Fetched 1073 kB in 6s (163 kB/s) Reading package lists...

E: 10mount: umount: /var/lib/schroot/mount/click-ubuntu-sdk-14.10-armhf-c549e4e7-8eba-41b0-8970-2d761b1c5c9b/home/alex: target is busy E: 10mount: (In some cases useful info about processes that E: 10mount: use the device is found by lsof(8) or fuser(1).)  E: click-ubuntu-sdk-14.10-armhf-c549e4e7-8eba-41b0-8970-2d761b1c5c9b: Chroot setup failed: stage=setup-stop Command returned 1: schroot -u root -c source:click-ubuntu-sdk-14.10-armhf -- apt-get update --yes 
---Click exited with errors, please check the output-