Resolving dependencies...
cabal: Could not resolve dependencies:
next goal: hxournal (user goal)
rejecting: hxournal-0.6.6.1, 0.6.6, 0.6.5.0, 0.6.5, 0.6.4.3, 0.6.4.2, 0.6.4.1,
0.6.4.0, 0.6.4, 0.6.3, 0.6.2.1, 0.6.2.0, 0.6.2, 0.6.1.0, 0.6.1 (global
constraint requires ==0.6.0.1)
trying: hxournal-0.6.0.1
trying: double-conversion-2.0.1.0 (dependency of hxournal-0.6.0.1)
next goal: xournal-builder (dependency of hxournal-0.6.0.1)
rejecting: xournal-builder-0.1.1.1, 0.1.1, 0.1.0.2, 0.1.0.1, 0.1.0.0, 0.1
(conflict: double-conversion==2.0.1.0, xournal-builder =>
double-conversion==0.2.*)
Backjump limit reached (change with --max-backjumps).