1 error: format argument must be a string literal
2 --> $DIR/issue-30143.rs:4:14
7 help: you might be missing a string literal to format with
9 LL | println!("{}", 0);
12 error: format argument must be a string literal
13 --> $DIR/issue-30143.rs:6:15
18 help: you might be missing a string literal to format with
20 LL | eprintln!("{}", 'a');
23 error: format argument must be a string literal
24 --> $DIR/issue-30143.rs:9:17
26 LL | writeln!(s, true).unwrap();
29 help: you might be missing a string literal to format with
31 LL | writeln!(s, "{}", true).unwrap();
34 error: aborting due to 3 previous errors