Swift Package Index

Build Information

Successful build of ReadyForSwift6Test, reference main (db462d), with Swift 6.1 for macOS (SPM) on 7 Jan 2026 22:59:07 UTC.

Swift 6 data race errors: 1

Build Command

env DEVELOPER_DIR=/Applications/Xcode-16.3.0.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: 4.68.0
Interrupt handler set up.
========================================
Checkout
========================================
Clone URL: https://github.com/SwiftPackageIndex/ReadyForSwift6Test.git
Reference: main
Initialized empty Git repository in /Users/admin/builder/spi-builder-workspace/.git/
From https://github.com/SwiftPackageIndex/ReadyForSwift6Test
 * branch            main       -> FETCH_HEAD
 * [new branch]      main       -> origin/main
HEAD is now at db462d8 Include Apache License 2.0
Cloned https://github.com/SwiftPackageIndex/ReadyForSwift6Test.git
Revision (git rev-parse @):
db462d8a37192fdacc03736b7041b661a1c67a47
SUCCESS checkout https://github.com/SwiftPackageIndex/ReadyForSwift6Test.git at main
========================================
Build
========================================
Selected platform:         macosSpm
Swift version:             6.1
Building package at path:  $PWD
https://github.com/SwiftPackageIndex/ReadyForSwift6Test.git
https://github.com/SwiftPackageIndex/ReadyForSwift6Test.git
{
  "dependencies" : [
  ],
  "manifest_display_name" : "ReadyForSwift6Test",
  "name" : "ReadyForSwift6Test",
  "path" : "/Users/admin/builder/spi-builder-workspace",
  "platforms" : [
    {
      "name" : "ios",
      "version" : "13.0"
    },
    {
      "name" : "tvos",
      "version" : "13.0"
    },
    {
      "name" : "watchos",
      "version" : "6.0"
    }
  ],
  "products" : [
    {
      "name" : "ReadyForSwift6Test",
      "targets" : [
        "ReadyForSwift6Test"
      ],
      "type" : {
        "library" : [
          "automatic"
        ]
      }
    }
  ],
  "targets" : [
    {
      "c99name" : "ReadyForSwift6Test",
      "module_type" : "SwiftTarget",
      "name" : "ReadyForSwift6Test",
      "path" : "Sources/ReadyForSwift6Test",
      "product_memberships" : [
        "ReadyForSwift6Test"
      ],
      "sources" : [
        "ReadyForSwift6Test.swift"
      ],
      "type" : "library"
    }
  ],
  "tools_version" : "5.10"
}
Running build ...
env DEVELOPER_DIR=/Applications/Xcode-16.3.0.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...
[0/2] Write sources
[1/2] Write swift-version-2F0A5646E1D333AE.txt
[3/4] Compiling ReadyForSwift6Test ReadyForSwift6Test.swift
/Users/admin/builder/spi-builder-workspace/Sources/ReadyForSwift6Test/ReadyForSwift6Test.swift:1:5: warning: var 'global' is not concurrency-safe because it is nonisolated global shared mutable state; this is an error in the Swift 6 language mode
1 | var global = 0
  |     |- warning: var 'global' is not concurrency-safe because it is nonisolated global shared mutable state; this is an error in the Swift 6 language mode
  |     |- note: convert 'global' to a 'let' constant to make 'Sendable' shared state immutable
  |     |- note: add '@MainActor' to make var 'global' part of global actor 'MainActor'
  |     `- note: disable concurrency-safety checks if accesses are protected by an external synchronization mechanism
2 |
3 | func f() async {
[4/4] Emitting module ReadyForSwift6Test
/Users/admin/builder/spi-builder-workspace/Sources/ReadyForSwift6Test/ReadyForSwift6Test.swift:1:5: warning: var 'global' is not concurrency-safe because it is nonisolated global shared mutable state; this is an error in the Swift 6 language mode
1 | var global = 0
  |     |- warning: var 'global' is not concurrency-safe because it is nonisolated global shared mutable state; this is an error in the Swift 6 language mode
  |     |- note: convert 'global' to a 'let' constant to make 'Sendable' shared state immutable
  |     |- note: add '@MainActor' to make var 'global' part of global actor 'MainActor'
  |     `- note: disable concurrency-safety checks if accesses are protected by an external synchronization mechanism
2 |
3 | func f() async {
Build complete! (0.73s)
Build complete.
{
  "dependencies" : [
  ],
  "manifest_display_name" : "ReadyForSwift6Test",
  "name" : "ReadyForSwift6Test",
  "path" : "/Users/admin/builder/spi-builder-workspace",
  "platforms" : [
    {
      "name" : "ios",
      "version" : "13.0"
    },
    {
      "name" : "tvos",
      "version" : "13.0"
    },
    {
      "name" : "watchos",
      "version" : "6.0"
    }
  ],
  "products" : [
    {
      "name" : "ReadyForSwift6Test",
      "targets" : [
        "ReadyForSwift6Test"
      ],
      "type" : {
        "library" : [
          "automatic"
        ]
      }
    }
  ],
  "targets" : [
    {
      "c99name" : "ReadyForSwift6Test",
      "module_type" : "SwiftTarget",
      "name" : "ReadyForSwift6Test",
      "path" : "Sources/ReadyForSwift6Test",
      "product_memberships" : [
        "ReadyForSwift6Test"
      ],
      "sources" : [
        "ReadyForSwift6Test.swift"
      ],
      "type" : "library"
    }
  ],
  "tools_version" : "5.10"
}
Done.