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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 ZEGBot, reference 4.2.8 (139ac6), with Swift 6.1 for macOS (SPM) on 27 Apr 2025 07:08:37 UTC.

Swift 6 data race errors: 0

Build Command

env DEVELOPER_DIR=/Applications/Xcode-16.3.0.app xcrun swift build --arch arm64 -Xswiftc -Xfrontend -Xswiftc -stats-output-dir -Xswiftc -Xfrontend -Xswiftc .stats -Xswiftc -strict-concurrency=complete -Xswiftc -enable-upcoming-feature -Xswiftc StrictConcurrency -Xswiftc -enable-upcoming-feature -Xswiftc DisableOutwardActorInference -Xswiftc -enable-upcoming-feature -Xswiftc GlobalActorIsolatedTypesUsability -Xswiftc -enable-upcoming-feature -Xswiftc InferSendableFromCaptures

Build Log

========================================
RunAll
========================================
Builder version: 4.61.0
Interrupt handler set up.
========================================
Checkout
========================================
Clone URL: https://github.com/shaneqi/zegbot.git
Reference: 4.2.8
Initialized empty Git repository in /Users/admin/builder/spi-builder-workspace/.git/
From https://github.com/shaneqi/zegbot
 * tag               4.2.8      -> FETCH_HEAD
HEAD is now at 139ac62 Lower swift requirement to 5.0.
Cloned https://github.com/shaneqi/zegbot.git
Revision (git rev-parse @):
139ac628fc415ae44edb5f36df218097e63e8113
SUCCESS checkout https://github.com/shaneqi/zegbot.git at 4.2.8
========================================
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": "zegbot",
      "name": "ZEGBot",
      "url": "https://github.com/shaneqi/zegbot.git",
      "version": "unspecified",
      "path": "/Users/admin/builder/spi-builder-workspace/.resolve-product-dependencies/.build/checkouts/zegbot",
      "dependencies": [
      ]
    }
  ]
}
Fetching https://github.com/shaneqi/zegbot.git
[1/1004] Fetching zegbot
Fetched https://github.com/shaneqi/zegbot.git from cache (1.07s)
Creating working copy for https://github.com/shaneqi/zegbot.git
Working copy of https://github.com/shaneqi/zegbot.git resolved at 4.2.8 (139ac62)
Found 0 product dependencies
========================================
Build
========================================
Selected platform:         macosSpm
Swift version:             6.1
Building package at path:  $PWD
https://github.com/shaneqi/zegbot.git
https://github.com/shaneqi/zegbot.git
{
  "dependencies" : [
  ],
  "manifest_display_name" : "ZEGBot",
  "name" : "ZEGBot",
  "path" : "/Users/admin/builder/spi-builder-workspace",
  "platforms" : [
  ],
  "products" : [
    {
      "name" : "ZEGBot",
      "targets" : [
        "ZEGBot"
      ],
      "type" : {
        "library" : [
          "automatic"
        ]
      }
    },
    {
      "name" : "ZEGBotExample",
      "targets" : [
        "ZEGBotExample"
      ],
      "type" : {
        "executable" : null
      }
    }
  ],
  "swift_languages_versions" : [
    "5"
  ],
  "targets" : [
    {
      "c99name" : "ZEGBotTests",
      "module_type" : "SwiftTarget",
      "name" : "ZEGBotTests",
      "path" : "Tests/ZEGBotTests",
      "sources" : [
        "ZEGBotTests.swift"
      ],
      "target_dependencies" : [
        "ZEGBot"
      ],
      "type" : "test"
    },
    {
      "c99name" : "ZEGBotExample",
      "module_type" : "SwiftTarget",
      "name" : "ZEGBotExample",
      "path" : "Example",
      "product_memberships" : [
        "ZEGBotExample"
      ],
      "sources" : [
        "main.swift"
      ],
      "target_dependencies" : [
        "ZEGBot"
      ],
      "type" : "executable"
    },
    {
      "c99name" : "ZEGBot",
      "module_type" : "SwiftTarget",
      "name" : "ZEGBot",
      "path" : "Sources",
      "product_memberships" : [
        "ZEGBot",
