error: Unnecessary boolean `not` operation --> if_not_else.rs:9:5 | 9 | / if !bla() { 10 | | println!("Bugs"); 11 | | } else { 12 | | println!("Bunny"); 13 | | } | |_____^ | = note: `-D if-not-else` implied by `-D warnings` = help: remove the `!` and swap the blocks of the if/else error: Unnecessary `!=` operation --> if_not_else.rs:14:5 | 14 | / if 4 != 5 { 15 | | println!("Bugs"); 16 | | } else { 17 | | println!("Bunny"); 18 | | } | |_____^ | = note: `-D if-not-else` implied by `-D warnings` = help: change to `==` and swap the blocks of the if/else error: aborting due to previous error(s) To learn more, run the command again with --verbose.