This resembles nothing so much as a “developing country” shipbreaking operation:
For all I know, the ants haul the carcass into position, blow the scuttling charges to loosen the armor, and sink it in a convenient spot on the driveway:
The hulk vanished later in the day.
This is the season for staghorn beetles; the one we spotted a few years ago was in much better condition.
The Smell of Molten Projects in the Morning 