Resolving dependencies... cabal: Could not resolve dependencies: trying: snaplet-sedna-0.0.1.0 (user goal) trying: snap-0.14.0.6 (dependency of snaplet-sedna-0.0.1.0) trying: xmlhtml-0.2.3.4 (dependency of snap-0.14.0.6) trying: blaze-builder-0.4.0.1 (dependency of xmlhtml-0.2.3.4) trying: snap-server-0.9.5.1 (dependency of snap-0.14.0.6) trying: blaze-builder-enumerator-0.2.1.0 (dependency of snap-server-0.9.5.1) trying: streaming-commons-0.1.14.2 (dependency of blaze-builder-enumerator-0.2.1.0) next goal: process (dependency of streaming-commons-0.1.14.2) rejecting: process-1.2.3.0/installed-f02... (conflict: unix==2.7.1.0, process => unix==2.7.1.0/installed-643...) trying: process-1.3.0.0 next goal: heist (dependency of snap-0.14.0.6) rejecting: heist-0.14.1.1, 0.14.1 (conflict: process==1.3.0.0, heist => process>=1.1 && <1.3) rejecting: heist-0.14.0.1, 0.14.0 (conflict: blaze-builder==0.4.0.1, heist => blaze-builder>=0.2 && <0.4) rejecting: heist-0.13.1.2, 0.13.1.1, 0.13.1, 0.13.0.6, 0.13.0.5, 0.13.0.4, 0.13.0.3, 0.13.0.2, 0.13.0.1, 0.13.0, 0.12.0, 0.11.1, 0.11.0.1, 0.11.0, 0.10.2.1, 0.10.2, 0.10.1, 0.10.0, 0.8.2, 0.8.1.1, 0.8.1, 0.8.0, 0.7.0.1, 0.7.0, 0.6.1, 0.6.0.1, 0.6.0, 0.5.3, 0.5.2.1, 0.5.2, 0.5.1.1, 0.5.1.0, 0.5.0.1, 0.5.0.0, 0.4.0.1, 0.4.0.0, 0.3.0.0, 0.2.4, 0.2.3, 0.2.2, 0.2.1, 0.2.0, 0.1.2, 0.1.1 (conflict: snap => heist>=0.14 && <0.15) Backjump limit reached (change with --max-backjumps).