Boot unused creates

Cargo.toml

@@ -71,7 +71,6 @@ chrono = { version = "0.4.0", features = ["serde"] }
 clap = "2.31"
 dirs = "1.0.2"
 env_logger = "0.5.12"
-futures = "0.1.21"
 generic-array = { version = "0.11.1", default-features = false, features = ["serde"] }
 getopts = "0.2"
 influx_db_client = "0.3.4"
@@ -79,7 +78,6 @@ jsonrpc-core = { git = "https://github.com/paritytech/jsonrpc", rev = "4486300"
 jsonrpc-http-server = { git = "https://github.com/paritytech/jsonrpc", rev = "4486300" }
 jsonrpc-macros = { git = "https://github.com/paritytech/jsonrpc", rev = "4486300" }
 itertools = "0.7.8"
-libc = "0.2.1"
 log = "0.4.2"
 matches = "0.1.6"
 pnet_datalink = "0.21.0"
@@ -94,8 +92,6 @@ serde_json = "1.0.10"
 sys-info = "0.5.6"
 tokio = "0.1"
 tokio-codec = "0.1"
-tokio-core = "0.1.17"
-tokio-io = "0.1"
 untrusted = "0.6.2"
 
 [dev-dependencies]

src/bank.rs

@@ -3,8 +3,6 @@
 //! on behalf of the caller, and a low-level API for when they have
 //! already been signed and verified.
 
-extern crate libc;
-
 use chrono::prelude::*;
 use counter::Counter;
 use entry::Entry;

src/bin/drone.rs

@@ -5,7 +5,6 @@ extern crate serde_json;
 extern crate solana;
 extern crate tokio;
 extern crate tokio_codec;
-extern crate tokio_io;
 
 use bincode::deserialize;
 use clap::{App, Arg};

src/lib.rs

@@ -68,7 +68,6 @@ extern crate jsonrpc_core;
 #[macro_use]
 extern crate jsonrpc_macros;
 extern crate jsonrpc_http_server;
-extern crate libc;
 #[macro_use]
 extern crate log;
 extern crate rayon;

src/nat.rs

@@ -1,9 +1,6 @@
 //! The `nat` module assists with NAT traversal
 
-extern crate futures;
-extern crate rand;
 extern crate reqwest;
-extern crate tokio_core;
 
 use std::net::{IpAddr, Ipv4Addr, SocketAddr, UdpSocket};