Resolving dependencies... cabal: Could not resolve dependencies: next goal: warp-tls-uid (user goal) rejecting: warp-tls-uid-0.1.0.4, warp-tls-uid-0.1.0.3, warp-tls-uid-0.1.0.2 (constraint from user target requires ==0.1.0.1) trying: warp-tls-uid-0.1.0.1 trying: base-4.9.0.0/installed-4.9... (dependency of warp-tls-uid-0.1.0.1) next goal: crypto-random (dependency of warp-tls-uid-0.1.0.1) rejecting: crypto-random-0.0.9, crypto-random-0.0.8 (conflict: warp-tls-uid => crypto-random==0.0.7) rejecting: crypto-random-0.0.7 (conflict: base==4.9.0.0/installed-4.9..., crypto-random => base>=4 && <4.8) rejecting: crypto-random-0.0.6, crypto-random-0.0.5, crypto-random-0.0.4, crypto-random-0.0.3, crypto-random-0.0.2, crypto-random-0.0.1 (conflict: warp-tls-uid => crypto-random==0.0.7) Dependency tree exhaustively searched.