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