Resolving dependencies...
cabal: Could not resolve dependencies:
next goal: aviation-cessna172-diagrams (user goal)
rejecting: aviation-cessna172-diagrams-0.0.2 (constraint from user target
requires ==0.0.1)
trying: aviation-cessna172-diagrams-0.0.1
next goal: hgeometry (dependency of aviation-cessna172-diagrams-0.0.1)
rejecting: hgeometry-0.6.0.0, hgeometry-0.5.0.0, hgeometry-0.4.0.0,
hgeometry-0.1.1.1, hgeometry-0.1.1.0, hgeometry-0.1.0.0 (conflict:
aviation-cessna172-diagrams => hgeometry>=0.5.1.0 && <0.6)
Dependency tree exhaustively searched.