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 libiserv-8.6.3 ghci-8.6.3 ghc-8.6.3 ghc-boot-8.6.3 Continuing even though the plan contains dangerous reinstalls. Starting base-orphans-0.8 Starting StateVar-1.1.1.1 Starting cabal-doctest-1.0.6 Starting base-compat-0.10.5 Building StateVar-1.1.1.1 Building base-orphans-0.8 Building cabal-doctest-1.0.6 Building base-compat-0.10.5 Completed base-orphans-0.8 Starting containers-0.5.11.0 Completed StateVar-1.1.1.1 Starting dlist-0.8.0.5 Building containers-0.5.11.0 Building dlist-0.8.0.5 Completed cabal-doctest-1.0.6 Starting integer-logarithms-1.0.2.2 Building integer-logarithms-1.0.2.2 Completed dlist-0.8.0.5 Starting nats-1.1.2 Completed integer-logarithms-1.0.2.2 Starting primitive-0.6.4.0 Building nats-1.1.2 Completed nats-1.1.2 Starting random-1.1 Building primitive-0.6.4.0 Building random-1.1 Completed base-compat-0.10.5 Starting semigroups-0.18.5 Building semigroups-0.18.5 Completed semigroups-0.18.5 Starting tagged-0.8.6 Building tagged-0.8.6 Completed random-1.1 Starting time-locale-compat-0.1.1.5 Building time-locale-compat-0.1.1.5 Completed time-locale-compat-0.1.1.5 Starting transformers-compat-0.6.2 Completed tagged-0.8.6 Starting utf8-string-1.0.1.1 Building transformers-compat-0.6.2 Building utf8-string-1.0.1.1 Completed transformers-compat-0.6.2 Starting contravariant-1.5 Building contravariant-1.5 Completed utf8-string-1.0.1.1 Starting distributive-0.6 Completed primitive-0.6.4.0 Starting vector-0.12.0.2 Completed contravariant-1.5 Building distributive-0.6 Building vector-0.12.0.2 Completed distributive-0.6 Completed containers-0.5.11.0 Starting th-abstraction-0.2.11.0 Starting comonad-5.0.4 Starting binary-0.8.6.0 Building th-abstraction-0.2.11.0 Building binary-0.8.6.0 Building comonad-5.0.4 Completed th-abstraction-0.2.11.0 Completed comonad-5.0.4 Starting bifunctors-5.5.3 Completed binary-0.8.6.0 Starting text-1.2.3.1 Completed vector-0.12.0.2 Building bifunctors-5.5.3 Building text-1.2.3.1 Completed bifunctors-5.5.3 Completed text-1.2.3.1 Starting hashable-1.2.7.0 Building hashable-1.2.7.0 Completed hashable-1.2.7.0 Starting uuid-types-1.0.3 Starting scientific-0.3.6.2 Starting unordered-containers-0.2.10.0 Building uuid-types-1.0.3 Building scientific-0.3.6.2 Building unordered-containers-0.2.10.0 Completed uuid-types-1.0.3 Completed scientific-0.3.6.2 Starting attoparsec-0.13.2.2 Building attoparsec-0.13.2.2 Completed unordered-containers-0.2.10.0 Starting semigroupoids-5.3.2 Building semigroupoids-5.3.2 Completed attoparsec-0.13.2.2 Starting aeson-1.4.2.0 Building aeson-1.4.2.0 Completed semigroupoids-5.3.2 Starting wl-pprint-extras-3.5.0.5 Building wl-pprint-extras-3.5.0.5 Completed wl-pprint-extras-3.5.0.5 Completed aeson-1.4.2.0 Downloading ascii-table-0.3.0.2 Downloaded ascii-table-0.3.0.2 Starting ascii-table-0.3.0.2 Building ascii-table-0.3.0.2 Completed ascii-table-0.3.0.2