error[E0277]: the trait bound `Fancy: SomeTrait` is not satisfied --> $DIR/issue-84973.rs:6:24 | LL | let o = Other::new(f); | ---------- ^ the trait `SomeTrait` is not implemented for `Fancy` | | | required by a bound introduced by this call | note: required by a bound in `Other::<'a, G>::new` --> $DIR/issue-84973.rs:25:8 | LL | G: SomeTrait, | ^^^^^^^^^ required by this bound in `Other::<'a, G>::new` LL | { LL | pub fn new(g: G) -> Self { | --- required by a bound in this associated function help: consider borrowing here | LL | let o = Other::new(&f); | + error: aborting due to 1 previous error For more information about this error, try `rustc --explain E0277`.