error[E0499]: cannot borrow `buffer` as mutable more than once at a time
--> tests/ui/subscription_report_borrows_buffer.rs:16:19
|
14 | .with_changes(&mut buffer));
| ----------- first mutable borrow occurs here
15 | let second = view.step(ReceiveSubscription { session: start.session, reply: &reply }
16 | .with_changes(&mut buffer));
| ^^^^^^^^^^^ second mutable borrow occurs here
17 | drop((first, second));
| ----- first borrow later used here