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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 Flywheel, reference v1.1.4-RC (4db61a), with Swift 6.0 for macOS (SPM) on 29 Nov 2024 03:09:33 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 -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/abhimuktheeswarar/Flywheel.git
Reference: v1.1.4-RC
Initialized empty Git repository in /Users/admin/builder/spi-builder-workspace/.git/
From https://github.com/abhimuktheeswarar/Flywheel
 * tag               v1.1.4-RC  -> FETCH_HEAD
HEAD is now at 4db61ab Fix: Duplicate actions emission
Cloned https://github.com/abhimuktheeswarar/Flywheel.git
Revision (git rev-parse @):
4db61abe028f9e8f94dea6faffc46fc6f33039e5
SUCCESS checkout https://github.com/abhimuktheeswarar/Flywheel.git at v1.1.4-RC
========================================
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": "flywheel",
      "name": "Flywheel",
      "url": "https://github.com/abhimuktheeswarar/Flywheel.git",
      "version": "unspecified",
      "path": "/Users/admin/builder/spi-builder-workspace/.resolve-product-dependencies/.build/checkouts/Flywheel",
      "dependencies": [
      ]
    }
  ]
}
Fetching https://github.com/abhimuktheeswarar/Flywheel.git
[1/1837] Fetching flywheel
Fetched https://github.com/abhimuktheeswarar/Flywheel.git from cache (2.66s)
Creating working copy for https://github.com/abhimuktheeswarar/Flywheel.git
Working copy of https://github.com/abhimuktheeswarar/Flywheel.git resolved at v1.1.4-RC (4db61ab)
warning: '.resolve-product-dependencies': dependency 'flywheel' 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/abhimuktheeswarar/Flywheel.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
error: The package does not contain a buildable target.
Add at least one `.target` or `.executableTarget` to your `Package.swift`.
BUILD FAILURE 6.0 macosSpm