Resolving dependencies...
cabal: Could not resolve dependencies:
next goal: hoogle (user goal)
rejecting: hoogle-5.0.6, hoogle-5.0.5, hoogle-5.0.4, hoogle-5.0.3,
hoogle-5.0.2, hoogle-5.0.1, hoogle-5.0, hoogle-4.2.43, hoogle-4.2.42,
hoogle-4.2.41, hoogle-4.2.40, hoogle-4.2.39, hoogle-4.2.38, hoogle-4.2.37,
hoogle-4.2.36, hoogle-4.2.35, hoogle-4.2.34, hoogle-4.2.33, hoogle-4.2.32,
hoogle-4.2.31, hoogle-4.2.30, hoogle-4.2.29, hoogle-4.2.28, hoogle-4.2.27,
hoogle-4.2.26, hoogle-4.2.25, hoogle-4.2.24, hoogle-4.2.23, hoogle-4.2.22,
hoogle-4.2.21, hoogle-4.2.20, hoogle-4.2.19 (constraint from user target
requires ==4.2.18)
trying: hoogle-4.2.18
next goal: haskell-src-exts (dependency of hoogle-4.2.18)
rejecting: haskell-src-exts-1.19.1, haskell-src-exts-1.19.0,
haskell-src-exts-1.18.2, haskell-src-exts-1.18.1, haskell-src-exts-1.18.0,
haskell-src-exts-1.17.1, haskell-src-exts-1.17.0, haskell-src-exts-1.16.0.1,
haskell-src-exts-1.16.0, haskell-src-exts-1.15.0.1, haskell-src-exts-1.15.0
(conflict: hoogle => haskell-src-exts>=1.14 && <1.15)
rejecting: haskell-src-exts-1.14.0.1, haskell-src-exts-1.14.0 (conflict:
hoogle => haskell-src-exts>=1.12 && <1.14)
rejecting: haskell-src-exts-1.13.5, haskell-src-exts-1.13.4,
haskell-src-exts-1.13.3, haskell-src-exts-1.13.2, haskell-src-exts-1.13.1,
haskell-src-exts-1.13.0, haskell-src-exts-1.12.0, haskell-src-exts-1.11.1,
haskell-src-exts-1.10.2, haskell-src-exts-1.10.1, haskell-src-exts-1.10.0,
haskell-src-exts-1.9.6, haskell-src-exts-1.9.5, haskell-src-exts-1.9.4,
haskell-src-exts-1.9.3, haskell-src-exts-1.9.0, haskell-src-exts-1.8.2,
haskell-src-exts-1.8.1, haskell-src-exts-1.8.0, haskell-src-exts-1.7.2,
haskell-src-exts-1.7.1, haskell-src-exts-1.7.0, haskell-src-exts-1.6.1,
haskell-src-exts-1.6.0, haskell-src-exts-1.5.3, haskell-src-exts-1.5.2,
haskell-src-exts-1.5.1, haskell-src-exts-1.5.0, haskell-src-exts-1.4.0,
haskell-src-exts-1.3.5, haskell-src-exts-1.3.4, haskell-src-exts-1.3.3,
haskell-src-exts-1.3.2, haskell-src-exts-1.3.1, haskell-src-exts-1.3.0,
haskell-src-exts-1.2.0, haskell-src-exts-1.1.4, haskell-src-exts-1.1.3.1,
haskell-src-exts-1.1.3, haskell-src-exts-1.1.1, haskell-src-exts-1.1.0,
haskell-src-exts-1.0.1, haskell-src-exts-1.0.0, haskell-src-exts-0.5.7,
haskell-src-exts-0.5.6, haskell-src-exts-0.5.5, haskell-src-exts-0.5.4,
haskell-src-exts-0.5.3, haskell-src-exts-0.5.2, haskell-src-exts-0.4.8,
haskell-src-exts-0.4.6, haskell-src-exts-0.4.5, haskell-src-exts-0.4.4.1,
haskell-src-exts-0.4.4, haskell-src-exts-0.4.3.1, haskell-src-exts-0.4.3,
haskell-src-exts-0.4.2, haskell-src-exts-0.4.1, haskell-src-exts-0.3.12,
haskell-src-exts-0.3.11, haskell-src-exts-0.3.10, haskell-src-exts-0.3.9,
haskell-src-exts-0.3.7, haskell-src-exts-0.3.5, haskell-src-exts-0.3.4,
haskell-src-exts-0.3.3, haskell-src-exts-0.3.2, haskell-src-exts-0.2.1
(conflict: hoogle => haskell-src-exts>=1.14 && <1.15)
Dependency tree exhaustively searched.