Resolving dependencies...
cabal: Could not resolve dependencies:
next goal: gitit (user goal)
rejecting: gitit-0.12.0.1, 0.12, 0.11.1.1, 0.11.1, 0.11, 0.10.7, 0.10.6.3,
0.10.6.2, 0.10.6.1, 0.10.6, 0.10.5.1, 0.10.5, 0.10.4, 0.10.3.1, 0.10.3,
0.10.2, 0.10.1.2, 0.10.1.1, 0.10.1, 0.10.0.2, 0.10.0.1, 0.10, 0.9.0.1, 0.9,
0.8.1, 0.8.0.1, 0.8, 0.7.3.12, 0.7.3.11, 0.7.3.10, 0.7.3.9, 0.7.3.8, 0.7.3.7,
0.7.3.6, 0.7.3.5, 0.7.3.4, 0.7.3.3, 0.7.3.2, 0.7.3.1, 0.7.3 (global constraint
requires ==0.7.2.1)
trying: gitit-0.7.2.1
trying: base-4.8.1.0/installed-4f7... (dependency of gitit-0.7.2.1)
next goal: happstack-util (dependency of gitit-0.7.2.1)
rejecting: happstack-util-6.0.3, 6.0.2, 6.0.0, 0.5.0.3, 0.5.0.2, 0.5.0.1,
0.5.0 (conflict: gitit => happstack-util>=0.3.2 && <0.5)
trying: happstack-util-0.4.1
next goal: strict-concurrency (dependency of happstack-util-0.4.1)
rejecting: strict-concurrency-0.2.4.1, 0.2.4 (conflict:
base==4.8.1.0/installed-4f7..., strict-concurrency => base>=4 && <4.6)
rejecting: strict-concurrency-0.2.3 (conflict: base==4.8.1.0/installed-4f7...,
strict-concurrency => base>=3 && <4.3)
rejecting: strict-concurrency-0.2.2, 0.2.1 (conflict:
base==4.8.1.0/installed-4f7..., strict-concurrency => base>=3 && <4)
rejecting: strict-concurrency-0.2, 0.1 (conflict:
base==4.8.1.0/installed-4f7..., strict-concurrency => base<4.3)
Dependency tree exhaustively searched.