In project_build, If there is an error while running an external program with Expect, exit project_build with an error message.
In project_build, If there is an error while running an external program with
Expect, exit project_build with an error message.



Former-commit-id: d8b4b9775a7c2adfd410cccf1eec6f30c1a9f253
julie-sullivan/phytomine,julie-sullivan/phytomine,julie-sullivan/phytomine,julie-sullivan/phytomine,julie-sullivan/phytomine,julie-sullivan/phytomine,julie-sullivan/phytomine