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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, reference 0.3.0 (e693d4), with Swift 6.0 for macOS (SPM) on 1 Nov 2024 23:51:17 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/0xLet/Chain.git
Reference: 0.3.0
Initialized empty Git repository in /Users/admin/builder/spi-builder-workspace/.git/
From https://github.com/0xLet/Chain
 * tag               0.3.0      -> FETCH_HEAD
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 0.3.0
Fetching https://github.com/0xLeif/E.num
[1/130] Fetching e.num
Fetched https://github.com/0xLeif/E.num from cache (0.72s)
Computing version for https://github.com/0xLeif/E.num
Computed https://github.com/0xLeif/E.num at 0.3.0 (0.63s)
Creating working copy for https://github.com/0xLeif/E.num
Working copy of https://github.com/0xLeif/E.num resolved 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": "chain",
      "name": "Chain",
      "url": "https://github.com/0xLet/Chain.git",
      "version": "unspecified",
      "path": "/Users/admin/builder/spi-builder-workspace/.resolve-product-dependencies/.build/checkouts/Chain",
      "dependencies": [
        {
          "identity": "e.num",
          "name": "E",
          "url": "https://github.com/0xLeif/E.num",
          "version": "0.3.0",
          "path": "/Users/admin/builder/spi-builder-workspace/.resolve-product-dependencies/.build/checkouts/E.num",
          "dependencies": [
          ]
        }
      ]
    }
  ]
}
Fetching https://github.com/0xLet/Chain.git
[1/119] Fetching chain
Fetched https://github.com/0xLet/Chain.git from cache (0.69s)
Fetching https://github.com/0xLeif/E.num from cache
Fetched https://github.com/0xLeif/E.num from cache (0.49s)
Computing version for https://github.com/0xLeif/E.num
Computed https://github.com/0xLeif/E.num at 0.3.0 (0.02s)
Creating working copy for https://github.com/0xLet/Chain.git
Working copy of https://github.com/0xLet/Chain.git resolved at 0.3.0 (e693d4d)
Creating working copy for https://github.com/0xLeif/E.num
Working copy of https://github.com/0xLeif/E.num resolved at 0.3.0
warning: '.resolve-product-dependencies': dependency 'chain' is not used by any target
Found 1 product dependencies
  - E
========================================
Build
========================================
Selected platform:         macosSpm
Swift version:             6.0
Building package at path:  $PWD
https://github.com/0xLet/Chain.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...
[0/3] Write sources
[2/3] Write swift-version--7754E27361AE5C74.txt
[4/8] Compiling E Function.swift
[5/8] Emitting module E
[6/8] Compiling E Control.swift
[7/8] Compiling E Variable.swift
[8/8] Compiling E State.swift
[9/10] Emitting module Chain
[10/10] 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)
Build complete! (7.58s)
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.