Resolving dependencies... cabal: Could not resolve dependencies: trying: ghci-haskeline-0.2 (user goal) trying: unix-2.7.0.1/installed-0d8... (dependency of ghci-haskeline-0.2) trying: time-1.4.2/installed-bf9... (dependency of unix-2.7.0.1/installed-0d8...) trying: deepseq-1.3.0.2/installed-733... (dependency of time-1.4.2/installed-bf9...) rejecting: ghci-haskeline-0.2:+ghc-612 (conflict: deepseq => array==0.5.0.0/installed-98a..., ghci-haskeline-0.2:ghc-612 => array>=0.1 && <0.4) rejecting: ghci-haskeline-0.2:-ghc-612 (conflict: deepseq => array==0.5.0.0/installed-98a..., ghci-haskeline-0.2:ghc-612 => array>=0.1 && <0.3) Dependency tree exhaustively searched.