Resolving dependencies... cabal: Could not resolve dependencies: trying: base-4.9.0.0/installed-4.9... (dependency of leaky-0.1.0.1) next goal: seqaid (dependency of leaky-0.1.0.1) rejecting: seqaid-0.4.0.0, seqaid-0.3.0.1, seqaid-0.3.0.0, seqaid-0.2.1.1, seqaid-0.2.1.0, seqaid-0.2.0.0 (conflict: template-haskell==2.11.0.0/installed-2.1..., seqaid => template-haskell==2.10.* || ==2.9.*) rejecting: seqaid-0.1.7.0, seqaid-0.1.6.0, seqaid-0.1.5 (conflict: template-haskell==2.11.0.0/installed-2.1..., seqaid => template-haskell==2.9.*) rejecting: seqaid-0.1.4 (conflict: template-haskell==2.11.0.0/installed-2.1..., seqaid => template-haskell<=2.9.0.0) trying: seqaid-0.1.3 trying: exceptions-0.8.3 (dependency of temporary-1.2.0.4) trying: transformers-0.5.2.0/installed-0.5... (dependency of temporary-1.2.0.4) next goal: modulespection (dependency of seqaid-0.1.3) rejecting: modulespection-0.1.2.2 (conflict: transformers==0.5.2.0/installed-0.5..., modulespection => transformers==0.3.* || ==0.4.*) rejecting: modulespection-0.1.2.1, modulespection-0.1.2.0 (conflict: transformers==0.5.2.0/installed-0.5..., modulespection => transformers==0.3.*) rejecting: modulespection-0.1.1.0 (conflict: exceptions==0.8.3, modulespection => exceptions==0.3.*) rejecting: modulespection-0.1.0.7, modulespection-0.1.0.6, modulespection-0.1.0.5, modulespection-0.1.0.4, modulespection-0.1.0.3, modulespection-0.1.0.2, modulespection-0.1.0.1, modulespection-0.1.0.0 (conflict: base==4.9.0.0/installed-4.9..., modulespection => base>=4.6 && <4.7) Backjump limit reached (currently 2000, change with --max-backjumps or try to run with --reorder-goals).