Resolving dependencies... cabal: Could not resolve dependencies: next goal: hsc3-process (user goal) rejecting: hsc3-process-0.10.0, 0.9.0, 0.8.0, 0.7.0 (global constraint requires ==0.6.0) trying: hsc3-process-0.6.0 trying: base-4.8.1.0/installed-4f7... (dependency of hsc3-process-0.6.0) next goal: transformers (dependency of hsc3-process-0.6.0) rejecting: transformers-0.4.2.0/installed-21d..., 0.4.3.0, 0.4.2.0, 0.4.1.0, 0.3.0.0 (conflict: hsc3-process => transformers>=0.2.0 && <0.3.0) trying: transformers-0.2.2.1 rejecting: transformers-0.2.2.1:+applicativeinbase (conflict: base==4.8.1.0/installed-4f7..., transformers-0.2.2.1:applicativeinbase => base>=2 && <4.8) rejecting: transformers-0.2.2.1:-applicativeinbase (conflict: base==4.8.1.0/installed-4f7..., transformers-0.2.2.1:applicativeinbase => base>=1.0 && <2) Dependency tree exhaustively searched.