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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 Networking, reference 2.0.3 (a4bef0), with Swift 6.1 for macOS (SPM) on 28 Apr 2025 10:59:26 UTC.

Swift 6 data race errors: 4

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/freshOS/Networking.git
Reference: 2.0.3
Initialized empty Git repository in /Users/admin/builder/spi-builder-workspace/.git/
From https://github.com/freshOS/Networking
 * tag               2.0.3      -> FETCH_HEAD
HEAD is now at a4bef06 Copy PrivacyInfo.xcprivacy resource on target build
Cloned https://github.com/freshOS/Networking.git
Revision (git rev-parse @):
a4bef0613f568ffc3a25366ed4af6cf4348501b6
SUCCESS checkout https://github.com/freshOS/Networking.git at 2.0.3
========================================
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": "networking",
      "name": "Networking",
      "url": "https://github.com/freshOS/Networking.git",
      "version": "unspecified",
      "path": "/Users/admin/builder/spi-builder-workspace/.resolve-product-dependencies/.build/checkouts/Networking",
      "dependencies": [
      ]
    }
  ]
}
Fetching https://github.com/freshOS/Networking.git
[1/1260] Fetching networking
Fetched https://github.com/freshOS/Networking.git from cache (0.83s)
Creating working copy for https://github.com/freshOS/Networking.git
Working copy of https://github.com/freshOS/Networking.git resolved at 2.0.3 (a4bef06)
warning: '.resolve-product-dependencies': dependency 'networking' is not used by any target
Found 0 product dependencies
========================================
Build
========================================
Selected platform:         macosSpm
Swift version:             6.1
Building package at path:  $PWD
https://github.com/freshOS/Networking.git
https://github.com/freshOS/Networking.git
{
  "dependencies" : [
  ],
  "manifest_display_name" : "Networking",
  "name" : "Networking",
  "path" : "/Users/admin/builder/spi-builder-workspace",
  "platforms" : [
    {
      "name" : "ios",
      "version" : "13.0"
    },
    {
      "name" : "macos",
      "version" : "10.15"
    },
    {
      "name" : "watchos",
      "version" : "6.0"
    },
    {
      "name" : "tvos",
      "version" : "13.0"
    }
  ],
  "products" : [
    {
      "name" : "Networking",
      "targets" : [
        "Networking"
      ],
      "type" : {
        "library" : [
          "automatic"
        ]
      }
    }
  ],
  "targets" : [
    {
      "c99name" : "NetworkingTests",
      "module_type" : "SwiftTarget",
      "name" : "NetworkingTests",
      "path" : "Tests/NetworkingTests",
      "sources" : [
        "CurlLoggingTests.swift",
        "DeleteRequestTests.swift",
        "GetRequestTests.swift",
        "MockingURLProtocol.swift",
        "MultipartRequestTests.swift",
        "NetworkingTests.swift",
        "ParamsTests.swift",
        "PatchRequestTests.swift",
        "Post+NetworkingJSONDecodable.swift",
        "Post.swift",
        "PostRequestTests.swift",
        "PutRequestTests.swift",
        "UserJSON.swift",
        "XCTestManifests.swift"
      ],
      "target_dependencies" : [
        "Networking"
      ],
      "type" : "test"
    },
    {
      "c99name" : "Networking",
      "module_type" : "SwiftTarget",
      "name" : "Networking",
      "path" : "Sources",
      "product_memberships" : [
        "Networking"
      ],
      "resources" : [
        {
          "path" : "/Users/admin/builder/spi-builder-workspace/Sources/PrivacyInfo.xcprivacy",
          "rule" : {
            "copy" : {
            }
          }
        }
      ],
      "sources" : [
        "Networking/Calls/NetworkingClient+Data.swift",
        "Networking/Calls/NetworkingClient+Decodable.swift",
        "Networking/Calls/NetworkingClient+JSON.swift",
        "Networking/Calls/NetworkingClient+Multipart.swift",
        "Networking/Calls/NetworkingClient+NetworkingJSONDecodable.swift",
        "Networking/Calls/NetworkingClient+Requests.swift",
        "Networking/Calls/NetworkingClient+Void.swift",
        "Networking/HTTPMethod.swift",
        "Networking/Logging/NetworkingLogLevel.swift",
        "Networking/Logging/NetworkingLogger.swift",
        "Networking/Multipart/HttpBodyConvertible.swift",
        "Networking/Multipart/MultipartData+HttpBodyConvertible.swift",
        "Networking/Multipart/MultipartData.swift",
        "Networking/Multipart/Params+HttpBodyConvertible.swift",
        "Networking/NetworkingClient.swift",
        "Networking/NetworkingError.swift",
        "Networking/NetworkingRequest.swift",
        "Networking/NetworkingService.swift",
        "Networking/Params.swift"
      ],
      "type" : "library"
    }
  ],
  "tools_version" : "5.9"
}
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...
