make fmt happy

src/state.rs

@@ -36,6 +36,7 @@ pub fn read_state(
 }
 
 /// Writes last treated tweet id and toot id to the db
+#[allow(dead_code)]
 pub fn write_state(conn: &Connection, t: TweetToToot) -> Result<(), Box<dyn Error>> {
     debug!("Write struct {:?}", t);
     conn.execute(