cubicweb-worker #4881257 [subprocess] protect against crashes in the perform script [validation pending]

prioritynormal
typeenhancement
done in3.2.0
load0.300
load left0.000
closed by#e194721dbf4f [entities] propagate subprocess failure to the task status
patch[entities] propagate subprocess failure to the task status [applied][script/perform] protect against byzantine failures [applied]