error[E0596]: cannot borrow immutable item `*x` as mutable
  --> $DIR/borrowck-object-mutability.rs:19:5
   |
LL |     x.borrowed_mut(); //~ ERROR cannot borrow
   |     ^ cannot borrow as mutable

error[E0596]: cannot borrow immutable item `*x` as mutable
  --> $DIR/borrowck-object-mutability.rs:29:5
   |
LL |     x.borrowed_mut(); //~ ERROR cannot borrow
   |     ^ cannot borrow as mutable
   |
   = note: the value which is causing this path not to be mutable is...: `x`

error: aborting due to 2 previous errors

For more information about this error, try `rustc --explain E0596`.