Resolving dependencies... cabal: Could not resolve dependencies: next goal: hubris (user goal) rejecting: hubris-0.0.3 (global constraint requires ==0.0.2) trying: hubris-0.0.2 trying: process-1.2.0.0/installed-163... (dependency of hubris-0.0.2) next goal: Cabal (dependency of hubris-0.0.2) rejecting: Cabal-1.18.1.3/installed-715..., 1.22.3.0, 1.22.2.0, 1.22.1.1, 1.22.1.0, 1.22.0.0, 1.20.0.3, 1.20.0.2, 1.20.0.1, 1.20.0.0, 1.18.1.6, 1.18.1.5, 1.18.1.4, 1.18.1.3, 1.18.1.2, 1.18.1.1, 1.18.1, 1.18.0, 1.16.0.3, 1.16.0.2, 1.16.0.1, 1.16.0, 1.14.0, 1.12.0, 1.10.2.0, 1.10.1.0, 1.10.0.0 (conflict: hubris => Cabal>=1.7.4 && <1.9) rejecting: Cabal-1.8.0.6, 1.8.0.4, 1.8.0.2 (conflict: process => filepath==1.3.0.2/installed-158..., Cabal => filepath>=1 && <1.2) rejecting: Cabal-1.6.0.3, 1.6.0.2, 1.6.0.1, 1.4.0.2, 1.4.0.1, 1.4.0.0, 1.2.4.0, 1.2.3.0, 1.2.2.0, 1.2.1, 1.1.6 (conflict: hubris => Cabal>=1.7.4 && <1.9) Dependency tree exhaustively searched.