Resolving dependencies...
cabal: Could not resolve dependencies:
next goal: hasktags (user goal)
rejecting: hasktags-0.69.2.1, hasktags-0.69.1, hasktags-0.69.0 (constraint
from user target requires ==0.68.7)
trying: hasktags-0.68.7
trying: base-4.9.0.0/installed-4.9... (dependency of hasktags-0.68.7)
next goal: json (dependency of hasktags-0.68.7)
rejecting: json-0.9.1, json-0.9, json-0.8 (conflict: hasktags => json>=0.5 &&
<0.8)
rejecting: json-0.7, json-0.6, json-0.5 (conflict:
base==4.9.0.0/installed-4.9..., json => base>=4 && <4.8 || >=3 && <4.8 || <3)
rejecting: json-0.4.4, json-0.4.3, json-0.4.2, json-0.4.1, json-0.3.6,
json-0.3.3 (conflict: hasktags => json>=0.5 && <0.8)
Dependency tree exhaustively searched.