Resolving dependencies...
cabal: Could not resolve dependencies:
next goal: hoauth2 (user goal)
rejecting: hoauth2-0.4.8, 0.4.7, 0.4.6, 0.4.5, 0.4.4, 0.4.3, 0.4.2, 0.4.1,
0.4.0, 0.3.7, 0.3.6.1, 0.3.6, 0.3.5, 0.3.0, 0.2.6, 0.2.5.1, 0.2.5 (global
constraint requires ==0.2.4)
trying: hoauth2-0.2.4
next goal: transformers (dependency of hoauth2-0.2.4)
rejecting: transformers-0.4.2.0/installed-21d..., 0.4.3.0, 0.4.2.0, 0.4.1.0
(conflict: hoauth2 => transformers>=0.2 && <0.4)
trying: transformers-0.3.0.0
next goal: monad-control (dependency of hoauth2-0.2.4)
rejecting: monad-control-1.0.0.4, 1.0.0.3, 1.0.0.2, 1.0.0.1, 1.0.0.0
(conflict: hoauth2 => monad-control>=0.3 && <0.4)
trying: monad-control-0.3.3.1
trying: transformers-compat-0.4.0.4 (dependency of monad-control-0.3.3.1)
trying: transformers-compat-0.4.0.4:-two
rejecting: transformers-compat-0.4.0.4:-three (conflict:
transformers==0.3.0.0, transformers-compat-0.4.0.4:three =>
transformers>=0.4.1 && <0.5)
rejecting: transformers-compat-0.4.0.4:+three (manual flag can only be changed
explicitly)
Dependency tree exhaustively searched.