error: unknown character escape: `{`
  --> $DIR/wrong-escape-of-curly-braces.rs:3:17
   |
LL |     let bad = "\{it is wrong\}";
   |                 ^ unknown character escape
   |
   = help: if used in a formatting string, curly braces are escaped with `{{` and `}}`

error: unknown character escape: `}`
  --> $DIR/wrong-escape-of-curly-braces.rs:3:30
   |
LL |     let bad = "\{it is wrong\}";
   |                              ^ unknown character escape
   |
   = help: if used in a formatting string, curly braces are escaped with `{{` and `}}`

error: aborting due to 2 previous errors