message: Pacify clippy
diff: @@ -30,10 +30,7 @@ fn main() {
  let _x: &i32 = unsafe { mem::transmute(16usize) }; //~ encountered a dangling reference (address $HEX is unallocated)
  }
  ";
  - match Comments::parse(Path::new("<dummy>"), s) {
  - Ok(_) => panic!("expected parsing to fail"),
  - Err(_) => {}
  - }
  + assert!(Comments::parse(Path::new("<dummy>"), s).is_err(), "expected parsing to fail");
  }
  #[test]
  @@ -55,10 +52,7 @@ fn parse_slash_slash_at_fail() {
  use std::mem;
  ";
  - match Comments::parse(Path::new("<dummy>"), s) {
  - Ok(_) => panic!("expected parsing to fail"),
  - Err(_) => {}
  - }
  + assert!(Comments::parse(Path::new("<dummy>"), s).is_err(), "expected parsing to fail");
  }
  #[test]
  @@ -68,8 +62,5 @@ fn missing_colon_fail() {
  use std::mem;
  ";
  - match Comments::parse(Path::new("<dummy>"), s) {
  - Ok(_) => panic!("expected parsing to fail"),
  - Err(_) => {}
  - }
  + assert!(Comments::parse(Path::new("<dummy>"), s).is_err(), "expected parsing to fail");
  }
  