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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 XPCConnectionSession, reference main (7286e3), with Swift 6.0 for macOS (SPM) on 3 Nov 2024 14:18:27 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/ChimeHQ/XPCConnectionSession.git
Reference: main
Initialized empty Git repository in /Users/admin/builder/spi-builder-workspace/.git/
From https://github.com/ChimeHQ/XPCConnectionSession
 * branch            main       -> FETCH_HEAD
 * [new branch]      main       -> origin/main
HEAD is now at 7286e38 funding
Cloned https://github.com/ChimeHQ/XPCConnectionSession.git
Revision (git rev-parse @):
7286e38e7c8a6abb2b2dea5c172509c55f470409
SUCCESS checkout https://github.com/ChimeHQ/XPCConnectionSession.git at main
========================================
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": "xpcconnectionsession",
      "name": "XPCConnectionSession",
      "url": "https://github.com/ChimeHQ/XPCConnectionSession.git",
      "version": "unspecified",
      "path": "/Users/admin/builder/spi-builder-workspace/.resolve-product-dependencies/.build/checkouts/XPCConnectionSession",
      "dependencies": [
      ]
    }
  ]
}
Fetching https://github.com/ChimeHQ/XPCConnectionSession.git
[1/38] Fetching xpcconnectionsession
Fetched https://github.com/ChimeHQ/XPCConnectionSession.git from cache (0.68s)
Creating working copy for https://github.com/ChimeHQ/XPCConnectionSession.git
Working copy of https://github.com/ChimeHQ/XPCConnectionSession.git resolved at main (7286e38)
warning: '.resolve-product-dependencies': dependency 'xpcconnectionsession' is not used by any target
Found 0 product dependencies
========================================
Build
========================================
Selected platform:         macosSpm
Swift version:             6.0
Building package at path:  $PWD
https://github.com/ChimeHQ/XPCConnectionSession.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...
[0/2] Write sources
[1/2] Write swift-version--7754E27361AE5C74.txt
[3/6] Compiling XPCConnectionSession XPCSession+Async.swift
/Users/admin/builder/spi-builder-workspace/Sources/XPCConnectionSession/XPCSession+Async.swift:9:14: warning: @_unsafeInheritExecutor attribute is deprecated; consider an 'isolated' parameter defaulted to '#isolation' instead; this is an error in the Swift 6 language mode
 7 | 	/// Sends a message over the session to the destination service asynchronously and returns the reply.
 8 | 	@_unsafeInheritExecutor
 9 | 	public func send<Message: Encodable, Reply: Decodable>(_ message: Message) async throws -> Reply {
   |              `- warning: @_unsafeInheritExecutor attribute is deprecated; consider an 'isolated' parameter defaulted to '#isolation' instead; this is an error in the Swift 6 language mode
10 | 		try await withCheckedThrowingContinuation { (continuation: CheckedContinuation<Reply, any Error>) in
11 | 			do {
/Users/admin/builder/spi-builder-workspace/Sources/XPCConnectionSession/XPCSession+Async.swift:12:38: warning: sending '$0' risks causing data races; this is an error in the Swift 6 language mode
10 | 		try await withCheckedThrowingContinuation { (continuation: CheckedContinuation<Reply, any Error>) in
11 | 			do {
12 | 				try send(message) { continuation.resume(with: $0) }
   |                                      |- warning: sending '$0' risks causing data races; this is an error in the Swift 6 language mode
   |                                      `- note: task-isolated '$0' is passed as a 'sending' parameter; Uses in callee may race with later task-isolated uses
13 | 			} catch {
14 | 				continuation.resume(throwing: error)
[4/6] Compiling XPCConnectionSession XPCReceivedConnectionMessage.swift
[5/6] Compiling XPCConnectionSession XPCConnectionSession.swift
/Users/admin/builder/spi-builder-workspace/Sources/XPCConnectionSession/XPCConnectionSession.swift:145:14: warning: @_unsafeInheritExecutor attribute is deprecated; consider an 'isolated' parameter defaulted to '#isolation' instead; this is an error in the Swift 6 language mode
143 | 	/// Sends a message to the remote service.
