Fix or disable all failing tests. Fix all cargo clippy warnings

crates/librqbit/src/peer_info_reader/mod.rs

@@ -236,10 +236,14 @@ mod tests {
     static LOG_INIT: Once = std::sync::Once::new();
 
     fn init_logging() {
-        LOG_INIT.call_once(pretty_env_logger::init)
+        #[allow(unused_must_use)]
+        LOG_INIT.call_once(|| {
+            pretty_env_logger::try_init();
+        })
     }
 
     #[tokio::test]
+    #[ignore]
     async fn test_get_torrent_metadata_from_localhost_bittorrent_client() {
         init_logging();