error: generic parameters may not be used in const operations --> $DIR/wf-misc.rs:8:17 | LL | let _: [u8; N + 1]; | ^ cannot perform const operation using `N` | = help: const parameters may only be used as standalone arguments, i.e. `N` = help: use `#![feature(const_generics)]` and `#![feature(const_evaluatable_checked)]` to allow generic const expressions error: generic parameters may not be used in const operations --> $DIR/wf-misc.rs:16:21 | LL | let _: Const::<{N + 1}>; | ^ cannot perform const operation using `N` | = help: const parameters may only be used as standalone arguments, i.e. `N` = help: use `#![feature(const_generics)]` and `#![feature(const_evaluatable_checked)]` to allow generic const expressions error: aborting due to 2 previous errors