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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 Transport, reference 2.3.14 (20f514), with Swift 6.0 for macOS (SPM) on 6 Nov 2024 02:33:45 UTC.

Swift 6 data race errors: 4

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/OperatorFoundation/Transport.git
Reference: 2.3.14
Initialized empty Git repository in /Users/admin/builder/spi-builder-workspace/.git/
From https://github.com/OperatorFoundation/Transport
 * tag               2.3.14     -> FETCH_HEAD
HEAD is now at 20f5143 Update Package.swift
Cloned https://github.com/OperatorFoundation/Transport.git
Revision (git rev-parse @):
20f514391d9d7423cf75bde04c98101ffa7b612f
SUCCESS checkout https://github.com/OperatorFoundation/Transport.git at 2.3.14
Fetching https://github.com/OperatorFoundation/Net
Fetching https://github.com/OperatorFoundation/Datable
[1/399] Fetching datable
[277/504] Fetching datable, net
Fetched https://github.com/OperatorFoundation/Net from cache (0.78s)
Fetched https://github.com/OperatorFoundation/Datable from cache (0.78s)
Computing version for https://github.com/OperatorFoundation/Net
Computed https://github.com/OperatorFoundation/Net at 0.0.11 (0.50s)
Computing version for https://github.com/OperatorFoundation/Datable
Computed https://github.com/OperatorFoundation/Datable at 4.0.1 (0.50s)
Creating working copy for https://github.com/OperatorFoundation/Datable
Working copy of https://github.com/OperatorFoundation/Datable resolved at 4.0.1
Creating working copy for https://github.com/OperatorFoundation/Net
Working copy of https://github.com/OperatorFoundation/Net resolved at 0.0.11
========================================
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": "transport",
      "name": "Transport",
      "url": "https://github.com/OperatorFoundation/Transport.git",
      "version": "unspecified",
      "path": "/Users/admin/builder/spi-builder-workspace/.resolve-product-dependencies/.build/checkouts/Transport",
      "dependencies": [
        {
          "identity": "net",
          "name": "Net",
          "url": "https://github.com/OperatorFoundation/Net",
          "version": "0.0.11",
          "path": "/Users/admin/builder/spi-builder-workspace/.resolve-product-dependencies/.build/checkouts/Net",
          "dependencies": [
            {
              "identity": "datable",
              "name": "Datable",
              "url": "https://github.com/OperatorFoundation/Datable",
              "version": "4.0.1",
              "path": "/Users/admin/builder/spi-builder-workspace/.resolve-product-dependencies/.build/checkouts/Datable",
              "dependencies": [
              ]
            }
          ]
        }
      ]
    }
  ]
}
Fetching https://github.com/OperatorFoundation/Transport.git
[1/452] Fetching transport
Fetched https://github.com/OperatorFoundation/Transport.git from cache (0.78s)
Fetching https://github.com/OperatorFoundation/Net from cache
Fetched https://github.com/OperatorFoundation/Net from cache (0.46s)
Computing version for https://github.com/OperatorFoundation/Net
Computed https://github.com/OperatorFoundation/Net at 0.0.11 (0.02s)
Fetching https://github.com/OperatorFoundation/Datable from cache
Fetched https://github.com/OperatorFoundation/Datable from cache (0.49s)
Computing version for https://github.com/OperatorFoundation/Datable
Computed https://github.com/OperatorFoundation/Datable at 4.0.1 (0.03s)
Creating working copy for https://github.com/OperatorFoundation/Transport.git
Working copy of https://github.com/OperatorFoundation/Transport.git resolved at 2.3.14 (20f5143)
Creating working copy for https://github.com/OperatorFoundation/Net
Working copy of https://github.com/OperatorFoundation/Net resolved at 0.0.11
Creating working copy for https://github.com/OperatorFoundation/Datable
Working copy of https://github.com/OperatorFoundation/Datable resolved at 4.0.1
warning: '.resolve-product-dependencies': dependency 'transport' is not used by any target
Found 1 product dependencies
  - Net
========================================
Build
========================================
Selected platform:         macosSpm
Swift version:             6.0
Building package at path:  $PWD
https://github.com/OperatorFoundation/Transport.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...
