Display benchmark and setup_cache exit codes
Display benchmark and setup_cache exit codes

This can make debugging of crashes easier.

spacetelescope/asv,airspeed-velocity/asv,qwhelan/asv,qwhelan/asv,airspeed-velocity/asv,spacetelescope/asv,airspeed-velocity/asv,qwhelan/asv,qwhelan/asv,airspeed-velocity/asv,spacetelescope/asv,spacetelescope/asv