Resolving dependencies...
cabal: Could not resolve dependencies:
trying: blubber-0.0.1 (user goal)
trying: base-4.8.1.0/installed-4f7... (dependency of blubber-0.0.1)
next goal: blubber-server (dependency of blubber-0.0.1)
rejecting: blubber-server-0.0.1 (conflict: base==4.8.1.0/installed-4f7...,
blubber-server => base>=4.7 && <4.8)
Dependency tree exhaustively searched.