error[E0503]: cannot use `p` because it was mutably borrowed
  --> $DIR/borrowck-loan-rcvr-overloaded-op.rs:38:5
   |
LL |     let q = &mut p;
   |             ------ `p` is borrowed here
LL |
LL |     p + 3;
   |     ^ use of borrowed `p`
...
LL |     *q + 3; // OK to use the new alias `q`
   |     -- borrow later used here

error[E0502]: cannot borrow `p` as immutable because it is also borrowed as mutable
  --> $DIR/borrowck-loan-rcvr-overloaded-op.rs:39:5
   |
LL |     let q = &mut p;
   |             ------ mutable borrow occurs here
...
LL |     p.times(3);
   |     ^ immutable borrow occurs here
LL |
LL |     *q + 3; // OK to use the new alias `q`
   |     -- mutable borrow later used here

error: aborting due to 2 previous errors

Some errors have detailed explanations: E0502, E0503.
For more information about an error, try `rustc --explain E0502`.