error[E0658]: associated const equality is incomplete --> $DIR/feature-gate-associated_const_equality.rs:10:28 | LL | fn foo>() {} | ^^^^ | = note: see issue #92827 for more information = help: add `#![feature(associated_const_equality)]` to the crate attributes to enable = note: this compiler was built on YYYY-MM-DD; consider upgrading it if it is out of date error: aborting due to 1 previous error For more information about this error, try `rustc --explain E0658`.