error[E0040]: explicit use of destructor method
  --> $DIR/explicit-call-to-supertrait-dtor.rs:17:14
   |
LL |         self.drop();    //~ ERROR explicit use of destructor method
   |              ^^^^ explicit destructor calls not allowed

error: aborting due to previous error

For more information about this error, try `rustc --explain E0040`.