384         let mut err: Option<ExecuteErrorType> = None;  in execute()  localVariable
467                                                 err = Some(ExecuteErrorType::FileOpenFailed(  in execute()
481                         if err.is_none() {  in execute()
483                                 err = Some(err_type);  in execute()
500                             std::process::exit(if err.is_none() { 0 } else { 1 });  in execute()
509                             err = match libc::waitpid(child_fd, &mut status, 0) {  in execute()
517                                         err = Some(ExecuteErrorType::ExitWithCode(status));  in execute()
520                                     err = Some(ExecuteErrorType::ProcessTerminated);  in execute()
528                         err = Some(ExecuteErrorType::ExecuteFailed)  in execute()
555                     Err(e) => err = Some(e),  in execute()
583                                                 err = Some(ExecuteErrorType::FileOpenFailed(  in execute()
600                         if err.is_none() {  in execute()
619                                                     err = Some(ExecuteErrorType::ExitWithCode(  in execute()
624                                             None => err = Some(ExecuteErrorType::ProcessTerminated),  in execute()
626                                         Err(_) => err = Some(ExecuteErrorType::ExecuteFailed),  in execute()
642                                         err = Some(ExecuteErrorType::PermissionDenied(  in execute()
655             result_next = match err {  in execute()