[0/4] Write sources
[3/4] Write swift-version--7754E27361AE5C74.txt
[5/39] Emitting module Datable
[6/42] Compiling Datable Double+MaybeDatable.swift
[7/42] Compiling Datable Double+Stringable.swift
[8/42] Compiling Datable File.swift
[9/42] Compiling Datable Float+Floatable.swift
[10/42] Compiling Datable Float+MaybeDatable.swift
[11/42] Compiling Datable Float+MaybeIntable.swift
[12/42] Compiling Datable Floatable.swift
[13/42] Compiling Datable Int+Floatable.swift
[14/42] Compiling Datable Data+MaybeNetworkIntable.swift
[15/42] Compiling Datable Data+Stringable.swift
[16/42] Compiling Datable Datable.swift
[17/42] Compiling Datable DatableConfig.swift
[18/42] Compiling Datable MaybeDatable.swift
[19/42] Compiling Datable MaybeIntable.swift
[20/42] Compiling Datable MaybeNetworkIntable.swift
[21/42] Compiling Datable NetworkDatable.swift
[22/42] Compiling Datable NetworkIntable.swift
[23/42] Compiling Datable String+Arrayable.swift
[24/42] Compiling Datable String+Datable.swift
[25/42] Compiling Datable String+Intable.swift
[26/42] Compiling Datable Stringable.swift
[27/42] Compiling Datable StringableArray+CSVable.swift
[28/42] Compiling Datable Data+Datable.swift
[29/42] Compiling Datable Data+ExpressibleByStringLiteral.swift
[30/42] Compiling Datable Data+Floatable.swift
[31/42] Compiling Datable Data+MaybeIntable.swift
[32/42] Compiling Datable Arrayable.swift
[33/42] Compiling Datable CSVable.swift
[34/42] Compiling Datable Data+Arrayable.swift
[35/42] Compiling Datable Data+Base64.swift
[36/42] Compiling Datable Int+MaybeDatable.swift
[37/42] Compiling Datable Int+MaybeIntable.swift
[38/42] Compiling Datable Int+Stringable.swift
[39/42] Compiling Datable Intable.swift
[40/42] Compiling Datable UInt+Datable.swift
[41/42] Compiling Datable UInt+MaybeNetworkDatable.swift
[42/42] Compiling Datable UInt+Stringable.swift
[43/48] Compiling Net Network+MaybeDatable.swift
[44/48] Compiling Net Network+Codable.swift
[45/48] Compiling Net Network+Stringable.swift
[46/48] Compiling Net Ipify.swift
[47/48] Emitting module Net
[48/48] Compiling Net Net.swift
[49/56] Compiling Transport ServerConfig.swift
[50/56] Compiling Transport NWConnection+Connection.swift
/Users/admin/builder/spi-builder-workspace/Sources/Transport/NWConnection+Connection.swift:11:1: warning: sendability of function types in property 'stateUpdateHandler' does not match requirement in protocol 'Connection'; this is an error in the Swift 6 language mode
 9 | import Net
10 |
11 | extension NWConnection: Connection
   | `- warning: sendability of function types in property 'stateUpdateHandler' does not match requirement in protocol 'Connection'; this is an error in the Swift 6 language mode
12 | {
13 | }
/Users/admin/builder/spi-builder-workspace/Sources/Transport/Connection.swift:9:9: note: expected sendability to match requirement here
 7 |     func cancel()
 8 |
 9 |     var stateUpdateHandler: ((NWConnection.State) -> Void)? { get set }
   |         `- note: expected sendability to match requirement here
10 |     var viabilityUpdateHandler: ((Bool) -> Void)? { get set }
11 |
/Users/admin/builder/spi-builder-workspace/Sources/Transport/NWConnection+Connection.swift:11:1: warning: sendability of function types in property 'viabilityUpdateHandler' does not match requirement in protocol 'Connection'; this is an error in the Swift 6 language mode
 9 | import Net
10 |
11 | extension NWConnection: Connection
   | `- warning: sendability of function types in property 'viabilityUpdateHandler' does not match requirement in protocol 'Connection'; this is an error in the Swift 6 language mode
12 | {
13 | }
/Users/admin/builder/spi-builder-workspace/Sources/Transport/Connection.swift:10:9: note: expected sendability to match requirement here
 8 |
 9 |     var stateUpdateHandler: ((NWConnection.State) -> Void)? { get set }
10 |     var viabilityUpdateHandler: ((Bool) -> Void)? { get set }
   |         `- note: expected sendability to match requirement here
11 |
12 |     func send(content: Data?,
/Users/admin/builder/spi-builder-workspace/Sources/Transport/NWConnection+Connection.swift:11:1: warning: sendability of function types in instance method 'receive(minimumIncompleteLength:maximumLength:completion:)' does not match requirement in protocol 'Connection'; this is an error in the Swift 6 language mode
