| error[E0658]: functions delegation is not yet fully implemented | 
 |   --> $DIR/feature-gate-fn_delegation.rs:5:1 | 
 |    | | 
 | LL | reuse to_reuse::foo; | 
 |    | ^^^^^^^^^^^^^^^^^^^^ | 
 |    | | 
 |    = note: see issue #118212 <https://github.com/rust-lang/rust/issues/118212> for more information | 
 |    = help: add `#![feature(fn_delegation)]` to the crate attributes to enable | 
 |    = note: this compiler was built on YYYY-MM-DD; consider upgrading it if it is out of date | 
 |  | 
 | error: aborting due to 1 previous error | 
 |  | 
 | For more information about this error, try `rustc --explain E0658`. |