1error[E0277]: the trait bound `SubCmd: clap::Args` is not satisfied 2 --> tests/derive_ui/flatten_enum_in_struct.rs:3:15 3 | 43 | #[command(flatten)] 5 | ^^^^^^^ the trait `clap::Args` is not implemented for `SubCmd` 6 | 7 = help: the following other types implement trait `clap::Args`: 8 Box<T> 9 Opt 10