Resolving dependencies... cabal: Could not resolve dependencies: next goal: mute-unmute (user goal) rejecting: mute-unmute-0.2.0.0, 0.1.1 (global constraint requires ==0.1) trying: mute-unmute-0.1 trying: base-4.8.1.0/installed-4f7... (dependency of mute-unmute-0.1) next goal: directory (dependency of mute-unmute-0.1) rejecting: directory-1.2.2.0/installed-258..., 1.2.4.0, 1.2.3.1, 1.2.3.0, 1.2.2.1, 1.2.2.0, 1.2.1.0, 1.2.0.1, 1.2.0.0, 1.1.0.2, 1.1.0.1, 1.1.0.0 (conflict: mute-unmute => directory==1.0.1.*) rejecting: directory-1.0.1.2 (conflict: base==4.8.1.0/installed-4f7..., directory => base>=4.2 && <4.4) rejecting: directory-1.0.1.1, 1.0.1.0 (conflict: base==4.8.1.0/installed-4f7..., directory => base>=4.1 && <4.3) rejecting: directory-1.0.0.3, 1.0.0.0 (conflict: mute-unmute => directory==1.0.1.*) Dependency tree exhaustively searched.