Hi,I'm not sure this is an installer bug as 3D acceleration it's a requirement for GNOME3 [1] and your virtual machine don't has direct rendering.
1 - https://live.gnome.org/GnomeShell/FAQ#What_led_to_the_decision_to_make_3D_acceleration_a_requirement_for_GNOME_Shell.3F
-- Melhores cumprimentos/Best regards, Miguel Figueiredo