        "ZEGBotExample"
      ],
      "sources" : [
        "Extensions.swift",
        "HelperTypes.swift",
        "Methods.swift",
        "Network.swift",
        "Sending.swift",
        "Types.swift",
        "Updating.swift",
        "Utilities.swift",
        "ZEGBot.swift"
      ],
      "type" : "library"
    }
  ],
  "tools_version" : "5.0"
}
Running build ...
env DEVELOPER_DIR=/Applications/Xcode-16.3.0.app xcrun swift build --arch arm64 -Xswiftc -Xfrontend -Xswiftc -stats-output-dir -Xswiftc -Xfrontend -Xswiftc .stats -Xswiftc -strict-concurrency=complete -Xswiftc -enable-upcoming-feature -Xswiftc StrictConcurrency -Xswiftc -enable-upcoming-feature -Xswiftc DisableOutwardActorInference -Xswiftc -enable-upcoming-feature -Xswiftc GlobalActorIsolatedTypesUsability -Xswiftc -enable-upcoming-feature -Xswiftc InferSendableFromCaptures
Building for debugging...
[0/7] Write sources
[2/7] Write ZEGBotExample-entitlement.plist
[3/7] Write swift-version-2F0A5646E1D333AE.txt
[5/17] Compiling ZEGBot Utilities.swift
[6/17] Compiling ZEGBot ZEGBot.swift
/Users/admin/builder/spi-builder-workspace/Sources/ZEGBot.swift:53:6: warning: capture of 'handler' with non-sendable type 'UpdatesHandler' (aka '(Array<Update>, ZEGBot) -> ()') in a '@Sendable' closure
51 | 						}
52 | 					}
53 | 					handler(updates, self)
   |      |- warning: capture of 'handler' with non-sendable type 'UpdatesHandler' (aka '(Array<Update>, ZEGBot) -> ()') in a '@Sendable' closure
   |      `- note: a function type must be marked '@Sendable' to conform to 'Sendable'
54 | 				case .failure(let error):
55 | 					encounterError = error
/Users/admin/builder/spi-builder-workspace/Sources/ZEGBot.swift:53:23: warning: capture of 'self' with non-sendable type 'ZEGBot' in a '@Sendable' closure
17 | public typealias UpdatesHandler = ([Update], ZEGBot) -> Void
18 |
19 | public struct ZEGBot {
   |               `- note: consider making struct 'ZEGBot' conform to the 'Sendable' protocol
20 |
21 | 	internal let session = URLSession(configuration: .default)
   :
51 | 						}
52 | 					}
53 | 					handler(updates, self)
   |                       `- warning: capture of 'self' with non-sendable type 'ZEGBot' in a '@Sendable' closure
54 | 				case .failure(let error):
55 | 					encounterError = error
/Users/admin/builder/spi-builder-workspace/Sources/ZEGBot.swift:37:6: warning: mutation of captured var 'encounterError' in concurrently-executing code
35 | 			with: URL(string: urlPrefix + "getupdates?timeout=60&offset=\(offset)")!) { data, _, error in
36 | 				guard let data = data else {
37 | 					encounterError = error!
   |      `- warning: mutation of captured var 'encounterError' in concurrently-executing code
38 | 					semaphore.signal()
39 | 					return
/Users/admin/builder/spi-builder-workspace/Sources/ZEGBot.swift:50:8: warning: mutation of captured var 'offset' in concurrently-executing code
48 | 								.callbackQuery(updateId: let updateId, _),
49 | 								.unimplemented(updateId: let updateId):
50 | 							offset = updateId + 1
   |        `- warning: mutation of captured var 'offset' in concurrently-executing code
51 | 						}
52 | 					}
/Users/admin/builder/spi-builder-workspace/Sources/ZEGBot.swift:55:6: warning: mutation of captured var 'encounterError' in concurrently-executing code
53 | 					handler(updates, self)
54 | 				case .failure(let error):
55 | 					encounterError = error
   |      `- warning: mutation of captured var 'encounterError' in concurrently-executing code
56 | 				}
57 | 				semaphore.signal()
[7/17] Compiling ZEGBot Network.swift
/Users/admin/builder/spi-builder-workspace/Sources/Network.swift:49:5: warning: capture of 'result' with non-sendable type 'Result<Output>?' in a '@Sendable' closure
