error: the feature `non_ascii_idents` has been stable since 1.53.0 and no longer requires an attribute to enable
--> test_suite/tests/test_gen.rs:6:43
|
6 | #![cfg_attr(feature = "unstable", feature(non_ascii_idents))]
| ^^^^^^^^^^^^^^^^
|
note: the lint level is defined here
--> test_suite/tests/test_gen.rs:5:9
|
5 | #![deny(warnings)]
| ^^^^^^^^
= note: `#[deny(stable_features)]` implied by `#[deny(warnings)]`