Warning: The install command is a part of the legacy v1 style of cabal usage. Please switch to using either the new project style and the new-install command or the legacy v1-install alias as new-style projects will become the default in the next version of cabal-install. Please file a bug if you cannot replicate a working v1- use case with the new-style commands. For more information, see: https://wiki.haskell.org/Cabal/NewBuild Resolving dependencies... Starting StateVar-1.2 Starting cabal-doctest-1.0.8 Starting base-orphans-0.8.2 Starting base-compat-0.11.1 Building StateVar-1.2 Building base-orphans-0.8.2 Building cabal-doctest-1.0.8 Building base-compat-0.11.1 Completed StateVar-1.2 Starting cabal-toolkit-0.0.7 Building cabal-toolkit-0.0.7 Completed cabal-doctest-1.0.8 Starting hashable-1.3.0.0 Building hashable-1.3.0.0 Completed base-orphans-0.8.2 Starting primitive-0.7.0.1 Building primitive-0.7.0.1 Completed cabal-toolkit-0.0.7 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-compat-0.11.1 Starting transformers-compat-0.6.5 Building transformers-compat-0.6.5 Completed tagged-0.8.6 Starting contravariant-1.5.2 Building contravariant-1.5.2 Completed transformers-compat-0.6.5 Starting unordered-containers-0.2.10.0 Building unordered-containers-0.2.10.0 Completed th-abstraction-0.3.2.0 Starting universe-base-1.1.1 Building universe-base-1.1.1 Completed contravariant-1.5.2 Starting distributive-0.6.1 Completed universe-base-1.1.1 Starting universe-reverse-instances-1.1 Building distributive-0.6.1 Building universe-reverse-instances-1.1 Completed primitive-0.7.0.1 Starting vector-0.12.1.2 Building vector-0.12.1.2 Completed universe-reverse-instances-1.1 Completed distributive-0.6.1 Starting comonad-5.0.6 Completed unordered-containers-0.2.10.0 Building comonad-5.0.6 Completed comonad-5.0.6 Starting bifunctors-5.5.7 Building bifunctors-5.5.7 Completed bifunctors-5.5.7 Starting semigroupoids-5.3.4 Building semigroupoids-5.3.4 Completed semigroupoids-5.3.4 Starting lattices-1.7.1.1 Completed vector-0.12.1.2 Building lattices-1.7.1.1 Completed lattices-1.7.1.1 Starting pomaps-0.2.0.0 Building pomaps-0.2.0.0 Completed pomaps-0.2.0.0 Downloading datafix-0.0.1.0 Downloaded datafix-0.0.1.0 Starting datafix-0.0.1.0 Building datafix-0.0.1.0 Completed datafix-0.0.1.0