Resolving dependencies...
cabal: Could not resolve dependencies:
next goal: Spock (user goal)
rejecting: Spock-0.11.0.0, Spock-0.10.0.1, Spock-0.9.0.1, Spock-0.9.0.0,
Spock-0.8.1.0, Spock-0.8.0.0, Spock-0.7.12.0, Spock-0.7.11.0, Spock-0.7.10.0,
Spock-0.7.9.0, Spock-0.7.8.0, Spock-0.7.7.0, Spock-0.7.6.0, Spock-0.7.5.2,
Spock-0.7.5.1, Spock-0.7.5.0, Spock-0.7.4.0, Spock-0.7.2.0, Spock-0.7.1.0,
Spock-0.7.0.0, Spock-0.6.6.1, Spock-0.6.6.0, Spock-0.6.5.0, Spock-0.6.4.0,
Spock-0.6.3.0, Spock-0.6.2.3, Spock-0.6.2.2, Spock-0.6.2.1, Spock-0.6.2.0,
Spock-0.6.1.3, Spock-0.6.1.2, Spock-0.6.1.0, Spock-0.6.0.0, Spock-0.5.1.0,
Spock-0.5.0.1, Spock-0.5.0.0, Spock-0.10.0.0, Spock-0.7.3.0, Spock-0.6.1.1,
Spock-0.4.4.1 (constraint from user target requires ==0.4.4.0)
trying: Spock-0.4.4.0
trying: transformers-compat-0.5.1.4:-two
trying: transformers-compat-0.5.1.4:+mtl
trying: transformers-compat-0.5.1.4:-three
next goal: transformers (dependency of Spock-0.4.4.0)
rejecting: transformers-0.5.2.0/installed-0.5..., transformers-0.5.2.0,
transformers-0.5.1.0, transformers-0.5.0.1, transformers-0.5.0.0,
transformers-0.4.3.0, transformers-0.4.2.0, transformers-0.4.1.0 (conflict:
Spock => transformers==0.3.*)
rejecting: transformers-0.3.0.0 (conflict: transformers-compat-0.5.1.4:three
=> transformers>=0.2 && <0.3 || >=0.4.1 && <0.6)
rejecting: transformers-0.2.2.1, transformers-0.2.1.0, transformers-0.2.0.0,
transformers-0.1.4.0, transformers-0.1.3.0, transformers-0.1.1.0,
transformers-0.1.0.1, transformers-0.0.1.0, transformers-0.0.0.0,
transformers-0.5.0.2, transformers-0.4.0.0, transformers-0.2.2.0,
transformers-0.1.0.0 (conflict: Spock => transformers==0.3.*)
Dependency tree exhaustively searched.