1 error[E0596]: cannot borrow `*x` as mutable, as it is behind a `&` reference
2 --> $DIR/borrowck-object-mutability.rs:8:5
4 LL | fn borrowed_receiver(x: &dyn Foo) {
5 | -------- help: consider changing this to be a mutable reference: `&mut dyn Foo`
8 | ^^^^^^^^^^^^^^^^ `x` is a `&` reference, so the data it refers to cannot be borrowed as mutable
10 error[E0596]: cannot borrow `*x` as mutable, as `x` is not declared as mutable
11 --> $DIR/borrowck-object-mutability.rs:18:5
13 LL | fn owned_receiver(x: Box<dyn Foo>) {
14 | - help: consider changing this to be mutable: `mut x`
16 LL | x.borrowed_mut();
17 | ^^^^^^^^^^^^^^^^ cannot borrow as mutable
19 error: aborting due to 2 previous errors
21 For more information about this error, try `rustc --explain E0596`.