I have not checked what hosts this is affecting, but at least it affects to tools-sgewebgrid-lighttpd-0921:
08:18:04 0 ✓ zhuyifei1999@tools-sgewebgrid-lighttpd-0921: ~$ sudo -l
We trust you have received the usual lecture from the local System
Administrator. It usually boils down to these three things:
#1) Respect the privacy of others.
#2) Think before you type.
#3) With great power comes great responsibility.
[sudo] password for zhuyifei1999:
08:18:12 1 ✗ zhuyifei1999@tools-sgewebgrid-lighttpd-0921: ~$ become zhuyifei1999-test
sudo: a password is required
08:18:19 1 ✗ zhuyifei1999@tools-sgewebgrid-lighttpd-0921: ~$root@tools-sgewebgrid-lighttpd-0921:~# sudo -lU zhuyifei1999 User zhuyifei1999 is not allowed to run sudo on tools-sgewebgrid-lighttpd-0921.
Unlikely relevant (just in case), but I was truncating an exim paniclog with this contents:
root@tools-sgewebgrid-lighttpd-0921:~# cat /var/log/exim4/paniclog 2019-04-08 12:01:16 Failed to get user name for uid 52856 root@tools-sgewebgrid-lighttpd-0921:~# truncate -s 0 /var/log/exim4/paniclog