on for safety.unsafe precondition(s) violated: slice::from_raw_parts requires the pointer to be aligned and non-null, and the total size of the slice not to exceed `isize::MAX` This indicates a bug in the program. This Undefined Behavior check is optional, and cannot be relied on for safety.unsafe precondition(s) violated: slice::from_raw_parts_mut requires the pointer to be aligned and non-null, and the total size of the slice not to exceed `isize::MAX` This indicates a bug in the program. This Undefined Behavior check is optional, and cannot be relied on for safety.unsafe precondition(s) violated: Vec::set_len requires that new_len <= capacity() This indicates a bug in the program. This Undefined Behavior check is optional, and cannot be relied on for safety.