Resolving dependencies... cabal: Could not resolve dependencies: next goal: snaplet-actionlog (user goal) rejecting: snaplet-actionlog-0.2.0.1 (global constraint requires ==0.2) trying: snaplet-actionlog-0.2 trying: xmlhtml-0.2.3.4 (dependency of snaplet-actionlog-0.2) trying: parsec-3.1.9 (dependency of xmlhtml-0.2.3.4) trying: mtl-2.2.1 (dependency of parsec-3.1.9) next goal: transformers (dependency of snaplet-actionlog-0.2) rejecting: transformers-0.3.0.0/installed-16a... (conflict: mtl => transformers==0.4.*) rejecting: transformers-0.4.3.0, 0.4.2.0, 0.4.1.0 (conflict: snaplet-actionlog => transformers>=0.3 && <0.4) rejecting: transformers-0.3.0.0 (conflict: mtl => transformers==0.4.*) rejecting: transformers-0.2.2.1, 0.2.2.0, 0.2.1.0, 0.2.0.0, 0.1.4.0, 0.1.3.0, 0.1.1.0, 0.1.0.1, 0.1.0.0, 0.0.1.0, 0.0.0.0, 0.4.0.0 (conflict: snaplet-actionlog => transformers>=0.3 && <0.4) Backjump limit reached (change with --max-backjumps).