crontab message "must be privileged to use -u"

[Stephen Carrier]

On Wed, Mar 18, 2020 at 10:54:51PM +0300, Andrey Repin wrote:
> Greetings, All!
> 
> I'm trying to use Cygwin's cron, but have a small issue:
> 
> # crontab -u 18 -l
> must be privileged to use -u
> 
> Is there a way around the problem?
> I'm in an elevated shell, but it seems crontab is doing a dumb POSIX check for
> EUID=0.

For me the way around this has been to view (or edit) directly the file
in /var/cron/tabs.  If you edit the file, cron needs to be restarted.

Stephen