also try in a LXC container; with a Debian Buster ARM64…
admin@myCRO:~/crowdsec-v1.1.1$ sudo ./wizard.sh -i
INFO[07/12/2021:02:08:21 PM] crowdsec_wizard: checking if crowdsec is installed
INFO[07/12/2021:02:08:21 PM] crowdsec_wizard: installing crowdsec
ERR[07/12/2021:02:08:24 PM] crowdsec_wizard: fail to update crowdsec hub. exiting
INFO[07/12/2021:02:08:45 PM] crowdsec_wizard: using journald for 'sshd'
INFO[07/12/2021:02:08:46 PM] crowdsec_wizard: acquisition file path: /etc/crowdsec/acquis.yaml
./wizard.sh: line 218: /usr/local/bin/cscli: cannot execute binary file: Exec format error
ERR[07/12/2021:02:08:51 PM] crowdsec_wizard: fail to install collection crowdsec/whitelists
./wizard.sh: line 644: /usr/local/bin/cscli: cannot execute binary file: Exec format error
FATA[07/12/2021:02:09:12 PM] crowdsec_wizard: unable to add machine to the local API