error: useless lint attribute
 --> $DIR/useless_attribute.rs:5:1
  |
5 | #[allow(dead_code)]
  | ^^^^^^^^^^^^^^^^^^^ help: if you just forgot a `!`, use: `#![allow(dead_code)]`
  |
  = note: `-D clippy::useless-attribute` implied by `-D warnings`

error: useless lint attribute
 --> $DIR/useless_attribute.rs:6:1
  |
6 | #[cfg_attr(feature = "cargo-clippy", allow(dead_code))]
  | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: if you just forgot a `!`, use: `#![cfg_attr(feature = "cargo-clippy", allow(dead_code))`

error: aborting due to 2 previous errors