1 error[E0596]: cannot borrow `*x` as mutable, as it is behind a `&` reference
2 --> $DIR/borrowck-call-method-from-mut-aliasable.rs:17:5
5 | ---- help: consider changing this to be a mutable reference: `&mut Foo`
8 | ^^^^^ `x` is a `&` reference, so the data it refers to cannot be borrowed as mutable
10 error: aborting due to previous error
12 For more information about this error, try `rustc --explain E0596`.