Update custodian to error if the process fails
Update custodian to error if the process fails

Use the Popen return code to throw an error if the subprocess fails in a way that the error handles don't catch
specter119/custodian,materialsproject/custodian,materialsproject/custodian,materialsproject/custodian,specter119/custodian,specter119/custodian,xhqu1981/custodian