Resolving dependencies... cabal: Could not resolve dependencies: trying: bitly-cli-0.1.2 (user goal) trying: base-4.8.1.0/installed-4f7... (dependency of bitly-cli-0.1.2) next goal: directory (dependency of bitly-cli-0.1.2) 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 (conflict: bitly-cli => directory>=1.0 && <1.2) rejecting: directory-1.1.0.2 (conflict: base==4.8.1.0/installed-4f7..., directory => base>=4.4 && <4.6) rejecting: directory-1.1.0.1 (conflict: base==4.8.1.0/installed-4f7..., directory => base>=4.2 && <4.5) rejecting: directory-1.1.0.0, 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: base==4.8.1.0/installed-4f7..., directory => base<4.3) Dependency tree exhaustively searched.