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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

Failed to build AsyncButton, reference main (8b21b3), with Swift 6.0 for macOS (SPM) on 4 Nov 2024 13:36:48 UTC.

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/edonv/AsyncButton.git
Reference: main
Initialized empty Git repository in /Users/admin/builder/spi-builder-workspace/.git/
From https://github.com/edonv/AsyncButton
 * branch            main       -> FETCH_HEAD
 * [new branch]      main       -> origin/main
HEAD is now at 8b21b38 Update README.md
Cloned https://github.com/edonv/AsyncButton.git
Revision (git rev-parse @):
8b21b38b6f3c372f5f5886e989a5b5bb0fba9473
SPI manifest file found: $PWD/.spi.yml
SUCCESS checkout https://github.com/edonv/AsyncButton.git at main
Fetching https://github.com/shaps80/SwiftUIBackports.git
Fetching https://github.com/shaps80/SwiftBackports
[1/500] Fetching swiftbackports
[406/22634] Fetching swiftbackports, swiftuibackports
Fetched https://github.com/shaps80/SwiftUIBackports.git from cache (2.20s)
Fetched https://github.com/shaps80/SwiftBackports from cache (2.20s)
Computing version for https://github.com/shaps80/SwiftUIBackports.git
Computed https://github.com/shaps80/SwiftUIBackports.git at 2.8.0 (0.64s)
Computing version for https://github.com/shaps80/SwiftBackports
Computed https://github.com/shaps80/SwiftBackports at 1.0.3 (0.64s)
Creating working copy for https://github.com/shaps80/SwiftBackports
Working copy of https://github.com/shaps80/SwiftBackports resolved at 1.0.3
Creating working copy for https://github.com/shaps80/SwiftUIBackports.git
Working copy of https://github.com/shaps80/SwiftUIBackports.git resolved at 2.8.0
========================================
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": "asyncbutton",
      "name": "AsyncButton",
      "url": "https://github.com/edonv/AsyncButton.git",
      "version": "unspecified",
      "path": "/Users/admin/builder/spi-builder-workspace/.resolve-product-dependencies/.build/checkouts/AsyncButton",
      "dependencies": [
        {
          "identity": "swiftuibackports",
          "name": "SwiftUIBackports",
          "url": "https://github.com/shaps80/SwiftUIBackports.git",
          "version": "2.8.1",
          "path": "/Users/admin/builder/spi-builder-workspace/.resolve-product-dependencies/.build/checkouts/SwiftUIBackports",
          "dependencies": [
            {
              "identity": "swiftbackports",
              "name": "SwiftBackports",
              "url": "https://github.com/shaps80/SwiftBackports",
              "version": "1.0.3",
              "path": "/Users/admin/builder/spi-builder-workspace/.resolve-product-dependencies/.build/checkouts/SwiftBackports",
              "dependencies": [
              ]
            }
          ]
        }
      ]
    }
  ]
}
Fetching https://github.com/edonv/AsyncButton.git
[1/175] Fetching asyncbutton
Fetched https://github.com/edonv/AsyncButton.git from cache (0.67s)
Fetching https://github.com/shaps80/SwiftUIBackports.git from cache
Fetched https://github.com/shaps80/SwiftUIBackports.git from cache (0.49s)
Computing version for https://github.com/shaps80/SwiftUIBackports.git
Computed https://github.com/shaps80/SwiftUIBackports.git at 2.8.1 (0.62s)
Fetching https://github.com/shaps80/SwiftBackports from cache
Fetched https://github.com/shaps80/SwiftBackports from cache (0.47s)
Computing version for https://github.com/shaps80/SwiftBackports
Computed https://github.com/shaps80/SwiftBackports at 1.0.3 (0.03s)
Creating working copy for https://github.com/edonv/AsyncButton.git
Working copy of https://github.com/edonv/AsyncButton.git resolved at main (8b21b38)
Creating working copy for https://github.com/shaps80/SwiftUIBackports.git
Working copy of https://github.com/shaps80/SwiftUIBackports.git resolved at 2.8.1
Creating working copy for https://github.com/shaps80/SwiftBackports
Working copy of https://github.com/shaps80/SwiftBackports resolved at 1.0.3
warning: '.resolve-product-dependencies': dependency 'asyncbutton' is not used by any target
Found 1 product dependencies
  - SwiftUIBackports
========================================
Build
========================================
Selected platform:         macosSpm
Swift version:             6.0
Building package at path:  $PWD
https://github.com/edonv/AsyncButton.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
error: the library 'AsyncButton' requires macos 10.13, but depends on the product 'SwiftUIBackports' which requires macos 10.15; consider changing the library 'AsyncButton' to require macos 10.15 or later, or the product 'SwiftUIBackports' to require macos 10.13 or earlier.
BUILD FAILURE 6.0 macosSpm