Resolving dependencies...
cabal: Could not resolve dependencies:
next goal: riak (user goal)
rejecting: riak-1.1.1.0, riak-1.1.0.0, riak-1.0.1.1, riak-1.0.1.0,
riak-1.0.0.1, riak-1.0.0.0, riak-0.9.1.1, riak-0.9.1.0, riak-0.9.0.0,
riak-0.8.0.0, riak-0.7.2.1, riak-0.7.2.0, riak-0.7.0.3, riak-0.7.0.2,
riak-0.7.0.1, riak-0.6.0.1, riak-0.6.0.0, riak-0.5.0.0, riak-0.4.1.1,
riak-0.4.1.0, riak-0.4.0.0, riak-0.3.2.1, riak-0.3.2.0, riak-0.3.1.0,
riak-0.3.0.2, riak-0.3.0.1, riak-0.3.0.0 (constraint from user target requires
==0.2.0.0)
trying: riak-0.2.0.0
trying: base-4.9.0.0/installed-4.9... (dependency of riak-0.2.0.0)
next goal: aeson (dependency of riak-0.2.0.0)
rejecting: aeson-1.0.2.1, aeson-1.0.2.0, aeson-1.0.1.0, aeson-1.0.0.0,
aeson-0.11.2.1, aeson-0.11.2.0, aeson-0.11.1.4, aeson-0.11.1.3,
aeson-0.11.1.2, aeson-0.11.1.1, aeson-0.11.1.0, aeson-0.11.0.0, aeson-0.9.0.1,
aeson-0.9.0.0, aeson-0.8.1.1, aeson-0.8.1.0, aeson-0.8.0.2, aeson-0.7.0.6,
aeson-0.7.0.4, aeson-0.6.2.1, aeson-0.6.2.0, aeson-0.6.1.0, aeson-0.6.0.2,
aeson-0.6.0.1, aeson-0.6.0.0, aeson-0.5.0.0, aeson-0.4.0.1, aeson-0.4.0.0,
aeson-0.3.2.14, aeson-0.3.2.13, aeson-0.3.2.12, aeson-0.3.2.11,
aeson-0.3.2.10, aeson-0.3.2.9, aeson-0.3.2.8, aeson-0.3.2.7, aeson-0.3.2.6,
aeson-0.3.2.5, aeson-0.3.2.4, aeson-0.3.2.3, aeson-0.3.2.2, aeson-0.3.2.1,
aeson-0.3.2.0, aeson-0.3.1.1, aeson-0.3.1.0, aeson-0.3.0.0 (conflict: riak =>
aeson==0.2.*)
rejecting: aeson-0.2.0.0 (conflict: base==4.9.0.0/installed-4.9..., aeson =>
base>=4 && <4.4)
rejecting: aeson-0.1.0.0, aeson-0.10.0.0, aeson-0.8.0.1, aeson-0.8.0.0,
aeson-0.7.0.5, aeson-0.7.0.3, aeson-0.7.0.2, aeson-0.7.0.1, aeson-0.7.0.0
(conflict: riak => aeson==0.2.*)
Dependency tree exhaustively searched.