src/test/ui/underscore-imports/hygiene.stderr

   1 error[E0599]: no method named `deref` found for reference `&()` in the current scope
   2   --> $DIR/hygiene.rs:38:11
   3    |
   4 LL |     (&()).deref();
   5    |           ^^^^^ method not found in `&()`
   6    |
   7    = help: items from traits can only be used if the trait is in scope
   8 help: the following trait is implemented but not in scope; perhaps add a `use` for it:
   9    |
  10 LL | use std::ops::Deref;
  11    |
  12
  13 error[E0599]: no method named `deref_mut` found for mutable reference `&mut ()` in the current scope
  14   --> $DIR/hygiene.rs:39:15
  15    |
  16 LL |     (&mut ()).deref_mut();
  17    |               ^^^^^^^^^ method not found in `&mut ()`
  18    |
  19    = help: items from traits can only be used if the trait is in scope
  20 help: the following trait is implemented but not in scope; perhaps add a `use` for it:
  21    |
  22 LL | use std::ops::DerefMut;
  23    |
  24
  25 error: aborting due to 2 previous errors
  26
  27 For more information about this error, try `rustc --explain E0599`.