Resolving dependencies... cabal: Could not resolve dependencies: next goal: swish (user goal) rejecting: swish-0.9.1.7, swish-0.9.1.6, swish-0.9.1.5, swish-0.9.1.3, swish-0.9.1.2, swish-0.9.1.1, swish-0.9.1.0, swish-0.9.0.15, swish-0.9.0.14, swish-0.9.0.13, swish-0.9.0.12, swish-0.9.0.11, swish-0.9.0.10, swish-0.9.0.9, swish-0.9.0.8, swish-0.9.0.7, swish-0.9.0.6, swish-0.9.0.5, swish-0.9.0.4, swish-0.9.0.3, swish-0.9.0.2, swish-0.9.0.1, swish-0.9.0.0, swish-0.8.0.3 (constraint from user target requires ==0.8.0.2) trying: swish-0.8.0.2 trying: base-4.9.0.0/installed-4.9... (dependency of swish-0.8.0.2) next goal: directory (dependency of swish-0.8.0.2) rejecting: directory-1.2.6.2/installed-1.2... (conflict: directory => filepath==1.4.1.0/installed-1.4..., swish => filepath>=1.1 && <1.4) rejecting: directory-1.3.0.0 (conflict: swish => directory>=1.0 && <1.3) trying: directory-1.2.7.1 trying: bytestring-0.10.8.1/installed-0.1... (dependency of unix-2.7.2.1) next goal: time (dependency of swish-0.8.0.2) rejecting: time-1.6.0.1/installed-1.6..., time-1.7.0.1, time-1.7, time-1.6.0.1, time-1.6, time-1.5.0.1, time-1.5 (conflict: swish => time>=1.1 && <1.5) rejecting: time-1.4.2, time-1.4.1 (conflict: bytestring => deepseq==1.4.2.0/installed-1.4..., time => deepseq>=1.1 && <1.4) rejecting: time-1.4.0.2 (conflict: base==4.9.0.0/installed-4.9..., time => base>=4.4 && <4.7) rejecting: time-1.4.0.1, time-1.4 (conflict: base==4.9.0.0/installed-4.9..., time => base<4.7) rejecting: time-1.3, time-1.2.0.5, time-1.2.0.4, time-1.2.0.3, time-1.2.0.2, time-1.2.0.1, time-1.2, time-1.1.4, time-1.1.3, time-1.1.2.4, time-1.1.2.3, time-1.1.2.2, time-1.1.2.1, time-1.1.2.0 (conflict: directory => time>=1.4 && <1.8) rejecting: time-1.0 (conflict: swish => time>=1.1 && <1.5) Dependency tree exhaustively searched.