error[E0792]: expected generic lifetime parameter, found `'static`
  --> $DIR/bounds-are-checked.rs:9:5
   |
LL | type X<'a> = impl Into<&'static str> + From<&'a str>;
   |        -- cannot use static lifetime; use a bound lifetime instead or remove the lifetime parameter from the opaque type
...
LL |     t
   |     ^

error: aborting due to previous error

For more information about this error, try `rustc --explain E0792`.