Resolving dependencies... cabal: Could not resolve dependencies: next goal: jailbreak-cabal (user goal) rejecting: jailbreak-cabal-1.3 (global constraint requires ==1.2) trying: jailbreak-cabal-1.2 trying: base-4.8.1.0/installed-4f7... (dependency of jailbreak-cabal-1.2) next goal: Cabal (dependency of jailbreak-cabal-1.2) rejecting: Cabal-1.22.4.0/installed-43c..., 1.22.4.0, 1.22.3.0, 1.22.2.0, 1.22.1.1, 1.22.1.0, 1.22.0.0 (conflict: jailbreak-cabal => Cabal==1.20.*) trying: Cabal-1.20.0.3 trying: array-0.5.1.0/installed-d42... (dependency of Cabal-1.20.0.3) next goal: deepseq (dependency of Cabal-1.20.0.3) rejecting: deepseq-1.4.1.1/installed-8fb..., 1.4.1.2, 1.4.1.1, 1.4.1.0, 1.4.0.0 (conflict: Cabal => deepseq>=1.3 && <1.4) rejecting: deepseq-1.3.0.2 (conflict: base==4.8.1.0/installed-4f7..., deepseq => base>=4.3 && <4.8) rejecting: deepseq-1.3.0.1, 1.3.0.0 (conflict: array==0.5.1.0/installed-d42..., deepseq => array>=0.1 && <0.5) rejecting: deepseq-1.2.0.1, 1.2.0.0, 1.1.0.2, 1.1.0.1, 1.1.0.0, 1.0.0.0 (conflict: Cabal => deepseq>=1.3 && <1.4) Dependency tree exhaustively searched.