Fix clippy warnings

src/database/models.rs

@@ -135,7 +135,6 @@ impl<'a> Object<'a> for User {
 }
 
 pub struct NewUserIncident {
-    pub incident: UserIncident,
     pub counting_incidents: usize,
     pub is_first_incident: bool,
 }
@@ -246,9 +245,8 @@ impl User {
         incident.insert(session).await?;
 
         Ok(NewUserIncident {
-            incident,
             counting_incidents,
-            is_first_incident: incidents.len() == 0,
+            is_first_incident: incidents.is_empty(),
         })
     }
 }