Resolving dependencies...
cabal: Could not resolve dependencies:
next goal: gitit (user goal)
rejecting: gitit-0.12.2, gitit-0.12.1.1, gitit-0.12.1, gitit-0.12.0.1,
gitit-0.12, gitit-0.11.1.1, gitit-0.11.1, gitit-0.11, gitit-0.10.7,
gitit-0.10.6.3, gitit-0.10.6.2, gitit-0.10.6.1, gitit-0.10.6, gitit-0.10.5.1,
gitit-0.10.5, gitit-0.10.4, gitit-0.10.3.1, gitit-0.10.3, gitit-0.10.2,
gitit-0.10.1.2, gitit-0.10.1.1, gitit-0.10.1, gitit-0.10.0.2, gitit-0.10.0.1,
gitit-0.10, gitit-0.9.0.1 (constraint from user target requires ==0.9)
trying: gitit-0.9
trying: base-4.9.0.0/installed-4.9... (dependency of gitit-0.9)
next goal: json (dependency of gitit-0.9)
rejecting: json-0.9.1, json-0.9, json-0.8, json-0.7, json-0.6 (conflict: gitit
=> json>=0.4 && <0.6)
rejecting: 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 (conflict:
base==4.9.0.0/installed-4.9..., json => base>=4 && <4.4 || >=3 && <4.4 || <3)
rejecting: json-0.4.1 (conflict: base==4.9.0.0/installed-4.9..., json =>
base>=3 && <4.4 || <3)
rejecting: json-0.3.6, json-0.3.3 (conflict: gitit => json>=0.4 && <0.6)
Dependency tree exhaustively searched.