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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 CampusDualKit, reference 0.2.1 (8f5824), with Swift 6.0 for macOS (SPM) on 3 Nov 2024 13:42:45 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/jonasrichardrichter/CampusDualKit.git
Reference: 0.2.1
Initialized empty Git repository in /Users/admin/builder/spi-builder-workspace/.git/
From https://github.com/jonasrichardrichter/CampusDualKit
 * tag               0.2.1      -> FETCH_HEAD
HEAD is now at 8f58241 Fix bug
Cloned https://github.com/jonasrichardrichter/CampusDualKit.git
Revision (git rev-parse @):
8f582414f43e9bb8f6f1fcaf19574cb04e0a7857
SUCCESS checkout https://github.com/jonasrichardrichter/CampusDualKit.git at 0.2.1
Fetching https://github.com/apple/swift-log.git
[1/3660] Fetching swift-log
Fetched https://github.com/apple/swift-log.git from cache (1.10s)
Computing version for https://github.com/apple/swift-log.git
Computed https://github.com/apple/swift-log.git at 1.4.2 (0.66s)
Creating working copy for https://github.com/apple/swift-log.git
Working copy of https://github.com/apple/swift-log.git resolved at 1.4.2
========================================
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": "campusdualkit",
      "name": "CampusDualKit",
      "url": "https://github.com/jonasrichardrichter/CampusDualKit.git",
      "version": "unspecified",
      "path": "/Users/admin/builder/spi-builder-workspace/.resolve-product-dependencies/.build/checkouts/CampusDualKit",
      "dependencies": [
        {
          "identity": "swift-log",
          "name": "swift-log",
          "url": "https://github.com/apple/swift-log.git",
          "version": "1.6.1",
          "path": "/Users/admin/builder/spi-builder-workspace/.resolve-product-dependencies/.build/checkouts/swift-log",
          "dependencies": [
          ]
        }
      ]
    }
  ]
}
Fetching https://github.com/jonasrichardrichter/CampusDualKit.git
[1/201] Fetching campusdualkit
Fetched https://github.com/jonasrichardrichter/CampusDualKit.git from cache (0.66s)
Fetching https://github.com/apple/swift-log.git from cache
Fetched https://github.com/apple/swift-log.git from cache (0.59s)
Computing version for https://github.com/apple/swift-log.git
Computed https://github.com/apple/swift-log.git at 1.6.1 (0.48s)
Creating working copy for https://github.com/apple/swift-log.git
Working copy of https://github.com/apple/swift-log.git resolved at 1.6.1
Creating working copy for https://github.com/jonasrichardrichter/CampusDualKit.git
Working copy of https://github.com/jonasrichardrichter/CampusDualKit.git resolved at 0.2.1 (8f58241)
warning: '.resolve-product-dependencies': dependency 'campusdualkit' is not used by any target
Found 1 product dependencies
  - swift-log
========================================
Build
========================================
Selected platform:         macosSpm
Swift version:             6.0
Building package at path:  $PWD
https://github.com/jonasrichardrichter/CampusDualKit.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...
[0/3] Write sources
[2/3] Write swift-version--7754E27361AE5C74.txt
[4/7] Compiling Logging Locks.swift
[5/7] Emitting module Logging
[6/7] Compiling Logging LogHandler.swift
[7/7] Compiling Logging Logging.swift
[8/15] Compiling CampusDualKit StudyDay.swift
/Users/admin/builder/spi-builder-workspace/Sources/CampusDualKit/ScheduleService/StudyDay.swift:26:23: warning: static property 'example' is not concurrency-safe because non-'Sendable' type 'StudyDay' may have shared mutable state; this is an error in the Swift 6 language mode
 9 |
10 | /// A model representing a study day.
11 | public struct StudyDay: Codable, Hashable {
   |               `- note: consider making struct 'StudyDay' conform to the 'Sendable' protocol
12 |
13 |     /// The initializer for the struct.
   :
24 |
25 |     /// Example StudyDay with an example lesson.
26 |     public static let example = StudyDay(day: Date.init(timeIntervalSince1970: 1793055600), lessons: [Lesson.example])
   |                       |- warning: static property 'example' is not concurrency-safe because non-'Sendable' type 'StudyDay' may have shared mutable state; this is an error in the Swift 6 language mode
   |                       |- note: annotate 'example' 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
27 | }
28 |
/Users/admin/builder/spi-builder-workspace/Sources/CampusDualKit/ScheduleService/Lesson.swift:46:23: warning: static property 'example' is not concurrency-safe because non-'Sendable' type 'Lesson' may have shared mutable state; this is an error in the Swift 6 language mode
 9 |
10 | /// A model representing a lesson.
