Resolving dependencies... cabal: Could not resolve dependencies: next goal: jsaddle (user goal) rejecting: jsaddle-0.7.0.0, jsaddle-0.6.0.1, jsaddle-0.6.0.0, jsaddle-0.5.2.0, jsaddle-0.5.1.1, jsaddle-0.5.1.0, jsaddle-0.5.0.2, jsaddle-0.5.0.1, jsaddle-0.5.0.0, jsaddle-0.4.0.5, jsaddle-0.4.0.4, jsaddle-0.4.0.3, jsaddle-0.4.0.2 (constraint from user target requires ==0.4.0.1) trying: jsaddle-0.4.0.1 next goal: gi-javascriptcore (dependency of jsaddle-0.4.0.1) rejecting: gi-javascriptcore-4.0.6, gi-javascriptcore-4.0.5, gi-javascriptcore-4.0.4, gi-javascriptcore-4.0.3, gi-javascriptcore-4.0.2, gi-javascriptcore-4.0.1 (conflict: jsaddle => gi-javascriptcore>=3.0.2 && <3.1) trying: gi-javascriptcore-3.0.6 next goal: haskell-gi-base (dependency of jsaddle-0.4.0.1) rejecting: haskell-gi-base-0.18.4, haskell-gi-base-0.18.3, haskell-gi-base-0.18.2, haskell-gi-base-0.18.1, haskell-gi-base-0.18 (conflict: jsaddle => haskell-gi-base>=0.17 && <0.18) rejecting: haskell-gi-base-0.17 (conflict: gi-javascriptcore => haskell-gi-base>=0.18 && <1) rejecting: haskell-gi-base-0.15, haskell-gi-base-0.14, haskell-gi-base-0.13, haskell-gi-base-0.12, haskell-gi-base-0.11, haskell-gi-base-0.10.1, haskell-gi-base-0.10, haskell-gi-base-0.9, haskell-gi-base-0.8, haskell-gi-base-0.19, haskell-gi-base-0.16 (conflict: jsaddle => haskell-gi-base>=0.17 && <0.18) Dependency tree exhaustively searched.