`gui::custom_widget::sound::Sound<'a>: nannou::ui::widget::Common` is not satisfied

[BlueJayLouche]

error[E0277]: the trait bound `gui::custom_widget::sound::Sound<'a>: nannou::ui::widget::Common` is not satisfied
  --> src/lib/gui/custom_widget/sound.rs:78:10
   |
78 | impl<'a> Widget for Sound<'a> {
   |          ^^^^^^ the trait `nannou::ui::widget::Common` is not implemented for `gui::custom_widget::sound::Sound<'a>`

error: aborting due to previous error

For more information about this error, try `rustc --explain E0277`.
error: could not compile `audio_server`.