Resolving dependencies... cabal: Could not resolve dependencies: trying: mute-unmute-0.2.0.0 (user goal) trying: base-4.7.0.1/installed-e4b... (dependency of mute-unmute-0.2.0.0) next goal: hslogger-template (dependency of mute-unmute-0.2.0.0) rejecting: hslogger-template-2.0.2, 2.0.1, 2.0.0, 1.1.2, 1.1.1 (conflict: mute-unmute => hslogger-template==1.1.0) trying: hslogger-template-1.1.0 next goal: haskell98 (dependency of hslogger-template-1.1.0) rejecting: haskell98-2.0.0.3/installed-85b..., 2.0.0.3, 2.0.0.2, 2.0.0.1, 2.0.0.0 (conflict: hslogger-template => haskell98==1.*) rejecting: haskell98-1.1.0.1, 1.1.0.0, 1.0.1.1 (conflict: base==4.7.0.1/installed-e4b..., haskell98 => base>=3 && <4.6) rejecting: haskell98-1.0.1.0 (conflict: base==4.7.0.1/installed-e4b..., haskell98 => base<4.6) rejecting: haskell98-1.0 (conflict: base==4.7.0.1/installed-e4b..., haskell98 => base<4.3) Dependency tree exhaustively searched.