I just tested this on an up to date system and while the error is different, the bug still applies, because you can't run snaps as guest.
2016/11/24 00:15:12.522919 main.go:239: WARNING: cannot create syslog logger internal error, please report: running "mame" failed: cannot list snaps: cannot communicate with server: Get http://localhost/v2/snaps: dial unix /run/snapd-snap.socket: connect: permission denied
I just tested this on an up to date system and while the error is different, the bug still applies, because you can't run snaps as guest.
2016/11/24 00:15:12.522919 main.go:239: WARNING: cannot create syslog logger localhost/ v2/snaps: dial unix /run/snapd- snap.socket: connect: permission denied
internal error, please report: running "mame" failed: cannot list snaps: cannot communicate with server: Get http://