Resolving dependencies...
cabal: Could not resolve dependencies:
next goal: nerf (user goal)
rejecting: nerf-0.5.3, nerf-0.5.2, nerf-0.5.1, nerf-0.5.0, nerf-0.4.0,
nerf-0.3.0, nerf-0.2.2, nerf-0.2.1 (constraint from user target requires
==0.2.0)
trying: nerf-0.2.0
trying: base-4.9.0.0/installed-4.9... (dependency of nerf-0.2.0)
trying: process-1.4.2.0/installed-1.4... (dependency of cmdargs-0.10.14)
trying: attoparsec-0.13.1.0 (dependency of data-named-0.5.2)
next goal: text-binary (dependency of nerf-0.2.0)
rejecting: text-binary-0.2.1.1, text-binary-0.2.1, text-binary-0.2.0
(conflict: nerf => text-binary>=0.1 && <0.2)
trying: text-binary-0.1.0
next goal: text (dependency of nerf-0.2.0)
rejecting: text-1.2.2.1, text-1.2.2.0, text-1.2.1.3, text-1.2.1.2,
text-1.2.1.1, text-1.2.1.0 (conflict: text-binary => text<1.2.1.0)
rejecting: text-1.2.0.6, text-1.2.0.5, text-1.2.0.4, text-1.2.0.3,
text-1.2.0.2, text-1.2.0.0 (conflict: base==4.9.0.0/installed-4.9..., text =>
base>=4.2 && <4.9)
rejecting: text-1.1.1.4, text-1.1.1.3 (conflict: process =>
deepseq==1.4.2.0/installed-1.4..., text => deepseq>=1.1.0.0 && <1.4)
rejecting: text-1.1.1.2, text-1.1.1.1, text-1.1.1.0, text-1.1.0.1,
text-1.1.0.0, text-1.0.0.1, text-1.0.0.0, text-0.11.3.1, text-0.11.3.0,
text-0.11.2.3, text-0.11.2.2, text-0.11.2.1, text-0.11.2.0, text-0.11.1.13,
text-0.11.1.12, text-0.11.1.11, text-0.11.1.10, text-0.11.1.9, text-0.11.1.8,
text-0.11.1.7, text-0.11.1.6, text-0.11.1.5, text-0.11.1.3, text-0.11.1.2,
text-0.11.1.1, text-0.11.1.0, text-0.11.0.8, text-0.11.0.7, text-0.11.0.6,
text-0.11.0.5, text-0.11.0.4, text-0.11.0.3, text-0.11.0.2, text-0.11.0.1,
text-0.11.0.0, text-0.10.0.2, text-0.10.0.1, text-0.10.0.0, text-0.9.1.0,
text-0.9.0.1, text-0.9.0.0, text-0.8.1.0, text-0.8.0.0, text-0.7.2.1,
text-0.7.1.0, text-0.7.0.1, text-0.7, text-0.6, text-0.5, text-0.4, text-0.3,
text-0.2, text-0.1 (conflict: attoparsec => text>=1.1.1.3)
Backjump limit reached (currently 2000, change with --max-backjumps or try to
run with --reorder-goals).