The output of insync start --no-daemon is
Fontconfig error: “/etc/fonts/conf.d/10-scale-bitmap-fonts.conf”, line 72: non-double matrix element
Fontconfig error: “/etc/fonts/conf.d/10-scale-bitmap-fonts.conf”, line 72: non-double matrix element
Fontconfig warning: “/etc/fonts/conf.d/10-scale-bitmap-fonts.conf”, line 80: saw unknown, expected number
/usr/lib/insync/libstdc++.so.6: version `GLIBCXX_3.4.20’ not found (required by /usr/lib/x86_64-linux-gnu/libproxy.so.1)
Failed to load module: /usr/lib/x86_64-linux-gnu/gio/modules/libgiolibproxy.so
(insync:29342): GLib-GIO-CRITICAL **: g_dbus_connection_register_object: assertion ‘G_IS_DBUS_CONNECTION (connection)’ failed
(insync:29342): GLib-GIO-CRITICAL **: g_dbus_connection_register_object: assertion ‘G_IS_DBUS_CONNECTION (connection)’ failed
(insync:29342): GLib-GIO-CRITICAL **: g_dbus_connection_get_unique_name: assertion ‘G_IS_DBUS_CONNECTION (connection)’ failed
(insync:29342): GLib-GIO-CRITICAL **: g_dbus_connection_register_object: assertion ‘G_IS_DBUS_CONNECTION (connection)’ failed
(insync:29342): GLib-GIO-CRITICAL **: g_dbus_connection_register_object: assertion ‘G_IS_DBUS_CONNECTION (connection)’ failed
(insync:29342): GLib-GIO-CRITICAL **: g_dbus_connection_get_unique_name: assertion ‘G_IS_DBUS_CONNECTION (connection)’ failed