Update dependencies

server/src/status_json.rs

@@ -4,9 +4,8 @@ use duplicate::duplicate;
 use log::{info, warn};
 use rocket::http::Status;
 use rocket::response::{Responder, Response};
+use rocket::serde::json::{json, Json};
 use rocket::Request;
-use rocket_contrib::json;
-use rocket_contrib::json::Json; // macro
 
 /// An error message which can be serialized as JSON.
 ///
@@ -81,7 +80,7 @@ impl From<T> for StatusJson {
 impl From<Status> for StatusJson {
     fn from(status: Status) -> StatusJson {
         StatusJson {
-            description: status.reason.to_string(),
+            description: status.reason().map(|r| r.to_string()).unwrap_or_default(),
             status,
         }
     }