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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 Chain with Swift 6.0 for macOS (SPM).

Swift 6 data race errors: 0

Build Command

env DEVELOPER_DIR=/Applications/Xcode-15.3.0.app xcrun --toolchain org.swift.600202405261a swift build --arch arm64 -Xswiftc -Xfrontend -Xswiftc -stats-output-dir -Xswiftc -Xfrontend -Xswiftc .stats -Xswiftc -strict-concurrency=complete

Build Log

========================================
RunAll
========================================
Builder version: 4.40.0
Interrupt handler set up.
========================================
Checkout
========================================
Clone URL: https://github.com/0xLet/Chain.git
Reference: main
Initialized empty Git repository in /Users/admin/builder/spi-builder-workspace/.git/
From https://github.com/0xLet/Chain
 * branch            main       -> FETCH_HEAD
 * [new branch]      main       -> origin/main
HEAD is now at e693d4d Merge pull request #5 from 0xLeif/develop
Cloned https://github.com/0xLet/Chain.git
Revision (git rev-parse @):
e693d4dcc8b21910299c076346f62d4de80a4aa8
SUCCESS checkout https://github.com/0xLet/Chain.git at main
========================================
Build
========================================
Selected platform:         macosSpm
Swift version:             6.0
Building package at path:  $workDir
https://github.com/0xLet/Chain.git
Running build ...
env DEVELOPER_DIR=/Applications/Xcode-15.3.0.app xcrun --toolchain org.swift.600202405261a swift build --arch arm64 -Xswiftc -Xfrontend -Xswiftc -stats-output-dir -Xswiftc -Xfrontend -Xswiftc .stats -Xswiftc -strict-concurrency=complete
Building for debugging...
[0/3] Write sources
[2/3] Write swift-version-6F35C1178C84523A.txt
[4/8] Compiling E Variable.swift
[5/8] Emitting module E
[6/8] Compiling E Control.swift
[7/8] Compiling E Function.swift
[8/8] Compiling E State.swift
[9/10] Compiling Chain Chain.swift
/Users/admin/builder/spi-builder-workspace/Sources/Chain/Chain.swift:45:46: warning: capture of 'action' with non-sendable type 'Function' in a `@Sendable` closure; this is an error in the Swift 6 language mode
 43 |                          let next):
 44 |             DispatchQueue.global().async {
 45 |                 let actionOutput: Variable = action.run(input) ?? Variable.void
    |                                              `- warning: capture of 'action' with non-sendable type 'Function' in a `@Sendable` closure; this is an error in the Swift 6 language mode
 46 |
 47 |                 DispatchQueue.main.async {
/Users/admin/builder/spi-builder-workspace/.build/checkouts/E.num/Sources/E/Function.swift:9:13: note: enum 'Function' does not conform to the 'Sendable' protocol
 7 |
 8 | @dynamicCallable
 9 | public enum Function {
   |             `- note: enum 'Function' does not conform to the 'Sendable' protocol
10 |     case void(() -> ())
11 |     case `in`((Variable) -> ())
/Users/admin/builder/spi-builder-workspace/Sources/Chain/Chain.swift:2:1: warning: add '@preconcurrency' to suppress 'Sendable'-related warnings from module 'E'
  1 | import Foundation
  2 | import E
    | `- warning: add '@preconcurrency' to suppress 'Sendable'-related warnings from module 'E'
  3 |
  4 | public indirect enum Chain {
/Users/admin/builder/spi-builder-workspace/Sources/Chain/Chain.swift:45:57: warning: capture of 'input' with non-sendable type 'Variable?' in a `@Sendable` closure; this is an error in the Swift 6 language mode
 43 |                          let next):
 44 |             DispatchQueue.global().async {
 45 |                 let actionOutput: Variable = action.run(input) ?? Variable.void
    |                                                         `- warning: capture of 'input' with non-sendable type 'Variable?' in a `@Sendable` closure; this is an error in the Swift 6 language mode
 46 |
 47 |                 DispatchQueue.main.async {
/Users/admin/builder/spi-builder-workspace/.build/checkouts/E.num/Sources/E/Variable.swift:8:13: note: enum 'Variable' does not conform to the 'Sendable' protocol
  6 | //
  7 |
  8 | public enum Variable: Hashable {
    |             `- note: enum 'Variable' does not conform to the 'Sendable' protocol
  9 |     case void
 10 |     case bool(Bool)
/Users/admin/builder/spi-builder-workspace/Sources/Chain/Chain.swift:48:25: warning: capture of 'next' with non-sendable type 'Chain' in a `@Sendable` closure; this is an error in the Swift 6 language mode
