error[E0499]: cannot borrow `xs` as mutable more than once at a time | |
--> $DIR/vec-mut-iter-borrow.rs:5:9 | |
| | |
LL | for x in &mut xs { | |
| ------- | |
| | | |
| first mutable borrow occurs here | |
| first borrow later used here | |
LL | xs.push(1) | |
| ^^ second mutable borrow occurs here | |
error: aborting due to 1 previous error | |
For more information about this error, try `rustc --explain E0499`. |