Resolving dependencies...
Error: cabal: Could not resolve dependencies:
[__0] trying: canadian-income-tax-2022.1 (user goal)
[__1] trying: rank2classes-1.5.1 (dependency of canadian-income-tax)
[__2] trying: forms-data-format-0.1 (dependency of canadian-income-tax)
[__3] next goal: grammatical-parsers (dependency of forms-data-format)
[__3] rejecting: grammatical-parsers-0.7 (conflict: rank2classes==1.5.1,
grammatical-parsers => rank2classes>=1.4.6 && <1.5)
[__3] skipping: grammatical-parsers-0.6, grammatical-parsers-0.5.2,
grammatical-parsers-0.5.1, grammatical-parsers-0.5,
grammatical-parsers-0.4.1.2, grammatical-parsers-0.4.1.1,
grammatical-parsers-0.4.1, grammatical-parsers-0.4.0.1,
grammatical-parsers-0.4, grammatical-parsers-0.3.2, grammatical-parsers-0.3.1,
grammatical-parsers-0.3, grammatical-parsers-0.2.2, grammatical-parsers-0.2.1,
grammatical-parsers-0.2, grammatical-parsers-0.1 (has the same characteristics
that caused the previous version to fail: excludes 'rank2classes' version
1.5.1)
[__3] fail (backjumping, conflict set: forms-data-format, grammatical-parsers,
rank2classes)
After searching the rest of the dependency tree exhaustively, these were the
goals I've had most trouble fulfilling: rank2classes, canadian-income-tax,
grammatical-parsers, forms-data-format
Try running with --minimize-conflict-set to improve the error message.