Resolving dependencies... cabal: Could not resolve dependencies: next goal: hakyll-agda (user goal) rejecting: hakyll-agda-0.1.9, 0.1.8, 0.1.7, 0.1.6, 0.1.5, 0.1.4, 0.1.3, 0.1.2, 0.1.1 (global constraint requires ==0.1) trying: hakyll-agda-0.1 trying: transformers-0.3.0.0/installed-16a... (dependency of hakyll-agda-0.1) trying: pandoc-1.14 (dependency of hakyll-agda-0.1) trying: yaml-0.8.11 (dependency of pandoc-1.14) trying: enclosed-exceptions-1.0.1.1 (dependency of yaml-0.8.11) trying: transformers-base-0.4.4 (dependency of enclosed-exceptions-1.0.1.1) trying: transformers-compat-0.4.0.4 (dependency of transformers-base-0.4.4) trying: transformers-compat-0.4.0.4:-two rejecting: transformers-compat-0.4.0.4:-three (conflict: transformers==0.3.0.0/installed-16a..., transformers-compat-0.4.0.4:three => transformers>=0.4.1 && <0.5) rejecting: transformers-compat-0.4.0.4:+three (manual flag can only be changed explicitly) Backjump limit reached (change with --max-backjumps).