Build failure of network:osmocom:latest/osmo-gsm-manuals-debian8-jessie in Debian_9.0/x86_64

[OBS Notification]

Visit https://build.opensuse.org/package/live_build_log/network:osmocom:latest/osmo-gsm-manuals-debian8-jessie/Debian_9.0/x86_64

Package network:osmocom:latest/osmo-gsm-manuals-debian8-jessie failed to build in Debian_9.0/x86_64

Check out the package for editing:
  osc checkout network:osmocom:latest osmo-gsm-manuals-debian8-jessie

Last lines of build log:
[  197s] asciidoc: trx_if.adoc: line 143: evaluating: {counter2:target-number}
[  197s] asciidoc: trx_if.adoc: line 143: evaluating: {set2:target:test-usermanual__47.png}
[  197s] asciidoc: trx_if.adoc: line 152: filtering: packetdiag -o "/usr/src/packages/BUILD/tests/test-usermanual__47.png" -Tpng - && echo " "
[  197s] asciidoc: include: /usr/src/packages/BUILD/common/chapters/vty.adoc
[  198s] asciidoc: test-usermanual.adoc: line 30: reading: /usr/src/packages/BUILD/common/chapters/vty.adoc
[  198s] asciidoc: vty.adoc: line 64: evaluating: {counter:table-number}
[  198s] ../build/Makefile.asciidoc.inc:60: recipe for target 'test-usermanual.pdf' failed
[  198s] make[3]: *** [test-usermanual.pdf] Error 1
[  198s] make[3]: Leaving directory '/usr/src/packages/BUILD/tests'
[  198s] Makefile:438: recipe for target 'all-recursive' failed
[  198s] make[2]: *** [all-recursive] Error 1
[  198s] make[2]: Leaving directory '/usr/src/packages/BUILD'
[  198s] Makefile:362: recipe for target 'all' failed
[  198s] make[1]: *** [all] Error 2
[  198s] make[1]: Leaving directory '/usr/src/packages/BUILD'
[  198s] dh_auto_build: make -j1 returned exit code 2
[  198s] debian/rules:5: recipe for target 'binary' failed
[  198s] make: *** [binary] Error 2
[  198s] dpkg-buildpackage: error: fakeroot debian/rules binary gave error exit status 2
[  198s] 
[  198s] lamb12 failed "build osmo-gsm-manuals-dev_0.1.1.dsc" at Sat Jun  1 01:10:31 UTC 2019.
[  198s] 
[  198s] ### VM INTERACTION START ###
[  201s] [  187.956399] sysrq: SysRq : Power Off
[  201s] [  187.963376] reboot: Power down
[  201s] ### VM INTERACTION END ###
[  201s] 
[  201s] lamb12 failed "build osmo-gsm-manuals-dev_0.1.1.dsc" at Sat Jun  1 01:10:34 UTC 2019.
[  201s] 

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