roadkill's unstoppable copier library issue

gistfile1.txt

adam@natas:~/Downloads/applications$ unstopcp&
[1] 5792
adam@natas:~/Downloads/applications$ unstopcp: error while loading shared libraries: libqt-mt.so.3: wrong ELF class: ELFCLASS64
^C
[1]+  Exit 127                unstopcp
adam@natas:~/Downloads/applications$ sudo getlibs -l libqt-mt
[sudo] password for adam: 
Reading package lists... Done
Building dependency tree       
Reading state information... Done
ia32-libs is already the newest version.
The following package was automatically installed and is no longer required:
  libtracker-sparql-0.14-0
Use 'apt-get autoremove' to remove it.
0 upgraded, 0 newly installed, 0 to remove and 0 not upgraded.
libqt-mt: libqt3-mt
The following i386 packages will be installed:
libqt3-mt
Continue [Y/n]? y
libqt3-mt was not found in your repositories
Make sure you have all repositories enabled and updated
No packages to install
adam@natas:~/Downloads/applications$