Description of problem:

When the composer-cli compose start-ostree command is executed as root user in CentOS Stream 8 VM fails showing the following error:
FileNotFoundError: [Errno 2] No such file or directory: '/run/osbuild/bin/org.osbuild.rpm': '/run/osbuild/bin/org.osbuild.rpm'

Version-Release number of selected component (if applicable):
+ source /etc/os-release
++ NAME='CentOS Stream'
++ VERSION=8
++ ID=centos
++ ID_LIKE='rhel fedora'
++ VERSION_ID=8
++ PLATFORM_ID=platform:el8
++ PRETTY_NAME='CentOS Stream 8'
++ ANSI_COLOR='0;31'
++ CPE_NAME=cpe:/o:centos:centos:8
++ HOME_URL=https://centos.org/
++ BUG_REPORT_URL=https://bugzilla.redhat.com/
++ REDHAT_SUPPORT_PRODUCT='Red Hat Enterprise Linux 8'
++ REDHAT_SUPPORT_PRODUCT_VERSION='CentOS Stream'

------------------------------------------------------------------------------
CI MACHINE SPECS
------------------------------------------------------------------------------
Hostname: mcattamo-cs8-test-3
User: centos
CPUs: 4
RAM: 7763 MB
DISK: 60 GB
ARCH: x86_64
KERNEL: 4.18.0-358.el8.x86_64
------------------------------------------------------------------------------

How reproducible:
100%

Steps to Reproduce:
1.Execute as root
+ sudo composer-cli --json compose start-ostree --ref centos/8/x86_64/edge container edge-container
2.
3.

Actual results:
Compose fails showing this output log
[centos@mcattamo-cs8-test-3 rhel-edge]$ cat osbuild-centos-8-ng-b8234117-a09c-4bbf-b818-57c8dbdc207b.log
Pipeline build
Stage org.osbuild.rpm
Output:
[/usr/lib/tmpfiles.d/httpd.conf:1] Unknown group 'apache'.
[/usr/lib/tmpfiles.d/httpd.conf:2] Unknown user 'apache'.
[/usr/lib/tmpfiles.d/journal-nocow.conf:26] Failed to resolve specifier: uninitialized /etc detected, skipping
All rules containing unresolvable specifiers will be skipped.
[/usr/lib/tmpfiles.d/rpcbind.conf:2] Unknown user 'rpc'.
[/usr/lib/tmpfiles.d/setroubleshoot.conf:1] Unknown user 'setroubleshoot'.
Failed to create file /sys/fs/selinux/checkreqprot: Read-only file system
Traceback (most recent call last):
File "/run/osbuild/lib/osbuild/api.py", line 190, in exception_handler
yield
File "/run/osbuild/lib/runners/org.osbuild.centos8", line 78, in main
check=False)
File "/usr/lib64/python3.6/subprocess.py", line 423, in run
with Popen(*popenargs, **kwargs) as process:
File "/usr/lib64/python3.6/subprocess.py", line 729, in _init_
restore_signals, start_new_session)
File "/usr/lib64/python3.6/subprocess.py", line 1364, in _execute_child
raise child_exception_type(errno_num, err_msg, err_filename)
FileNotFoundError: [Errno 2] No such file or directory: '/run/osbuild/bin/org.osbuild.rpm': '/run/osbuild/bin/org.osbuild.rpm'

Expected results:
Compose successfully built

Additional info: