See:

https://koji.fedoraproject.org/koji/taskinfo?taskID=32705790

DEBUG util.py:490:  BUILDSTDERR: 2019-02-10 06:13:23,182: Starting installer, one moment...
DEBUG util.py:490:  BUILDSTDERR: 2019-02-10 06:13:23,182: terminal size detection failed, using default width
DEBUG util.py:490:  BUILDSTDERR: 2019-02-10 06:13:23,182: anaconda 30.21-1.fc30 for Fedora-KDE-Live Rawhide (pre-release) started.
DEBUG util.py:490:  BUILDSTDERR: 2019-02-10 06:13:23,183: 06:13:23 Not asking for VNC because of an automated install
DEBUG util.py:490:  BUILDSTDERR: 2019-02-10 06:13:23,183: 06:13:23 Not asking for VNC because we don't have Xvnc
DEBUG util.py:490:  BUILDSTDERR: 2019-02-10 06:13:23,349: 
DEBUG util.py:490:  BUILDSTDERR: 2019-02-10 06:13:23,349: ** (process:35748): CRITICAL **: 06:13:23.349: The function 'bd_nvdimm_is_tech_avail' called, but not implemented!
DEBUG util.py:490:  BUILDSTDERR: 2019-02-10 06:13:23,375: Traceback (most recent call last):
DEBUG util.py:490:  BUILDSTDERR: 2019-02-10 06:13:23,376: File "/usr/sbin/anaconda", line 700, in <module>
DEBUG util.py:490:  BUILDSTDERR: 2019-02-10 06:13:23,376: ignore_nvdimm_blockdevs(ksdata.nvdimm)
DEBUG util.py:490:  BUILDSTDERR: 2019-02-10 06:13:23,376: File "/usr/lib64/python3.7/site-packages/pyanaconda/storage/utils.py", line 497, in ignore_nvdimm_blockdevs
DEBUG util.py:490:  BUILDSTDERR: 2019-02-10 06:13:23,376: ignored_nvdimm_devs = get_ignored_nvdimm_blockdevs(nvdimm_ksdata)
DEBUG util.py:490:  BUILDSTDERR: 2019-02-10 06:13:23,376: File "/usr/lib64/python3.7/site-packages/pyanaconda/storage/utils.py", line 474, in get_ignored_nvdimm_blockdevs
DEBUG util.py:490:  BUILDSTDERR: 2019-02-10 06:13:23,377: for ns_name, ns_info in nvdimm.namespaces.items():
DEBUG util.py:490:  BUILDSTDERR: 2019-02-10 06:13:23,377: File "/usr/lib/python3.7/site-packages/blivet/static_data/nvdimm.py", line 73, in namespaces
DEBUG util.py:490:  BUILDSTDERR: 2019-02-10 06:13:23,377: self.update_namespaces_info()
DEBUG util.py:490:  BUILDSTDERR: 2019-02-10 06:13:23,377: File "/usr/lib/python3.7/site-packages/blivet/util.py", line 1097, in decorated
DEBUG util.py:490:  BUILDSTDERR: 2019-02-10 06:13:23,377: raise self._exn_cls(self.error_msg)
DEBUG util.py:490:  BUILDSTDERR: 2019-02-10 06:13:23,377: blivet.errors.DependencyError: libblockdev NVDIMM functionality not available
DEBUG util.py:490:  BUILDSTDERR: 2019-02-10 06:13:23,460: Running anaconda failed: process '['anaconda', '--kickstart', '/chroot_tmpdir/koji-image-f30-build-32705790.ks', '--cmdline', '--loglevel', 'debug', '--dirinstall', '--remotelog', '127.0.0.1:54459']' exited with status 1
DEBUG util.py:490:  BUILDSTDERR: 2019-02-10 06:14:20,392: Install failed: novirt_install failed
DEBUG util.py:490:  BUILDSTDERR: 2019-02-10 06:14:20,392: Removing bad disk image
DEBUG util.py:490:  BUILDSTDERR: 2019-02-10 06:14:20,407: ERROR: Image creation failed: novirt_install failed
DEBUG util.py:490:  BUILDSTDERR: 2019-02-10 06:14:20,408: Image creation failed: novirt_install failed
DEBUG util.py:634:  Child return code was: 1
DEBUG util.py:228:  kill orphans

I untagged this version and the previous one to get rawhide composing.
It would be nice to fix this before making a new build.