Resolving dependencies...
cabal: Could not resolve dependencies:
next goal: infer-upstream (user goal)
rejecting: infer-upstream-0.1.1.0 (global constraint requires ==0.1.0.0)
trying: infer-upstream-0.1.0.0
trying: github-0.13.2 (dependency of infer-upstream-0.1.0.0)
trying: vector-0.10.12.3 (dependency of github-0.13.2)
trying: primitive-0.6 (dependency of vector-0.10.12.3)
trying: transformers-0.3.0.0/installed-16a... (dependency of primitive-0.6)
trying: conduit-1.2.4.2 (dependency of github-0.13.2)
trying: transformers-base-0.4.4 (dependency of conduit-1.2.4.2)
trying: transformers-compat-0.4.0.4 (dependency of transformers-base-0.4.4)
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).