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