diff --git a/src/libnative/io/process.rs b/src/libnative/io/process.rs
index b94d81cff95b8..d69042175f7cc 100644
--- a/src/libnative/io/process.rs
+++ b/src/libnative/io/process.rs
@@ -489,15 +489,15 @@ fn make_command_line(prog: &CString, args: &[CString]) -> String {
         }
         let argvec: Vec<char> = arg.chars().collect();
         for i in range(0u, argvec.len()) {
-            append_char_at(cmd, &argvec, i);
+            append_char_at(cmd, argvec.as_slice(), i);
         }
         if quote {
             cmd.push('"');
         }
     }
 
-    fn append_char_at(cmd: &mut String, arg: &Vec<char>, i: uint) {
-        match *arg.get(i) {
+    fn append_char_at(cmd: &mut String, arg: &[char], i: uint) {
+        match arg[i] {
             '"' => {
                 // Escape quotes.
                 cmd.push_str("\\\"");
@@ -517,11 +517,11 @@ fn make_command_line(prog: &CString, args: &[CString]) -> String {
         }
     }
 
-    fn backslash_run_ends_in_quote(s: &Vec<char>, mut i: uint) -> bool {
-        while i < s.len() && *s.get(i) == '\\' {
+    fn backslash_run_ends_in_quote(s: &[char], mut i: uint) -> bool {
+        while i < s.len() && s[i] == '\\' {
             i += 1;
         }
-        return i < s.len() && *s.get(i) == '"';
+        return i < s.len() && s[i] == '"';
     }
 }
 
diff --git a/src/libnative/task.rs b/src/libnative/task.rs
index 48e2c440dfc7b..d90535428dac6 100644
--- a/src/libnative/task.rs
+++ b/src/libnative/task.rs
@@ -345,7 +345,7 @@ mod tests {
     #[test]
     fn spawn_inherits() {
         let (tx, rx) = channel();
-        spawn(proc() {
+        TaskBuilder::new().spawner(NativeSpawner).spawn(proc() {
             spawn(proc() {
                 let mut task: Box<Task> = Local::take();
                 match task.maybe_take_runtime::<Ops>() {
diff --git a/src/test/compile-fail/writing-to-immutable-vec.rs b/src/test/compile-fail/writing-to-immutable-vec.rs
index 13eb6f860ba43..4e9f1545f3add 100644
--- a/src/test/compile-fail/writing-to-immutable-vec.rs
+++ b/src/test/compile-fail/writing-to-immutable-vec.rs
@@ -11,5 +11,5 @@
 
 fn main() {
     let v: Vec<int> = vec!(1, 2, 3);
-    v[1] = 4; //~ ERROR cannot assign
+    v[1] = 4; //~ ERROR cannot borrow immutable local variable `v` as mutable
 }
diff --git a/src/test/run-pass/vector-sort-failure-safe.rs b/src/test/run-pass/vector-sort-failure-safe.rs
index 46f760722a605..10c37651a8635 100644
--- a/src/test/run-pass/vector-sort-failure-safe.rs
+++ b/src/test/run-pass/vector-sort-failure-safe.rs
@@ -9,7 +9,7 @@
 // except according to those terms.
 
 use std::task;
-use std::sync::atomics::{AtomicUint, INIT_ATOMIC_UINT, Relaxed};
+use std::sync::atomic::{AtomicUint, INIT_ATOMIC_UINT, Relaxed};
 use std::rand::{task_rng, Rng, Rand};
 
 const REPEATS: uint = 5;