Activate lint for dead-code checking

For test code, we need it in a couple of places.

Signed-off-by: Alexis Sellier <alexis@radicle.xyz>

radicle-node/src/lib.rs

@@ -1,4 +1,3 @@
-#![allow(dead_code)]
 pub mod address;
 pub mod client;
 pub mod clock;

radicle-node/src/test/logger.rs

@@ -41,6 +41,7 @@ impl Log for Logger {
     fn flush(&self) {}
 }
 
+#[allow(dead_code)]
 pub fn init(level: Level) {
     let logger = Logger { level };
 

radicle-node/src/test/peer.rs

@@ -1,3 +1,4 @@
+#![allow(dead_code)]
 use std::collections::BTreeMap;
 use std::iter;
 use std::net;

radicle-node/src/test/simulator.rs

@@ -1,5 +1,6 @@
 //! A simple P2P network simulator. Acts as the _reactor_, but without doing any I/O.
 #![allow(clippy::collapsible_if)]
+#![allow(dead_code)]
 
 #[cfg(feature = "quickcheck")]
 pub mod arbitrary;

radicle-node/src/transport.rs

@@ -15,19 +15,19 @@ use crate::wire::Wire;
 
 #[derive(Debug)]
 struct Peer {
-    addr: net::SocketAddr,
+    _addr: net::SocketAddr,
 }
 
 #[derive(Debug)]
 pub struct Transport<R, S, T, G> {
-    peers: HashMap<net::IpAddr, Peer>,
+    _peers: HashMap<net::IpAddr, Peer>,
     inner: Wire<R, S, T, G>,
 }
 
 impl<R, S, T, G> Transport<R, S, T, G> {
     pub fn new(inner: Wire<R, S, T, G>) -> Self {
         Self {
-            peers: HashMap::default(),
+            _peers: HashMap::default(),
             inner,
         }
     }