cron cannot be stopped or started again after initial launch by supervisord.
$ supervisorctl
supervisor> status
cron FATAL Exited too quickly (process log may have details)
nginx RUNNING pid 27, uptime 0:00:21
php5-fpm RUNNING pid 29, uptime 0:00:21
php5-fpm-log RUNNING pid 28, uptime 0:00:21
stdout RUNNING pid 25, uptime 0:00:21
$ tail -f /tmp/supervisord.log
2016-01-30 14:41:24,161 INFO gave up: cron entered FATAL state, too many start retries too quickly
2016-01-30 14:41:29,167 INFO spawned: 'cron' with pid 57
2016-01-30 14:41:29,172 INFO exited: cron (exit status 1; not expected)
2016-01-30 14:41:30,178 INFO spawned: 'cron' with pid 58
2016-01-30 14:41:30,184 INFO exited: cron (exit status 1; not expected)
2016-01-30 14:41:32,193 INFO spawned: 'cron' with pid 59
2016-01-30 14:41:32,199 INFO exited: cron (exit status 1; not expected)
2016-01-30 14:41:35,206 INFO spawned: 'cron' with pid 60
2016-01-30 14:41:35,211 INFO exited: cron (exit status 1; not expected)
2016-01-30 14:41:35,212 INFO gave up: cron entered FATAL state, too many start retries too quickly
cron cannot be stopped or started again after initial launch by supervisord.
The supervisord configuration for cron: