error[E0390]: only a single inherent implementation marked with `#[lang = "str"]` is allowed for the `str` primitive
  --> $DIR/single-primitive-inherent-impl.rs:21:1
   |
LL | / impl str {
LL | | //~^ error: only a single inherent implementation marked with `#[lang = "str"]` is allowed for the `str` primitive
LL | | }
   | |_^
   |
help: consider using a trait to implement these methods
  --> $DIR/single-primitive-inherent-impl.rs:21:1
   |
LL | / impl str {
LL | | //~^ error: only a single inherent implementation marked with `#[lang = "str"]` is allowed for the `str` primitive
LL | | }
   | |_^

error: aborting due to previous error

For more information about this error, try `rustc --explain E0390`.