error: missing `struct` for struct definition --> $DIR/track4.rs:LL:CC | LL | pub onion { | ^ -Ztrack-diagnostics: created at compiler/rustc_parse/src/parser/item.rs:LL:CC | help: add `struct` here to parse `onion` as a public struct | LL | pub struct onion { | ++++++ error: aborting due to 1 previous error