error[E0277]: the trait bound `std::boxed::Box<(dyn drawing::drawables::Drawable + 'static)>: drawing::drawables::Drawable` is not satisfied
   --> src/lib/drawing/schema_drawer.rs:250:13
    |
250 |             &mut self.drawables[i]
    |             ^^^^^^^^^^^^^^^^^^^^^^ the trait `drawing::drawables::Drawable` is not implemented for `std::boxed::Box<(dyn drawing::drawables::Drawable + 'static)>`
    |
    = note: required for the cast to the object type `dyn drawing::drawables::Drawable`