1 error: trait methods cannot be stable const fn
2 --> $DIR/staged-api.rs:22:5
9 error: `<staged_api::Unstable as staged_api::MyTrait>::func` is not yet stable as a const fn
10 --> $DIR/staged-api.rs:34:5
12 LL | Unstable::func();
15 = help: add `#![feature(staged)]` to the crate attributes to enable
17 error: aborting due to 2 previous errors