Orange pi Crashes

i did some experiments today, i tested 2 Orange pi with the same image debian buster in the lastest version. i put a script on both that reported the execution time of a function and the date, one is running smoothy, the other crashes the orange, the bottom is the log what caught exactly at the time it caught, could someone help me understand it?

Mar 19 09:25:01 localhost CRON[1657]: (root) CMD (command -v debian-sa1 > /dev/null && debian-sa1 1 1)
Mar 19 09:30:01 localhost CRON[1702]: (root) CMD (/usr/lib/armbian/armbian-truncate-logs)
Mar 19 09:31:52 localhost systemd[1]: Stopped target Timers.
Mar 19 09:31:52 localhost systemd[1]: Stopped Message of the Day.
Mar 19 09:31:52 localhost systemd[1]: Stopped Discard unused blocks once a week.
Mar 19 09:31:52 localhost systemd[1]: Stopping User Manager for UID 0...
Mar 19 09:31:52 localhost systemd[1]: Stopped Daily apt upgrade and clean activities.
Mar 19 09:31:52 localhost systemd[1]: Stopped Daily apt download activities.
Mar 19 09:31:52 localhost systemd[1]: Closed Load/Save RF Kill Switch Status /dev/rfkill Watch.
Mar 19 09:31:52 localhost systemd[1]: Stopping Session 2 of user root.
Mar 19 09:31:52 localhost systemd[1]: Stopped target Graphical Interface.
Mar 19 09:31:52 localhost systemd[1]: Stopped target Multi-User System.
Mar 19 09:31:52 localhost systemd[1]: Stopped target Login Prompts.
Mar 19 09:31:52 localhost systemd[1419]: Stopped target Default.
Mar 19 09:31:52 localhost systemd[1419]: Stopped target Basic System.
Mar 19 09:31:52 localhost systemd[1419]: Stopped target Timers.
Mar 19 09:31:52 localhost systemd[1419]: Stopped target Sockets.
Mar 19 09:31:52 localhost systemd[1419]: Closed GnuPG cryptographic agent (ssh-agent emulation).
Mar 19 09:31:52 localhost systemd[1419]: Closed GnuPG cryptographic agent and passphrase cache.
Mar 19 09:31:52 localhost systemd[1419]: Stopped target Paths.
Mar 19 09:31:52 localhost systemd[1419]: Closed GnuPG cryptographic agent and passphrase cache (access for web browsers).
Mar 19 09:31:52 localhost systemd[1419]: Closed GnuPG cryptographic agent and passphrase cache (restricted).
Mar 19 09:31:52 localhost systemd[1419]: Closed GnuPG network certificate management daemon.
Mar 19 09:31:52 localhost systemd[1419]: Reached target Shutdown.
Mar 19 09:31:52 localhost systemd[1419]: Starting Exit the Session...
Mar 19 09:31:52 localhost systemd[1]: Stopping Serial Getty on ttyS0...
Mar 19 09:31:52 localhost systemd[1]: Stopping Getty on tty1...
Mar 19 09:31:52 localhost systemd[1419]: Received SIGRTMIN+24 from PID 1731 (kill).
Mar 19 09:31:52 localhost systemd[1]: Stopping Serial Getty on ttyGS0...
Mar 19 09:31:52 localhost systemd[1]: Stopping Unattended Upgrades Shutdown...
Mar 19 09:31:52 localhost chronyd[898]: chronyd exiting
Mar 19 09:31:52 localhost systemd[1]: Stopping chrony, an NTP client/server...
Mar 19 09:31:52 localhost systemd[1]: Stopping LSB: Advanced IEEE 802.11 management daemon...
Mar 19 09:31:52 localhost systemd[1]: Stopped Resets System Activity Data Collector.

this is the file that kept running

and this is the one that caught