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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 MiniFuture, reference master (894ed0), with Swift 6.0 for macOS (SPM) on 26 Nov 2024 16:44:29 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 -Xswiftc -enable-upcoming-feature -Xswiftc StrictConcurrency -Xswiftc -enable-upcoming-feature -Xswiftc DisableOutwardActorInference -Xswiftc -enable-upcoming-feature -Xswiftc GlobalActorIsolatedTypesUsability -Xswiftc -enable-upcoming-feature -Xswiftc InferSendableFromCaptures

Build Log

========================================
RunAll
========================================
Builder version: 4.58.0
Interrupt handler set up.
========================================
Checkout
========================================
Clone URL: https://github.com/tkareine/MiniFuture.git
Reference: master
Initialized empty Git repository in /Users/admin/builder/spi-builder-workspace/.git/
From https://github.com/tkareine/MiniFuture
 * branch            master     -> FETCH_HEAD
 * [new branch]      master     -> origin/master
HEAD is now at 894ed0c Update readme
Cloned https://github.com/tkareine/MiniFuture.git
Revision (git rev-parse @):
894ed0cf7c1bb8aeafe0a8fa5fa48a9a403ecdf6
SUCCESS checkout https://github.com/tkareine/MiniFuture.git at master
========================================
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": "minifuture",
      "name": "MiniFuture",
      "url": "https://github.com/tkareine/MiniFuture.git",
      "version": "unspecified",
      "path": "/Users/admin/builder/spi-builder-workspace/.resolve-product-dependencies/.build/checkouts/MiniFuture",
      "dependencies": [
      ]
    }
  ]
}
Fetching https://github.com/tkareine/MiniFuture.git
[1/657] Fetching minifuture
Fetched https://github.com/tkareine/MiniFuture.git from cache (1.34s)
Creating working copy for https://github.com/tkareine/MiniFuture.git
Working copy of https://github.com/tkareine/MiniFuture.git resolved at master (894ed0c)
warning: '.resolve-product-dependencies': dependency 'minifuture' 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/tkareine/MiniFuture.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 -Xswiftc -enable-upcoming-feature -Xswiftc StrictConcurrency -Xswiftc -enable-upcoming-feature -Xswiftc DisableOutwardActorInference -Xswiftc -enable-upcoming-feature -Xswiftc GlobalActorIsolatedTypesUsability -Xswiftc -enable-upcoming-feature -Xswiftc InferSendableFromCaptures
Building for debugging...
[0/7] Write sources
[2/7] Write Benchmark-entitlement.plist
[3/7] Write swift-version--7754E27361AE5C74.txt
[5/11] Compiling MiniFuture Future.swift
/Users/admin/builder/spi-builder-workspace/Source/Future.swift:13:32: warning: passing non-sendable parameter 'block' to function expecting a @Sendable closure
 10 |   }
 11 |
 12 |   static func async(_ block: @escaping () -> Void) {
    |                       `- note: parameter 'block' is implicitly non-sendable
 13 |     sharedQueue.async(execute: block)
    |                                `- warning: passing non-sendable parameter 'block' to function expecting a @Sendable closure
 14 |   }
 15 |
/Users/admin/builder/spi-builder-workspace/Source/Future.swift:17:46: warning: passing non-sendable parameter 'block' to function expecting a @Sendable closure
 14 |   }
 15 |
 16 |   static func async(_ group: Group, block: @escaping () -> Void) {
    |                                     `- note: parameter 'block' is implicitly non-sendable
 17 |     sharedQueue.async(group: group, execute: block)
    |                                              `- warning: passing non-sendable parameter 'block' to function expecting a @Sendable closure
 18 |   }
 19 |
/Users/admin/builder/spi-builder-workspace/Source/Future.swift:222:60: warning: string interpolation produces a debug description for a function value; did you mean to make this explicit?
220 |     let callbacks: [CompletionCallback] = condition.synchronized { _ in
221 |       if result != nil {
222 |         fatalError("Tried to complete PromiseFuture with \(value.value), but " +
    |                                                            |     `- note: use 'String(describing:)' to silence this warning
    |                                                            `- warning: string interpolation produces a debug description for a function value; did you mean to make this explicit?
223 |           "the future is already completed with \(result!)")
224 |       }
[6/11] Emitting module MiniFuture
[7/11] Compiling MiniFuture Condition.swift
/Users/admin/builder/spi-builder-workspace/Source/Condition.swift:23:15: warning: 'deallocate(capacity:)' is deprecated: Swift currently only supports freeing entire heap blocks, use deallocate() instead
21 |     let condRes = pthread_cond_destroy(condition)
22 |     assert(condRes == 0)
23 |     condition.deallocate(capacity: 1)
   |               `- warning: 'deallocate(capacity:)' is deprecated: Swift currently only supports freeing entire heap blocks, use deallocate() instead
24 |     let mutexRes = pthread_mutex_destroy(mutex)
25 |     assert(mutexRes == 0)
/Users/admin/builder/spi-builder-workspace/Source/Condition.swift:26:11: warning: 'deallocate(capacity:)' is deprecated: Swift currently only supports freeing entire heap blocks, use deallocate() instead
24 |     let mutexRes = pthread_mutex_destroy(mutex)
25 |     assert(mutexRes == 0)
26 |     mutex.deallocate(capacity: 1)
   |           `- warning: 'deallocate(capacity:)' is deprecated: Swift currently only supports freeing entire heap blocks, use deallocate() instead
27 |   }
28 |
[8/11] Compiling MiniFuture Try.swift
[9/13] Compiling Benchmark main.swift
[10/13] Emitting module Benchmark
[10/13] Write Objects.LinkFileList
[11/13] Linking Benchmark
[12/13] Applying Benchmark
Build complete! (6.05s)
Build complete.
{
  "dependencies" : [
  ],
  "manifest_display_name" : "MiniFuture",
  "name" : "MiniFuture",
  "path" : "/Users/admin/builder/spi-builder-workspace",
  "platforms" : [
  ],
  "products" : [
    {
      "name" : "MiniFuture",
      "targets" : [
        "MiniFuture"
      ],
      "type" : {
        "library" : [
          "automatic"
        ]
      }
    },
    {
      "name" : "Benchmark",
      "targets" : [
        "Benchmark"
      ],
      "type" : {
        "executable" : null
      }
    }
  ],
  "swift_languages_versions" : [
    "4"
  ],
  "targets" : [
    {
      "c99name" : "MiniFutureTests",
      "module_type" : "SwiftTarget",
      "name" : "MiniFutureTests",
      "path" : "Test",
      "sources" : [
        "AppError.swift",
        "FutureTests.swift",
        "TryTests.swift"
      ],
      "target_dependencies" : [
        "MiniFuture"
      ],
      "type" : "test"
    },
    {
      "c99name" : "MiniFuture",
      "module_type" : "SwiftTarget",
      "name" : "MiniFuture",
      "path" : "Source",
      "product_memberships" : [
        "MiniFuture",
        "Benchmark"
      ],
      "sources" : [
        "Condition.swift",
        "Future.swift",
        "Try.swift"
      ],
      "type" : "library"
    },
    {
      "c99name" : "Benchmark",
      "module_type" : "SwiftTarget",
      "name" : "Benchmark",
      "path" : "Benchmark",
      "product_memberships" : [
        "Benchmark"
      ],
      "sources" : [
        "main.swift"
      ],
      "target_dependencies" : [
        "MiniFuture"
      ],
      "type" : "executable"
    }
  ],
  "tools_version" : "4.0"
}
Done.