rust/tests/ui/unknown_clippy_lints.stderr

error: unknown clippy lint: clippy::if_not_els
  --> $DIR/unknown_clippy_lints.rs:4:8
   |
LL | #[warn(clippy::if_not_els)]
   |        ^^^^^^^^^^^^^^^^^^
   |
   = note: `-D clippy::unknown-clippy-lints` implied by `-D warnings`

error: unknown clippy lint: clippy::All
  --> $DIR/unknown_clippy_lints.rs:1:10
   |
LL | #![allow(clippy::All)]
   |          ^^^^^^^^^^^ help: lowercase the lint name: `all`

error: aborting due to 2 previous errors