clippy 0.0.208

A bunch of helpful lints to avoid common pitfalls in Rust
error: use of `#[inline]` on trait method `default_inline` which has no body
 --> $DIR/inline_fn_without_body.rs:8:5
  |
8 |       #[inline]
  |  _____-^^^^^^^^
9 | |     fn default_inline();
  | |____- help: remove
  |
  = note: `-D inline-fn-without-body` implied by `-D warnings`

error: use of `#[inline]` on trait method `always_inline` which has no body
  --> $DIR/inline_fn_without_body.rs:11:5
   |
11 |     #[inline(always)]fn always_inline();
   |     ^^^^^^^^^^^^^^^^^ help: remove

error: use of `#[inline]` on trait method `never_inline` which has no body
  --> $DIR/inline_fn_without_body.rs:13:5
   |
13 |       #[inline(never)]
   |  _____-^^^^^^^^^^^^^^^
14 | |     fn never_inline();
   | |____- help: remove

error: aborting due to 3 previous errors