warning: variant `ToplevelInfo` is never constructed
  --> src/clients/wayland/mod.rs:94:5
   |
86 | pub enum Response {
   |          -------- variant in this enum
...
94 |     ToplevelInfo(Option<ToplevelInfo>),
   |     ^^^^^^^^^^^^
   |
   = note: `Response` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
   = note: `#[warn(dead_code)]` on by default