error: use of `Debug`-based formatting --> $DIR/print.rs:12:27 | 12 | write!(f, "{:?}", 43.1415) | ^^^^^^^ | = note: `-D use-debug` implied by `-D warnings` error: use of `println!` --> $DIR/print.rs:24:5 | 24 | println!("Hello"); | ^^^^^^^^^^^^^^^^^^ | = note: `-D print-stdout` implied by `-D warnings` error: use of `print!` --> $DIR/print.rs:25:5 | 25 | print!("Hello"); | ^^^^^^^^^^^^^^^^ error: use of `print!` --> $DIR/print.rs:27:5 | 27 | print!("Hello {}", "World"); | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^ error: use of `print!` --> $DIR/print.rs:29:5 | 29 | print!("Hello {:?}", "World"); | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ error: use of `Debug`-based formatting --> $DIR/print.rs:29:26 | 29 | print!("Hello {:?}", "World"); | ^^^^^^^ error: use of `print!` --> $DIR/print.rs:31:5 | 31 | print!("Hello {:#?}", "#orld"); | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ error: use of `Debug`-based formatting --> $DIR/print.rs:31:27 | 31 | print!("Hello {:#?}", "#orld"); | ^^^^^^^