Resolving dependencies...
cabal: Could not resolve dependencies:
next goal: sizes (user goal)
rejecting: sizes-2.3.2, sizes-2.3.1.1, sizes-2.3.1, sizes-2.3.0, sizes-2.1.3,
sizes-2.1.2, sizes-2.1.1, sizes-2.1.0, sizes-2.0.7, sizes-2.0.6, sizes-2.0.5,
sizes-2.0.4, sizes-2.0.3, sizes-2.0.2 (constraint from user target requires
==2.0.1)
trying: sizes-2.0.1
trying: base-4.9.0.0/installed-4.9... (dependency of sizes-2.0.1)
next goal: unix (dependency of sizes-2.0.1)
rejecting: unix-2.7.2.0/installed-2.7..., unix-2.7.2.1, unix-2.7.2.0,
unix-2.7.1.0, unix-2.7.0.1, unix-2.7.0.0, unix-2.6.0.1 (conflict: sizes =>
unix==2.6.0.0)
rejecting: unix-2.6.0.0 (conflict: base==4.9.0.0/installed-4.9..., unix =>
base>=4.5 && <4.7)
rejecting: unix-2.5.1.1, unix-2.5.1.0, unix-2.5.0.0, unix-2.4.2.0,
unix-2.4.1.0, unix-2.4.0.2, unix-2.4.0.1, unix-2.4.0.0, unix-2.3.2.0,
unix-2.3.1.0, unix-2.3.0.0, unix-2.2.0.0, unix-2.0 (conflict: sizes =>
unix==2.6.0.0)
Dependency tree exhaustively searched.