$ sudo apt-get dist-upgrade -o Debug::pkgProblemResolver=true Debug::pkgDepCache::AutoInstall=true
Reading package lists... Done
Building dependency tree       
Reading state information... Done
Calculating upgrade... Starting
Starting 2
Investigating libgmime2.1
Package libgmime2.1 has broken dep on libgmime2
  Considering libgmime-2.0-2 1 as a solution to libgmime2.1 2
  Added libgmime-2.0-2 to the remove list
  Fixing libgmime2.1 via keep of libgmime-2.0-2
Investigating libgmime2.2-cil
Package libgmime2.2-cil has broken dep on libgmime-2.0-2
  Considering libgmime-2.0-2 1 as a solution to libgmime2.2-cil 2
  Holding Back libgmime2.2-cil rather than change libgmime-2.0-2
Investigating tomboy
Package tomboy has broken dep on libgmime2.2-cil
  Considering libgmime2.2-cil 2 as a solution to tomboy 1
  Holding Back tomboy rather than change libgmime2.2-cil
Investigating beagle
Package beagle has broken dep on libgmime2.2-cil
  Considering libgmime2.2-cil 2 as a solution to beagle 0
  Holding Back beagle rather than change libgmime2.2-cil
 Try to Re-Instate tomboy
 Try to Re-Instate beagle
Done
Done
The following packages have been kept back:
  beagle tomboy
0 upgraded, 0 newly installed, 0 to remove and 2 not upgraded.