error[E0599]: no method named `as_str` found for type `&str` in the current scope
  --> $DIR/remove-as_str.rs:2:7
   |
LL |     s.as_str();
   |      -^^^^^^-- help: remove this method call

error[E0599]: no method named `as_str` found for type `&'a str` in the current scope
  --> $DIR/remove-as_str.rs:7:7
   |
LL |     s.as_str();
   |      -^^^^^^-- help: remove this method call

error[E0599]: no method named `as_str` found for type `&mut str` in the current scope
  --> $DIR/remove-as_str.rs:12:7
   |
LL |     s.as_str();
   |      -^^^^^^-- help: remove this method call

error[E0599]: no method named `as_str` found for type `&&str` in the current scope
  --> $DIR/remove-as_str.rs:17:7
   |
LL |     s.as_str();
   |      -^^^^^^-- help: remove this method call

error: aborting due to 4 previous errors

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