error[E0599]: no method named `as_str` found for reference `&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 reference `&'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 mutable reference `&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 reference `&&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`.