Updated dependencies, removed unused imports

Cargo.lock

@@ -56,7 +56,7 @@ name = "docopt"
 version = "0.6.80"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 dependencies = [
- "regex 0.1.69 (registry+https://github.com/rust-lang/crates.io-index)",
+ "regex 0.1.71 (registry+https://github.com/rust-lang/crates.io-index)",
  "rustc-serialize 0.3.19 (registry+https://github.com/rust-lang/crates.io-index)",
  "strsim 0.3.0 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
@@ -167,19 +167,19 @@ dependencies = [
 
 [[package]]
 name = "regex"
-version = "0.1.69"
+version = "0.1.71"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 dependencies = [
  "aho-corasick 0.5.2 (registry+https://github.com/rust-lang/crates.io-index)",
  "memchr 0.1.11 (registry+https://github.com/rust-lang/crates.io-index)",
- "regex-syntax 0.3.1 (registry+https://github.com/rust-lang/crates.io-index)",
+ "regex-syntax 0.3.3 (registry+https://github.com/rust-lang/crates.io-index)",
  "thread_local 0.2.5 (registry+https://github.com/rust-lang/crates.io-index)",
  "utf8-ranges 0.1.3 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
 
 [[package]]
 name = "regex-syntax"
-version = "0.3.1"
+version = "0.3.3"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 
 [[package]]

Cargo.toml

@@ -22,7 +22,7 @@ libc = "0.2"
 aligned_alloc = "0.1"
 rand = "0.3"
 fnv = "1"
-net2 = "*"
+net2 = "0.2"
 
 [build-dependencies]
 gcc = "0.3"

src/cloud.rs

@@ -4,9 +4,7 @@
 
 use std::net::{SocketAddr, ToSocketAddrs};
 use std::collections::{HashMap, HashSet};
-use std::hash::Hasher;
 use std::net::UdpSocket;
-use std::io::Read;
 use std::io::Result as IoResult;
 use std::fmt;
 use std::os::unix::io::AsRawFd;

src/ip.rs

@@ -4,7 +4,6 @@
 
 use std::net::SocketAddr;
 use std::collections::{hash_map, HashMap};
-use std::io::Read;
 use std::hash::BuildHasherDefault;
 
 use fnv::FnvHasher;

src/types.rs

@@ -3,7 +3,6 @@
 // This software is licensed under GPL-3 or newer (see LICENSE.md)
 
 use std::net::{SocketAddr, Ipv4Addr, Ipv6Addr};
-use std::hash::Hasher;
 use std::fmt;
 use std::str::FromStr;