Should I be worried about these scan results form rkhunter?
[22:09:40] Info: Starting test name 'passwd_changes'
[22:09:40] Checking for passwd file changes [ Warning ]
[22:09:40] Warning: User 'usermetrics' has been added to the passwd file.
[22:09:40] Warning: User 'clickpkg' has been added to the passwd file.
[22:09:40]
[22:09:40] Info: Starting test name 'group_changes'
[22:09:40] Checking for group file changes [ Warning ]
[22:09:40] Warning: Group 'usermetrics' has been added to the group file.
[22:09:40] Warning: Group 'clickpkg' has been added to the group file.
[22:09:40] Checking root account shell history files [ None found ]
I saw a usermetrics line and clickpkg line at the end of my /etc/passwd file as rkhunter reports.