error[E0061]: this function takes 1 argument but 0 arguments were supplied
  --> $DIR/mismatch-args-crash-issue-130400.rs:4:9
   |
LL |         Self::foo()
   |         ^^^^^^^^^-- argument #1 is missing
   |
note: method defined here
  --> $DIR/mismatch-args-crash-issue-130400.rs:2:8
   |
LL |     fn foo(&mut self) -> _ {
   |        ^^^ ---------
help: provide the argument
   |
LL |         Self::foo(/* value */)
   |                   +++++++++++

error[E0121]: the placeholder `_` is not allowed within types on item signatures for return types
  --> $DIR/mismatch-args-crash-issue-130400.rs:2:26
   |
LL |     fn foo(&mut self) -> _ {
   |                          ^ not allowed in type signatures

error: aborting due to 2 previous errors

Some errors have detailed explanations: E0061, E0121.
For more information about an error, try `rustc --explain E0061`.
