Return proper errors with update_err

diff --git a/src/libstd/io/fs.rs b/src/libstd/io/fs.rs
index f4e795721cf54caa82ad3c16948e26cc884b9ccc..cd4141e045cb5dc8b5c0d4be0c415549099162ca 100644 (file)
--- a/src/libstd/io/fs.rs
+++ b/src/libstd/io/fs.rs
@@ -382,7 +382,7 @@ fn update_err<T>(result: IoResult<T>, from: &Path, to: &Path) -> IoResult<T> {
     let mut reader = try!(File::open(from));
     let mut writer = try!(File::create(to));
 
-    try!(super::util::copy(&mut reader, &mut writer));
+    try!(update_err(super::util::copy(&mut reader, &mut writer), from, to));
 
     chmod(to, try!(update_err(from.stat(), from, to)).perm)
 }