*  INFO:  -bash -- Version 2014.03.10-1

 *  INFO: System Information:
 *  INFO:   CPU:          GenuineIntel
 *  INFO:   CPU Arch:     x86_64
 *  INFO:   OS Name:      Linux
 *  INFO:   OS Version:   2.6.32-5-amd64
 *  INFO:   Distribution: Debian 6.0

 *  INFO: Installing minion
 *  INFO: Found function install_debian_6_deps
 *  INFO: Found function install_debian_6_stable
 *  INFO: Found function install_debian_restart_daemons
 *  INFO: Found function daemons_running
 *  INFO: Found function install_debian_check_services
 *  INFO: Running install_debian_6_deps()
OK
Hit http://security.debian.org squeeze/updates Release.gpg
Ign http://security.debian.org/ squeeze/updates/main Translation-en
Ign http://security.debian.org/ squeeze/updates/main Translation-en_US
Hit http://debian.saltstack.com squeeze-saltstack Release.gpg
Ign http://debian.saltstack.com/debian/ squeeze-saltstack/main Translation-en
Ign http://debian.saltstack.com/debian/ squeeze-saltstack/main Translation-en_US
Hit http://security.debian.org squeeze/updates Release
Hit http://debian.saltstack.com squeeze-saltstack Release
Hit http://security.debian.org squeeze/updates/main amd64 Packages
Get:1 http://backports.debian.org squeeze-backports Release.gpg [836 B]
Hit http://backports.debian.org/debian-backports/ squeeze-backports/main Translation-en
Ign http://backports.debian.org/debian-backports/ squeeze-backports/main Translation-en_US
Ign http://debian.saltstack.com squeeze-saltstack/main amd64 Packages
Ign http://debian.saltstack.com squeeze-saltstack/main amd64 Packages
Get:2 http://backports.debian.org squeeze-backports Release [109 kB]
Hit http://debian.saltstack.com squeeze-saltstack/main amd64 Packages
Ign http://backports.debian.org squeeze-backports Release
Ign http://backports.debian.org squeeze-backports/main amd64 Packages/DiffIndex
Hit http://backports.debian.org squeeze-backports/main amd64 Packages
Hit http://ftp.us.debian.org squeeze Release.gpg
Ign http://ftp.us.debian.org/debian/ squeeze/main Translation-en
Ign http://ftp.us.debian.org/debian/ squeeze/main Translation-en_US
Hit http://ftp.us.debian.org squeeze Release
Hit http://ftp.us.debian.org squeeze/main amd64 Packages
Fetched 837 B in 21s (39 B/s)
Reading package lists...
W: GPG error: http://backports.debian.org squeeze-backports Release: The following signatures couldn't be verified because the public key is not available: NO_PUBKEY 8B48AD6246925553
Reading package lists...
Building dependency tree...
Reading state information...
The following extra packages will be installed:
  libpgm-5.1-0 libzmq3
The following NEW packages will be installed:
  libpgm-5.1-0 libzmq3 python-zmq
0 upgraded, 3 newly installed, 0 to remove and 73 not upgraded.
Need to get 787 kB of archives.
After this operation, 1,992 kB of additional disk space will be used.
WARNING: The following packages cannot be authenticated!
  libpgm-5.1-0
E: There are problems and -y was used without --force-yes
 * ERROR: Failed to run install_debian_6_deps()!!!