[0/3] Write sources
[0/3] Copying PrivacyInfo.xcprivacy
[2/3] Write swift-version-2F0A5646E1D333AE.txt
[4/22] Compiling Networking NetworkingClient+Void.swift
[5/22] Compiling Networking HTTPMethod.swift
[6/22] Compiling Networking NetworkingClient+NetworkingJSONDecodable.swift
[7/22] Compiling Networking NetworkingClient+Requests.swift
[8/24] Compiling Networking NetworkingLogLevel.swift
[9/24] Compiling Networking NetworkingLogger.swift
[10/24] Compiling Networking HttpBodyConvertible.swift
[11/24] Compiling Networking MultipartData+HttpBodyConvertible.swift
[12/24] Compiling Networking NetworkingClient+JSON.swift
[13/24] Compiling Networking NetworkingClient+Multipart.swift
[14/24] Emitting module Networking
/Users/admin/builder/spi-builder-workspace/Sources/Networking/NetworkingError.swift:145:16: warning: stored property 'status' of 'Sendable'-conforming struct 'NetworkingError' has non-sendable type 'NetworkingError.Status'; this is an error in the Swift 6 language mode
 10 | public struct NetworkingError: Error, LocalizedError {
 11 |
 12 |     public enum Status: Int {
    |                 `- note: consider making enum 'Status' conform to the 'Sendable' protocol
 13 |         case unknown                        = -1
 14 |         case networkUnreachable             = 0
    :
143 |     }
144 |
145 |     public var status: Status
    |                `- warning: stored property 'status' of 'Sendable'-conforming struct 'NetworkingError' has non-sendable type 'NetworkingError.Status'; this is an error in the Swift 6 language mode
146 |     public var code: Int { return status.rawValue }
147 |     public var jsonPayload: Any?
/Users/admin/builder/spi-builder-workspace/Sources/Networking/NetworkingError.swift:147:16: warning: stored property 'jsonPayload' of 'Sendable'-conforming struct 'NetworkingError' has non-sendable type 'Any?'; this is an error in the Swift 6 language mode
145 |     public var status: Status
146 |     public var code: Int { return status.rawValue }
147 |     public var jsonPayload: Any?
    |                `- warning: stored property 'jsonPayload' of 'Sendable'-conforming struct 'NetworkingError' has non-sendable type 'Any?'; this is an error in the Swift 6 language mode
148 |
149 |     public init(errorCode: Int) {
/Users/admin/builder/spi-builder-workspace/Sources/Networking/NetworkingRequest.swift:13:14: warning: non-final class 'NetworkingRequest' cannot conform to 'Sendable'; use '@unchecked Sendable'; this is an error in the Swift 6 language mode
 11 | public typealias NetworkRequestRetrier = (_ request: URLRequest, _ error: Error) -> AnyPublisher<Void, Error>?
 12 |
 13 | public class NetworkingRequest: NSObject, URLSessionTaskDelegate {
    |              `- warning: non-final class 'NetworkingRequest' cannot conform to 'Sendable'; use '@unchecked Sendable'; this is an error in the Swift 6 language mode
 14 |
 15 |     var parameterEncoding = ParameterEncoding.urlEncoded
/Users/admin/builder/spi-builder-workspace/Sources/Networking/NetworkingRequest.swift:15:9: warning: stored property 'parameterEncoding' of 'Sendable'-conforming class 'NetworkingRequest' is mutable; this is an error in the Swift 6 language mode
 13 | public class NetworkingRequest: NSObject, URLSessionTaskDelegate {
 14 |
 15 |     var parameterEncoding = ParameterEncoding.urlEncoded
    |         `- warning: stored property 'parameterEncoding' of 'Sendable'-conforming class 'NetworkingRequest' is mutable; this is an error in the Swift 6 language mode
 16 |     var baseURL = ""
 17 |     var route = ""
[15/24] Compiling Networking NetworkingClient+Data.swift
[16/24] Compiling Networking NetworkingClient+Decodable.swift
[17/24] Compiling Networking NetworkingRequest.swift
/Users/admin/builder/spi-builder-workspace/Sources/Networking/NetworkingRequest.swift:13:14: warning: non-final class 'NetworkingRequest' cannot conform to 'Sendable'; use '@unchecked Sendable'; this is an error in the Swift 6 language mode
 11 | public typealias NetworkRequestRetrier = (_ request: URLRequest, _ error: Error) -> AnyPublisher<Void, Error>?
