Resolving dependencies... Error: cabal: Could not resolve dependencies: [__0] trying: streamly-examples-0.3.0 (user goal) [__1] unknown package: streamly-fsevents (dependency of streamly-examples) [__1] fail (backjumping, conflict set: streamly-examples, streamly-fsevents) After searching the rest of the dependency tree exhaustively, these were the goals I've had most trouble fulfilling: streamly-examples, streamly-fsevents