Except as otherwise provided in sections 429.440 to 429.540, all actions to enforce any lien under section 429.440, shall be governed in all respects by sections 429.170 to 429.250 which relate to actions for the enforcement of mechanics’ liens; but no personal judgment shall be rendered for the amount of the indebtedness for which the lien is prosecuted in any such action except as against such defendants as might be sued thereon in an ordinary action at law.