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`.