they had been up all night , chivvying their troops into some form of rough order , keeping back the rank and file from the worst excesses of looting , hurriedly surveying the abandoned outposts at the old french lines , and tallying the unexpected bounty of provisions and ammunition left for them by the fort 's defenders-four of whom had been found when the fort was stormed , dead drunk by the side of a primed cannon , trained on the bridge below .