106         let r = fs::read_to_string("/etc/group");  in check_group_gid()  localVariable
108         match r {  in check_group_gid()
163         let r = std::process::Command::new("/bin/groupadd")  in check_group_gid()  localVariable
168         if let Ok(exit_status) = r {  in check_group_gid()
447         let r = fs::read_to_string("/etc/passwd");  in cur_username()  localVariable
450         match r {  in cur_username()
476         let r = fs::read_to_string("/etc/shadow");  in check_password()  localVariable
477         match r {  in check_password()
587         let r = fs::read_to_string("/etc/passwd");  in is_main_group()  localVariable
588         match r {  in is_main_group()
645         let r = fs::read_to_string("/etc/group");  in check_group_file()  localVariable
646         match r {  in check_group_file()
715                     let r = uid.parse::<u32>();  in scan_passwd()  localVariable
716                     if r.is_err() {  in scan_passwd()
796                     let r = gid.parse::<u32>();  in scan_group()  localVariable
797                     if r.is_err() {  in scan_group()
877     let r = fs::read_to_string("/etc/group");  in check_groupname()  localVariable
878     match r {  in check_groupname()