diff --git a/kernel/syscall/process.rs b/kernel/syscall/process.rs
index 2a4b9caf157be4592608674223ea3a5ae3597e4f..376334194fca92ea29b3413058983e8a96264c53 100644
--- a/kernel/syscall/process.rs
+++ b/kernel/syscall/process.rs
@@ -250,7 +250,7 @@ pub fn clone(flags: usize, stack_base: usize) -> Result<ContextId> {
         // If not cloning files, dup to get a new number from scheme
         // This has to be done outside the context lock to prevent deadlocks
         if flags & CLONE_FILES == 0 {
-            for (fd, mut file_option) in files.lock().iter_mut().enumerate() {
+            for (_fd, mut file_option) in files.lock().iter_mut().enumerate() {
                 let new_file_option = if let Some(file) = *file_option {
                     let result = {
                         let scheme = {
@@ -269,8 +269,7 @@ pub fn clone(flags: usize, stack_base: usize) -> Result<ContextId> {
                                 event: None,
                             })
                         },
-                        Err(err) => {
-                            println!("clone: failed to dup {}: {:?}", fd, err);
+                        Err(_err) => {
                             None
                         }
                     }
@@ -709,8 +708,7 @@ pub fn exec(path: &[u8], arg_ptrs: &[[usize; 2]]) -> Result<usize> {
                                     event: None,
                                 })
                             },
-                            Err(err) => {
-                                println!("exec: failed to dup {}: {:?}", fd, err);
+                            Err(_err) => {
                                 None
                             }
                         }
diff --git a/programs/orbutils b/programs/orbutils
index 6d183f68e2519a86e4f69efaacf80d7fc78a59bc..8187b2aa0bfb202fd52a4bac5adae4217c254e7e 160000
--- a/programs/orbutils
+++ b/programs/orbutils
@@ -1 +1 @@
-Subproject commit 6d183f68e2519a86e4f69efaacf80d7fc78a59bc
+Subproject commit 8187b2aa0bfb202fd52a4bac5adae4217c254e7e