Resolving dependencies... cabal: Could not resolve dependencies: trying: colada-0.8.4.0 (user goal) trying: mtl-2.2.1 (dependency of colada-0.8.4.0) next goal: fclabels (dependency of colada-0.8.4.0) rejecting: fclabels-2.0.3.1, fclabels-2.0.3, fclabels-2.0.2.4, fclabels-2.0.2.3, fclabels-2.0.2.2, fclabels-2.0.2.1, fclabels-2.0.2, fclabels-2.0.1.1, fclabels-2.0.1, fclabels-2.0.0.5, fclabels-2.0.0.4, fclabels-2.0.0.3, fclabels-2.0.0.2, fclabels-2.0.0.1, fclabels-2.0 (conflict: colada => fclabels==1.*) rejecting: fclabels-1.1.7.1, fclabels-1.1.7, fclabels-1.1.6, fclabels-1.1.5, fclabels-1.1.4.3, fclabels-1.1.4.2, fclabels-1.1.4.1, fclabels-1.1.4, fclabels-1.1.3, fclabels-1.1.2, fclabels-1.1.1.1, fclabels-1.1.1.0, fclabels-1.1.0.2, fclabels-1.1.0.1, fclabels-1.1.0, fclabels-1.0.5, fclabels-1.0.4, fclabels-1.0.3, fclabels-1.0.2, fclabels-1.0.1, fclabels-1.0 (conflict: mtl==2.2.1, fclabels => mtl>=1.0 && <2.2) rejecting: fclabels-0.11.2, fclabels-0.11.1.1, fclabels-0.11.1, fclabels-0.11.0, fclabels-0.9.1, fclabels-0.9.0, fclabels-0.4.2.1, fclabels-0.4.2, fclabels-0.4.1, fclabels-0.4.0, fclabels-0.3.0, fclabels-0.2.0, fclabels-0.1.2, fclabels-0.1 (conflict: colada => fclabels==1.*) Dependency tree exhaustively searched.