Resolving dependencies...
cabal: Could not resolve dependencies:
next goal: binary-file (user goal)
rejecting: binary-file-0.15.24, 0.15.22, 0.15.18, 0.15.16, 0.15.13, 0.15.11
(global constraint requires ==0.15.10)
trying: binary-file-0.15.10
trying: monads-tf-0.1.0.2 (dependency of binary-file-0.15.10)
trying: transformers-0.3.0.0/installed-16a... (dependency of
monads-tf-0.1.0.2)
trying: peggy-0.3.2 (dependency of binary-file-0.15.10)
next goal: monad-control (dependency of peggy-0.3.2)
rejecting: monad-control-1.0.0.4, 1.0.0.3, 1.0.0.2, 1.0.0.1, 1.0.0.0
(conflict: peggy => monad-control==0.3.*)
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/installed-16a..., 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)
Backjump limit reached (change with --max-backjumps).