Resolving dependencies... cabal: Could not resolve dependencies: next goal: groundhog-th (user goal) rejecting: groundhog-th-0.7.0.1, groundhog-th-0.7.0, groundhog-th-0.6.0, groundhog-th-0.5.1, groundhog-th-0.5.0, groundhog-th-0.4.2.2, groundhog-th-0.4.2, groundhog-th-0.4.0.3, groundhog-th-0.4.0.2, groundhog-th-0.4.0.1, groundhog-th-0.4.0, groundhog-th-0.3.1, groundhog-th-0.3.0.2, groundhog-th-0.3.0.1 (constraint from user target requires ==0.3.0) trying: groundhog-th-0.3.0 trying: base-4.9.0.0/installed-4.9... (dependency of groundhog-th-0.3.0) next goal: groundhog (dependency of groundhog-th-0.3.0) rejecting: groundhog-0.7.0.3, groundhog-0.7.0.2, groundhog-0.7.0.1, groundhog-0.7.0, groundhog-0.6.0, groundhog-0.5.1, groundhog-0.5.0, groundhog-0.4.2.2, groundhog-0.4.2.1, groundhog-0.4.2, groundhog-0.4.1, groundhog-0.4.0.3, groundhog-0.4.0.2, groundhog-0.4.0.1, groundhog-0.4.0 (conflict: groundhog-th => groundhog>=0.3.0 && <0.4.0) rejecting: groundhog-0.3.1.1, groundhog-0.3.1, groundhog-0.3.0.1, groundhog-0.3.0 (conflict: base==4.9.0.0/installed-4.9..., groundhog => base>=4 && <4.7) rejecting: groundhog-0.2.0, groundhog-0.1.0.2, groundhog-0.1.0.1, groundhog-0.1.0, groundhog-0.0.1.1, groundhog-0.0.1 (conflict: groundhog-th => groundhog>=0.3.0 && <0.4.0) Dependency tree exhaustively searched.