1 error[E0308]: mismatched types
2 --> $DIR/issue-1448-2.rs:16:24
4 LL | println!("{}", foo(10i32)); //~ ERROR mismatched types
5 | ^^^^^ expected u32, found i32
7 error: aborting due to previous error
9 For more information about this error, try `rustc --explain E0308`.