Silence some warnings

src/site.rs

@@ -1,3 +1,6 @@
+// #[derive(BartDisplay)] can cause unused extern crates warning:
+#![allow(unused_extern_crates)]
+
 use std::fmt;
 
 use futures::{self, Future};

src/state.rs

@@ -1,6 +1,5 @@
 use std;
 
-use chrono;
 use diesel;
 use diesel::sqlite::SqliteConnection;
 use diesel::prelude::*;
@@ -21,16 +20,6 @@ impl State {
         State { connection_pool }
     }
 
-    pub fn get_article_revision_by_slug(&self, slug: &str) -> Result<Option<models::ArticleRevision>, Error> {
-        Ok(Some(models::ArticleRevision {
-            article_id: 0,
-            revision: 0,
-            created: chrono::Local::now().naive_local(),
-            title: slug.to_owned(),
-            body: "Look at me!".to_owned(),
-        }))
-    }
-
     pub fn get_article_revision_by_id(&self, article_id: i32) -> Result<Option<models::ArticleRevision>, Error> {
         use schema::article_revisions;