| error[E0499]: cannot borrow `s.0` as mutable more than once at a time | |
| --> $DIR/fields-numeric-borrowck.rs:6:16 | |
| | | |
| LL | let borrow1 = &mut s.0; | |
| | -------- first mutable borrow occurs here | |
| LL | let S { 0: ref mut borrow2 } = s; | |
| | ^^^^^^^^^^^^^^^ second mutable borrow occurs here | |
| ... | |
| LL | borrow1.use_mut(); | |
| | ------- first borrow later used here | |
| error: aborting due to previous error | |
| For more information about this error, try `rustc --explain E0499`. |