 47 | 		let task = URLSession(configuration: .default).dataTask(with: request) { data, _, error in
 48 | 			if let data = data {
 49 | 				result = Result<Output>.decode(from: data)
    |     `- warning: capture of 'result' with non-sendable type 'Result<Output>?' in a '@Sendable' closure
 50 | 			} else {
 51 | 				result = .failure(error!)
/Users/admin/builder/spi-builder-workspace/Sources/Utilities.swift:11:13: note: consider making generic enum 'Result' conform to the 'Sendable' protocol
 9 | import Foundation
10 |
11 | public enum Result<T>: Decodable where T: Decodable {
   |             `- note: consider making generic enum 'Result' conform to the 'Sendable' protocol
12 |
13 | 	case success(T)
/Users/admin/builder/spi-builder-workspace/Sources/Network.swift:49:5: warning: mutation of captured var 'result' in concurrently-executing code
 47 | 		let task = URLSession(configuration: .default).dataTask(with: request) { data, _, error in
 48 | 			if let data = data {
 49 | 				result = Result<Output>.decode(from: data)
    |     `- warning: mutation of captured var 'result' in concurrently-executing code
 50 | 			} else {
 51 | 				result = .failure(error!)
/Users/admin/builder/spi-builder-workspace/Sources/Network.swift:51:5: warning: mutation of captured var 'result' in concurrently-executing code
 49 | 				result = Result<Output>.decode(from: data)
 50 | 			} else {
 51 | 				result = .failure(error!)
    |     `- warning: mutation of captured var 'result' in concurrently-executing code
 52 | 			}
 53 | 			semaphore.signal()
[8/17] Compiling ZEGBot Updating.swift
[9/17] Compiling ZEGBot Methods.swift
[10/17] Compiling ZEGBot Extensions.swift
[11/17] Emitting module ZEGBot
[12/17] Compiling ZEGBot Types.swift
[13/17] Compiling ZEGBot HelperTypes.swift
[14/17] Compiling ZEGBot Sending.swift
[15/19] Emitting module ZEGBotExample
[16/19] Compiling ZEGBotExample main.swift
[16/19] Write Objects.LinkFileList
[17/19] Linking ZEGBotExample
[18/19] Applying ZEGBotExample
Build complete! (5.54s)
Build complete.
{
  "dependencies" : [
  ],
  "manifest_display_name" : "ZEGBot",
  "name" : "ZEGBot",
  "path" : "/Users/admin/builder/spi-builder-workspace",
  "platforms" : [
  ],
  "products" : [
    {
      "name" : "ZEGBot",
      "targets" : [
        "ZEGBot"
      ],
      "type" : {
        "library" : [
          "automatic"
        ]
      }
    },
    {
      "name" : "ZEGBotExample",
      "targets" : [
        "ZEGBotExample"
      ],
      "type" : {
        "executable" : null
      }
    }
  ],
  "swift_languages_versions" : [
    "5"
  ],
  "targets" : [
    {
      "c99name" : "ZEGBotTests",
      "module_type" : "SwiftTarget",
      "name" : "ZEGBotTests",
      "path" : "Tests/ZEGBotTests",
      "sources" : [
        "ZEGBotTests.swift"
      ],
      "target_dependencies" : [
        "ZEGBot"
      ],
      "type" : "test"
    },
    {
      "c99name" : "ZEGBotExample",
      "module_type" : "SwiftTarget",
      "name" : "ZEGBotExample",
      "path" : "Example",
      "product_memberships" : [
        "ZEGBotExample"
      ],
      "sources" : [
        "main.swift"
      ],
      "target_dependencies" : [
        "ZEGBot"
      ],
      "type" : "executable"
    },
    {
      "c99name" : "ZEGBot",
      "module_type" : "SwiftTarget",
      "name" : "ZEGBot",
      "path" : "Sources",
      "product_memberships" : [
        "ZEGBot",
        "ZEGBotExample"
      ],
      "sources" : [
        "Extensions.swift",
        "HelperTypes.swift",
        "Methods.swift",
        "Network.swift",
        "Sending.swift",
        "Types.swift",
        "Updating.swift",
        "Utilities.swift",
        "ZEGBot.swift"
      ],
      "type" : "library"
    }
  ],
  "tools_version" : "5.0"
}
Done.