get rid of warnings, bump version to 0.6.4

1 files changed, 1 insertions, 2 deletions

diff --git a/src/lib.rs b/src/lib.rs
index 8730b46..700425a 100644
--- a/src/lib.rs
+++ b/src/lib.rs
@@ -8,7 +8,7 @@
 use std::collections::HashMap;
 use std::ffi::OsStr;
 use std::fs::{self, File};
-use std::io::{self, BufRead, Read, Write};
+use std::io::{self, Read, Write};
 use std::os::unix::ffi::OsStrExt;
 use std::os::unix::io::AsRawFd;
 use std::path::Path;
@@ -35,7 +35,6 @@ pub mod rw;
 pub mod serialization;
 pub mod wait;
 
-use libc::BS0;
 use linebuf::LineBuf;
 use raw::*;