diff --git a/Cargo.toml b/Cargo.toml
index 0f5de10f..12f270f3 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -14,5 +14,5 @@ exclude = [
 ]
 
 [dependencies]
-regex_macros = "0.1.5"
-regex = "0.1.10"
+regex_macros = "0.1.8"
+regex = "0.1.14"
diff --git a/src/lib.rs b/src/lib.rs
index bbba0c1b..5fce0783 100644
--- a/src/lib.rs
+++ b/src/lib.rs
@@ -1,12 +1,14 @@
 #![crate_name = "markdown"]
 
+#![feature(fs)]
+#![feature(io)]
 #![feature(plugin)]
-#[plugin] #[no_link]
+#![plugin(regex_macros)]
 extern crate regex_macros;
 extern crate regex;
 
-use std::io::File;
-use std::io::IoError;
+use std::fs::File;
+use std::io::{Read, Error};
 
 mod parser;
 mod html;
@@ -18,14 +20,15 @@ pub fn to_html(text : &str) -> String{
     html::to_html(&result)
 }
 
-pub fn file_to_html(path : &Path) -> Result<String, IoError>{
+pub fn file_to_html(path : &Path) -> Result<String, Error>{
     let mut file = match File::open(path) {
         Ok(file) => file,
         Err(e) => return Err(e)
     };
 
-    let text = match file.read_to_string() {
-        Ok(string) => string,
+    let mut text = String::new();
+    match file.read_to_string(&mut text) {
+        Ok(()) => (),
         Err(e) => return Err(e)
     };
 
diff --git a/src/parser/mod.rs b/src/parser/mod.rs
index 1e7c8086..ddf205ca 100644
--- a/src/parser/mod.rs
+++ b/src/parser/mod.rs
@@ -6,7 +6,7 @@ mod block;
 
 static SPLIT : Regex = regex!(r"\n(?:\s*\n|$)");
 
-#[derive(Show, PartialEq)]
+#[derive(Debug, PartialEq)]
 pub enum Block {
     Header(Vec<Span>, usize),
     Paragraph(Vec<Span>),
@@ -15,7 +15,7 @@ pub enum Block {
     Hr
 }
 
-#[derive(Show, PartialEq)]
+#[derive(Debug, PartialEq)]
 pub enum Span {
     Break,
     Text(String),