Any constable or sheriff to whom such warrant shall come shall forthwith execute the warrant and repair unto the place at the time therein mentioned and make return of the warrant, with his proceedings thereon, to the coroner that granted it. Every constable or sheriff failing to perform the duty by such warrant required of him or failing to return it as aforesaid shall forfeit and pay the sum of twenty dollars, if without reasonable excuse, to be recovered by action. Each and every person summoned and warned as aforesaid to be a juror and failing to appear and act as such juror shall also forfeit and pay the sum of twenty dollars, if without reasonable excuse, to be recovered by action.