 12 |
 13 | public class NetworkingRequest: NSObject, URLSessionTaskDelegate {
    |              `- warning: non-final class 'NetworkingRequest' cannot conform to 'Sendable'; use '@unchecked Sendable'; this is an error in the Swift 6 language mode
 14 |
 15 |     var parameterEncoding = ParameterEncoding.urlEncoded
/Users/admin/builder/spi-builder-workspace/Sources/Networking/NetworkingRequest.swift:15:9: warning: stored property 'parameterEncoding' of 'Sendable'-conforming class 'NetworkingRequest' is mutable; this is an error in the Swift 6 language mode
 13 | public class NetworkingRequest: NSObject, URLSessionTaskDelegate {
 14 |
 15 |     var parameterEncoding = ParameterEncoding.urlEncoded
    |         `- warning: stored property 'parameterEncoding' of 'Sendable'-conforming class 'NetworkingRequest' is mutable; this is an error in the Swift 6 language mode
 16 |     var baseURL = ""
 17 |     var route = ""
[18/24] Compiling Networking NetworkingService.swift
/Users/admin/builder/spi-builder-workspace/Sources/Networking/NetworkingRequest.swift:13:14: warning: non-final class 'NetworkingRequest' cannot conform to 'Sendable'; use '@unchecked Sendable'; this is an error in the Swift 6 language mode
 11 | public typealias NetworkRequestRetrier = (_ request: URLRequest, _ error: Error) -> AnyPublisher<Void, Error>?
 12 |
 13 | public class NetworkingRequest: NSObject, URLSessionTaskDelegate {
    |              `- warning: non-final class 'NetworkingRequest' cannot conform to 'Sendable'; use '@unchecked Sendable'; this is an error in the Swift 6 language mode
 14 |
 15 |     var parameterEncoding = ParameterEncoding.urlEncoded
/Users/admin/builder/spi-builder-workspace/Sources/Networking/NetworkingRequest.swift:15:9: warning: stored property 'parameterEncoding' of 'Sendable'-conforming class 'NetworkingRequest' is mutable; this is an error in the Swift 6 language mode
 13 | public class NetworkingRequest: NSObject, URLSessionTaskDelegate {
 14 |
 15 |     var parameterEncoding = ParameterEncoding.urlEncoded
    |         `- warning: stored property 'parameterEncoding' of 'Sendable'-conforming class 'NetworkingRequest' is mutable; this is an error in the Swift 6 language mode
 16 |     var baseURL = ""
 17 |     var route = ""
[19/24] Compiling Networking MultipartData.swift
[20/24] Compiling Networking Params+HttpBodyConvertible.swift
[21/24] Compiling Networking NetworkingClient.swift
/Users/admin/builder/spi-builder-workspace/Sources/Networking/NetworkingError.swift:145:16: warning: stored property 'status' of 'Sendable'-conforming struct 'NetworkingError' has non-sendable type 'NetworkingError.Status'; this is an error in the Swift 6 language mode
 10 | public struct NetworkingError: Error, LocalizedError {
 11 |
 12 |     public enum Status: Int {
    |                 `- note: consider making enum 'Status' conform to the 'Sendable' protocol
 13 |         case unknown                        = -1
 14 |         case networkUnreachable             = 0
    :
143 |     }
144 |
145 |     public var status: Status
    |                `- warning: stored property 'status' of 'Sendable'-conforming struct 'NetworkingError' has non-sendable type 'NetworkingError.Status'; this is an error in the Swift 6 language mode
146 |     public var code: Int { return status.rawValue }
147 |     public var jsonPayload: Any?
/Users/admin/builder/spi-builder-workspace/Sources/Networking/NetworkingError.swift:147:16: warning: stored property 'jsonPayload' of 'Sendable'-conforming struct 'NetworkingError' has non-sendable type 'Any?'; this is an error in the Swift 6 language mode
145 |     public var status: Status
146 |     public var code: Int { return status.rawValue }
147 |     public var jsonPayload: Any?
    |                `- warning: stored property 'jsonPayload' of 'Sendable'-conforming struct 'NetworkingError' has non-sendable type 'Any?'; this is an error in the Swift 6 language mode
148 |
149 |     public init(errorCode: Int) {
[22/24] Compiling Networking NetworkingError.swift
/Users/admin/builder/spi-builder-workspace/Sources/Networking/NetworkingError.swift:145:16: warning: stored property 'status' of 'Sendable'-conforming struct 'NetworkingError' has non-sendable type 'NetworkingError.Status'; this is an error in the Swift 6 language mode
 10 | public struct NetworkingError: Error, LocalizedError {
 11 |
 12 |     public enum Status: Int {
    |                 `- note: consider making enum 'Status' conform to the 'Sendable' protocol
 13 |         case unknown                        = -1
 14 |         case networkUnreachable             = 0
    :
143 |     }
144 |
145 |     public var status: Status
    |                `- warning: stored property 'status' of 'Sendable'-conforming struct 'NetworkingError' has non-sendable type 'NetworkingError.Status'; this is an error in the Swift 6 language mode
146 |     public var code: Int { return status.rawValue }
147 |     public var jsonPayload: Any?
