Resolving dependencies...
cabal: Could not resolve dependencies:
trying: base-4.9.0.0/installed-4.9... (dependency of servius-1.1.0)
next goal: conduit (dependency of wai-1.3.0.3)
rejecting: conduit-1.2.8, conduit-1.2.7, conduit-1.2.6.6, conduit-1.2.6.5,
conduit-1.2.6.4, conduit-1.2.6.3, conduit-1.2.6.2, conduit-1.2.6.1,
conduit-1.2.6, conduit-1.2.5.1, conduit-1.2.5, conduit-1.2.4.3,
conduit-1.2.4.2, conduit-1.2.4.1, conduit-1.2.4, conduit-1.2.3.1,
conduit-1.2.3, conduit-1.2.2.2, conduit-1.2.2.1, conduit-1.2.2, conduit-1.2.1,
conduit-1.2.0.2, conduit-1.2.0.1, conduit-1.2.0, conduit-1.1.7, conduit-1.1.6,
conduit-1.1.5, conduit-1.1.4, conduit-1.1.3, conduit-1.1.2.1, conduit-1.1.2,
conduit-1.1.1.1, conduit-1.1.1, conduit-1.1.0.2, conduit-1.1.0.1,
conduit-1.1.0 (conflict: wai => conduit>=0.5 && <1.1)
trying: conduit-1.0.17.1
trying: mtl-2.2.1 (dependency of conduit-1.0.17.1)
next goal: resourcet (dependency of conduit-1.0.17.1)
rejecting: resourcet-1.1.9, resourcet-1.1.8.1, resourcet-1.1.8,
resourcet-1.1.7.5, resourcet-1.1.7.4, resourcet-1.1.7.3, resourcet-1.1.7.2,
resourcet-1.1.7.1, resourcet-1.1.7, resourcet-1.1.6, resourcet-1.1.5,
resourcet-1.1.4.1, resourcet-1.1.4, resourcet-1.1.3.3, resourcet-1.1.3.2,
resourcet-1.1.3.1, resourcet-1.1.3, resourcet-1.1.2.3, resourcet-1.1.2.2,
resourcet-1.1.2.1, resourcet-1.1.2, resourcet-1.1.1, resourcet-1.1.0.1,
resourcet-1.1.0 (conflict: conduit => resourcet>=0.4.3 && <0.5)
rejecting: resourcet-0.4.10.2, resourcet-0.4.10.1, resourcet-0.4.10,
resourcet-0.4.9, resourcet-0.4.8, resourcet-0.4.7.2, resourcet-0.4.7.1
(conflict: mtl==2.2.1, resourcet => mtl>=2.0 && <2.2)
rejecting: resourcet-0.4.7, resourcet-0.4.6, resourcet-0.4.5, resourcet-0.4.4,
resourcet-0.4.3 (conflict: base==4.9.0.0/installed-4.9..., resourcet =>
base>=4.3 && <4.7)
rejecting: resourcet-0.4.2, resourcet-0.4.1, resourcet-0.4.0.2,
resourcet-0.4.0.1, resourcet-0.4.0, resourcet-0.3.3.1, resourcet-0.3.3,
resourcet-0.3.2.2, resourcet-0.3.2.1, resourcet-0.3.2, resourcet-0.3.1,
resourcet-0.3.0 (conflict: conduit => resourcet>=0.4.3 && <0.5)
Backjump limit reached (currently 2000, change with --max-backjumps or try to
run with --reorder-goals).