Resolving dependencies...
cabal: Could not resolve dependencies:
next goal: access-time (user goal)
rejecting: access-time-0.1.0.4, 0.1.0.3 (global constraint requires ==0.1.0.2)
trying: access-time-0.1.0.2
trying: base-4.8.1.0/installed-4f7... (dependency of access-time-0.1.0.2)
next goal: unix (dependency of access-time-0.1.0.2)
rejecting: unix-2.7.1.0/installed-643..., 2.7.1.0, 2.7.0.1, 2.7.0.0, 2.6.0.1,
2.6.0.0, 2.5.1.1, 2.5.1.0, 2.5.0.0 (conflict: access-time => unix>=2.3 &&
<2.5)
rejecting: unix-2.4.2.0, 2.4.1.0 (conflict: base==4.8.1.0/installed-4f7...,
unix => base>=4.2 && <4.4)
rejecting: unix-2.4.0.2, 2.4.0.1 (conflict: base==4.8.1.0/installed-4f7...,
unix => base>=4.2 && <4.3)
rejecting: unix-2.4.0.0 (conflict: base==4.8.1.0/installed-4f7..., unix =>
base>=4.1 && <4.3)
rejecting: unix-2.3.2.0, 2.3.1.0, 2.3.0.0 (conflict:
base==4.8.1.0/installed-4f7..., unix => base<4.3)
rejecting: unix-2.2.0.0, 2.0 (conflict: access-time => unix>=2.3 && <2.5)
Dependency tree exhaustively searched.