! (28.72s)
Build complete.
{
  "dependencies" : [
    {
      "identity" : "geojson",
      "requirement" : {
        "range" : [
          {
            "lower_bound" : "0.4.0",
            "upper_bound" : "1.0.0"
          }
        ]
      },
      "type" : "sourceControl",
      "url" : "https://github.com/kiliankoe/GeoJSON"
    },
    {
      "identity" : "htmlstring",
      "requirement" : {
        "range" : [
          {
            "lower_bound" : "5.0.0",
            "upper_bound" : "6.0.0"
          }
        ]
      },
      "type" : "sourceControl",
      "url" : "https://github.com/alexaubry/HTMLString"
    },
    {
      "identity" : "regex",
      "requirement" : {
        "range" : [
          {
            "lower_bound" : "2.1.0",
            "upper_bound" : "3.0.0"
          }
        ]
      },
      "type" : "sourceControl",
      "url" : "https://github.com/sharplet/Regex"
    }
  ],
  "manifest_display_name" : "OpenParking",
  "name" : "OpenParking",
  "path" : "/host/spi-builder-workspace",
  "platforms" : [
    {
      "name" : "macos",
      "version" : "10.13"
    },
    {
      "name" : "ios",
      "version" : "11.0"
    },
    {
      "name" : "watchos",
      "version" : "4.0"
    },
    {
      "name" : "tvos",
      "version" : "11.0"
    }
  ],
  "products" : [
    {
      "name" : "OpenParking",
      "targets" : [
        "OpenParking"
      ],
      "type" : {
        "library" : [
          "automatic"
        ]
      }
    },
    {
      "name" : "OpenParkingTestSupport",
      "targets" : [
        "OpenParkingTestSupport"
      ],
      "type" : {
        "library" : [
          "automatic"
        ]
      }
    }
  ],
  "targets" : [
    {
      "c99name" : "OpenParkingTests",
      "module_type" : "SwiftTarget",
      "name" : "OpenParkingTests",
      "path" : "Tests/OpenParkingTests",
      "sources" : [
        "OpenParkingTests.swift"
      ],
      "target_dependencies" : [
        "OpenParking"
      ],
      "type" : "test"
    },
    {
      "c99name" : "OpenParkingTestSupport",
      "module_type" : "SwiftTarget",
      "name" : "OpenParkingTestSupport",
      "path" : "Sources/OpenParkingTestSupport",
      "product_memberships" : [
        "OpenParkingTestSupport"
      ],
      "sources" : [
        "Validate.swift"
      ],
      "target_dependencies" : [
        "OpenParking"
      ],
      "type" : "library"
    },
    {
      "c99name" : "OpenParking",
      "module_type" : "SwiftTarget",
      "name" : "OpenParking",
      "path" : "Sources/OpenParking",
      "product_dependencies" : [
        "GeoJSON",
        "HTMLString",
        "Regex"
      ],
      "product_memberships" : [
        "OpenParking",
        "OpenParkingTestSupport"
      ],
      "sources" : [
        "Coordinates.swift",
        "DataPoint.swift",
        "Datasource.swift",
        "Date.swift",
        "Error.swift",
        "GeoJson.swift",
        "HTMLString.swift",
        "Lot.swift",
        "Network.swift",
        "Regex.swift",
        "Warning.swift"
      ],
      "type" : "library"
    }
  ],
  "tools_version" : "5.3"
}
Done.
This is a staging environment. For live and up-to-date package information, visit swiftpackageindex.com.