LOG:Installing ncmpcpp on Pinguy 11.04

SYSTEM INFO:

DISTRIB_ID=Ubuntu
DISTRIB_RELEASE=11.04
DISTRIB_CODENAME=natty
DISTRIB_DESCRIPTION="Ubuntu 11.04"
2.6.38-9-generic


1. Added source path to /etc/apt/spources.list
	deb http://ftp.us.debian.org/debian wheezy main
2. Updated the packages
	sudo apt-get update
3. Installed ncmpcpp
	sudo apt-get install ncmpcpp

OUTPUT:
Reading package lists... Done
Building dependency tree
Reading state information... Done
The following extra packages will be installed:
  binutils cpp cpp-4.4 cpp-4.7 g++ g++-4.4 g++-4.7 gcc gcc-4.4 gcc-4.4-base gcc-4.7 gcc-4.7-base libc-bin libc-dev-bin libc6 libc6-dev libc6-i386 libgcc1 libgmp10 libgomp1 libitm1 libmpdclient2
  libmpfr4 libquadmath0 libstdc++6 libstdc++6-4.4-dev libstdc++6-4.7-dev libtinfo5 make pkg-config
Suggested packages:
  binutils-doc cpp-doc gcc-4.4-locales gcc-4.7-locales g++-multilib g++-4.4-multilib gcc-4.4-doc libstdc++6-4.4-dbg g++-4.7-multilib gcc-4.7-doc libstdc++6-4.7-dbg gcc-multilib autoconf
  automake1.9 libtool flex bison gcc-doc gcc-4.4-multilib libmudflap0-4.4-dev libgcc1-dbg libgomp1-dbg libmudflap0-dbg gcc-4.7-multilib libmudflap0-4.7-dev libitm1-dbg libquadmath0-dbg
  binutils-gold glibc-doc libstdc++6-4.4-doc libstdc++6-4.7-doc make-doc mpd
The following packages will be REMOVED:
  g++-4.5 gcc-4.5 gcj-4.4-base gcj-4.4-jre-lib libgcj10 libstdc++6-4.5-dev
The following NEW packages will be installed:
  cpp-4.7 g++-4.7 gcc-4.7 gcc-4.7-base libgmp10 libitm1 libmpdclient2 libquadmath0 libstdc++6-4.7-dev libtinfo5 ncmpcpp
The following packages will be upgraded:
  binutils cpp cpp-4.4 g++ g++-4.4 gcc gcc-4.4 gcc-4.4-base libc-bin libc-dev-bin libc6 libc6-dev libc6-i386 libgcc1 libgomp1 libmpfr4 libstdc++6 libstdc++6-4.4-dev make pkg-config
20 upgraded, 11 newly installed, 6 to remove and 1521 not upgraded.
Need to get 57.1 MB of archives.
After this operation, 43.5 MB disk space will be freed.
Do you want to continue [Y/n]? y
WARNING: The following packages cannot be authenticated!
  gcc-4.7-base libc6-i386 libc-dev-bin libgmp10 libmpfr4 g++-4.4 libstdc++6-4.4-dev cpp-4.4 gcc-4.4-base gcc-4.4 cpp-4.7 cpp libstdc++6 binutils libgcc1 libgomp1 libitm1 libquadmath0 gcc-4.7 gcc
  libstdc++6-4.7-dev g++-4.7 g++ make pkg-config libc6-dev libc-bin libc6 libtinfo5 libmpdclient2 ncmpcpp
Install these packages without verification [y/N]? y
Get:1 http://ftp.us.debian.org/debian/ wheezy/main gcc-4.7-base amd64 4.7.2-5 [144 kB]
Get:2 http://ftp.us.debian.org/debian/ wheezy/main libc6-i386 amd64 2.13-38+deb7u8 [4,022 kB]