Resolving dependencies...
cabal: Could not resolve dependencies:
next goal: snap-extras (user goal)
rejecting: snap-extras-0.11.0.2, 0.11.0.1, 0.11, 0.9, 0.7, 0.6, 0.4, 0.3
(global constraint requires ==0.2.2)
trying: snap-extras-0.2.2
trying: snap-0.14.0.6 (dependency of snap-extras-0.2.2)
next goal: directory-tree (dependency of snap-extras-0.2.2)
rejecting: directory-tree-0.12.0, 0.11.0 (conflict: snap-extras =>
directory-tree>=0.10 && <0.11)
rejecting: directory-tree-0.10.1, 0.10.0 (conflict: snap =>
directory-tree>=0.11 && <0.13)
rejecting: directory-tree-0.9.1, 0.9.0, 0.2.1, 0.2.0, 0.1.2, 0.1.1, 0.1
(conflict: snap-extras => directory-tree>=0.10 && <0.11)
Backjump limit reached (change with --max-backjumps).