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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 Textbook, reference main (a70d9c), with Swift 6.1 for macOS (SPM) on 30 Apr 2025 05:34:48 UTC.

Swift 6 data race errors: 0

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: 4.61.1
Interrupt handler set up.
========================================
Checkout
========================================
Clone URL: https://github.com/ChimeHQ/Textbook.git
Reference: main
Initialized empty Git repository in /Users/admin/builder/spi-builder-workspace/.git/
From https://github.com/ChimeHQ/Textbook
 * branch            main       -> FETCH_HEAD
 * [new branch]      main       -> origin/main
HEAD is now at a70d9cd Update Xcode in CI
Cloned https://github.com/ChimeHQ/Textbook.git
Revision (git rev-parse @):
a70d9cd0b7da1878e1db448283b431834fd00376
SPI manifest file found: $PWD/.spi.yml
SUCCESS checkout https://github.com/ChimeHQ/Textbook.git at main
========================================
Build
========================================
Selected platform:         macosSpm
Swift version:             6.1
Building package at path:  $PWD
https://github.com/ChimeHQ/Textbook.git
https://github.com/ChimeHQ/Textbook.git
{
  "dependencies" : [
  ],
  "manifest_display_name" : "Textbook",
  "name" : "Textbook",
  "path" : "/Users/admin/builder/spi-builder-workspace",
  "platforms" : [
    {
      "name" : "macos",
      "version" : "10.15"
    },
    {
      "name" : "maccatalyst",
      "version" : "13.0"
    },
    {
      "name" : "ios",
      "version" : "13.0"
    },
    {
      "name" : "tvos",
      "version" : "13.0"
    },
    {
      "name" : "visionos",
      "version" : "1.0"
    }
  ],
  "products" : [
    {
      "name" : "Textbook",
      "targets" : [
        "Textbook"
      ],
      "type" : {
        "library" : [
          "automatic"
        ]
      }
    }
  ],
  "targets" : [
    {
      "c99name" : "TextbookTests",
      "module_type" : "SwiftTarget",
      "name" : "TextbookTests",
      "path" : "Tests/TextbookTests",
      "sources" : [
        "BaseTextViewTests.swift",
        "TextViewTests.swift"
      ],
      "target_dependencies" : [
        "Textbook"
      ],
      "type" : "test"
    },
    {
      "c99name" : "Textbook",
      "module_type" : "SwiftTarget",
      "name" : "Textbook",
      "path" : "Sources/Textbook",
      "product_memberships" : [
        "Textbook"
      ],
      "sources" : [
        "BaseTextView_AppKit.swift",
        "NSTextView+Behavior.swift",
        "TextView_AppKit.swift",
        "TextView_UIKit.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
[3/7] Compiling Textbook TextView_UIKit.swift
[4/7] Compiling Textbook NSTextView+Behavior.swift
[5/7] Compiling Textbook BaseTextView_AppKit.swift
[6/7] Emitting module Textbook
[7/7] Compiling Textbook TextView_AppKit.swift
Build complete! (8.11s)
Build complete.
{
  "dependencies" : [
  ],
  "manifest_display_name" : "Textbook",
  "name" : "Textbook",
  "path" : "/Users/admin/builder/spi-builder-workspace",
  "platforms" : [
    {
      "name" : "macos",
      "version" : "10.15"
    },
    {
      "name" : "maccatalyst",
      "version" : "13.0"
    },
    {
      "name" : "ios",
      "version" : "13.0"
    },
    {
      "name" : "tvos",
      "version" : "13.0"
    },
    {
      "name" : "visionos",
      "version" : "1.0"
    }
  ],
  "products" : [
    {
      "name" : "Textbook",
      "targets" : [
        "Textbook"
      ],
      "type" : {
        "library" : [
          "automatic"
        ]
      }
    }
  ],
  "targets" : [
    {
      "c99name" : "TextbookTests",
      "module_type" : "SwiftTarget",
      "name" : "TextbookTests",
      "path" : "Tests/TextbookTests",
      "sources" : [
        "BaseTextViewTests.swift",
        "TextViewTests.swift"
      ],
      "target_dependencies" : [
        "Textbook"
      ],
      "type" : "test"
    },
    {
      "c99name" : "Textbook",
      "module_type" : "SwiftTarget",
      "name" : "Textbook",
      "path" : "Sources/Textbook",
      "product_memberships" : [
        "Textbook"
      ],
      "sources" : [
        "BaseTextView_AppKit.swift",
        "NSTextView+Behavior.swift",
        "TextView_AppKit.swift",
        "TextView_UIKit.swift"
      ],
      "type" : "library"
    }
  ],
  "tools_version" : "5.10"
}
Done.