1.99s2017-05-08 06:40:45 Error executing linode:ubuntu-core-16-64:tests/main/ubuntu-core-create-user : 
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+ '[' false = true ']'
+ echo 'Adding valid user'
Adding valid user
+ expected='created user "mvo"'
++ snap create-user --sudoer mvo@ubuntu.com
error: while creating user: cannot create user mvo: adduser failed with exit status 1: Adding user `mvo' ...
Adding new group `mvo' (1000) ...
ENTER EXTRAUSERS_GROUP_FILEEXIT EXTRAUSERS_GROUP_FILEENTER EXTRAUSERS_SHADOWGROUP_FILEEXIT EXTRAUSERS_SHADOWGROUP_FILEAdding new user `mvo' (1000) with group `mvo' ...
Creating home directory `/home/mvo' ...
Copying files from `/etc/skel' ...
/usr/bin/chfn: unrecognized option '--extrausers'
Usage: chfn [options] [LOGIN]
Options:
  -f, --full-name FULL_NAME     change user's full name
  -h, --home-phone HOME_PHONE   change user's home phone number
  -o, --other OTHER_INFO        change user's other GECOS information
  -r, --room ROOM_NUMBER        change user's room number
  -R, --root CHROOT_DIR         directory to chroot into
  -u, --help                    display this help message and exit
  -w, --work-phone WORK_PHONE   change user's office phone number
adduser: `/usr/bin/chfn --extrausers -f mvo@ubuntu.com -r xDPXBdB mvo' returned error code 2. Exiting.
+ output=