Comment 5 for bug 114476

you have the feisty repositories for the binary packages but you still have the edgy repositories for the source packages.
You should change all instances of edgy in your source.list file to feisty.

In fact I learned there is an easier way to have the packages with debugging information than to compile from source. Follow the instruction here:
https://wiki.ubuntu.com/DebuggingProgramCrash
to install nautilus-sendto-dbgsym and create a backtrace and a valgrind report.