11 | public struct Lesson: Codable, Hashable {
   |               `- note: consider making struct 'Lesson' conform to the 'Sendable' protocol
12 |
13 |     /// The initializer for the struct.
   :
44 |
45 |     /// An example lesson
46 |     public static let example = Lesson(title: "Example lesson", start: Date.init(timeIntervalSince1970: 1793097900), end: Date.init(timeIntervalSince1970: 1793103300), description: "This is an example lesson", room: "1.202", instructor: "Prof. Dr. Example")
   |                       |- warning: static property 'example' is not concurrency-safe because non-'Sendable' type 'Lesson' may have shared mutable state; this is an error in the Swift 6 language mode
   |                       |- note: annotate 'example' 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
47 | }
48 |
[9/15] Compiling CampusDualKit ScheduleServiceError.swift
/Users/admin/builder/spi-builder-workspace/Sources/CampusDualKit/ScheduleService/ScheduleServiceError.swift:38:109: warning: string interpolation produces a debug description for an optional value; did you mean to make this explicit?
36 |             switch Locale.current.languageCode {
37 |             case "de":
38 |                 return "Es ist ein Fehler bei der Verarbeitung der Daten aufgetreten. Mehr Informationen: \(error?.localizedDescription)"
   |                                                                                                             |      |- note: use 'String(describing:)' to silence this warning
   |                                                                                                             |      `- note: provide a default value to avoid this warning
   |                                                                                                             `- warning: string interpolation produces a debug description for an optional value; did you mean to make this explicit?
39 |             default:
40 |                 return "An error occurred while processing the data. More information: \(error?.localizedDescription)"
/Users/admin/builder/spi-builder-workspace/Sources/CampusDualKit/ScheduleService/ScheduleServiceError.swift:40:90: warning: string interpolation produces a debug description for an optional value; did you mean to make this explicit?
38 |                 return "Es ist ein Fehler bei der Verarbeitung der Daten aufgetreten. Mehr Informationen: \(error?.localizedDescription)"
39 |             default:
40 |                 return "An error occurred while processing the data. More information: \(error?.localizedDescription)"
   |                                                                                          |      |- note: use 'String(describing:)' to silence this warning
   |                                                                                          |      `- note: provide a default value to avoid this warning
   |                                                                                          `- warning: string interpolation produces a debug description for an optional value; did you mean to make this explicit?
41 |             }
42 |         case .network(let error):
/Users/admin/builder/spi-builder-workspace/Sources/CampusDualKit/ScheduleService/ScheduleServiceError.swift:45:86: warning: string interpolation produces a debug description for an optional value; did you mean to make this explicit?
43 |             switch Locale.current.languageCode {
44 |             case "de":
45 |                 return "Es ist ein Netzwerkfehler aufgetreten. Mehr Informationen: \(error?.localizedDescription)"
   |                                                                                      |      |- note: use 'String(describing:)' to silence this warning
   |                                                                                      |      `- note: provide a default value to avoid this warning
   |                                                                                      `- warning: string interpolation produces a debug description for an optional value; did you mean to make this explicit?
46 |             default:
47 |                 return "A network error occurred. More information: \(error?.localizedDescription)"
/Users/admin/builder/spi-builder-workspace/Sources/CampusDualKit/ScheduleService/ScheduleServiceError.swift:47:71: warning: string interpolation produces a debug description for an optional value; did you mean to make this explicit?
45 |                 return "Es ist ein Netzwerkfehler aufgetreten. Mehr Informationen: \(error?.localizedDescription)"
46 |             default:
47 |                 return "A network error occurred. More information: \(error?.localizedDescription)"
   |                                                                       |      |- note: use 'String(describing:)' to silence this warning
   |                                                                       |      `- note: provide a default value to avoid this warning
   |                                                                       `- warning: string interpolation produces a debug description for an optional value; did you mean to make this explicit?
48 |             }
49 |         case .other(let error):
/Users/admin/builder/spi-builder-workspace/Sources/CampusDualKit/ScheduleService/ScheduleServiceError.swift:52:87: warning: string interpolation produces a debug description for an optional value; did you mean to make this explicit?
