diff --git a/truncate/truncate.rs b/truncate/truncate.rs
index 26b9f449c..ce20ff1cc 100644
--- a/truncate/truncate.rs
+++ b/truncate/truncate.rs
@@ -185,8 +185,8 @@ fn parse_size(size: &str) -> (u64, TruncateMode) {
         }
     };
     if size.char_at(size.len() - 1).is_alphabetic() {
-        number *= match size.char_at(size.len() - 1).to_ascii().to_upper().to_char() {
-            'B' => match size.char_at(size.len() - 2).to_ascii().to_upper().to_char() {
+        number *= match size.char_at(size.len() - 1).to_ascii().to_uppercase().to_char() {
+            'B' => match size.char_at(size.len() - 2).to_ascii().to_uppercase().to_char() {
                 'K' => 1000,
                 'M' => 1000 * 1000,
                 'G' => 1000 * 1000 * 1000,
diff --git a/uname/uname.rs b/uname/uname.rs
index b9d90ac19..f3ef6770c 100644
--- a/uname/uname.rs
+++ b/uname/uname.rs
@@ -18,7 +18,7 @@ extern crate getopts;
 extern crate libc;
 
 use std::os;
-use std::mem::uninit;
+use std::mem::uninitialized;
 use std::io::print;
 use std::str::raw::from_c_str;
 use c_types::utsname;
@@ -39,7 +39,7 @@ extern {
 }
 
 unsafe fn getuname() -> utsrust {
-    let mut uts: utsname = uninit();
+    let mut uts: utsname = uninitialized();
     uname(&mut uts);
     utsrust {
         sysname: from_c_str(uts.sysname.as_ptr()), nodename: from_c_str(uts.nodename.as_ptr()),