Updated Error to implement Display and Debug, instead of using custom methods

src/main.rs

@@ -9,6 +9,7 @@
 #[macro_use] extern crate diesel;
 #[macro_use] extern crate diesel_migrations;
 #[macro_use] extern crate lazy_static;
+#[macro_use] extern crate derive_more;
 #[macro_use] extern crate num_derive;
 
 use std::{path::Path, process::{exit, Command}};