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Unpacking libcupsppdc1:amd64 (2.0.2-1ubuntu3.1) over (2.0.2-1ubuntu3) ...
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Unpacking libcupsmime1:amd64 (2.0.2-1ubuntu3.1) over (2.0.2-1ubuntu3) ...
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Unpacking libcupsimage2:amd64 (2.0.2-1ubuntu3.1) over (2.0.2-1ubuntu3) ...
Preparing to unpack .../libcupscgi1_2.0.2-1ubuntu3.1_amd64.deb ...
Unpacking libcupscgi1:amd64 (2.0.2-1ubuntu3.1) over (2.0.2-1ubuntu3) ...
Preparing to unpack .../cups-core-drivers_2.0.2-1ubuntu3.1_amd64.deb ...
Unpacking cups-core-drivers (2.0.2-1ubuntu3.1) over (2.0.2-1ubuntu3) ...
Preparing to unpack .../cups-server-common_2.0.2-1ubuntu3.1_all.deb ...
Unpacking cups-server-common (2.0.2-1ubuntu3.1) over (2.0.2-1ubuntu3) ...
Preparing to unpack .../cups-common_2.0.2-1ubuntu3.1_all.deb ...
Unpacking cups-common (2.0.2-1ubuntu3.1) over (2.0.2-1ubuntu3) ...
Preparing to unpack .../cups-ppdc_2.0.2-1ubuntu3.1_amd64.deb ...
Unpacking cups-ppdc (2.0.2-1ubuntu3.1) over (2.0.2-1ubuntu3) ...
Preparing to unpack .../cups-daemon_2.0.2-1ubuntu3.1_amd64.deb ...
Warning: Stopping cups.service, but it can still be activated by:
  cups.socket
Unpacking cups-daemon (2.0.2-1ubuntu3.1) over (2.0.2-1ubuntu3) ...
Preparing to unpack .../cups-bsd_2.0.2-1ubuntu3.1_amd64.deb ...
Use of uninitialized value $reply in scalar chomp at /usr/share/perl5/Debconf/FrontEnd/Passthrough.pm line 66.
Use of uninitialized value $reply in concatenation (.) or string at /usr/share/perl5/Debconf/FrontEnd/Passthrough.pm line 67.
Use of uninitialized value $reply in split at /usr/share/perl5/Debconf/FrontEnd/Passthrough.pm line 68.
Unpacking cups-bsd (2.0.2-1ubuntu3.1) over (2.0.2-1ubuntu3) ...
Preparing to unpack .../cups-client_2.0.2-1ubuntu3.1_amd64.deb ...
Unpacking cups-client (2.0.2-1ubuntu3.1) over (2.0.2-1ubuntu3) ...
Preparing to unpack .../libcups2_2.0.2-1ubuntu3.1_amd64.deb ...
Unpacking libcups2:amd64 (2.0.2-1ubuntu3.1) over (2.0.2-1ubuntu3) ...
Preparing to unpack .../cups_2.0.2-1ubuntu3.1_amd64.deb ...
Unpacking cups (2.0.2-1ubuntu3.1) over (2.0.2-1ubuntu3) ...
Preparing to unpack .../google-chrome-stable_43.0.2357.124-1_amd64.deb ...
Unpacking google-chrome-stable (43.0.2357.124-1) over (43.0.2357.81-1) ...
Preparing to unpack .../libgtk-3-common_3.14.13-0ubuntu1_all.deb ...
Unpacking libgtk-3-common (3.14.13-0ubuntu1) over (3.14.12-0ubuntu2) ...
Preparing to unpack .../libgail-3-0_3.14.13-0ubuntu1_amd64.deb ...
Unpacking libgail-3-0:amd64 (3.14.13-0ubuntu1) over (3.14.12-0ubuntu2) ...
Preparing to unpack .../libgtk-3-0_3.14.13-0ubuntu1_amd64.deb ...
Unpacking libgtk-3-0:amd64 (3.14.13-0ubuntu1) over (3.14.12-0ubuntu2) ...
Selecting previously unselected package linux-image-3.19.0-20-generic.
Preparing to unpack .../linux-image-3.19.0-20-generic_3.19.0-20.20_amd64.deb ...
Use of uninitialized value $reply in scalar chomp at /usr/share/perl5/Debconf/FrontEnd/Passthrough.pm line 66.
Use of uninitialized value $reply in concatenation (.) or string at /usr/share/perl5/Debconf/FrontEnd/Passthrough.pm line 67.
Use of uninitialized value $reply in split at /usr/share/perl5/Debconf/FrontEnd/Passthrough.pm line 68.
Use of uninitialized value $reply in scalar chomp at /usr/share/perl5/Debconf/FrontEnd/Passthrough.pm line 66.
Use of uninitialized value $reply in concatenation (.) or string at /usr/share/perl5/Debconf/FrontEnd/Passthrough.pm line 67.
Use of uninitialized value $reply in split at /usr/share/perl5/Debconf/FrontEnd/Passthrough.pm line 68.
Use of uninitialized value $reply in scalar chomp at /usr/share/perl5/Debconf/FrontEnd/Passthrough.pm line 66.
Use of uninitialized value $reply in concatenation (.) or string at /usr/share/perl5/Debconf/FrontEnd/Passthrough.pm line 67.
Use of uninitialized value $reply in split at /usr/share/perl5/Debconf/FrontEnd/Passthrough.pm line 68.
Use of uninitialized value $ret in string eq at /usr/share/perl5/Debconf/FrontEnd/Passthrough.pm line 109.
Done.
dpkg: error processing archive /var/cache/apt/archives/linux-image-3.19.0-20-generic_3.19.0-20.20_amd64.deb (--unpack):
 subprocess new pre-installation script returned error exit status 128