Resolving dependencies...
cabal: Could not resolve dependencies:
next goal: atomo (user goal)
rejecting: atomo-0.4.0.2, 0.4.0.1, 0.4, 0.3, 0.2.2.1, 0.2.2, 0.2.1, 0.2, 0.1.1
(global constraint requires ==0.1)
trying: atomo-0.1
trying: base-4.7.0.1/installed-e4b... (dependency of atomo-0.1)
trying: mtl-2.2.1 (dependency of atomo-0.1)
next goal: transformers (dependency of mtl-2.2.1)
rejecting: transformers-0.3.0.0/installed-16a... (conflict: mtl =>
transformers==0.4.*)
trying: transformers-0.4.3.0
next goal: monads-fd (dependency of atomo-0.1)
rejecting: monads-fd-0.2.0.0 (conflict: transformers==0.4.3.0, monads-fd =>
transformers==0.2.*)
rejecting: monads-fd-0.1.0.4 (conflict: base==4.7.0.1/installed-e4b...,
monads-fd => base<4.6)
rejecting: monads-fd-0.1.0.3 (conflict: transformers==0.4.3.0, monads-fd =>
transformers==0.2.*)
rejecting: monads-fd-0.1.0.2, 0.1.0.1, 0.1.0.0 (conflict:
base==4.7.0.1/installed-e4b..., monads-fd => base<4.6)
rejecting: monads-fd-0.0.0.1 (conflict: transformers==0.4.3.0, monads-fd =>
transformers>=0.1.4.0 && <0.2)
rejecting: monads-fd-0.0.0.0 (conflict: transformers==0.4.3.0, monads-fd =>
transformers<0.2)
Backjump limit reached (change with --max-backjumps).