error: expected identifier, found keyword `true`
  --> $DIR/bad-value-ident-true.rs:1:4
   |
LL | fn true() { }
   |    ^^^^ expected identifier, found keyword
   |
help: escape `true` to use it as an identifier
   |
LL | fn r#true() { }
   |    ++

error: aborting due to 1 previous error