Error installing driver "Facebook"

[falconz]

I install driver facebook and get error, help me to fix issue please, thanks!

php artisan botman:install-driver facebook

Installing driver "Facebook"
Do not run Composer as root/super user! See https://getcomposer.org/root for details

Using version ^1.9 for botman/driver-facebook

./composer.json has been updated

Loading composer repositories with package information

Updating dependencies (including require-dev)

Killed

Error installing driver "Facebook"