error[E0596]: cannot borrow immutable local variable `x` as mutable | |
--> $DIR/E0596.rs:16:18 | |
| | |
LL | let x = 1; | |
| - help: make this binding mutable: `mut x` | |
LL | let y = &mut x; //[ast]~ ERROR [E0596] | |
| ^ cannot borrow mutably | |
error: aborting due to previous error | |
For more information about this error, try `rustc --explain E0596`. |