error: function cannot return without recursing
  --> $DIR/lint-unconditional-drop-recursion.rs:11:5
   |
LL |     fn drop(&mut self) {
   |     ^^^^^^^^^^^^^^^^^^ cannot return without recursing
LL |         let _ = RecursiveDrop;
   |                              - recursive call site
   |
   = help: a `loop` may express intention better if this is on purpose
note: the lint level is defined here
  --> $DIR/lint-unconditional-drop-recursion.rs:5:9
   |
LL | #![deny(unconditional_recursion)]
   |         ^^^^^^^^^^^^^^^^^^^^^^^

error: aborting due to 1 previous error