Resolving dependencies... cabal: Could not resolve dependencies: next goal: leaky (user goal) rejecting: leaky-0.4.0.0, 0.3.0.3, 0.3.0.2, 0.3.0.1, 0.3.0.0 (global constraint requires ==0.2.1.1) trying: leaky-0.2.1.1 next goal: seqaid (dependency of leaky-0.2.1.1) rejecting: seqaid-0.4.0.0, 0.3.0.1, 0.3.0.0 (conflict: leaky => seqaid==0.2.1.*) trying: seqaid-0.2.1.1 trying: Cabal-1.22.4.0/installed-43c... (dependency of seqaid-0.2.1.1) trying: seqaid-0.2.1.1:+demo_mode trying: seqaid-0.2.1.1:-seqable_only rejecting: seqaid-0.2.1.1:-ghc_710 (conflict: Cabal => filepath==1.4.0.0/installed-8fe..., seqaid-0.2.1.1:ghc_710 => filepath==1.3.*) rejecting: seqaid-0.2.1.1:+ghc_710 (manual flag can only be changed explicitly) Dependency tree exhaustively searched.