144 | 	@_unsafeInheritExecutor
145 | 	public func send<Message: Encodable, Reply: Decodable & Sendable>(_ message: Message) async throws -> Reply {
    |              `- warning: @_unsafeInheritExecutor attribute is deprecated; consider an 'isolated' parameter defaulted to '#isolation' instead; this is an error in the Swift 6 language mode
146 | 		try await withCheckedThrowingContinuation { (continuation: CheckedContinuation<Reply, any Error>) in
147 | 			do {
/Users/admin/builder/spi-builder-workspace/Sources/XPCConnectionSession/XPCConnectionSession.swift:137:41: warning: capture of 'incomingMessageHandler' with non-sendable type '(XPCReceivedConnectionMessage) -> (any Encodable)?' in a `@Sendable` closure; this is an error in the Swift 6 language mode
135 | 		queue.async {
136 | 			// I'm not sure how, or even if it is possible to get rid of this warning and also maintain backwards compatibility
137 | 			self.channelHandler.messageHandler = incomingMessageHandler
    |                                         |- warning: capture of 'incomingMessageHandler' with non-sendable type '(XPCReceivedConnectionMessage) -> (any Encodable)?' 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'
138 | 		}
139 | 	}
[6/6] Emitting module XPCConnectionSession
/Users/admin/builder/spi-builder-workspace/Sources/XPCConnectionSession/XPCConnectionSession.swift:145:14: warning: @_unsafeInheritExecutor attribute is deprecated; consider an 'isolated' parameter defaulted to '#isolation' instead; this is an error in the Swift 6 language mode
143 | 	/// Sends a message to the remote service.
144 | 	@_unsafeInheritExecutor
145 | 	public func send<Message: Encodable, Reply: Decodable & Sendable>(_ message: Message) async throws -> Reply {
    |              `- warning: @_unsafeInheritExecutor attribute is deprecated; consider an 'isolated' parameter defaulted to '#isolation' instead; this is an error in the Swift 6 language mode
146 | 		try await withCheckedThrowingContinuation { (continuation: CheckedContinuation<Reply, any Error>) in
147 | 			do {
/Users/admin/builder/spi-builder-workspace/Sources/XPCConnectionSession/XPCSession+Async.swift:9:14: warning: @_unsafeInheritExecutor attribute is deprecated; consider an 'isolated' parameter defaulted to '#isolation' instead; this is an error in the Swift 6 language mode
 7 | 	/// Sends a message over the session to the destination service asynchronously and returns the reply.
 8 | 	@_unsafeInheritExecutor
 9 | 	public func send<Message: Encodable, Reply: Decodable>(_ message: Message) async throws -> Reply {
   |              `- warning: @_unsafeInheritExecutor attribute is deprecated; consider an 'isolated' parameter defaulted to '#isolation' instead; this is an error in the Swift 6 language mode
10 | 		try await withCheckedThrowingContinuation { (continuation: CheckedContinuation<Reply, any Error>) in
11 | 			do {
Build complete! (5.94s)
Build complete.
{
  "dependencies" : [
  ],
  "manifest_display_name" : "XPCConnectionSession",
  "name" : "XPCConnectionSession",
  "path" : "/Users/admin/builder/spi-builder-workspace",
  "platforms" : [
    {
      "name" : "macos",
      "version" : "11.0"
    },
    {
      "name" : "ios",
      "version" : "14.0"
    }
  ],
  "products" : [
    {
      "name" : "XPCConnectionSession",
      "targets" : [
        "XPCConnectionSession"
      ],
      "type" : {
        "library" : [
          "automatic"
        ]
      }
    }
  ],
  "targets" : [
    {
      "c99name" : "XPCConnectionSessionTests",
      "module_type" : "SwiftTarget",
      "name" : "XPCConnectionSessionTests",
      "path" : "Tests/XPCConnectionSessionTests",
      "sources" : [
        "XPCConnectionSessionTests.swift"
      ],
      "target_dependencies" : [
        "XPCConnectionSession"
      ],
      "type" : "test"
    },
    {
      "c99name" : "XPCConnectionSession",
      "module_type" : "SwiftTarget",
      "name" : "XPCConnectionSession",
      "path" : "Sources/XPCConnectionSession",
      "product_memberships" : [
        "XPCConnectionSession"
      ],
      "sources" : [
        "XPCConnectionSession.swift",
        "XPCReceivedConnectionMessage.swift",
        "XPCSession+Async.swift"
      ],
      "type" : "library"
    }
  ],
  "tools_version" : "5.6"
}
Done.