Resolving dependencies...
cabal: Could not resolve dependencies:
next goal: factory (user goal)
rejecting: factory-0.2.2.1, factory-0.2.1.2, factory-0.2.1.1, factory-0.2.1.0,
factory-0.2.0.5, factory-0.2.0.4, factory-0.2.0.3, factory-0.2.0.2,
factory-0.2.0.1, factory-0.2.0.0, factory-0.1.0.3, factory-0.1.0.2 (constraint
from user target requires ==0.1.0.0)
trying: factory-0.1.0.0
trying: base-4.9.0.0/installed-4.9... (dependency of factory-0.1.0.0)
trying: time-1.6.0.1/installed-1.6... (dependency of tf-random-0.5)
next goal: haskell98 (dependency of factory-0.1.0.0)
rejecting: haskell98-2.0.0.3 (conflict: base==4.9.0.0/installed-4.9...,
haskell98 => base>=4.7 && <4.8)
rejecting: haskell98-2.0.0.2 (conflict: base==4.9.0.0/installed-4.9...,
haskell98 => base==4.6.*)
rejecting: haskell98-2.0.0.1 (conflict: time==1.6.0.1/installed-1.6...,
haskell98 => time>=1.2 && <1.5)
rejecting: haskell98-2.0.0.0 (conflict: time==1.6.0.1/installed-1.6...,
haskell98 => time>=1.2 && <1.3)
rejecting: haskell98-1.1.0.1, haskell98-1.1.0.0, haskell98-1.0.1.1 (conflict:
base==4.9.0.0/installed-4.9..., haskell98 => base>=3 && <4.6)
rejecting: haskell98-1.0.1.0 (conflict: base==4.9.0.0/installed-4.9...,
haskell98 => base<4.6)
rejecting: haskell98-1.0 (conflict: base==4.9.0.0/installed-4.9..., haskell98
=> base<4.3)
Dependency tree exhaustively searched.