diff --git a/Cargo.toml b/Cargo.toml
index a132f4e..9b494d6 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -1,6 +1,6 @@
 [package]
 name = "bincode"
-version = "0.0.10"
+version = "0.0.11"
 authors = ["Ty Overby <ty@pre-alpha.com>", "Francesco Mazzoli <f@mazzo.li>"]
 
 repository = "https://github.com/TyOverby/bincode"
@@ -11,5 +11,5 @@ license = "MIT"
 description = "A binary serialization / deserialization strategy and implementation."
 
 [dependencies]
-rustc-serialize = "*"
+rustc-serialize = "0.3.*"
 byteorder = "0.2.9"
diff --git a/src/reader.rs b/src/reader.rs
index 9402830..e6ce74c 100644
--- a/src/reader.rs
+++ b/src/reader.rs
@@ -79,7 +79,7 @@ fn wrap_io(err: ByteOrderError) -> DecodingError {
 impl Error for DecodingError {
     fn description(&self) -> &str {
         match *self {
-            DecodingError::IoError(ref err)     => err.description(),
+            DecodingError::IoError(ref err) => Error::description(err),
             DecodingError::InvalidEncoding(ref ib) => ib.desc,
             DecodingError::SizeLimit => "the size limit for decoding has been reached"
         }
@@ -385,7 +385,7 @@ fn read_at_least<R: Read>(reader: &mut R, min: usize, buf: &mut [u8]) -> IoResul
 
 unsafe fn slice_vec_capacity<'a, T>(v: &'a mut Vec<T>, start: usize, end: usize) -> &'a mut [T] {
     use std::raw::Slice;
-    use std::ptr::PtrExt;
+    //use std::ptr::PtrExt;
     use std::mem::transmute;
 
     assert!(start <= end);
diff --git a/src/writer.rs b/src/writer.rs
index de08ad7..763d3c3 100644
--- a/src/writer.rs
+++ b/src/writer.rs
@@ -60,7 +60,7 @@ impl fmt::Display for EncodingError {
 impl Error for EncodingError {
     fn description(&self) -> &str {
         match *self {
-            EncodingError::IoError(ref err)     => err.description(),
+            EncodingError::IoError(ref err) => Error::description(err),
             EncodingError::SizeLimit => "the size limit for decoding has been reached"
         }
     }