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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 Coquille, reference 0.3.0 (cb2871), with Swift 6.0 for macOS (SPM) on 3 Nov 2024 03:59:56 UTC.

Swift 6 data race errors: 0

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/alexrozanski/Coquille.git
Reference: 0.3.0
Initialized empty Git repository in /Users/admin/builder/spi-builder-workspace/.git/
From https://github.com/alexrozanski/Coquille
 * tag               0.3.0      -> FETCH_HEAD
HEAD is now at cb28716 add build/test shield to README
Cloned https://github.com/alexrozanski/Coquille.git
Revision (git rev-parse @):
cb28716215a56760c66a4f635a1f71d6a2e2a42a
SUCCESS checkout https://github.com/alexrozanski/Coquille.git at 0.3.0
========================================
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": "coquille",
      "name": "Coquille",
      "url": "https://github.com/alexrozanski/Coquille.git",
      "version": "unspecified",
      "path": "/Users/admin/builder/spi-builder-workspace/.resolve-product-dependencies/.build/checkouts/Coquille",
      "dependencies": [
      ]
    }
  ]
}
Fetching https://github.com/alexrozanski/Coquille.git
[1/65] Fetching coquille
Fetched https://github.com/alexrozanski/Coquille.git from cache (0.69s)
Creating working copy for https://github.com/alexrozanski/Coquille.git
Working copy of https://github.com/alexrozanski/Coquille.git resolved at 0.3.0 (cb28716)
warning: '.resolve-product-dependencies': dependency 'coquille' 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/alexrozanski/Coquille.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
[3/4] Emitting module Coquille
[4/4] Compiling Coquille Process.swift
/Users/admin/builder/spi-builder-workspace/Sources/Coquille/Process.swift:170:21: warning: capture of '_completionHandler' with non-sendable type '(Process.Status) -> Void' in a `@Sendable` closure; this is an error in the Swift 6 language mode
168 |             do {
169 |                 if isCancelled {
170 |                     _completionHandler(.failure(1))
    |                     |- warning: capture of '_completionHandler' with non-sendable type '(Process.Status) -> 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'
171 |                     return
172 |                 }
/Users/admin/builder/spi-builder-workspace/Sources/Coquille/Process.swift:169:20: warning: reference to captured var 'isCancelled' in concurrently-executing code; this is an error in the Swift 6 language mode
167 |         DispatchQueue.global(qos: .default).async {
168 |             do {
169 |                 if isCancelled {
    |                    `- warning: reference to captured var 'isCancelled' in concurrently-executing code; this is an error in the Swift 6 language mode
170 |                     _completionHandler(.failure(1))
171 |                     return
/Users/admin/builder/spi-builder-workspace/Sources/Coquille/Process.swift:207:20: warning: capture of 'output' with non-sendable type 'Process.Output' in a `@Sendable` closure; this is an error in the Swift 6 language mode
 44 |     }
 45 |
 46 |     public enum Output {
    |                 `- note: consider making enum 'Output' conform to the 'Sendable' protocol
 47 |         case stdout
 48 |         case stderr
    :
205 |
206 |         fileHandleForReading.readabilityHandler = { pipe in
207 |             switch output {
    |                    `- warning: capture of 'output' with non-sendable type 'Process.Output' in a `@Sendable` closure; this is an error in the Swift 6 language mode
208 |             case .stdout:
209 |                 if #available(macOS 11, *) {
/Users/admin/builder/spi-builder-workspace/Sources/Coquille/Process.swift:126:34: warning: sending 'status' risks causing data races; this is an error in the Swift 6 language mode
124 |             do {
125 |                 try _run { status in
126 |                     continuation.resume(returning: status)
    |                                  |- warning: sending 'status' risks causing data races; this is an error in the Swift 6 language mode
    |                                  `- note: task-isolated 'status' is passed as a 'sending' parameter; Uses in callee may race with later task-isolated uses
127 |                 }
128 |             } catch {
Build complete! (6.16s)
Build complete.
{
  "dependencies" : [
  ],
  "manifest_display_name" : "Coquille",
  "name" : "Coquille",
  "path" : "/Users/admin/builder/spi-builder-workspace",
  "platforms" : [
    {
      "name" : "macos",
      "version" : "10.15"
    }
  ],
  "products" : [
    {
      "name" : "Coquille",
      "targets" : [
        "Coquille"
      ],
      "type" : {
        "library" : [
          "automatic"
        ]
      }
    }
  ],
  "targets" : [
    {
      "c99name" : "CoquilleTests",
      "module_type" : "SwiftTarget",
      "name" : "CoquilleTests",
      "path" : "Tests/CoquilleTests",
      "sources" : [
        "CoquilleTests.swift"
      ],
      "target_dependencies" : [
        "Coquille"
      ],
      "type" : "test"
    },
    {
      "c99name" : "Coquille",
      "module_type" : "SwiftTarget",
      "name" : "Coquille",
      "path" : "Sources/Coquille",
      "product_memberships" : [
        "Coquille"
      ],
      "sources" : [
        "Process.swift"
      ],
      "type" : "library"
    }
  ],
  "tools_version" : "5.5"
}
Done.