clippy 0.0.208

A bunch of helpful lints to avoid common pitfalls in Rust
error: using `print!()` with a format string that ends in a newline, consider using `println!()` instead
 --> $DIR/print_with_newline.rs:7:5
  |
7 |     print!("Hello/n");
  |     ^^^^^^^^^^^^^^^^^^
  |
  = note: `-D print-with-newline` implied by `-D warnings`

error: aborting due to previous error