Resolving dependencies...
cabal: Could not resolve dependencies:
next goal: wl-pprint-terminfo (user goal)
rejecting: wl-pprint-terminfo-3.7.1.4, wl-pprint-terminfo-3.7.1.3,
wl-pprint-terminfo-3.7.1.2, wl-pprint-terminfo-3.7.1.1,
wl-pprint-terminfo-3.7.1, wl-pprint-terminfo-3.7, wl-pprint-terminfo-3.6,
wl-pprint-terminfo-3.5, wl-pprint-terminfo-3.4, wl-pprint-terminfo-3.3.1,
wl-pprint-terminfo-3.3, wl-pprint-terminfo-3.0.1, wl-pprint-terminfo-3.0,
wl-pprint-terminfo-0.8.4, wl-pprint-terminfo-0.8.3.2,
wl-pprint-terminfo-0.8.3.1, wl-pprint-terminfo-0.8.3,
wl-pprint-terminfo-0.8.2, wl-pprint-terminfo-0.8.1, wl-pprint-terminfo-0.8,
wl-pprint-terminfo-0.7.0, wl-pprint-terminfo-0.6 (constraint from user target
requires ==0.5.2)
trying: wl-pprint-terminfo-0.5.2
trying: base-4.9.0.0/installed-4.9... (dependency of wl-pprint-terminfo-0.5.2)
next goal: transformers (dependency of wl-pprint-terminfo-0.5.2)
rejecting: transformers-0.5.2.0/installed-0.5..., transformers-0.5.2.0,
transformers-0.5.1.0, transformers-0.5.0.1, transformers-0.5.0.0,
transformers-0.4.3.0, transformers-0.4.2.0, transformers-0.4.1.0,
transformers-0.3.0.0 (conflict: wl-pprint-terminfo => transformers>=0.2.2 &&
<0.3)
rejecting: transformers-0.2.2.1 (conflict: base==4.9.0.0/installed-4.9...,
transformers => base>=2 && <4.8 || >=1.0 && <2)
rejecting: transformers-0.2.1.0, transformers-0.2.0.0, transformers-0.1.4.0,
transformers-0.1.3.0, transformers-0.1.1.0, transformers-0.1.0.1,
transformers-0.0.1.0, transformers-0.0.0.0, transformers-0.5.0.2,
transformers-0.4.0.0 (conflict: wl-pprint-terminfo => transformers>=0.2.2 &&
<0.3)
rejecting: transformers-0.2.2.0 (conflict: base==4.9.0.0/installed-4.9...,
transformers => base>=2 && <4.6 || >=1.0 && <2)
rejecting: transformers-0.1.0.0 (conflict: wl-pprint-terminfo =>
transformers>=0.2.2 && <0.3)
Dependency tree exhaustively searched.