We got at least 120 emails in the last 2 days about this:
Cron <www-data@phab1001> /usr/bin/find /tmp -user www-data -mtime +14 | xargs rm -r
They put in stderr either missed files:
/usr/bin/find: `/tmp/tmpfmh9GWw': No such file or directory
or permission denied:
/usr/bin/find: `/tmp/pymp-0SIwt8': Permission denied /usr/bin/find: `/tmp/pymp-ERaEHo': Permission denied /usr/bin/find: `/tmp/tmux-4967': Permission denied /usr/bin/find: `/tmp/systemd-private-4cace0e2fe1f446fa8b636ad8d409fb6-systemd-timesyncd.service-XbmQ2B': Permission denied /usr/bin/find: `/tmp/pymp-_FSHCo': Permission denied /usr/bin/find: `/tmp/pymp-UXcTWc': Permission denied