Resolving dependencies... cabal: Could not resolve dependencies: next goal: swish (user goal) rejecting: swish-0.9.1.3, 0.9.1.2, 0.9.1.1, 0.9.1.0, 0.9.0.15, 0.9.0.14, 0.9.0.13, 0.9.0.12, 0.9.0.11, 0.9.0.10, 0.9.0.9, 0.9.0.8, 0.9.0.7, 0.9.0.6, 0.9.0.5, 0.9.0.4, 0.9.0.3, 0.9.0.2, 0.9.0.1, 0.9.0.0, 0.8.0.3 (global constraint requires ==0.8.0.2) trying: swish-0.8.0.2 next goal: directory (dependency of swish-0.8.0.2) rejecting: directory-1.2.2.0/installed-258... (conflict: directory => filepath==1.4.0.0/installed-8fe..., swish => filepath>=1.1 && <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..., swish => time>=1.1 && <1.5) 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 swish-0.8.0.2) rejecting: time-1.5.0.1/installed-c20..., 1.5.0.1, 1.5 (conflict: swish => time>=1.1 && <1.5) rejecting: time-1.4.2, 1.4.1, 1.4.0.2, 1.4.0.1, 1.4 (conflict: bytestring => deepseq==1.4.1.1/installed-8fb..., time => deepseq>=1.1 && <1.4) 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 (conflict: directory => time>=1.4 && <1.6) rejecting: time-1.0 (conflict: swish => time>=1.1 && <1.5) Dependency tree exhaustively searched.