Resolving dependencies... Starting StateVar-1.2 Starting cabal-doctest-1.0.8 Starting base-orphans-0.8.2 Starting hashable-1.3.0.0 Building StateVar-1.2 Building cabal-doctest-1.0.8 Building base-orphans-0.8.2 Building hashable-1.3.0.0 Completed StateVar-1.2 Starting random-1.1 Building random-1.1 Completed cabal-doctest-1.0.8 Starting tagged-0.8.6 Building tagged-0.8.6 Completed hashable-1.3.0.0 Starting th-abstraction-0.3.2.0 Building th-abstraction-0.3.2.0 Completed base-orphans-0.8.2 Starting transformers-compat-0.6.5 Building transformers-compat-0.6.5 Completed random-1.1 Starting contravariant-1.5.2 Building contravariant-1.5.2 Completed tagged-0.8.6 Starting unordered-containers-0.2.11.0 Building unordered-containers-0.2.11.0 Completed transformers-compat-0.6.5 Starting splitmix-0.0.5 Building splitmix-0.0.5 Completed th-abstraction-0.3.2.0 Starting distributive-0.6.2 Completed contravariant-1.5.2 Completed splitmix-0.0.5 Starting QuickCheck-2.14 Building QuickCheck-2.14 Building distributive-0.6.2 Completed distributive-0.6.2 Starting comonad-5.0.6 Completed unordered-containers-0.2.11.0 Building comonad-5.0.6 Completed comonad-5.0.6 Starting bifunctors-5.5.7 Building bifunctors-5.5.7 Completed QuickCheck-2.14 Completed bifunctors-5.5.7 Starting semigroupoids-5.3.4 Building semigroupoids-5.3.4 Completed semigroupoids-5.3.4 Downloading checkers-0.5.6 Downloaded checkers-0.5.6 Starting checkers-0.5.6 Building checkers-0.5.6 Completed checkers-0.5.6