Resolving dependencies...
cabal: Could not resolve dependencies:
trying: llsd-0.2.0.0 (user goal)
trying: process-1.4.2.0/installed-1.4... (dependency of maccatcher-2.1.5)
next goal: unix (dependency of process-1.4.2.0/installed-1.4...)
rejecting: unix-2.7.2.0/installed-2.7... (conflict: unix =>
bytestring==0.10.8.1/installed-0.1..., llsd => bytestring==0.9.*)
rejecting: unix-2.7.2.1, unix-2.7.2.0, unix-2.7.1.0, unix-2.7.0.1,
unix-2.7.0.0, unix-2.6.0.1, unix-2.6.0.0, unix-2.5.1.1, unix-2.5.1.0,
unix-2.5.0.0, unix-2.4.2.0, unix-2.4.1.0, unix-2.4.0.2, unix-2.4.0.1,
unix-2.4.0.0, unix-2.3.2.0, unix-2.3.1.0, unix-2.3.0.0, unix-2.2.0.0, unix-2.0
(conflict: process => unix==2.7.2.0/installed-2.7...)
Backjump limit reached (currently 2000, change with --max-backjumps or try to
run with --reorder-goals).