remove some allow annotions and fix resulting warnings

server/texture-sync-server/src/protocol/error.rs

@@ -1 +0,0 @@
-use crate::model::*;

server/texture-sync-server/src/protocol/implementation/connection.rs

@@ -3,7 +3,7 @@ use super::*;
 use std::io::*;
 use std::net::*;
 
-use serde::{Deserialize, Serialize};
+use serde::Serialize;
 
 pub struct Connection<R: Read + Sized, W: Write + Sized> {
     reader: R,
@@ -139,9 +139,9 @@ impl<R: Read + Sized, W: Write + Sized> Connection<R, W> {
                     _ => (), // else try other
                 }
 
-                let json: Command = serde_json::from_slice(&payload[..]).map_err(|e| {
+                let json: Command = serde_json::from_slice(&payload[..]).map_err(|_e| {
                     #[cfg(test)]
-                    dbg!(&e);
+                    dbg!(&_e);
 
                     Error::new(ErrorKind::InvalidData, "Invalid JSON.")
                 })?;

server/texture-sync-server/src/protocol/implementation/listen_forever.rs

@@ -1,4 +1,3 @@
-use std::io::*;
 use std::net::*;
 
 use std::thread;
@@ -105,7 +104,7 @@ where
                                     Ok(ReplaceTextureStatus::Ok) => {
                                         connection.send(&Package::Json(JsonValue::True))?;
                                     }
-                                    Ok(ReplaceTextureStatus::NeedTextureData(hash)) => {
+                                    Ok(ReplaceTextureStatus::NeedTextureData(_hash)) => {
                                         panic!("Contract Violation: handler must not return NeedTextureData \
                                         when data is given.");
                                     }

server/texture-sync-server/src/protocol/implementation/package.rs

@@ -46,8 +46,6 @@ pub enum Command {
     },
 }
 
-use super::error::*;
-
 impl From<ProtocolError> for Package {
     fn from(item: ProtocolError) -> Self {
         match item {

server/texture-sync-server/src/protocol/mod.rs

@@ -1,13 +1,9 @@
-mod error;
-pub use self::error::*;
-
 mod implementation;
 pub use self::implementation::*;
 
 use crate::model::*;
 
 use std::io;
-use std::sync::Arc;
 
 pub trait ProtocolHandler: Send + Sync + Clone {
     fn query(&mut self, query: &[String]) -> ProtocolResult<Vec<Texture>>;