error[E0599]: no method named `finish` found for struct `DefaultHasher` in the current scope
  --> $DIR/import-trait-for-method-call.rs:6:7
   |
LL |     h.finish()
   |       ^^^^^^ method not found in `DefaultHasher`
  --> $SRC_DIR/core/src/hash/mod.rs:LL:COL
   |
   = note: the method is available for `DefaultHasher` here
   |
   = help: items from traits can only be used if the trait is in scope
help: the following trait is implemented but not in scope; perhaps add a `use` for it:
   |
LL | use std::hash::Hasher;
   |

error[E0599]: the method `as_ref` exists for reference `&dyn Bar`, but its trait bounds were not satisfied
  --> $DIR/import-trait-for-method-call.rs:15:7
   |
LL | trait Bar {}
   | --------- doesn't satisfy `dyn Bar: AsRef<_>`
...
LL |     x.as_ref();
   |       ^^^^^^ method cannot be called on `&dyn Bar` due to unsatisfied trait bounds
   |
   = note: the following trait bounds were not satisfied:
           `dyn Bar: AsRef<_>`
           which is required by `&dyn Bar: AsRef<_>`
   = help: items from traits can only be used if the trait is implemented and in scope
   = note: the following trait defines an item `as_ref`, perhaps you need to implement it:
           candidate #1: `AsRef`

error: aborting due to 2 previous errors

For more information about this error, try `rustc --explain E0599`.