Béré Cyriac

Hi. @NoNameProvided The changes was introduced during the 0.12 update, removing all the decorator names from `ValidatorType` [as you can see here](src/validation/ValidationTypes.ts). Because of this change and this line: `...

Since rust-analyzer now let us disable semantic string tokens, could this be merged?

Nope, it did not fix it. Restarting RA didn't help either. Also, unsure if it's related, but it seems like it's a lifetime error that completely disable any other errors...

> Are we sending empty diagnostics again? How can I debug things how my side?

Output for `Rust Analyzer Server` and `Rust Analyzer Server Trace` are empty. As for the extension host, there is no error: 

I also think it'd be nice to be able group related errors better. The way related errors are displayed right now, each error seem completely independent, which make them actually...

FWIW this breaks many packages such as https://www.npmjs.com/package/clipanion sadly.