openbsd, rclone, crontab

[hd77]

hello

as root, I add a such line in crontab :
*/5 * * * * echo "aa" >> /tmp/aaa

obviously, it works.
now I just replace the echo.... part with the following one :
*/4 * * * * /usr/local/bin/rclone sync -P --no-check-certificate -P --exclude ".*/**" /home/test/abc/ remote:/abc/

(".*/**" allows to take files and subdir into the dir, without the .hidden files/folders)


it doesnt works, rclone doesnt launches. If I do exactly that command just in term, by copy/paste, it works. Only under crontab, it doesnt..

how could I solve this?