1error[E0596]: cannot borrow `callback` as mutable, as it is not declared as mutable
2  --> $DIR/issue-80313-mutable-borrow-in-move-closure.rs:6:5
3   |
4LL |     let callback = move || {
5   |         -------- help: consider changing this to be mutable: `mut callback`
6LL |         &mut my_var;
7   |              ------ calling `callback` requires mutable binding due to possible mutation of `my_var`
8LL |     };
9LL |     callback();
10   |     ^^^^^^^^ cannot borrow as mutable
11
12error: aborting due to previous error
13
14For more information about this error, try `rustc --explain E0596`.
15