/Users/admin/builder/spi-builder-workspace/Sources/Networking/NetworkingError.swift:147:16: warning: stored property 'jsonPayload' of 'Sendable'-conforming struct 'NetworkingError' has non-sendable type 'Any?'; this is an error in the Swift 6 language mode
145 |     public var status: Status
146 |     public var code: Int { return status.rawValue }
147 |     public var jsonPayload: Any?
    |                `- warning: stored property 'jsonPayload' of 'Sendable'-conforming struct 'NetworkingError' has non-sendable type 'Any?'; this is an error in the Swift 6 language mode
148 |
149 |     public init(errorCode: Int) {
[23/24] Compiling Networking Params.swift
[24/24] Compiling Networking resource_bundle_accessor.swift
Build complete! (6.44s)
Build complete.
{
  "dependencies" : [
  ],
  "manifest_display_name" : "Networking",
  "name" : "Networking",
  "path" : "/Users/admin/builder/spi-builder-workspace",
  "platforms" : [
    {
      "name" : "ios",
      "version" : "13.0"
    },
    {
      "name" : "macos",
      "version" : "10.15"
    },
    {
      "name" : "watchos",
      "version" : "6.0"
    },
    {
      "name" : "tvos",
      "version" : "13.0"
    }
  ],
  "products" : [
    {
      "name" : "Networking",
      "targets" : [
        "Networking"
      ],
      "type" : {
        "library" : [
          "automatic"
        ]
      }
    }
  ],
  "targets" : [
    {
      "c99name" : "NetworkingTests",
      "module_type" : "SwiftTarget",
      "name" : "NetworkingTests",
      "path" : "Tests/NetworkingTests",
      "sources" : [
        "CurlLoggingTests.swift",
        "DeleteRequestTests.swift",
        "GetRequestTests.swift",
        "MockingURLProtocol.swift",
        "MultipartRequestTests.swift",
        "NetworkingTests.swift",
        "ParamsTests.swift",
        "PatchRequestTests.swift",
        "Post+NetworkingJSONDecodable.swift",
        "Post.swift",
        "PostRequestTests.swift",
        "PutRequestTests.swift",
        "UserJSON.swift",
        "XCTestManifests.swift"
      ],
      "target_dependencies" : [
        "Networking"
      ],
      "type" : "test"
    },
    {
      "c99name" : "Networking",
      "module_type" : "SwiftTarget",
      "name" : "Networking",
      "path" : "Sources",
      "product_memberships" : [
        "Networking"
      ],
      "resources" : [
        {
          "path" : "/Users/admin/builder/spi-builder-workspace/Sources/PrivacyInfo.xcprivacy",
          "rule" : {
            "copy" : {
            }
          }
        }
      ],
      "sources" : [
        "Networking/Calls/NetworkingClient+Data.swift",
        "Networking/Calls/NetworkingClient+Decodable.swift",
        "Networking/Calls/NetworkingClient+JSON.swift",
        "Networking/Calls/NetworkingClient+Multipart.swift",
        "Networking/Calls/NetworkingClient+NetworkingJSONDecodable.swift",
        "Networking/Calls/NetworkingClient+Requests.swift",
        "Networking/Calls/NetworkingClient+Void.swift",
        "Networking/HTTPMethod.swift",
        "Networking/Logging/NetworkingLogLevel.swift",
        "Networking/Logging/NetworkingLogger.swift",
        "Networking/Multipart/HttpBodyConvertible.swift",
        "Networking/Multipart/MultipartData+HttpBodyConvertible.swift",
        "Networking/Multipart/MultipartData.swift",
        "Networking/Multipart/Params+HttpBodyConvertible.swift",
        "Networking/NetworkingClient.swift",
        "Networking/NetworkingError.swift",
        "Networking/NetworkingRequest.swift",
        "Networking/NetworkingService.swift",
        "Networking/Params.swift"
      ],
      "type" : "library"
    }
  ],
  "tools_version" : "5.9"
}
Done.