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