error: const parameter `x` should have an upper case name
  --> $DIR/const-parameter-uppercase-lint.rs:9:15
   |
LL | fn noop<const x: u32>() {
   |               ^ help: convert the identifier to upper case (notice the capitalization): `X`
   |
note: the lint level is defined here
  --> $DIR/const-parameter-uppercase-lint.rs:7:9
   |
LL | #![deny(non_upper_case_globals)]
   |         ^^^^^^^^^^^^^^^^^^^^^^

error: aborting due to previous error