Resolving dependencies... cabal: Could not resolve dependencies: trying: DnaProteinAlignment-0.0.0.1 (user goal) trying: conduit-1.2.8 (dependency of DnaProteinAlignment-0.0.0.1) next goal: BiobaseFasta (dependency of DnaProteinAlignment-0.0.0.1) rejecting: BiobaseFasta-0.0.1.0 (conflict: conduit==1.2.8, BiobaseFasta => conduit==0.5.*) rejecting: BiobaseFasta-0.0.0.4, BiobaseFasta-0.0.0.3, BiobaseFasta-0.0.0.2, BiobaseFasta-0.0.0.1 (conflict: DnaProteinAlignment => BiobaseFasta>=0.0.1.0) Dependency tree exhaustively searched.