1error[E0308]: mismatched types
2  --> $DIR/mir-unpretty.rs:4:17
3   |
4LL |     let x: () = 0;
5   |            --   ^ expected `()`, found integer
6   |            |
7   |            expected due to this
8
9error: aborting due to previous error
10
11For more information about this error, try `rustc --explain E0308`.
12