clean up in dependencies

src/libboard_artiq/Cargo.toml

@@ -12,6 +12,7 @@ build_zynq = { path = "../libbuild_zynq" }
 [dependencies]
 log = "0.4"
 log_buffer = { version = "1.2" }
+crc = { version = "1.7", default-features = false }
 
 io = { path = "../libio", features = ["byteorder"] }
 libboard_zynq = { git = "https://git.m-labs.hk/M-Labs/zynq-rs.git"}

src/libboard_artiq/src/drtioaux.rs

@@ -2,7 +2,7 @@ use core::slice;
 use crc;
 
 
-use io::{ProtoRead, ProtoWrite, Cursor, Error as IoError};
+use io::{proto::ProtoRead, proto::ProtoWrite, Cursor, Error as IoError};
 use mem::mem::DRTIOAUX_MEM;
 use pl::csr::DRTIOAUX;
 use drtioaux_proto::Error as ProtocolError;

src/libboard_artiq/src/drtioaux_proto.rs

@@ -1,4 +1,4 @@
-use io::{Read, ProtoRead, Write, ProtoWrite, Error as IoError};
+use io::{Read, proto::ProtoRead, Write, proto::ProtoWrite, Error as IoError};
 
 #[derive(Debug)]
 pub enum Error<T> {
@@ -58,7 +58,7 @@ pub enum Packet {
 
 impl Packet {
     pub fn read_from<R>(reader: &mut R) -> Result<Self, Error<R::ReadError>>
-        where R: Read + ?Sized
+        where R: io::Read + ?Sized
     {
         Ok(match reader.read_u8()? {
             0x00 => Packet::EchoRequest,

src/libboard_artiq/src/lib.rs

@@ -3,8 +3,6 @@
 
 extern crate log;
 extern crate crc;
-extern crate failure;
-extern crate failure_derive;
 extern crate libboard_zynq;
 extern crate libconfig;
 extern crate libcortex_a9;