  2 | import E
  3 |
  4 | public indirect enum Chain {
    |                      `- note: consider making enum 'Chain' conform to the 'Sendable' protocol
  5 |     case end
  6 |     case complete(E.Function?)
    :
 46 |
 47 |                 DispatchQueue.main.async {
 48 |                     _ = next.run(name: name,
    |                         `- warning: capture of 'next' with non-sendable type 'Chain' in a `@Sendable` closure; this is an error in the Swift 6 language mode
 49 |                                  input: actionOutput,
 50 |                                  logging: logging)
/Users/admin/builder/spi-builder-workspace/Sources/Chain/Chain.swift:48:25: warning: capture of 'next' with non-sendable type 'Chain' in a `@Sendable` closure; this is an error in the Swift 6 language mode
  2 | import E
  3 |
  4 | public indirect enum Chain {
    |                      `- note: consider making enum 'Chain' conform to the 'Sendable' protocol
  5 |     case end
  6 |     case complete(E.Function?)
    :
 46 |
 47 |                 DispatchQueue.main.async {
 48 |                     _ = next.run(name: name,
    |                         `- warning: capture of 'next' with non-sendable type 'Chain' in a `@Sendable` closure; this is an error in the Swift 6 language mode
 49 |                                  input: actionOutput,
 50 |                                  logging: logging)
/Users/admin/builder/spi-builder-workspace/Sources/Chain/Chain.swift:49:41: warning: capture of 'actionOutput' with non-sendable type 'Variable' in a `@Sendable` closure; this is an error in the Swift 6 language mode
 47 |                 DispatchQueue.main.async {
 48 |                     _ = next.run(name: name,
 49 |                                  input: actionOutput,
    |                                         `- warning: capture of 'actionOutput' with non-sendable type 'Variable' in a `@Sendable` closure; this is an error in the Swift 6 language mode
 50 |                                  logging: logging)
 51 |
/Users/admin/builder/spi-builder-workspace/.build/checkouts/E.num/Sources/E/Variable.swift:8:13: note: enum 'Variable' does not conform to the 'Sendable' protocol
  6 | //
  7 |
  8 | public enum Variable: Hashable {
    |             `- note: enum 'Variable' does not conform to the 'Sendable' protocol
  9 |     case void
 10 |     case bool(Bool)
[10/10] Emitting module Chain
Build complete! (20.48s)
Fetching https://github.com/0xLeif/E.num
[1/130] Fetching e.num
Fetched https://github.com/0xLeif/E.num from cache (0.74s)
Computing version for https://github.com/0xLeif/E.num
Computed https://github.com/0xLeif/E.num at 0.3.0 (0.66s)
Creating working copy for https://github.com/0xLeif/E.num
Working copy of https://github.com/0xLeif/E.num resolved at 0.3.0
Build complete.
{
  "dependencies" : [
    {
      "identity" : "e.num",
      "requirement" : {
        "range" : [
          {
            "lower_bound" : "0.3.0",
            "upper_bound" : "1.0.0"
          }
        ]
      },
      "type" : "sourceControl",
      "url" : "https://github.com/0xLeif/E.num"
    }
  ],
  "manifest_display_name" : "Chain",
  "name" : "Chain",
  "path" : "/Users/admin/builder/spi-builder-workspace",
  "platforms" : [
  ],
  "products" : [
    {
      "name" : "Chain",
      "targets" : [
        "Chain"
      ],
      "type" : {
        "library" : [
          "automatic"
        ]
      }
    }
  ],
  "targets" : [
    {
      "c99name" : "ChainTests",
      "module_type" : "SwiftTarget",
      "name" : "ChainTests",
      "path" : "Tests/ChainTests",
      "product_dependencies" : [
        "E"
      ],
      "sources" : [
        "ChainTests.swift",
        "XCTestManifests.swift"
      ],
      "target_dependencies" : [
        "Chain"
      ],
      "type" : "test"
    },
    {
      "c99name" : "Chain",
      "module_type" : "SwiftTarget",
      "name" : "Chain",
      "path" : "Sources/Chain",
      "product_dependencies" : [
        "E"
      ],
      "product_memberships" : [
        "Chain"
      ],
      "sources" : [
        "Chain.swift"
      ],
      "type" : "library"
    }
  ],
  "tools_version" : "5.3"
}
Done.
This is a staging environment. For live and up-to-date package information, visit swiftpackageindex.com.