Resolving dependencies...
Error: cabal: Could not resolve dependencies:
[__0] next goal: webdriver-precore (user goal)
[__0] rejecting: webdriver-precore-0.2.0.0 (unsupported spec-version 3.12)
[__0] rejecting: webdriver-precore-0.1.0.2, webdriver-precore-0.1.0.1,
webdriver-precore-0.1.0.0, webdriver-precore-0.0.0.4,
webdriver-precore-0.0.0.3, webdriver-precore-0.0.0.2 (constraint from user
target requires ==0.2.0.0)
[__0] fail (backjumping, conflict set: webdriver-precore)
After searching the rest of the dependency tree exhaustively, these were the
goals I've had most trouble fulfilling: webdriver-precore