Steps to reproduce: 1. Create a new empty cargo project 2. Open VS Code 3. Past this into `main.rs`: ```rust fn f() { match v { Aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa::Aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa { ref counkz } => match *n { LLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLL::Fffffffffn {}=> (), } A::A { β, } => todo!(), }; } ``` 4. Save main.rs 5. A toast notification for "Request textDocument/formatting failed." shows up 6. Run the VS Code command "Notifications: Toggle Do Not Disturb" 7. Save main.rs Expected behavior, no notification appears, however, they still do.