auto merge of #8866 : brson/rust/rvstdrun, r=alexcrichton

...ing, r=brson"

This reverts commit b8d1fa399402c71331aefd634d710004e00b73a6, reversing
changes made to f22b4b169854c8a4ba86c16ee43327d6bcf94562.

Conflicts:
	mk/rt.mk
	src/libuv

This caused a big performance regression on the windows bots and possibly some unexpected segfaults in pretty-printing tests.

1 files changed, 3 insertions, 6 deletions

diff --git a/src/test/run-pass/core-run-destroy.rs b/src/test/run-pass/core-run-destroy.rs
index 90e63fc977d..2551d1a5cfc 100644
--- a/src/test/run-pass/core-run-destroy.rs
+++ b/src/test/run-pass/core-run-destroy.rs
@@ -22,15 +22,13 @@ use std::str;
 
 #[test]
 fn test_destroy_once() {
-    let p = run::Process::new("echo", [], run::ProcessOptions::new());
-    let mut p = p.unwrap();
+    let mut p = run::Process::new("echo", [], run::ProcessOptions::new());
     p.destroy(); // this shouldn't crash (and nor should the destructor)
 }
 
 #[test]
 fn test_destroy_twice() {
-    let p = run::Process::new("echo", [], run::ProcessOptions::new());
-    let mut p = p.unwrap();
+    let mut p = run::Process::new("echo", [], run::ProcessOptions::new());
     p.destroy(); // this shouldnt crash...
     p.destroy(); // ...and nor should this (and nor should the destructor)
 }
@@ -76,8 +74,7 @@ fn test_destroy_actually_kills(force: bool) {
     }
 
     // this process will stay alive indefinitely trying to read from stdin
-    let p = run::Process::new(BLOCK_COMMAND, [], run::ProcessOptions::new());
-    let mut p = p.unwrap();
+    let mut p = run::Process::new(BLOCK_COMMAND, [], run::ProcessOptions::new());
 
     assert!(process_exists(p.get_id()));