error[E0405]: cannot find trait `IDoesNotExist` in this scope
 --> span-comclass-unknown-interface.rs:5:13
  |
5 | #[com_class(IDoesNotExist)]
  |             ^^^^^^^^^^^^^- help: you might be missing a type parameter: `<IDoesNotExist>`
  |             |
  |             not found in this scope

error[E0405]: cannot find trait `IDoesNotExist` in this scope
 --> span-comclass-unknown-interface.rs:5:13
  |
5 | #[com_class(IDoesNotExist)]
  |             ^^^^^^^^^^^^^ not found in this scope

error[E0405]: cannot find trait `IDoesNotExist` in this scope
 --> span-comclass-unknown-interface.rs:5:13
  |
5 | #[com_class(IDoesNotExist)]
  |             ^^^^^^^^^^^^^  - help: you might be missing a type parameter: `<IDoesNotExist>`
  |             |
  |             not found in this scope

error: aborting due to 3 previous errors

For more information about this error, try `rustc --explain E0405`.