Task scheduled as a cronjob not executing

Question

On my Macos 11.6.1, I want to execute a script 'task1.zsh' with the following content

#!/bin/zsh
/usr/bin/touch /Users/user/Documents/cronjobs/hello.txt
echo hello >> /Users/user/Documents/cronjobs/hello.txt

the file task1.zsh has the following permissions:

-rwxr-x--x   1 user  staff   116B Jun 18 00:15 task1.zsh*

I inserted the following task with cronjob (with the following output of the command crontab -l:

* * * * * /Users/user/Documents/cronjobs/task1.zsh

with this cronjob, however the file "hello.txt" is not created nor populated. I also tried to replace

* * * * * /Users/user/Documents/cronjobs/task1.zsh

by:

* * * * * cd /Users/user/Documents/cronjobs/ && ./task1.zsh

as well as

* * * * * /bin/zsh /Users/user/Documents/cronjobs/task1.zsh

or

* * * * * cd /Users/user/Documents/cronjobs /bin/zsh task1.zsh

without success.

However If I had the following other task to the cronjob list:

* * * * * cd /Users/user/Documents/cronjobs && /bin/zsh task1.zsh
* * * * * cd /Users/user/Documents/cronjobs && echo check >> cron1.log

the file cron1.log gets created and gets populated by the string "check" (but the file hello.txt does not get created nor populated)

What am I doing wrong?

N.B. I originally asked the question on the main stackoverflow website (https://stackoverflow.com/questions/76499197/task-scheduled-as-a-cronjob-not-executing?noredirect=1#comment134921903_76499197) and I was advised to post the question on Ask Different.

EDIT 1

I replaced :

* * * * * cd /Users/user/Documents/cronjobs && /bin/zsh task1.zsh
* * * * * cd /Users/user/Documents/cronjobs && echo check >> cron1.log

* * * * * cd /Users/user/Documents/cronjobs && /bin/zsh task1.zsh
* * * * * echo “Hello” >> /Users/user/Documents/cronjobs/hello.txt

and indeed it worked

SOLUTION

As mentionned in the comment I went to Security and Privacy and granted full disk access to cron and it worked according to Crontab Operation not permitted