UWP build fails with IL2CPP scripting backend on 2018.3.0a1

Steps to reproduce:
1. Download and install UWP support from Unity download assistant
2. Open attached or create a new project
3. File > build settings
4. Build

Actual result:
1. Build fails, check the console for errors
2. IL2CPP scripting backend is by default selected in under player settings
3. Build generates from .NET scripting backend

Occurring with:
2018.3.0a1

Working with:
2018.2.0b8

Environment:
Only on Windows

Stack Trace:
Please find the attached text file for the stack trace