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Processing triggers for man-db (2.7.5-1) ...
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Setting up pigz (2.3.1-2) ...
Setting up cgroupfs-mount (1.2) ...
Setting up runc (1.0.0~rc7+git20190403.029124da-0ubuntu1~16.04.4) ...
Setting up containerd (1.2.6-0ubuntu1~16.04.3) ...
Setting up docker (1.5-1) ...
Setting up python-cached-property (1.3.0-1) ...
Setting up python-backports.ssl-match-hostname (3.4.0.2-1) ...
Setting up python-websocket (0.18.0-2) ...
Setting up python-docker (1.9.0-1~16.04.1) ...
Setting up python-dockerpty (0.4.1-1~16.04.1) ...
Setting up python-docopt (0.6.2-1build1) ...
Setting up python-functools32 (3.2.3.2-2) ...
Setting up python-funcsigs (0.4-2) ...
Setting up python-pbr (1.8.0-4ubuntu1) ...
update-alternatives: using /usr/bin/python2-pbr to provide /usr/bin/pbr (pbr) in auto mode
Setting up python-mock (1.3.0-2.1ubuntu1) ...
Setting up python-jsonschema (2.5.1-4) ...
update-alternatives: using /usr/bin/python2-jsonschema to provide /usr/bin/jsonschema (jsonschema) in auto mode
Setting up python-texttable (0.8.1-1) ...
Setting up docker-compose (1.8.0-2~16.04.1) ...
Setting up docker.io (18.09.7-0ubuntu1~16.04.5) ...
Setting up ubuntu-fan (0.12.8~16.04.3) ...
Setting up docker-registry (2.3.0~ds1-1) ...
Adding system user `docker-registry' (UID 128) ...
Adding new group `docker-registry' (GID -1) ...
groupadd: invalid group ID '-1'
adduser: `/usr/sbin/groupadd -g -1 docker-registry' returned error code 3. Exiting.
dpkg: error processing package docker-registry (--configure):
 subprocess installed post-installation script returned error exit status 1