Resolving dependencies...
cabal: Could not resolve dependencies:
next goal: tianbar (user goal)
rejecting: tianbar-0.4.6.3, 0.4.6.0, 0.4.5.0, 0.4.4.0, 0.4.3.0, 0.4.2.0,
0.4.1.0, 0.4.0.1, 0.4.0.0, 0.3.6.0, 0.3.5.0, 0.3.4.1, 0.3.4.0, 0.3.3.0,
0.3.2.0 (global constraint requires ==0.3.1.0)
trying: tianbar-0.3.1.0
next goal: aeson (dependency of tianbar-0.3.1.0)
rejecting: aeson-0.9.0.1, 0.9.0.0, 0.8.1.1, 0.8.1.0, 0.8.0.2, 0.8.0.1,
0.8.0.0, 0.7.0.6, 0.7.0.5, 0.7.0.4, 0.7.0.3, 0.7.0.2, 0.7.0.1, 0.7.0.0
(conflict: tianbar => aeson==0.6.*)
trying: aeson-0.6.2.1
trying: blaze-builder-0.4.0.1 (dependency of aeson-0.6.2.1)
next goal: blaze-markup (dependency of tianbar-0.3.1.0)
rejecting: blaze-markup-0.7.0.2, 0.7.0.1, 0.7.0.0 (conflict: tianbar =>
blaze-markup>=0.5 && <0.7)
rejecting: blaze-markup-0.6.3.0, 0.6.2.0, 0.6.1.1, 0.6.1.0, 0.6.0.0, 0.5.2.1,
0.5.2.0, 0.5.1.7, 0.5.1.6, 0.5.1.5, 0.5.1.4, 0.5.1.3, 0.5.1.2, 0.5.1.1,
0.5.1.0, 0.5.0.0 (conflict: blaze-builder==0.4.0.1, blaze-markup =>
blaze-builder>=0.2 && <0.4)
Dependency tree exhaustively searched.