More test fixes

Author: weiznich

diesel/src/lib.rs

@@ -95,7 +95,7 @@
 // For the `specialization` feature.
 #![cfg_attr(feature = "unstable", allow(incomplete_features))]
 // Built-in Lints
-//#![deny(warnings)]
+#![deny(warnings)]
 #![warn(
     missing_debug_implementations,
     missing_copy_implementations,

diesel/src/mysql/types/date_and_time.rs

@@ -156,7 +156,6 @@ mod tests {
     extern crate dotenv;
 
     use self::chrono::{Duration, NaiveDate, NaiveTime, Utc};
-    use self::dotenv::dotenv;
 
     use crate::dsl::{now, sql};
     use crate::prelude::*;

diesel_cli/tests/migration_run.rs

@@ -88,7 +88,7 @@ fn migration_run_inserts_run_on_timestamps() {
             "EXISTS (SELECT 1 FROM __diesel_schema_migrations \
              WHERE run_on < NOW() + INTERVAL 1 HOUR)",
         ))
-        .get_result(&db.conn())
+        .get_result(&mut db.conn())
         .unwrap()
     }
 

diesel_cli/tests/support/mysql_database.rs

@@ -14,7 +14,7 @@ impl Database {
 
     pub fn create(self) -> Self {
         let (database, mysql_url) = self.split_url();
-        let conn = MysqlConnection::establish(&mysql_url).unwrap();
+        let mut conn = MysqlConnection::establish(&mysql_url).unwrap();
         conn.execute(&format!("CREATE DATABASE `{}`", database))
             .unwrap();
         self
@@ -33,7 +33,7 @@ impl Database {
                  AND table_schema = DATABASE())",
             table
         )))
-        .get_result(&self.conn())
+        .get_result(&mut self.conn())
         .unwrap()
     }
 
@@ -59,7 +59,7 @@ impl Database {
 impl Drop for Database {
     fn drop(&mut self) {
         let (database, mysql_url) = self.split_url();
-        let conn = try_drop!(
+        let mut conn = try_drop!(
             MysqlConnection::establish(&mysql_url),
             "Couldn't connect to database"
         );