r2d2_diesel is included in diesel since 1.1, so we don't need the dependencies directly.

Same thing with time, included in chrono

src/auth.rs

@@ -3,7 +3,7 @@
 ///
 
 use util::read_file;
-use time::Duration;
+use chrono::Duration;
 
 use jwt;
 use serde::ser::Serialize;

src/db/mod.rs

@@ -2,8 +2,8 @@ use std::ops::Deref;
 
 use diesel::{Connection as DieselConnection, ConnectionError};
 use diesel::sqlite::SqliteConnection;
-use r2d2;
-use r2d2_diesel::ConnectionManager;
+use diesel::r2d2;
+use diesel::r2d2::ConnectionManager;
 
 use rocket::http::Status;
 use rocket::request::{self, FromRequest};

src/main.rs

@@ -16,12 +16,9 @@ extern crate serde_json;
 extern crate diesel;
 #[macro_use]
 extern crate diesel_migrations;
-extern crate r2d2_diesel;
-extern crate r2d2;
 extern crate ring;
 extern crate uuid;
 extern crate chrono;
-extern crate time;
 extern crate oath;
 extern crate data_encoding;
 extern crate jsonwebtoken as jwt;