Endless dependency resolution with Xcode 15.3b3

[doroshenko]

Describe the bug

Starscream is included as our project dependency via Swift Package Manager. After updating to Xcode 15.3 beta, attempting to resolve project dependencies gets stuck on Starscream package.
When interrupted, an error message is shown about invalid custom sources path.

Steps to Reproduce

1. Create project
2. Include Starscream framework via SPM
3. Attempt to resolve package with Xcode 15.3 beta
4. Observe the error

Expected behavior

The packages are resolved correctly

Environment:

• OS/Version: -
• Starscream Version 4.0.4
• Xcode version 15.3b3

Additional context

I assume, the problem occurs because the package defines Sources folder as a custom target path here, which now conflicts with Sources folder being used as a default path value.
It worked correctly until now.