Resolving dependencies...
cabal: Could not resolve dependencies:
next goal: hsc3-server (user goal)
rejecting: hsc3-server-0.10.0, 0.9.2, 0.9.1, 0.8.0, 0.7.0, 0.6.0, 0.5.0
(global constraint requires ==0.4.0)
trying: hsc3-server-0.4.0
trying: base-4.8.1.0/installed-4f7... (dependency of hsc3-server-0.4.0)
next goal: unix (dependency of hsc3-server-0.4.0)
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 (conflict: hsc3-server => unix>=2.5 && <2.6)
rejecting: unix-2.5.1.1, 2.5.1.0 (conflict: base==4.8.1.0/installed-4f7...,
unix => base>=4.5 && <4.6)
rejecting: unix-2.5.0.0 (conflict: base==4.8.1.0/installed-4f7..., unix =>
base>=4.2 && <4.5)
rejecting: unix-2.4.2.0, 2.4.1.0, 2.4.0.2, 2.4.0.1, 2.4.0.0, 2.3.2.0, 2.3.1.0,
2.3.0.0, 2.2.0.0, 2.0 (conflict: hsc3-server => unix>=2.5 && <2.6)
Dependency tree exhaustively searched.