error: you have declared `#[inline(always)]` on `test_attr_lint`. This is usually a bad idea
  --> $DIR/attrs.rs:3:1
   |
LL | #[inline(always)]
   | ^^^^^^^^^^^^^^^^^
   |
   = note: `-D clippy::inline-always` implied by `-D warnings`

error: the since field must contain a semver-compliant version
  --> $DIR/attrs.rs:23:14
   |
LL | #[deprecated(since = "forever")]
   |              ^^^^^^^^^^^^^^^^^
   |
   = note: `-D clippy::deprecated-semver` implied by `-D warnings`

error: the since field must contain a semver-compliant version
  --> $DIR/attrs.rs:26:14
   |
LL | #[deprecated(since = "1")]
   |              ^^^^^^^^^^^

error: aborting due to 3 previous errors