Resolving dependencies...
cabal: Could not resolve dependencies:
next goal: hspec (user goal)
rejecting: hspec-2.1.7, 2.1.6, 2.1.5, 2.1.4, 2.1.3, 2.1.2, 2.1.1, 2.1.0,
2.0.2, 2.0.1, 2.0.0, 1.12.4, 1.12.3, 1.12.2, 1.12.1, 1.12.0, 1.11.4, 1.11.3,
1.11.2, 1.11.1, 1.11.0, 1.10.0.1, 1.10.0, 1.9.5, 1.9.4, 1.9.3, 1.9.2, 1.9.1,
1.9.0, 1.8.3, 1.8.2, 1.8.1.1, 1.8.1, 1.8.0, 1.7.2.1, 1.7.2, 1.7.1, 1.7.0,
1.6.2, 1.6.1, 1.6.0, 1.5.4, 1.5.3, 1.5.2, 1.5.1, 1.5.0, 1.4.5, 1.4.4, 1.4.3,
1.4.2.3, 1.4.2.2, 1.4.2.1, 1.4.2, 1.4.1.1, 1.4.1, 1.4.0.1, 1.4.0, 1.3.0.2,
1.3.0.1, 1.3.0, 1.2.0.1, 1.2.0, 1.1.3, 1.1.2, 1.1.1, 1.1.0, 1.0.0.1, 1.0.0,
0.9.2.2, 0.9.2.1, 0.9.2, 0.9.1.1, 0.9.1, 0.9.0 (global constraint requires
==0.8.1)
trying: hspec-0.8.1
next goal: plugins (dependency of hspec-0.8.1)
rejecting: plugins-1.5.4.0, 1.5.3.0, 1.5.2.3, 1.5.2.2, 1.5.2.1 (conflict:
hspec => plugins==1.5.1.4)
trying: plugins-1.5.1.4
next goal: ghc (dependency of plugins-1.5.1.4)
rejecting: ghc-7.8.3/installed-4df... (conflict: ghc =>
transformers==0.3.0.0/installed-16a..., hspec => transformers>=0.2.0 &&
<0.3.0)
Dependency tree exhaustively searched.