Resolving dependencies... cabal: Could not resolve dependencies: trying: hpasteit-0.3.3 (user goal) next goal: network (dependency of hpasteit-0.3.3) rejecting: network-2.6.1.0, 2.6.0.2, 2.6.0.1, 2.6.0.0, 2.5.0.0 (conflict: hpasteit => network==2.4.*) trying: network-2.4.2.3 trying: parsec-3.1.9 (dependency of network-2.4.2.3) trying: mtl-2.2.1 (dependency of parsec-3.1.9) 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: optparse-applicative (dependency of hpasteit-0.3.3) rejecting: optparse-applicative-0.11.0.2, 0.11.0.1, 0.11.0, 0.10.0, 0.9.1.1, 0.9.1, 0.9.0, 0.8.1, 0.8.0.1, 0.8.0, 0.7.0.2, 0.7.0.1, 0.7.0, 0.6.0 (conflict: hpasteit => optparse-applicative==0.5.*) rejecting: optparse-applicative-0.5.2.1, 0.5.2, 0.5.1, 0.5.0 (conflict: transformers==0.4.3.0, optparse-applicative => transformers>=0.2 && <0.4) rejecting: optparse-applicative-0.4.3, 0.4.2, 0.4.1, 0.4.0, 0.3.2, 0.3.1, 0.3.0, 0.2.0, 0.1.1, 0.1.0, 0.0.1 (conflict: hpasteit => optparse-applicative==0.5.*) Dependency tree exhaustively searched.