Resolving dependencies... cabal: Could not resolve dependencies: trying: ghci-haskeline-0.2 (user goal) trying: time-1.6.0.1/installed-1.6... (dependency of unix-2.7.2.1) next goal: deepseq (dependency of time-1.6.0.1/installed-1.6...) rejecting: deepseq-1.4.2.0/installed-1.4... (conflict: deepseq => array==0.5.1.1/installed-0.5..., ghci-haskeline => array>=0.1 && <0.4 || >=0.1 && <0.3) rejecting: deepseq-1.4.2.0, deepseq-1.4.1.2, deepseq-1.4.1.1, deepseq-1.4.1.0, deepseq-1.4.0.0, deepseq-1.3.0.2, deepseq-1.3.0.1, deepseq-1.3.0.0, deepseq-1.2.0.1, deepseq-1.2.0.0, deepseq-1.1.0.2, deepseq-1.1.0.1, deepseq-1.1.0.0, deepseq-1.0.0.0 (conflict: time => deepseq==1.4.2.0/installed-1.4...) Dependency tree exhaustively searched.