[roslaunch][INFO] 2016-01-15 19:37:07,812: Checking log directory for disk usage. This may take awhile.
Press Ctrl-C to interrupt
[roslaunch][INFO] 2016-01-15 19:37:07,815: roslaunch starting with args ['/snaps/face-detector.sideload/IKNQVeagEYCc/opt/ros/indigo/bin/roslaunch', 'face_detector', 'face_detector.launch']
[roslaunch][INFO] 2016-01-15 19:37:07,816: roslaunch env is {'ROS_DISTRO': 'indigo', 'ROSLISP_PACKAGE_DIRECTORIES': '', 'CPATH': '/snaps/face-detector.sideload/IKNQVeagEYCc/opt/ros/indigo/include:/home/sergiusens/source/github.com/ubuntu-core/snapcraft/face-detector-snap/parts/foo/install/opt/ros/indigo/include:/opt/ros/indigo/include', 'SNAP_APP_PATH': '/snaps/face-detector.sideload/IKNQVeagEYCc', 'TEMPDIR': '/tmp', 'PATH': '/snaps/face-detector.sideload/IKNQVeagEYCc/opt/ros/indigo/bin:/home/sergiusens/source/github.com/ubuntu-core/snapcraft/face-detector-snap/parts/foo/install/opt/ros/indigo/bin:/opt/ros/indigo/bin:/snaps/face-detector.sideload/IKNQVeagEYCc/bin:/snaps/face-detector.sideload/IKNQVeagEYCc/usr/bin:/usr/local/sbin:/usr/local/bin:/usr/sbin:/usr/bin:/sbin:/bin', 'CMAKE_PREFIX_PATH': '/snaps/face-detector.sideload/IKNQVeagEYCc/opt/ros/indigo:/home/sergiusens/source/github.com/ubuntu-core/snapcraft/face-detector-snap/parts/foo/install/opt/ros/indigo:/opt/ros/indigo', 'LD_LIBRARY_PATH': '/snaps/face-detector.sideload/IKNQVeagEYCc/opt/ros/indigo/lib:/snaps/face-detector.sideload/IKNQVeagEYCc/opt/ros/indigo/lib/x86_64-linux-gnu:/home/sergiusens/source/github.com/ubuntu-core/snapcraft/face-detector-snap/parts/foo/install/opt/ros/indigo/lib:/home/sergiusens/source/github.com/ubuntu-core/snapcraft/face-detector-snap/parts/foo/install/opt/ros/indigo/lib/x86_64-linux-gnu:/opt/ros/indigo/lib:/opt/ros/indigo/lib/x86_64-linux-gnu:/snaps/face-detector.sideload/IKNQVeagEYCc/usr/lib/x86_64-linux-gnu/mesa:/snaps/face-detector.sideload/IKNQVeagEYCc/lib:/snaps/face-detector.sideload/IKNQVeagEYCc/usr/lib:/snaps/face-detector.sideload/IKNQVeagEYCc/lib/x86_64-linux-gnu:/snaps/face-detector.sideload/IKNQVeagEYCc/usr/lib/x86_64-linux-gnu:', 'SNAP_ARCH': 'amd64', 'SNAP_APP_TMPDIR': '/tmp', 'SNAP_FULLNAME': 'face-detector.sideload', 'SNAP_APP': 'face-detector_face-detector_IKNQVeagEYCc', 'SNAP_ORIGIN': 'sideload', 'SNAP_APP_DATA_PATH': '/var/lib/snaps/face-detector.sideload/IKNQVeagEYCc', 'ROS_LOG_FILENAME': '/var/lib/snaps/face-detector.sideload/IKNQVeagEYCc/ros/log/5cfbe708-bbbf-11e5-8517-0090f5ccd32c/roslaunch-localhost.localdomain-3898.log', 'SNAP_DATA': '/var/lib/snaps/face-detector.sideload/IKNQVeagEYCc', 'ROS_HOME': '/var/lib/snaps/face-detector.sideload/IKNQVeagEYCc/ros', 'SNAP_VERSION': 'IKNQVeagEYCc', 'SNAPP_APP_TMPDIR': '/tmp', 'ROS_MASTER_URI': 'http://localhost:11311', 'LANG': 'C.UTF-8', 'SNAP_APP_USER_DATA_PATH': '//snaps/face-detector.sideload/IKNQVeagEYCc', 'PYTHONPATH': '/snaps/face-detector.sideload/IKNQVeagEYCc/opt/ros/indigo/lib/python2.7/dist-packages:/home/sergiusens/source/github.com/ubuntu-core/snapcraft/face-detector-snap/parts/foo/install/opt/ros/indigo/lib/python2.7/dist-packages:/opt/ros/indigo/lib/python2.7/dist-packages:/snaps/face-detector.sideload/IKNQVeagEYCc/usr/lib/python2.7/dist-packages', 'SNAP_USER_DATA': '//snaps/face-detector.sideload/IKNQVeagEYCc', 'ROS_ROOT': '/snaps/face-detector.sideload/IKNQVeagEYCc/opt/ros/indigo/share/ros', 'SNAP_NAME': 'face-detector', 'PKG_CONFIG_PATH': '/snaps/face-detector.sideload/IKNQVeagEYCc/opt/ros/indigo/lib/pkgconfig:/snaps/face-detector.sideload/IKNQVeagEYCc/opt/ros/indigo/lib/x86_64-linux-gnu/pkgconfig:/home/sergiusens/source/github.com/ubuntu-core/snapcraft/face-detector-snap/parts/foo/install/opt/ros/indigo/lib/pkgconfig:/home/sergiusens/source/github.com/ubuntu-core/snapcraft/face-detector-snap/parts/foo/install/opt/ros/indigo/lib/x86_64-linux-gnu/pkgconfig:/opt/ros/indigo/lib/pkgconfig:/opt/ros/indigo/lib/x86_64-linux-gnu/pkgconfig', 'ROS_PACKAGE_PATH': '/snaps/face-detector.sideload/IKNQVeagEYCc/opt/ros/indigo/share:/snaps/face-detector.sideload/IKNQVeagEYCc/opt/ros/indigo/stacks', 'FOO': 'BAR', 'TMPDIR': '/tmp', 'PWD': '/snaps/face-detector.sideload/IKNQVeagEYCc', 'ROS_ETC_DIR': '/snaps/face-detector.sideload/IKNQVeagEYCc/opt/ros/indigo/etc/ros', 'SNAP': '/snaps/face-detector.sideload/IKNQVeagEYCc'}
