It looks like CLion 2021.1 has source-based code coverage working with the Rust plugin because I can see the green/red line annotations in the code view:
But if I go to the Coverage panel, I see the following:
Clicking the Edit button does not guide me in how to fix configuration settings.
Summary
I'd like to be able to view Rust code coverage statistics with CLion 2021.1, anyone know how to do this?