Fix various clippy errors

src/database/sending.rs

@@ -74,7 +74,7 @@ impl Sending {
             for ((server, is_appservice), pdus) in current_transactions {
                 // Create new reservation
                 let mut prefix = if is_appservice {
-                    "+".as_bytes().to_vec()
+                    b"+".to_vec()
                 } else {
                     Vec::new()
                 };
@@ -217,11 +217,9 @@ impl Sending {
                                     prefix.extend_from_slice(server.as_bytes());
                                     prefix.push(0xff);
 
-                                    if servercurrentpdus
+                                    servercurrentpdus
                                         .compare_and_swap(prefix, Option::<&[u8]>::None, Some(&[])) // Try to reserve
-                                        == Ok(Ok(())) { true } else {
-                                            false
-                                    }
+                                        == Ok(Ok(()))
                                 })
                             {
                                 servercurrentpdus.insert(&key, &[]).unwrap();

src/ruma_wrapper.rs

@@ -1,17 +1,17 @@
 use crate::Error;
 use ruma::{
-    api::{AuthScheme, OutgoingRequest},
     identifiers::{DeviceId, UserId},
     Outgoing,
 };
 use std::{
-    convert::{TryFrom, TryInto},
+    convert::{TryInto},
     ops::Deref,
 };
 
 #[cfg(feature = "conduit_bin")]
 use {
     crate::utils,
+    ruma::api::{AuthScheme, OutgoingRequest},
     log::{debug, warn},
     rocket::{
         data::{
@@ -25,6 +25,7 @@ use {
         Request, State,
     },
     std::io::Cursor,
+    std::convert::TryFrom, 
 };
 
 /// This struct converts rocket requests into ruma structs by converting them into http requests

src/server_server.rs

@@ -3,7 +3,7 @@ use get_profile_information::v1::ProfileField;
 use http::header::{HeaderValue, AUTHORIZATION, HOST};
 use log::{info, warn};
 use regex::Regex;
-use rocket::{get, post, put, response::content::Json, State};
+use rocket::{response::content::Json, State};
 use ruma::{
     api::{
         federation::{
@@ -29,6 +29,10 @@ use std::{
     net::{IpAddr, SocketAddr},
     time::{Duration, SystemTime},
 };
+#[cfg(feature = "conduit_bin")]
+use {
+    rocket::{get, post, put}
+};
 
 #[tracing::instrument(skip(globals))]
 pub async fn send_request<T: OutgoingRequest>(
@@ -591,7 +595,7 @@ pub async fn send_transaction_message_route<'a>(
                     .get("users")
                     .and_then(|users| users.as_sequence())
                     .map_or_else(
-                        || Vec::new(),
+                        Vec::new,
                         |users| {
                             users
                                 .iter()
@@ -623,7 +627,7 @@ pub async fn send_transaction_message_route<'a>(
                     .and_then(|string| {
                         UserId::parse_with_server_name(string, db.globals.server_name()).ok()
                     });
-
+                #[allow(clippy::blocks_in_if_conditions)]
                 if bridge_user_id.map_or(false, |bridge_user_id| {
                     db.rooms
                         .is_joined(&bridge_user_id, room_id)