Resolving dependencies...
cabal: Could not resolve dependencies:
next goal: VKHS (user goal)
rejecting: VKHS-1.7.2, VKHS-1.7.1, VKHS-1.7.0, VKHS-1.6.4, VKHS-1.6.3,
VKHS-1.6.2, VKHS-1.6.1, VKHS-1.6.0, VKHS-0.5.7, VKHS-0.5.6, VKHS-0.5.5,
VKHS-0.5.4, VKHS-0.5.3, VKHS-0.5.2, VKHS-0.5.1 (constraint from user target
requires ==0.5.0)
trying: VKHS-0.5.0
trying: transformers-compat-0.5.1.4:-two
trying: transformers-compat-0.5.1.4:+mtl
trying: transformers-compat-0.5.1.4:-three
next goal: transformers (dependency of VKHS-0.5.0)
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 (conflict:
VKHS => transformers==0.3.*)
rejecting: transformers-0.3.0.0 (conflict: transformers-compat-0.5.1.4:three
=> transformers>=0.2 && <0.3 || >=0.4.1 && <0.6)
rejecting: transformers-0.2.2.1, 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, transformers-0.2.2.0,
transformers-0.1.0.0 (conflict: VKHS => transformers==0.3.*)
Dependency tree exhaustively searched.