Build failure of network:osmocom:nightly/orcania in Raspbian_9.0/armv7l

[OBS Notification]

Visit https://build.opensuse.org/package/live_build_log/network:osmocom:nightly/orcania/Raspbian_9.0/armv7l

Package network:osmocom:nightly/orcania failed to build in Raspbian_9.0/armv7l

Check out the package for editing:
  osc checkout network:osmocom:nightly orcania

Last lines of build log:
[  103s] Processing triggers for man-db (2.7.6.1-2) ...
[  103s] [172/225] installing perl-5.24.1-3+deb9u5
[  103s] update-alternatives: using /usr/bin/prename to provide /usr/bin/rename (rename) in auto mode
[  103s] Processing triggers for man-db (2.7.6.1-2) ...
[  103s] [173/225] installing gnupg-2.1.18-8~deb9u4
[  103s] Processing triggers for man-db (2.7.6.1-2) ...
[  104s] [174/225] installing libcurl3-7.52.1-5+deb9u9
[  104s] Processing triggers for libc-bin (2.24-11+deb9u4) ...
[  104s] [175/225] installing libarchive-zip-perl-1.59-1+deb9u1
[  104s] Processing triggers for man-db (2.7.6.1-2) ...
[  104s] [176/225] installing libtimedate-perl-2.3000-2
[  104s] Processing triggers for man-db (2.7.6.1-2) ...
[  105s] [177/225] installing raspbian-archive-keyring-20120528.2
[  105s] /var/lib/dpkg/info/raspbian-archive-keyring.postinst: 8: /var/lib/dpkg/info/raspbian-archive-keyring.postinst: apt-key: not found
[  105s] dpkg: error processing package raspbian-archive-keyring (--install):
[  105s]  subprocess installed post-installation script returned error exit status 127
[  105s] Errors were encountered while processing:
[  105s]  raspbian-archive-keyring
[  105s] exit ...
[  105s] 
[  105s] armbuild19 failed "build orcania_1.2.9-5.dsc" at Thu Mar 14 20:56:27 UTC 2019.
[  105s] 
[  105s] ### VM INTERACTION START ###
[  108s] [   74.413077] sysrq: SysRq : Power Off
[  108s] [   74.415121] reboot: Power down
[  108s] ### VM INTERACTION END ###
[  108s] 
[  108s] armbuild19 failed "build orcania_1.2.9-5.dsc" at Thu Mar 14 20:56:31 UTC 2019.
[  108s] 

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