Resolving dependencies... cabal: Could not resolve dependencies: trying: hako-1.0.0 (user goal) trying: base-4.8.1.0/installed-4f7... (dependency of hako-1.0.0) next goal: haskell-src-meta (dependency of hako-1.0.0) rejecting: haskell-src-meta-0.6.0.12, 0.6.0.11, 0.6.0.10, 0.6.0.9, 0.6.0.8, 0.6.0.7, 0.6.0.6, 0.6.0.5, 0.6.0.4, 0.6.0.3, 0.6.0.2, 0.6.0.1, 0.6 (conflict: hako => haskell-src-meta>=0.5 && <0.6) rejecting: haskell-src-meta-0.5.1.2, 0.5.1.1, 0.5.1, 0.5.0.3 (conflict: base==4.8.1.0/installed-4f7..., haskell-src-meta => base>=4.2 && <4.6) rejecting: haskell-src-meta-0.5.0.2, 0.5 (conflict: base==4.8.1.0/installed-4f7..., haskell-src-meta => base>=4.2 && <4.5) rejecting: haskell-src-meta-0.4.0.2, 0.4.0.1, 0.4, 0.3, 0.2, 0.1.1, 0.1.0, 0.0.6, 0.0.5, 0.0.4, 0.0.3.1, 0.0.3, 0.0.2, 0.0.1, 0.0.0 (conflict: hako => haskell-src-meta>=0.5 && <0.6) Dependency tree exhaustively searched.