 9 | import Net
10 |
11 | extension NWConnection: Connection
   | `- warning: sendability of function types in instance method 'receive(minimumIncompleteLength:maximumLength:completion:)' does not match requirement in protocol 'Connection'; this is an error in the Swift 6 language mode
12 | {
13 | }
/Users/admin/builder/spi-builder-workspace/Sources/Transport/Connection.swift:17:10: note: expected sendability to match requirement here
15 |               completion: NWConnection.SendCompletion)
16 |
17 |     func receive(minimumIncompleteLength: Int, maximumLength: Int, completion: @escaping (Data?, NWConnection.ContentContext?, Bool, NWError?) -> Void)
   |          `- note: expected sendability to match requirement here
18 | }
19 |
[51/56] Compiling Transport Listener.swift
[52/56] Compiling Transport NWListener+Listener.swift
/Users/admin/builder/spi-builder-workspace/Sources/Transport/NWListener+Listener.swift:11:1: warning: sendability of function types in property 'stateUpdateHandler' does not match requirement in protocol 'Listener'; this is an error in the Swift 6 language mode
 9 | import Net
10 |
11 | extension NWListener: Listener
   | `- warning: sendability of function types in property 'stateUpdateHandler' does not match requirement in protocol 'Listener'; this is an error in the Swift 6 language mode
12 | {
13 |     public var newTransportConnectionHandler: ((Connection) -> Void)?
/Users/admin/builder/spi-builder-workspace/Sources/Transport/Listener.swift:18:9: note: expected sendability to match requirement here
16 |     var port: NWEndpoint.Port? { get }
17 |     var queue: DispatchQueue? { get }
18 |     var stateUpdateHandler: ((NWListener.State) -> Void)? { get set }
   |         `- note: expected sendability to match requirement here
19 |
20 |     func start(queue: DispatchQueue)
/Users/admin/builder/spi-builder-workspace/Sources/Transport/NWListener+Listener.swift:50:21: warning: capture of 'handler' with non-sendable type '(any Connection) -> Void' in a `@Sendable` closure; this is an error in the Swift 6 language mode
48 |                     (connection: NWConnection) in
49 |
50 |                     handler(connection)
   |                     |- warning: capture of 'handler' with non-sendable type '(any Connection) -> 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'
51 |                 }
52 |             }
[53/56] Compiling Transport ConnectionFactory.swift
[54/56] Compiling Transport NetworkConnectionFactory.swift
[55/56] Compiling Transport Connection.swift
[56/56] Emitting module Transport
/Users/admin/builder/spi-builder-workspace/Sources/Transport/NWConnection+Connection.swift:11:1: warning: sendability of function types in property 'stateUpdateHandler' does not match requirement in protocol 'Connection'; this is an error in the Swift 6 language mode
 9 | import Net
10 |
11 | extension NWConnection: Connection
   | `- warning: sendability of function types in property 'stateUpdateHandler' does not match requirement in protocol 'Connection'; this is an error in the Swift 6 language mode
12 | {
13 | }
/Users/admin/builder/spi-builder-workspace/Sources/Transport/Connection.swift:9:9: note: expected sendability to match requirement here
 7 |     func cancel()
 8 |
 9 |     var stateUpdateHandler: ((NWConnection.State) -> Void)? { get set }
   |         `- note: expected sendability to match requirement here
10 |     var viabilityUpdateHandler: ((Bool) -> Void)? { get set }
11 |
/Users/admin/builder/spi-builder-workspace/Sources/Transport/NWConnection+Connection.swift:11:1: warning: sendability of function types in property 'viabilityUpdateHandler' does not match requirement in protocol 'Connection'; this is an error in the Swift 6 language mode
 9 | import Net
10 |
11 | extension NWConnection: Connection
   | `- warning: sendability of function types in property 'viabilityUpdateHandler' does not match requirement in protocol 'Connection'; this is an error in the Swift 6 language mode
12 | {
13 | }
/Users/admin/builder/spi-builder-workspace/Sources/Transport/Connection.swift:10:9: note: expected sendability to match requirement here
 8 |
 9 |     var stateUpdateHandler: ((NWConnection.State) -> Void)? { get set }
10 |     var viabilityUpdateHandler: ((Bool) -> Void)? { get set }
