cabal: Could not resolve dependencies: next goal: lit (user goal) rejecting: lit-0.1.0.5, 0.1.0.4, 0.1.0.3 (global constraint requires ==0.1.0.2) trying: lit-0.1.0.2 trying: base-4.8.1.0/installed-4f7... (dependency of lit-0.1.0.2) next goal: directory (dependency of lit-0.1.0.2) rejecting: directory-1.2.2.0/installed-258... (conflict: directory => time==1.5.0.1/installed-c20..., lit => time==1.4.*) trying: directory-1.2.4.0 next goal: unix (dependency of directory-1.2.4.0) rejecting: unix-2.7.1.0/installed-643... (conflict: unix => time==1.5.0.1/installed-c20..., lit => time==1.4.*) trying: unix-2.7.1.0 trying: bytestring-0.10.6.0/installed-236... (dependency of unix-2.7.1.0) next goal: time (dependency of lit-0.1.0.2) rejecting: time-1.5.0.1/installed-c20..., 1.5.0.1, 1.5 (conflict: lit => time==1.4.*) rejecting: time-1.4.2, 1.4.1 (conflict: bytestring => deepseq==1.4.1.1/installed-8fb..., time => deepseq>=1.1 && <1.4) rejecting: time-1.4.0.2 (conflict: base==4.8.1.0/installed-4f7..., time => base>=4 && <4.7) rejecting: time-1.4.0.1, 1.4 (conflict: base==4.8.1.0/installed-4f7..., time => base<4.7) rejecting: time-1.3, 1.2.0.5, 1.2.0.4, 1.2.0.3, 1.2.0.2, 1.2.0.1, 1.2, 1.1.4, 1.1.3, 1.1.2.4, 1.1.2.3, 1.1.2.2, 1.1.2.1, 1.1.2.0, 1.0 (conflict: lit => time==1.4.*) Dependency tree exhaustively searched.