(Reading database ... 16079 files and directories currently installed.)
Preparing to unpack .../libparted2_3.2-14ubuntu1_i386.deb ...
Unpacking libparted2:i386 (3.2-14ubuntu1) ...
Selecting previously unselected package parted.
Preparing to unpack .../parted_3.2-14ubuntu1_i386.deb ...
Unpacking parted (3.2-14ubuntu1) ...
Processing triggers for libc-bin (2.21-0ubuntu5) ...
Setting up libparted2:i386 (3.2-14ubuntu1) ...
Setting up parted (3.2-14ubuntu1) ...
Processing triggers for libc-bin (2.21-0ubuntu5) ...
+ parted binary/boot/disk.ext4 --script -- mklabel msdos
+ ROOTPART=1
+ '[' -n '' ']'
+ create_empty_partition binary/boot/disk.ext4 1 1 -1
+ local disk=binary/boot/disk.ext4
+ local part=1
+ local start=1
+ local end=-1
./config/hooks/032-disk-image.binary: line 30: $5: unbound variable
E: config/hooks/032-disk-image.binary failed (exit non-zero). You should check for errors.
P: Begin unmounting filesystems...
P: Saving caches...
Reading package lists...
Building dependency tree...
Reading state information...
P: Begin unmounting filesystems...
P: Saving caches...
Reading package lists...
Building dependency tree...
Reading state information...
Traceback (most recent call last):