1 error[E0623]: lifetime mismatch
2 --> $DIR/ret-impl-trait-one.rs:12:65
4 LL | async fn async_ret_impl_trait1<'a, 'b>(a: &'a u8, b: &'b u8) -> impl Trait<'a> {
5 | ------ ^^^^^^^^^^^^^^
7 | | ...but data from `b` is returned here
8 | this parameter and the return type are declared with different lifetimes...
10 error: aborting due to previous error
12 For more information about this error, try `rustc --explain E0623`.