carbon: handle creation errors
carbon: handle creation errors

criteo/biggraphite,criteo/biggraphite,iksaif/biggraphite,Thib17/biggraphite,dpanth3r/biggraphite,Thib17/biggraphite,criteo/biggraphite,iksaif/biggraphite,Thib17/biggraphite,iksaif/biggraphite,criteo/biggraphite,Thib17/biggraphite,iksaif/biggraphite