   |         `- note: expected sendability to match requirement here
11 |
12 |     func send(content: Data?,
/Users/admin/builder/spi-builder-workspace/Sources/Transport/NWConnection+Connection.swift:11:1: warning: sendability of function types in instance method 'receive(minimumIncompleteLength:maximumLength:completion:)' does not match requirement in protocol 'Connection'; this is an error in the Swift 6 language mode
 9 | import Net
10 |
11 | extension NWConnection: Connection
   | `- warning: sendability of function types in instance method 'receive(minimumIncompleteLength:maximumLength:completion:)' does not match requirement in protocol 'Connection'; this is an error in the Swift 6 language mode
12 | {
13 | }
/Users/admin/builder/spi-builder-workspace/Sources/Transport/Connection.swift:17:10: note: expected sendability to match requirement here
15 |               completion: NWConnection.SendCompletion)
16 |
17 |     func receive(minimumIncompleteLength: Int, maximumLength: Int, completion: @escaping (Data?, NWConnection.ContentContext?, Bool, NWError?) -> Void)
   |          `- note: expected sendability to match requirement here
18 | }
19 |
/Users/admin/builder/spi-builder-workspace/Sources/Transport/NWListener+Listener.swift:11:1: warning: sendability of function types in property 'stateUpdateHandler' does not match requirement in protocol 'Listener'; this is an error in the Swift 6 language mode
 9 | import Net
10 |
11 | extension NWListener: Listener
   | `- warning: sendability of function types in property 'stateUpdateHandler' does not match requirement in protocol 'Listener'; this is an error in the Swift 6 language mode
12 | {
13 |     public var newTransportConnectionHandler: ((Connection) -> Void)?
/Users/admin/builder/spi-builder-workspace/Sources/Transport/Listener.swift:18:9: note: expected sendability to match requirement here
16 |     var port: NWEndpoint.Port? { get }
17 |     var queue: DispatchQueue? { get }
18 |     var stateUpdateHandler: ((NWListener.State) -> Void)? { get set }
   |         `- note: expected sendability to match requirement here
19 |
20 |     func start(queue: DispatchQueue)
Build complete! (24.95s)
Build complete.
{
  "dependencies" : [
    {
      "identity" : "datable",
      "requirement" : {
        "range" : [
          {
            "lower_bound" : "4.0.1",
            "upper_bound" : "5.0.0"
          }
        ]
      },
      "type" : "sourceControl",
      "url" : "https://github.com/OperatorFoundation/Datable"
    },
    {
      "identity" : "net",
      "requirement" : {
        "range" : [
          {
            "lower_bound" : "0.0.11",
            "upper_bound" : "1.0.0"
          }
        ]
      },
      "type" : "sourceControl",
      "url" : "https://github.com/OperatorFoundation/Net"
    }
  ],
  "manifest_display_name" : "Transport",
  "name" : "Transport",
  "path" : "/Users/admin/builder/spi-builder-workspace",
  "platforms" : [
    {
      "name" : "macos",
      "version" : "14.0"
    },
    {
      "name" : "ios",
      "version" : "16.0"
    }
  ],
  "products" : [
    {
      "name" : "Transport",
      "targets" : [
        "Transport"
      ],
      "type" : {
        "library" : [
          "automatic"
        ]
      }
    }
  ],
  "swift_languages_versions" : [
    "5"
  ],
  "targets" : [
    {
      "c99name" : "TransportTests",
      "module_type" : "SwiftTarget",
      "name" : "TransportTests",
      "path" : "Tests/TransportTests",
      "product_dependencies" : [
        "Datable"
      ],
      "sources" : [
        "TransportTests.swift"
      ],
      "target_dependencies" : [
        "Transport"
      ],
      "type" : "test"
    },
    {
      "c99name" : "Transport",
      "module_type" : "SwiftTarget",
      "name" : "Transport",
      "path" : "Sources/Transport",
      "product_dependencies" : [
        "Net"
      ],
      "product_memberships" : [
        "Transport"
      ],
      "sources" : [
        "Connection.swift",
        "ConnectionFactory.swift",
        "Listener.swift",
        "NWConnection+Connection.swift",
        "NWListener+Listener.swift",
        "NetworkConnectionFactory.swift",
        "ServerConfig.swift"
      ],
      "type" : "library"
    }
  ],
  "tools_version" : "5.10"
}
Done.