src/test/ui/parser/issue-62913.stderr

error: incorrect unicode escape sequence
  --> $DIR/issue-62913.rs:1:2
   |
LL | "\u\"
   |  ^^^ incorrect unicode escape sequence
   |
   = help: format of unicode escape sequences is `\u{...}`

error: invalid trailing slash in literal
  --> $DIR/issue-62913.rs:1:5
   |
LL | "\u\"
   |     ^

error: aborting due to 2 previous errors