Missing "bash" is not reported as job log

[shiroyasha]

Example:

2019/07/23 09:33:01.882436 job.go:314: {"directive":"Pulling docker images...","event":"cmd_finished","exit_code":0,"finished_at":1563874381,"started_at":1563874377,"timestamp":1563874381}
2019/07/23 09:33:01.882441 docker_compose_executor.go:123: Starting stateful shell
2019/07/23 09:33:01.882727 docker_compose_executor.go:351: Waiting for initialization
2019/07/23 09:33:01.882739 docker_compose_executor.go:356: (tty) export PS1=''
2019/07/23 09:33:01.882744 docker_compose_executor.go:356: (tty) stty -echo
2019/07/23 09:33:01.882748 docker_compose_executor.go:356: (tty) echo stty `stty -g` > /tmp/restore-tty
2019/07/23 09:33:01.882751 docker_compose_executor.go:356: (tty) cd ~
2019/07/23 09:33:01.882755 docker_compose_executor.go:356: (tty) echo '87d140552e404df69f6472729d2b2c3'
2019/07/23 09:33:02.260709 docker_compose_executor.go:356: (tty) Creating network "tmp_default" with the default driver
2019/07/23 09:33:03.629848 docker_compose_executor.go:356: (tty) Error response from daemon: OCI runtime create failed: container_linux.go:345: starting container process caused "exec: \"bash\": executable file not found in $PATH": unknown
2019/07/23 09:33:03.668329 docker_compose_executor.go:362: Initialization complete

The Job log output should indicate that there is an issue.