Further preparations for Rusto 2018 edition

podcasts-data/src/dbqueries.rs

@@ -467,8 +467,8 @@ pub fn update_none_to_played_now(parent: &Show) -> Result<usize, DataError> {
 mod tests {
     use super::*;
     use crate::database::*;
-    use failure::Error;
     use crate::pipeline;
+    use failure::Error;
 
     #[test]
     fn test_update_none_to_played_now() -> Result<(), Error> {

podcasts-data/src/lib.rs

@@ -19,6 +19,7 @@
 
 #![recursion_limit = "1024"]
 #![allow(unknown_lints)]
+#![feature(rust_2018_preview)]
 #![cfg_attr(
     all(test, feature = "clippy"),
     allow(option_unwrap_used, result_unwrap_used)
@@ -43,7 +44,7 @@
 )]
 // Enable lint group collections
 #![warn(nonstandard_style, bad_style, unused)]
-#![allow(edition_2018, rust_2018_idioms)]
+#![warn(edition_2018, rust_2018_idioms)]
 // standalone lints
 #![warn(
     const_err,

podcasts-data/src/models/new_episode.rs

@@ -332,9 +332,9 @@ impl NewEpisodeMinimal {
 mod tests {
     use crate::database::truncate_db;
     use crate::dbqueries;
-    use failure::Error;
     use crate::models::new_episode::{NewEpisodeMinimal, NewEpisodeMinimalBuilder};
     use crate::models::*;
+    use failure::Error;
 
     use rss::Channel;
 

podcasts-data/src/pipeline.rs

@@ -89,8 +89,8 @@ mod tests {
     use super::*;
     use crate::database::truncate_db;
     use crate::dbqueries;
-    use failure::Error;
     use crate::Source;
+    use failure::Error;
 
     // (path, url) tuples.
     const URLS: &[&str] = &[