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... Warning: The following packages are likely to be broken by the reinstalls: parsec-3.1.13.0 Cabal-2.4.0.1 Continuing even though the plan contains dangerous reinstalls. Starting base-orphans-0.8.1 Starting cabal-doctest-1.0.8 Starting call-stack-0.2.0 Starting base-compat-0.11.0 Building call-stack-0.2.0 Building base-orphans-0.8.1 Building cabal-doctest-1.0.8 Building base-compat-0.11.0 Completed call-stack-0.2.0 Starting dlist-0.8.0.7 Completed base-orphans-0.8.1 Starting hashable-1.3.0.0 Building dlist-0.8.0.7 Building hashable-1.3.0.0 Completed cabal-doctest-1.0.8 Starting integer-logarithms-1.0.3 Building integer-logarithms-1.0.3 Completed dlist-0.8.0.7 Starting newtype-0.2.2.0 Building newtype-0.2.2.0 Completed integer-logarithms-1.0.3 Starting parallel-3.2.2.0 Building parallel-3.2.2.0 Completed hashable-1.3.0.0 Starting random-1.1 Building random-1.1 Completed newtype-0.2.2.0 Starting reflection-2.1.5 Building reflection-2.1.5 Completed base-compat-0.11.0 Starting semigroups-0.19.1 Building semigroups-0.19.1 Completed parallel-3.2.2.0 Starting th-abstraction-0.3.1.0 Building th-abstraction-0.3.1.0 Completed semigroups-0.19.1 Starting transformers-0.5.6.2 Completed random-1.1 Starting type-equality-1 Building transformers-0.5.6.2 Building type-equality-1 Completed type-equality-1 Starting void-0.7.3 Building void-0.7.3 Completed reflection-2.1.5 Starting time-compat-1.9.2.2 Building time-compat-1.9.2.2 Completed void-0.7.3 Starting unordered-containers-0.2.10.0 Building unordered-containers-0.2.10.0 Completed th-abstraction-0.3.1.0 Starting uuid-types-1.0.3 Building uuid-types-1.0.3 Completed time-compat-1.9.2.2 Starting splitmix-0.0.3 Completed uuid-types-1.0.3 Building splitmix-0.0.3 Completed splitmix-0.0.3 Completed transformers-0.5.6.2 Starting tagged-0.8.6 Starting transformers-compat-0.6.5 Starting primitive-0.7.0.0 Building tagged-0.8.6 Building primitive-0.7.0.0 Building transformers-compat-0.6.5 Completed unordered-containers-0.2.10.0 Starting mtl-2.2.2 Building mtl-2.2.2 Completed tagged-0.8.6 Starting StateVar-1.2 Completed transformers-compat-0.6.5 Starting QuickCheck-2.13.2 Building StateVar-1.2 Building QuickCheck-2.13.2 Completed mtl-2.2.2 Starting distributive-0.6.1 Completed StateVar-1.2 Starting transformers-base-0.4.5.2 Building transformers-base-0.4.5.2 Building distributive-0.6.1 Completed transformers-base-0.4.5.2 Starting exceptions-0.10.4 Building exceptions-0.10.4 Completed distributive-0.6.1 Starting constraints-0.11.2 Building constraints-0.11.2 Completed exceptions-0.10.4 Starting contravariant-1.5.2 Completed primitive-0.7.0.0 Starting comonad-5.0.6 Building contravariant-1.5.2 Building comonad-5.0.6 Completed contravariant-1.5.2 Starting vector-0.12.0.3 Building vector-0.12.0.3 Completed constraints-0.11.2 Starting scientific-0.3.6.2 Building scientific-0.3.6.2 Completed comonad-5.0.6 Starting bifunctors-5.5.6 Building bifunctors-5.5.6 Completed scientific-0.3.6.2 Starting attoparsec-0.13.2.3 Building attoparsec-0.13.2.3 Completed QuickCheck-2.13.2 Completed bifunctors-5.5.6 Starting semigroupoids-5.3.4 Starting profunctors-5.5.1 Building profunctors-5.5.1 Completed attoparsec-0.13.2.3 Starting assoc-1.0.1 Building assoc-1.0.1 Building semigroupoids-5.3.4 Completed assoc-1.0.1 Completed profunctors-5.5.1 Starting invariant-0.5.3 Building invariant-0.5.3 Completed semigroupoids-5.3.4 Starting free-5.1.3 Building free-5.1.3 Completed vector-0.12.0.3 Starting witherable-0.3.1 Starting aeson-1.4.6.0 Completed invariant-0.5.3 Building witherable-0.3.1 Building aeson-1.4.6.0 Completed witherable-0.3.1 Completed free-5.1.3 Starting adjunctions-4.4 Building adjunctions-4.4 Completed adjunctions-4.4 Starting kan-extensions-5.2 Building kan-extensions-5.2 Completed kan-extensions-5.2 Starting lens-4.18.1 Completed aeson-1.4.6.0 Starting these-1.0.1 Starting constraints-extras-0.3.0.2 Building constraints-extras-0.3.0.2 Building these-1.0.1 Building lens-4.18.1 Completed constraints-extras-0.3.0.2 Starting dependent-sum-0.6.2.0 Building dependent-sum-0.6.2.0 Completed these-1.0.1 Starting semialign-1.1 Building semialign-1.1 Completed dependent-sum-0.6.2.0 Starting dependent-map-0.3 Building dependent-map-0.3 Completed semialign-1.1 Completed dependent-map-0.3 Completed lens-4.18.1 Starting monoidal-containers-0.6.0.1 Building monoidal-containers-0.6.0.1 Completed monoidal-containers-0.6.0.1 Downloading patch-0.0.0.1 Downloaded patch-0.0.0.1 Starting patch-0.0.0.1 Building patch-0.0.0.1 Completed patch-0.0.0.1