error: function `BOGUS` should have a snake case name such as `bogus`
  --> $DIR/enable-unstable-lib-feature.rs:22:1
   |
LL | pub fn BOGUS() { } //~ ERROR
   | ^^^^^^^^^^^^^^^^^^
   |
note: lint level defined here
  --> $DIR/enable-unstable-lib-feature.rs:16:9
   |
LL | #![deny(non_snake_case)] // To trigger a hard error
   |         ^^^^^^^^^^^^^^

error: aborting due to previous error