diff --git a/src/main.rs b/src/main.rs
index b9c75937..18863f6b 100644
--- a/src/main.rs
+++ b/src/main.rs
@@ -440,7 +440,7 @@ fn init_rayon(stack: &Option<usize>, threads: &Option<usize>) -> rayon::ThreadPo
                 None
             } else {
                 let large_stack = usize::pow(1024, 3);
-                let mut sys = System::new_all();
+                let mut sys = System::new();
                 sys.refresh_memory();
                 // Larger stack size if possible to handle cases with lots of nested directories
                 let available = sys.available_memory();
diff --git a/tests/test_exact_output.rs b/tests/test_exact_output.rs
index 2d4a4bad..58d2cf9b 100644
--- a/tests/test_exact_output.rs
+++ b/tests/test_exact_output.rs
@@ -42,7 +42,7 @@ fn create_unreadable_directory() -> io::Result<()> {
         use std::fs::Permissions;
         use std::os::unix::fs::PermissionsExt;
         fs::create_dir_all(UNREADABLE_DIR_PATH)?;
-        fs::set_permissions(UNREADABLE_DIR_PATH, Permissions::from_mode(0))?;
+        fs::set_permissions(UNREADABLE_DIR_PATH, Permissions::from_mode(0o0))?;
     }
     Ok(())
 }