Resolving dependencies... cabal: Could not resolve dependencies: next goal: hoodle-core (user goal) rejecting: hoodle-core-0.15.0, 0.15, 0.14, 0.13.0.0, 0.13.0, 0.13, 0.12, 0.11, 0.10, 0.9.0.0, 0.9.0, 0.9, 0.8.0 (global constraint requires ==0.8) trying: hoodle-core-0.8 next goal: base64-bytestring (dependency of hoodle-core-0.8) rejecting: base64-bytestring-1.0.0.1, 1.0.0.0 (conflict: hoodle-core => base64-bytestring==0.1.*) trying: base64-bytestring-0.1.2.0 trying: dyre-0.8.12 (dependency of hoodle-core-0.8) next goal: unix (dependency of dyre-0.8.12) rejecting: unix-2.7.1.0/installed-643... (conflict: unix => bytestring==0.10.6.0/installed-236..., hoodle-core => bytestring==0.9.*) trying: unix-2.7.1.0 next goal: configurator (dependency of hoodle-core-0.8) rejecting: configurator-0.3.0.0 (conflict: hoodle-core => configurator==0.2.*) trying: configurator-0.2.0.2 trying: text-1.2.1.3 (dependency of configurator-0.2.0.2) next goal: bytestring (dependency of hoodle-core-0.8) rejecting: bytestring-0.10.6.0/installed-236..., 0.10.6.0, 0.10.4.1, 0.10.4.0, 0.10.2.0, 0.10.0.2, 0.10.0.1, 0.10.0.0 (conflict: hoodle-core => bytestring==0.9.*) rejecting: bytestring-0.9.2.1, 0.9.2.0 (conflict: text => bytestring>=0.10.4.0) rejecting: bytestring-0.9.1.10, 0.9.1.9, 0.9.1.8, 0.9.1.7, 0.9.1.6, 0.9.1.5, 0.9.1.4, 0.9.1.3, 0.9.1.2, 0.9.1.1, 0.9.1.0, 0.9.0.4, 0.9.0.3, 0.9.0.2, 0.9.0.1 (conflict: unix => bytestring>=0.9.2 && <0.11) rejecting: bytestring-0.9 (conflict: base64-bytestring => bytestring>=0.9.0) Backjump limit reached (change with --max-backjumps).