Resolving dependencies...
cabal: Could not resolve dependencies:
next goal: chatty (user goal)
rejecting: chatty-0.6.4.1, 0.6.4.0, 0.6.2.1, 0.6.1.0, 0.6, 0.5.5.1, 0.5.5.0,
0.5.4.2, 0.5.4.1, 0.5.4.0, 0.5.3.1, 0.5.1.1, 0.5.1.0 (global constraint
requires ==0.5.0.0)
trying: chatty-0.5.0.0
next goal: base (dependency of chatty-0.5.0.0)
rejecting: base-4.8.1.0/installed-4f7... (conflict: chatty => base>=4.6 &&
<4.7)
rejecting: base-4.8.1.0, 4.8.0.0, 4.7.0.2, 4.7.0.1, 4.7.0.0, 4.6.0.1, 4.6.0.0,
4.5.1.0, 4.5.0.0, 4.4.1.0, 4.4.0.0, 4.3.1.0, 4.3.0.0, 4.2.0.2, 4.2.0.1,
4.2.0.0, 4.1.0.0, 4.0.0.0, 3.0.3.2, 3.0.3.1 (global constraint requires
installed instance)
Dependency tree exhaustively searched.