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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 Lottie, reference main (90fa25), with Swift 6.1 for macOS (SPM) on 30 Apr 2025 06:45:09 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/airbnb/lottie-spm.git
Reference: main
Initialized empty Git repository in /Users/admin/builder/spi-builder-workspace/.git/
From https://github.com/airbnb/lottie-spm
 * branch            main       -> FETCH_HEAD
 * [new branch]      main       -> origin/main
HEAD is now at 90fa25b Adds info about adding the dependency to the target (#30)
Cloned https://github.com/airbnb/lottie-spm.git
Revision (git rev-parse @):
90fa25ba0feb39c22915d41b55226cc95955dfcc
SUCCESS checkout https://github.com/airbnb/lottie-spm.git at main
========================================
Build
========================================
Selected platform:         macosSpm
Swift version:             6.1
Building package at path:  $PWD
https://github.com/airbnb/lottie-spm.git
https://github.com/airbnb/lottie-spm.git
{
  "dependencies" : [
  ],
  "manifest_display_name" : "Lottie",
  "name" : "Lottie",
  "path" : "/Users/admin/builder/spi-builder-workspace",
  "platforms" : [
    {
      "name" : "ios",
      "version" : "13.0"
    },
    {
      "name" : "macos",
      "version" : "10.15"
    },
    {
      "name" : "tvos",
      "version" : "13.0"
    },
    {
      "name" : "visionOS",
      "version" : "1.0"
    }
  ],
  "products" : [
    {
      "name" : "Lottie",
      "targets" : [
        "Lottie",
        "_LottieStub"
      ],
      "type" : {
        "library" : [
          "automatic"
        ]
      }
    }
  ],
  "targets" : [
    {
      "c99name" : "_LottieStub",
      "module_type" : "SwiftTarget",
      "name" : "_LottieStub",
      "path" : "Sources/_LottieStub",
      "product_memberships" : [
        "Lottie"
      ],
      "sources" : [
        "Stub.swift"
      ],
      "type" : "library"
    },
    {
      "c99name" : "LottieTests",
      "module_type" : "SwiftTarget",
      "name" : "LottieTests",
      "path" : "Tests",
      "sources" : [
        "LottieTests.swift"
      ],
      "target_dependencies" : [
        "Lottie"
      ],
      "type" : "test"
    },
    {
      "c99name" : "Lottie",
      "module_type" : "BinaryTarget",
      "name" : "Lottie",
      "path" : "remote/archive/Lottie.xcframework.zip",
      "product_memberships" : [
        "Lottie"
      ],
      "sources" : [
      ],
      "type" : "binary"
    }
  ],
  "tools_version" : "5.6"
}
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 _LottieStub Stub.swift
[4/4] Emitting module _LottieStub
Build complete! (4.78s)
Downloading binary artifact https://github.com/airbnb/lottie-ios/releases/download/4.5.1/Lottie.xcframework.zip
[32750/56037210] Downloading https://github.com/airbnb/lottie-ios/releases/download/4.5.1/Lottie.xcframework.zip
Downloaded https://github.com/airbnb/lottie-ios/releases/download/4.5.1/Lottie.xcframework.zip (4.08s)
Build complete.
{
  "dependencies" : [
  ],
  "manifest_display_name" : "Lottie",
  "name" : "Lottie",
  "path" : "/Users/admin/builder/spi-builder-workspace",
  "platforms" : [
    {
      "name" : "ios",
      "version" : "13.0"
    },
    {
      "name" : "macos",
      "version" : "10.15"
    },
    {
      "name" : "tvos",
      "version" : "13.0"
    },
    {
      "name" : "visionOS",
      "version" : "1.0"
    }
  ],
  "products" : [
    {
      "name" : "Lottie",
      "targets" : [
        "Lottie",
        "_LottieStub"
      ],
      "type" : {
        "library" : [
          "automatic"
        ]
      }
    }
  ],
  "targets" : [
    {
      "c99name" : "_LottieStub",
      "module_type" : "SwiftTarget",
      "name" : "_LottieStub",
      "path" : "Sources/_LottieStub",
      "product_memberships" : [
        "Lottie"
      ],
      "sources" : [
        "Stub.swift"
      ],
      "type" : "library"
    },
    {
      "c99name" : "LottieTests",
      "module_type" : "SwiftTarget",
      "name" : "LottieTests",
      "path" : "Tests",
      "sources" : [
        "LottieTests.swift"
      ],
      "target_dependencies" : [
        "Lottie"
      ],
      "type" : "test"
    },
    {
      "c99name" : "Lottie",
      "module_type" : "BinaryTarget",
      "name" : "Lottie",
      "path" : "remote/archive/Lottie.xcframework.zip",
      "product_memberships" : [
        "Lottie"
      ],
      "sources" : [
      ],
      "type" : "binary"
    }
  ],
  "tools_version" : "5.6"
}
Done.