Resolving dependencies... cabal: Could not resolve dependencies: trying: LogicGrowsOnTrees-network-1.0.0.4 (user goal) trying: transformers-0.4.2.0/installed-814... (dependency of LogicGrowsOnTrees-network-1.0.0.4) next goal: cmdtheline (dependency of LogicGrowsOnTrees-network-1.0.0.4) rejecting: cmdtheline-0.2.3, 0.2.2 (conflict: transformers==0.4.2.0/installed-814..., cmdtheline => transformers>=0.2 && <0.4) rejecting: cmdtheline-0.2.1.1, 0.2.1, 0.2.0.0, 0.1.1, 0.1.0.1, 0.1.0.0 (conflict: LogicGrowsOnTrees-network => cmdtheline>=0.2.2 && <0.4) Backjump limit reached (change with --max-backjumps).