2 files changed, 9 insertions, 8 deletions
diff --git a/src/compiletest/compiletest.rs b/src/compiletest/compiletest.rs
index b73623223fd..7c0ee7be8a4 100644
--- a/src/compiletest/compiletest.rs
+++ b/src/compiletest/compiletest.rs
@@ -22,6 +22,7 @@
 #![feature(std_misc)]
 #![feature(test)]
 #![feature(unicode)]
+#![feature(env)]
 
 #![deny(warnings)]
 
@@ -31,7 +32,7 @@ extern crate getopts;
 #[macro_use]
 extern crate log;
 
-use std::os;
+use std::env;
 use std::old_io;
 use std::old_io::fs;
 use std::thunk::Thunk;
@@ -48,7 +49,7 @@ pub mod common;
 pub mod errors;
 
 pub fn main() {
-    let args = os::args();
+    let args = env::args().map(|s| s.into_string().unwrap()).collect();;
     let config = parse_config(args);
 
     if config.valgrind_path.is_none() && config.force_valgrind {
@@ -224,7 +225,7 @@ pub fn run_tests(config: &Config) {
         //arm-linux-androideabi debug-info test uses remote debugger
         //so, we test 1 task at once.
         // also trying to isolate problems with adb_run_wrapper.sh ilooping
-        os::setenv("RUST_TEST_TASKS","1");
+        env::set_var("RUST_TEST_TASKS","1");
     }
 
     match config.mode {
@@ -232,7 +233,7 @@ pub fn run_tests(config: &Config) {
             // Some older versions of LLDB seem to have problems with multiple
             // instances running in parallel, so only run one test task at a
             // time.
-            os::setenv("RUST_TEST_TASKS", "1");
+            env::set_var("RUST_TEST_TASKS", "1");
         }
         _ => { /* proceed */ }
     }
@@ -245,7 +246,7 @@ pub fn run_tests(config: &Config) {
     old_io::test::raise_fd_limit();
     // Prevent issue #21352 UAC blocking .exe containing 'patch' etc. on Windows
     // If #11207 is resolved (adding manifest to .exe) this becomes unnecessary
-    os::setenv("__COMPAT_LAYER", "RunAsInvoker");
+    env::set_var("__COMPAT_LAYER", "RunAsInvoker");
     let res = test::run_tests_console(&opts, tests.into_iter().collect());
     match res {
         Ok(true) => {}
diff --git a/src/compiletest/runtest.rs b/src/compiletest/runtest.rs
index 18cb3d1d5b0..5b0ea3b4854 100644
--- a/src/compiletest/runtest.rs
+++ b/src/compiletest/runtest.rs
@@ -31,7 +31,7 @@ use std::old_io::process::ProcessExit;
 use std::old_io::process;
 use std::old_io::timer;
 use std::old_io;
-use std::os;
+use std::env;
 use std::iter::repeat;
 use std::str;
 use std::string::String;
@@ -1298,9 +1298,9 @@ fn make_lib_name(config: &Config, auxfile: &Path, testfile: &Path) -> Path {
 
 fn make_exe_name(config: &Config, testfile: &Path) -> Path {
     let mut f = output_base_name(config, testfile);
-    if !os::consts::EXE_SUFFIX.is_empty() {
+    if !env::consts::EXE_SUFFIX.is_empty() {
         let mut fname = f.filename().unwrap().to_vec();
-        fname.extend(os::consts::EXE_SUFFIX.bytes());
+        fname.extend(env::consts::EXE_SUFFIX.bytes());
         f.set_filename(fname);
     }
     f