error: crate `NonSnakeCase` should have a snake case name
   |
   = help: convert the identifier to snake case: `non_snake_case`
note: the lint level is defined here
  --> $DIR/lint-non-snake-case-crate-2.rs:4:9
   |
LL | #![deny(non_snake_case)]
   |         ^^^^^^^^^^^^^^

error: aborting due to previous error