Resolving dependencies... cabal: Could not resolve dependencies: trying: hirt-0.0.1.1 (user goal) next goal: statistics (dependency of hirt-0.0.1.1) rejecting: statistics-0.13.2.3, 0.13.2.2, 0.13.2.1, 0.13.2.0, 0.13.1.1, 0.13.1.0, 0.12.0.0, 0.11.0.3, 0.11.0.2, 0.11.0.1, 0.11.0.0 (conflict: hirt => statistics>=0.10 && <0.11) rejecting: statistics-0.10.5.2, 0.10.5.1, 0.10.5.0 (conflict: mwc-random==0.12.0.1, statistics => mwc-random>=0.13.0.0) trying: statistics-0.10.4.1 trying: vector-algorithms-0.7.0.1 (dependency of statistics-0.10.4.1) trying: mtl-2.2.1 (dependency of vector-algorithms-0.7.0.1) trying: transformers-0.4.2.0/installed-21d... (dependency of mtl-2.2.1) next goal: cmdargs (dependency of hirt-0.0.1.1) rejecting: cmdargs-0.10.13, 0.10.12, 0.10.11, 0.10.10, 0.10.9, 0.10.8, 0.10.7, 0.10.6, 0.10.5, 0.10.4, 0.10.3, 0.10.2, 0.10.1, 0.10 (conflict: hirt => cmdargs>=0.9.3 && <0.10) rejecting: cmdargs-0.9.7, 0.9.6, 0.9.5, 0.9.4 (conflict: transformers==0.4.2.0/installed-21d..., cmdargs => transformers>=0.2 && <0.4) rejecting: cmdargs-0.9.3 (conflict: transformers==0.4.2.0/installed-21d..., cmdargs => transformers==0.2.*) rejecting: cmdargs-0.9.2, 0.9.1, 0.9, 0.8, 0.7, 0.6.10, 0.6.9, 0.6.8, 0.6.7, 0.6.6, 0.6.5, 0.6.4, 0.6.3, 0.6.2, 0.6.1, 0.6, 0.5, 0.4, 0.3, 0.2, 0.1 (conflict: hirt => cmdargs>=0.9.3 && <0.10) Backjump limit reached (change with --max-backjumps).