error[E0608]: cannot index into a value of type `({integer},)`
  --> $DIR/suggestion-non-ascii.rs:3:24
   |
LL |     println!("☃{}", tup[0]);
   |                        ^^^ help: to access tuple elements, use: `.0`

error: aborting due to previous error

For more information about this error, try `rustc --explain E0608`.