The disk contains an unclean file system (0, 0).
Metadata kept in Windows cache, refused to mount.
Failed to mount '/dev/sda1': Operation not permitted
The NTFS partition is in an unsafe state. Please resume and shutdown
Windows fully (no hibernation or fast restarting), or mount the volume
read-only with the 'ro' mount option.
mount: mounting /dev/sda1 on /cdrom failed: No such device
Windows is hibernated, refused to mount.
Failed to mount '/dev/sda4': Operation not permitted
The NTFS partition is in an unsafe state. Please resume and shutdown
Windows fully (no hibernation or fast restarting), or mount the volume
read-only with the 'ro' mount option.
mount: mounting /dev/sda4 on /cdrom failed: No such device
Generating locales...
  en_US.UTF-8... done
Generation complete.
pwconv: failed to change the mode of /etc/passwd- to 0600
Using CD-ROM mount point /cdrom/
Identifying... [d9e2398d67b8c889853ca0df359926e5-2]
Scanning disc for index files...
Found 3 package indexes, 0 source indexes, 1 translation indexes and 1 signatures
Found label 'Ubuntu 15.10 _Wily Werewolf_ - Release amd64 (20151021)'
This disc is called: 
'Ubuntu 15.10 _Wily Werewolf_ - Release amd64 (20151021)'
Copying package lists...gpgv: Signature made Wed Oct 21 16:17:25 2015 UTC using DSA key ID FBB75451
gpgv: Good signature from "Ubuntu CD Image Automatic Signing Key <cdimage@ubuntu.com>"

Reading Package Indexes... 0%

Reading Package Indexes... 1%

Reading Package Indexes... Done

Reading Translation Indexes... 0%

Reading Translation Indexes... Done
Writing new source list
Source list entries for this disc are:
deb cdrom:[Ubuntu 15.10 _Wily Werewolf_ - Release amd64 (20151021)]/ jessie main
deb cdrom:[Ubuntu 15.10 _Wily Werewolf_ - Release amd64 (20151021)]/ wily main restricted
Repeat this process for the rest of the CDs in your set.