clippy 0.0.208

A bunch of helpful lints to avoid common pitfalls in Rust
error: use of `Debug`-based formatting
  --> $DIR/print.rs:13:27
   |
13 |         write!(f, "{:?}", 43.1415)
   |                           ^^^^^^^
   |
   = note: `-D use-debug` implied by `-D warnings`

error: use of `println!`
  --> $DIR/print.rs:25:5
   |
25 |     println!("Hello");
   |     ^^^^^^^^^^^^^^^^^^
   |
   = note: `-D print-stdout` implied by `-D warnings`

error: use of `print!`
  --> $DIR/print.rs:26:5
   |
26 |     print!("Hello");
   |     ^^^^^^^^^^^^^^^^

error: use of `print!`
  --> $DIR/print.rs:28:5
   |
28 |     print!("Hello {}", "World");
   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^

error: use of `print!`
  --> $DIR/print.rs:30:5
   |
30 |     print!("Hello {:?}", "World");
   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^

error: use of `Debug`-based formatting
  --> $DIR/print.rs:30:26
   |
30 |     print!("Hello {:?}", "World");
   |                          ^^^^^^^

error: use of `print!`
  --> $DIR/print.rs:32:5
   |
32 |     print!("Hello {:#?}", "#orld");
   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^

error: use of `Debug`-based formatting
  --> $DIR/print.rs:32:27
   |
32 |     print!("Hello {:#?}", "#orld");
   |                           ^^^^^^^

error: aborting due to 8 previous errors