rust-clippy/tests/ui/unicode.stderr

error: zero-width space detected
  --> $DIR/unicode.rs:3:12
   |
LL |     print!("Here >​< is a ZWS, and ​another");
   |            ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
   |
   = note: `-D clippy::zero-width-space` implied by `-D warnings`

error: non-nfc unicode sequence detected
  --> $DIR/unicode.rs:9:12
   |
LL |     print!("̀àh?");
   |            ^^^^^
   |
   = note: `-D clippy::unicode-not-nfc` implied by `-D warnings`

error: literal non-ASCII character detected
  --> $DIR/unicode.rs:15:12
   |
LL |     print!("Üben!");
   |            ^^^^^^^
   |
   = note: `-D clippy::non-ascii-literal` implied by `-D warnings`

error: aborting due to 3 previous errors