error[E0404]: expected trait, found enum `ParseError` --> $DIR/issue-112472-multi-generics-suggestion.rs:17:54 | LL | >::Error: ParseError, | ^^^^^^^^^^ not a trait | help: constrain the associated type to `ParseError` | LL | DecodeLine: convert::TryFrom, | ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ error[E0404]: expected trait, found enum `ParseError` --> $DIR/issue-112472-multi-generics-suggestion.rs:25:45 | LL | >::Error: ParseError, | ^^^^^^^^^^ not a trait | help: constrain the associated type to `ParseError` | LL | DecodeLine: TryFrom, | ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ error: aborting due to 2 previous errors For more information about this error, try `rustc --explain E0404`.