Running...
apt-get --no-install-recommends install virtualbox-guest-utils
...inside the guest was enough to get it working for me. Unfortunately this turns the initial provisioning into a 2 step manual process as the failure to mount shared folders prevents the provisioning step running.
Running...
apt-get --no-install- recommends install virtualbox- guest-utils
...inside the guest was enough to get it working for me. Unfortunately this turns the initial provisioning into a 2 step manual process as the failure to mount shared folders prevents the provisioning step running.