Resolving dependencies... cabal: Could not resolve dependencies: trying: linearscan-hoopl-0.7.0 (user goal) next goal: linearscan (dependency of linearscan-hoopl-0.7.0) rejecting: linearscan-0.7.0, 0.6.0.0, 0.5.1.0, 0.5.0.0, 0.4.0.0, 0.3.1.0, 0.3.0.1, 0.3.0.0, 0.2.0.0, 0.1.0.0 (conflict: linearscan-hoopl => linearscan>=0.7.0.0) Dependency tree exhaustively searched.