[roslaunch][INFO] 2016-01-15 19:37:07,816: starting in server mode
[roslaunch.parent][INFO] 2016-01-15 19:37:07,816: starting roslaunch parent run
[roslaunch][INFO] 2016-01-15 19:37:07,816: loading roscore config file /snaps/face-detector.sideload/IKNQVeagEYCc/opt/ros/indigo/etc/ros/roscore.xml
[roslaunch][ERROR] 2016-01-15 19:37:07,820: Invalid <param> tag: Cannot load command parameter [rosversion]: no such command [rosversion roslaunch].
Param xml is <param command="rosversion roslaunch" name="rosversion"/>
[roslaunch][ERROR] 2016-01-15 19:37:07,821: The traceback for the exception was written to the log file
[roslaunch][ERROR] 2016-01-15 19:37:07,821: Traceback (most recent call last):
File "/snaps/face-detector.sideload/IKNQVeagEYCc/opt/ros/indigo/lib/python2.7/dist-packages/roslaunch/__init__.py", line 307, in main
p.start()
File "/snaps/face-detector.sideload/IKNQVeagEYCc/opt/ros/indigo/lib/python2.7/dist-packages/roslaunch/parent.py", line 268, in start
self._start_infrastructure()
File "/snaps/face-detector.sideload/IKNQVeagEYCc/opt/ros/indigo/lib/python2.7/dist-packages/roslaunch/parent.py", line 217, in _start_infrastructure
self._load_config()
File "/snaps/face-detector.sideload/IKNQVeagEYCc/opt/ros/indigo/lib/python2.7/dist-packages/roslaunch/parent.py", line 132, in _load_config
roslaunch_strs=self.roslaunch_strs, verbose=self.verbose)
File "/snaps/face-detector.sideload/IKNQVeagEYCc/opt/ros/indigo/lib/python2.7/dist-packages/roslaunch/config.py", line 445, in load_config_default
load_roscore(loader, config, verbose=verbose)
File "/snaps/face-detector.sideload/IKNQVeagEYCc/opt/ros/indigo/lib/python2.7/dist-packages/roslaunch/config.py", line 94, in load_roscore
loader.load(f_roscore, config, core=True, verbose=verbose)
File "/snaps/face-detector.sideload/IKNQVeagEYCc/opt/ros/indigo/lib/python2.7/dist-packages/roslaunch/xmlloader.py", line 730, in load
self._load_launch(launch, ros_config, is_core=core, filename=filename, argv=argv, verbose=verbose)
File "/snaps/face-detector.sideload/IKNQVeagEYCc/opt/ros/indigo/lib/python2.7/dist-packages/roslaunch/xmlloader.py", line 702, in _load_launch
self._recurse_load(ros_config, launch.childNodes, self.root_context, None, is_core, verbose)
File "/snaps/face-detector.sideload/IKNQVeagEYCc/opt/ros/indigo/lib/python2.7/dist-packages/roslaunch/xmlloader.py", line 636, in _recurse_load
default_machine, is_core, verbose)
File "/snaps/face-detector.sideload/IKNQVeagEYCc/opt/ros/indigo/lib/python2.7/dist-packages/roslaunch/xmlloader.py", line 646, in _recurse_load
self._param_tag(tag, context, ros_config, verbose=verbose)
File "/snaps/face-detector.sideload/IKNQVeagEYCc/opt/ros/indigo/lib/python2.7/dist-packages/roslaunch/xmlloader.py", line 95, in call
return f(*args, **kwds)
File "/snaps/face-detector.sideload/IKNQVeagEYCc/opt/ros/indigo/lib/python2.7/dist-packages/roslaunch/xmlloader.py", line 279, in _param_tag
"Invalid <param> tag: %s. \n\nParam xml is %s"%(e, tag.toxml()))
XmlParseException: Invalid <param> tag: Cannot load command parameter [rosversion]: no such command [rosversion roslaunch].
Param xml is <param command="rosversion roslaunch" name="rosversion"/>
[rospy.core][INFO] 2016-01-15 19:37:07,821: signal_shutdown [atexit]