Resolving dependencies...
cabal: Could not resolve dependencies:
trying: dash-haskell-1.0.0.5 (user goal)
trying: transformers-0.3.0.0/installed-16a... (dependency of
dash-haskell-1.0.0.5)
trying: optparse-applicative-0.11.0.2 (dependency of dash-haskell-1.0.0.5)
trying: transformers-compat-0.4.0.4 (dependency of
optparse-applicative-0.11.0.2)
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)
Dependency tree exhaustively searched.