Resolving dependencies... cabal: Could not resolve dependencies: next goal: gnuplot (user goal) rejecting: gnuplot-0.5.4.1, gnuplot-0.5.4, gnuplot-0.5.3.1, gnuplot-0.5.3, gnuplot-0.5.2.2, gnuplot-0.5.2.1, gnuplot-0.5.2, gnuplot-0.5.1, gnuplot-0.5.0.2, gnuplot-0.5.0.1, gnuplot-0.5, gnuplot-0.4.2, gnuplot-0.4.1.1, gnuplot-0.4.1, gnuplot-0.4.0.2, gnuplot-0.4.0.1, gnuplot-0.4, gnuplot-0.3.4, gnuplot-0.3.3.1, gnuplot-0.3.3 (constraint from user target requires ==0.3.2) trying: gnuplot-0.3.2 trying: base-4.9.0.0/installed-4.9... (dependency of gnuplot-0.3.2) next goal: containers (dependency of gnuplot-0.3.2) rejecting: containers-0.5.7.1/installed-0.5..., containers-0.5.9.1, containers-0.5.8.1, containers-0.5.7.1, containers-0.5.7.0, containers-0.5.6.3, containers-0.5.6.2, containers-0.5.6.1, containers-0.5.6.0, containers-0.5.5.1, containers-0.5.5.0, containers-0.5.4.0, containers-0.5.3.1, containers-0.5.3.0, containers-0.5.2.1, containers-0.5.2.0, containers-0.5.1.0, containers-0.5.0.0, containers-0.4.2.1, containers-0.4.2.0, containers-0.4.1.0, containers-0.4.0.0, containers-0.3.0.0 (conflict: gnuplot => containers>=0.1 && <0.3) rejecting: containers-0.2.0.1, containers-0.2.0.0 (conflict: base==4.9.0.0/installed-4.9..., containers => base<4.7) rejecting: containers-0.1.0.1, containers-0.1.0.0 (conflict: base==4.9.0.0/installed-4.9..., containers => base<4.3) Dependency tree exhaustively searched.