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: Cabal-2.4.0.1 Continuing even though the plan contains dangerous reinstalls. Starting cabal-doctest-1.0.6 Starting call-stack-0.1.0 Starting base-orphans-0.8.1 Starting blaze-builder-0.4.1.0 Building call-stack-0.1.0 Building base-orphans-0.8.1 Building cabal-doctest-1.0.6 Building blaze-builder-0.4.1.0 Completed call-stack-0.1.0 Starting colour-2.3.4 Completed base-orphans-0.8.1 Starting double-conversion-2.0.2.0 Building colour-2.3.4 Building double-conversion-2.0.2.0 Completed cabal-doctest-1.0.6 Starting fingertree-0.1.4.2 Building fingertree-0.1.4.2 Completed blaze-builder-0.4.1.0 Starting hashable-1.2.7.0 Building hashable-1.2.7.0 Completed double-conversion-2.0.2.0 Starting integer-logarithms-1.0.2.2 Completed hashable-1.2.7.0 Starting parallel-3.2.2.0 Building integer-logarithms-1.0.2.2 Building parallel-3.2.2.0 Completed colour-2.3.4 Starting readable-0.3.1 Building readable-0.3.1 Completed fingertree-0.1.4.2 Starting reflection-2.1.4 Completed integer-logarithms-1.0.2.2 Starting semigroups-0.18.5 Building reflection-2.1.4 Building semigroups-0.18.5 Completed readable-0.3.1 Starting th-abstraction-0.2.11.0 Completed parallel-3.2.2.0 Starting transformers-0.5.6.2 Building th-abstraction-0.2.11.0 Building transformers-0.5.6.2 Completed semigroups-0.18.5 Starting utf8-string-1.0.1.1 Building utf8-string-1.0.1.1 Completed th-abstraction-0.2.11.0 Starting void-0.7.2 Completed reflection-2.1.4 Starting blaze-markup-0.8.2.2 Building void-0.7.2 Building blaze-markup-0.8.2.2 Completed utf8-string-1.0.1.1 Starting unordered-containers-0.2.10.0 Building unordered-containers-0.2.10.0 Completed void-0.7.2 Starting ansi-terminal-0.9 Building ansi-terminal-0.9 Completed blaze-markup-0.8.2.2 Starting blaze-html-0.9.1.1 Building blaze-html-0.9.1.1 Completed ansi-terminal-0.9 Starting ansi-wl-pprint-0.6.8.2 Building ansi-wl-pprint-0.6.8.2 Completed transformers-0.5.6.2 Starting transformers-compat-0.6.4 Building transformers-compat-0.6.4 Completed ansi-wl-pprint-0.6.8.2 Starting tagged-0.8.6 Building tagged-0.8.6 Completed unordered-containers-0.2.10.0 Starting primitive-0.6.4.0 Building primitive-0.6.4.0 Completed transformers-compat-0.6.4 Starting mtl-2.2.2 Building mtl-2.2.2 Completed tagged-0.8.6 Starting StateVar-1.1.1.1 Building StateVar-1.1.1.1 Completed StateVar-1.1.1.1 Starting charset-0.3.7.1 Building charset-0.3.7.1 Completed mtl-2.2.2 Starting transformers-base-0.4.5.2 Building transformers-base-0.4.5.2 Completed transformers-base-0.4.5.2 Starting distributive-0.6 Completed charset-0.3.7.1 Starting contravariant-1.5 Building contravariant-1.5 Building distributive-0.6 Completed contravariant-1.5 Starting parsec-3.1.13.0 Completed distributive-0.6 Starting exceptions-0.10.1 Building parsec-3.1.13.0 Completed primitive-0.6.4.0 Starting comonad-5.0.4 Completed blaze-html-0.9.1.1 Building exceptions-0.10.1 Starting vector-0.12.0.2 Building vector-0.12.0.2 Building comonad-5.0.4 Completed exceptions-0.10.1 Starting scientific-0.3.6.2 Building scientific-0.3.6.2 Completed parsec-3.1.13.0 Completed comonad-5.0.4 Starting bifunctors-5.5.3 Building bifunctors-5.5.3 Completed scientific-0.3.6.2 Starting attoparsec-0.13.2.2 Building attoparsec-0.13.2.2 Completed bifunctors-5.5.3 Starting profunctors-5.3 Starting semigroupoids-5.3.2 Building profunctors-5.3 Completed attoparsec-0.13.2.2 Starting parsers-0.12.9 Building parsers-0.12.9 Building semigroupoids-5.3.2 Completed profunctors-5.3 Starting invariant-0.5.1 Completed parsers-0.12.9 Building invariant-0.5.1 Completed semigroupoids-5.3.2 Starting reducers-3.12.3 Starting free-5.1 Completed vector-0.12.0.2 Building reducers-3.12.3 Building free-5.1 Completed invariant-0.5.1 Completed reducers-3.12.3 Completed free-5.1 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-4.17 Building lens-4.17 Completed lens-4.17 Starting validation-1 Starting trifecta-2 Building validation-1 Building trifecta-2 Completed validation-1 Completed trifecta-2 Starting sv-core-0.4.1 Building sv-core-0.4.1 Completed sv-core-0.4.1