2 WP-CLI Auto Update emails

I receive 2 WP-CLI Auto Update emails with same body. Diff:

Code (Text):

< Restarting nginx (via systemctl):  [  OK  ]
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> Restarting nginx (via systemctl):  [  OK  ]^M

Code (Text):

< From: "(Cron Daemon)" <root@server.domain.tld>
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> From: admin@email.addr

Code (Text):

< Subject: Cron <root@hostname> sleep 218s ;/root/tools/wp_updater_${VHOSTNAME} 2>/dev/null
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> Subject: Wordpress WP-CLI Auto Update Tue Oct 18 16:03:45 UTC 2016

Bug or feature?
123.09beta01

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5s diff

 

no problem with duplicates.
First email from cron:

Code (Text):

Auto-Submitted: auto-generated
Precedence: bulk
X-Cron-Env: <XDG_SESSION_ID=8061>
X-Cron-Env: <XDG_RUNTIME_DIR=/run/user/0>
X-Cron-Env: <LANG=en_US.UTF-8>
X-Cron-Env: <SHELL=/bin/sh>
X-Cron-Env: <HOME=/root>
X-Cron-Env: <PATH=/usr/bin:/bin>
X-Cron-Env: <LOGNAME=root>
X-Cron-Env: <USER=root>

Second email from script?

Code (Text):

User-Agent: Heirloom mailx 12.5 7/5/10

 

Yes, second email from script:

Code (Text):

cat -v /home/nginx/domains/_______/log/wp_updater-${DT}.log | /usr/bin/tr -cd '\11\12\15\40-\176' | sed -r "s/\x1B\[([0-9]{1,2}(;[0-9]{1,2})?)?[m|K]//g" | dos2unix | mail -r $EMAILFROM -s "Wordpress WP-CLI Auto Update $(date)" $EMAIL

 

or?

Code (Text):

> /dev/null 2>&1