50 |             switch Locale.current.languageCode {
51 |             case "de":
52 |                 return "Ein unbekannter Fehler ist aufgetreten. Mehr Informationen: \(error?.localizedDescription)"
   |                                                                                       |      |- note: use 'String(describing:)' to silence this warning
   |                                                                                       |      `- note: provide a default value to avoid this warning
   |                                                                                       `- warning: string interpolation produces a debug description for an optional value; did you mean to make this explicit?
53 |             default:
54 |                 return "An unknown error has occurred. More information: \(error?.localizedDescription)"
/Users/admin/builder/spi-builder-workspace/Sources/CampusDualKit/ScheduleService/ScheduleServiceError.swift:54:76: warning: string interpolation produces a debug description for an optional value; did you mean to make this explicit?
52 |                 return "Ein unbekannter Fehler ist aufgetreten. Mehr Informationen: \(error?.localizedDescription)"
53 |             default:
54 |                 return "An unknown error has occurred. More information: \(error?.localizedDescription)"
   |                                                                            |      |- note: use 'String(describing:)' to silence this warning
   |                                                                            |      `- note: provide a default value to avoid this warning
   |                                                                            `- warning: string interpolation produces a debug description for an optional value; did you mean to make this explicit?
55 |             }
56 |         }
[10/15] Compiling CampusDualKit Logger+CustomInit.swift
[11/15] Emitting module CampusDualKit
/Users/admin/builder/spi-builder-workspace/Sources/CampusDualKit/ScheduleService/Lesson.swift:46:23: warning: static property 'example' is not concurrency-safe because non-'Sendable' type 'Lesson' may have shared mutable state; this is an error in the Swift 6 language mode
 9 |
10 | /// A model representing a lesson.
11 | public struct Lesson: Codable, Hashable {
   |               `- note: consider making struct 'Lesson' conform to the 'Sendable' protocol
12 |
13 |     /// The initializer for the struct.
   :
44 |
45 |     /// An example lesson
46 |     public static let example = Lesson(title: "Example lesson", start: Date.init(timeIntervalSince1970: 1793097900), end: Date.init(timeIntervalSince1970: 1793103300), description: "This is an example lesson", room: "1.202", instructor: "Prof. Dr. Example")
   |                       |- warning: static property 'example' is not concurrency-safe because non-'Sendable' type 'Lesson' may have shared mutable state; this is an error in the Swift 6 language mode
   |                       |- note: annotate 'example' 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
47 | }
48 |
/Users/admin/builder/spi-builder-workspace/Sources/CampusDualKit/ScheduleService/StudyDay.swift:26:23: warning: static property 'example' is not concurrency-safe because non-'Sendable' type 'StudyDay' may have shared mutable state; this is an error in the Swift 6 language mode
 9 |
10 | /// A model representing a study day.
11 | public struct StudyDay: Codable, Hashable {
   |               `- note: consider making struct 'StudyDay' conform to the 'Sendable' protocol
12 |
13 |     /// The initializer for the struct.
   :
24 |
25 |     /// Example StudyDay with an example lesson.
26 |     public static let example = StudyDay(day: Date.init(timeIntervalSince1970: 1793055600), lessons: [Lesson.example])
   |                       |- warning: static property 'example' is not concurrency-safe because non-'Sendable' type 'StudyDay' may have shared mutable state; this is an error in the Swift 6 language mode
   |                       |- note: annotate 'example' 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
27 | }
28 |
[12/15] Compiling CampusDualKit URL+CampusDual.swift
[13/15] Compiling CampusDualKit Lesson.swift
/Users/admin/builder/spi-builder-workspace/Sources/CampusDualKit/ScheduleService/Lesson.swift:46:23: warning: static property 'example' is not concurrency-safe because non-'Sendable' type 'Lesson' may have shared mutable state; this is an error in the Swift 6 language mode
 9 |
10 | /// A model representing a lesson.
11 | public struct Lesson: Codable, Hashable {
   |               `- note: consider making struct 'Lesson' conform to the 'Sendable' protocol
12 |
13 |     /// The initializer for the struct.
   :
44 |
45 |     /// An example lesson
46 |     public static let example = Lesson(title: "Example lesson", start: Date.init(timeIntervalSince1970: 1793097900), end: Date.init(timeIntervalSince1970: 1793103300), description: "This is an example lesson", room: "1.202", instructor: "Prof. Dr. Example")
   |                       |- warning: static property 'example' is not concurrency-safe because non-'Sendable' type 'Lesson' may have shared mutable state; this is an error in the Swift 6 language mode
   |                       |- note: annotate 'example' 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
47 | }
48 |
[14/15] Compiling CampusDualKit URLSession+scheduleServiceDataTask.swift
/Users/admin/builder/spi-builder-workspace/Sources/CampusDualKit/Extensions/URLSession+scheduleServiceDataTask.swift:24:23: warning: immutable value 'response' was never used; consider replacing with '_' or removing it
22 |             }
23 |
24 |             guard let response = response, let data = data else {
   |                       `- warning: immutable value 'response' was never used; consider replacing with '_' or removing it
25 |                 completion(.failure(.network(nil)))
26 |                 return
/Users/admin/builder/spi-builder-workspace/Sources/CampusDualKit/Extensions/URLSession+scheduleServiceDataTask.swift:20:17: warning: capture of 'completion' with non-sendable type '(Result<T, ScheduleServiceError>) -> Void' in a `@Sendable` closure; this is an error in the Swift 6 language mode
18 |
19 |             guard error == nil else {
20 |                 completion(.failure(.network(error)))
   |                 |- warning: capture of 'completion' with non-sendable type '(Result<T, ScheduleServiceError>) -> Void' in a `@Sendable` closure; this is an error in the Swift 6 language mode
   |                 `- note: a function type must be marked '@Sendable' to conform to 'Sendable'
21 |                 return
22 |             }
[15/15] Compiling CampusDualKit ScheduleService.swift
/Users/admin/builder/spi-builder-workspace/Sources/CampusDualKit/ScheduleService/ScheduleService.swift:76:30: warning: sending 'result' risks causing data races; this is an error in the Swift 6 language mode
 74 |         try await withCheckedThrowingContinuation() { continuation in
 75 |             self.login(for: username, with: password, session: session) { result in
 76 |                 continuation.resume(with: result)
    |                              |- warning: sending 'result' risks causing data races; this is an error in the Swift 6 language mode
    |                              `- note: task-isolated 'result' is passed as a 'sending' parameter; Uses in callee may race with later task-isolated uses
 77 |             }
 78 |         }
/Users/admin/builder/spi-builder-workspace/Sources/CampusDualKit/ScheduleService/ScheduleService.swift:125:30: warning: sending 'result' risks causing data races; this is an error in the Swift 6 language mode
123 |         try await withCheckedThrowingContinuation() { continuation in
124 |             self.studyDays(from: startDate, to: endDate) { result in
125 |                 continuation.resume(with: result)
    |                              |- warning: sending 'result' risks causing data races; this is an error in the Swift 6 language mode
    |                              `- note: task-isolated 'result' is passed as a 'sending' parameter; Uses in callee may race with later task-isolated uses
126 |             }
127 |         }
Build complete! (11.06s)
Build complete.
{
  "dependencies" : [
    {
      "identity" : "swift-log",
      "requirement" : {
        "range" : [
          {
            "lower_bound" : "1.4.2",
            "upper_bound" : "2.0.0"
          }
        ]
      },
      "type" : "sourceControl",
      "url" : "https://github.com/apple/swift-log.git"
    }
  ],
  "manifest_display_name" : "CampusDualKit",
  "name" : "CampusDualKit",
  "path" : "/Users/admin/builder/spi-builder-workspace",
  "platforms" : [
    {
      "name" : "ios",
      "version" : "14.0"
    },
    {
      "name" : "macos",
      "version" : "11.0"
    }
  ],
  "products" : [
    {
      "name" : "CampusDualKit",
      "targets" : [
        "CampusDualKit"
      ],
      "type" : {
        "library" : [
          "automatic"
        ]
      }
    }
  ],
  "targets" : [
    {
      "c99name" : "CampusDualKit",
      "module_type" : "SwiftTarget",
      "name" : "CampusDualKit",
      "path" : "Sources/CampusDualKit",
      "product_dependencies" : [
        "Logging"
      ],
      "product_memberships" : [
        "CampusDualKit"
      ],
      "sources" : [
        "Extensions/Logger+CustomInit.swift",
        "Extensions/URL+CampusDual.swift",
        "Extensions/URLSession+scheduleServiceDataTask.swift",
        "ScheduleService/Lesson.swift",
        "ScheduleService/ScheduleService.swift",
        "ScheduleService/ScheduleServiceError.swift",
        "ScheduleService/StudyDay.swift"
      ],
      "type" : "library"
    }
  ],
  "tools_version" : "5.5"
}
Done.