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 base-prelude-1.3 Starting StateVar-1.2 Starting base-orphans-0.8.1 Starting base-compat-0.11.0 Building base-prelude-1.3 Building base-orphans-0.8.1 Building StateVar-1.2 Building base-compat-0.11.0 Completed base-orphans-0.8.1 Starting cabal-doctest-1.0.8 Completed StateVar-1.2 Starting clock-0.8 Building cabal-doctest-1.0.8 Building clock-0.8 Completed clock-0.8 Starting cmdargs-0.10.20 Completed cabal-doctest-1.0.8 Starting czipwith-1.0.1.2 Building cmdargs-0.10.20 Building czipwith-1.0.1.2 Completed base-prelude-1.3 Starting dlist-0.8.0.7 Building dlist-0.8.0.7 Completed base-compat-0.11.0 Starting ghc-paths-0.1.0.12 Completed czipwith-1.0.1.2 Starting hashable-1.3.0.0 Building hashable-1.3.0.0 Completed dlist-0.8.0.7 Starting integer-logarithms-1.0.3 Building integer-logarithms-1.0.3 Building ghc-paths-0.1.0.12 Completed integer-logarithms-1.0.3 Starting microlens-0.4.11.2 Building microlens-0.4.11.2 Completed hashable-1.3.0.0 Starting parser-combinators-1.2.1 Building parser-combinators-1.2.1 Completed ghc-paths-0.1.0.12 Starting primitive-0.7.0.0 Building primitive-0.7.0.0 Completed microlens-0.4.11.2 Starting random-1.1 Completed parser-combinators-1.2.1 Starting safe-0.3.18 Building random-1.1 Building safe-0.3.18 Completed random-1.1 Starting semigroups-0.19.1 Building semigroups-0.19.1 Completed safe-0.3.18 Starting split-0.2.3.3 Building split-0.2.3.3 Completed semigroups-0.19.1 Starting strict-0.3.2 Building strict-0.3.2 Completed split-0.2.3.3 Starting syb-0.7.1 Building syb-0.7.1 Completed strict-0.3.2 Starting tagged-0.8.6 Building tagged-0.8.6 Completed cmdargs-0.10.20 Starting th-abstraction-0.3.1.0 Building th-abstraction-0.3.1.0 Completed primitive-0.7.0.0 Starting transformers-compat-0.6.5 Building transformers-compat-0.6.5 Completed syb-0.7.1 Starting unliftio-core-0.1.2.0 Completed tagged-0.8.6 Starting unsafe-0.0 Building unliftio-core-0.1.2.0 Building unsafe-0.0 Completed unliftio-core-0.1.2.0 Starting void-0.7.3 Completed unsafe-0.0 Starting time-compat-1.9.2.2 Building void-0.7.3 Completed th-abstraction-0.3.1.0 Starting contravariant-1.5.2 Building time-compat-1.9.2.2 Completed transformers-compat-0.6.5 Starting unordered-containers-0.2.10.0 Building contravariant-1.5.2 Building unordered-containers-0.2.10.0 Completed void-0.7.3 Starting case-insensitive-1.2.1.0 Building case-insensitive-1.2.1.0 Completed case-insensitive-1.2.1.0 Starting uuid-types-1.0.3 Completed contravariant-1.5.2 Starting extra-1.6.18 Building uuid-types-1.0.3 Completed time-compat-1.9.2.2 Starting vector-0.12.0.3 Building extra-1.6.18 Building vector-0.12.0.3 Completed uuid-types-1.0.3 Starting scientific-0.3.6.2 Building scientific-0.3.6.2 Completed extra-1.6.18 Starting data-tree-print-0.1.0.2 Completed unordered-containers-0.2.10.0 Starting distributive-0.6.1 Building data-tree-print-0.1.0.2 Completed data-tree-print-0.1.0.2 Starting microlens-th-0.4.3.2 Completed scientific-0.3.6.2 Starting transformers-base-0.4.5.2 Building microlens-th-0.4.3.2 Building distributive-0.6.1 Building transformers-base-0.4.5.2 Completed transformers-base-0.4.5.2 Starting exceptions-0.10.3 Building exceptions-0.10.3 Completed distributive-0.6.1 Starting uniplate-1.6.12 Completed microlens-th-0.4.3.2 Starting megaparsec-8.0.0 Building uniplate-1.6.12 Building megaparsec-8.0.0 Completed exceptions-0.10.3 Starting attoparsec-0.13.2.3 Building attoparsec-0.13.2.3 Completed uniplate-1.6.12 Starting monad-control-1.0.2.3 Building monad-control-1.0.2.3 Completed monad-control-1.0.2.3 Starting comonad-5.0.6 Completed attoparsec-0.13.2.3 Starting resourcet-1.2.2 Completed megaparsec-8.0.0 Starting multistate-0.8.0.2 Building resourcet-1.2.2 Building multistate-0.8.0.2 Building comonad-5.0.6 Completed resourcet-1.2.2 Starting neat-interpolation-0.3.2.5 Building neat-interpolation-0.3.2.5 Completed comonad-5.0.6 Starting bifunctors-5.5.6 Building bifunctors-5.5.6 Completed vector-0.12.0.3 Starting vector-algorithms-0.8.0.3 Building vector-algorithms-0.8.0.3 Completed neat-interpolation-0.3.2.5 Starting monad-memo-0.5.1 Building monad-memo-0.5.1 Completed multistate-0.8.0.2 Starting aeson-1.4.6.0 Building aeson-1.4.6.0 Completed monad-memo-0.5.1 Completed bifunctors-5.5.6 Starting semigroupoids-5.3.4 Starting profunctors-5.5.1 Completed vector-algorithms-0.8.0.3 Starting mono-traversable-1.0.13.0 Building profunctors-5.5.1 Building mono-traversable-1.0.13.0 Building semigroupoids-5.3.4 Completed profunctors-5.5.1 Completed semigroupoids-5.3.4 Starting strict-list-0.1.5 Starting free-5.1.3 Building strict-list-0.1.5 Building free-5.1.3 Completed mono-traversable-1.0.13.0 Starting conduit-1.3.1.1 Building conduit-1.3.1.1 Completed strict-list-0.1.5 Starting deque-0.4.3 Building deque-0.4.3 Completed aeson-1.4.6.0 Completed deque-0.4.3 Completed free-5.1.3 Starting butcher-1.3.2.3 Starting ghc-exactprint-0.6.2 Building butcher-1.3.2.3 Building ghc-exactprint-0.6.2 Completed conduit-1.3.1.1 Starting libyaml-0.1.1.1 Building libyaml-0.1.1.1 Completed butcher-1.3.2.3 Completed libyaml-0.1.1.1 Starting yaml-0.11.2.0 Building yaml-0.11.2.0 Completed yaml-0.11.2.0 Completed ghc-exactprint-0.6.2 Downloading brittany-0.12.1.1 Downloaded brittany-0.12.1.1 Starting brittany-0.12.1.1 Building brittany-0.12.1.1 Completed brittany-0.12.1.1