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 StateVar-1.2 Starting base-orphans-0.8.1 Starting cabal-doctest-1.0.6 Starting base-compat-0.10.5 Building StateVar-1.2 Building cabal-doctest-1.0.6 Building base-orphans-0.8.1 Building base-compat-0.10.5 Completed base-orphans-0.8.1 Starting call-stack-0.1.0 Completed StateVar-1.2 Starting containers-0.6.1.1 Building call-stack-0.1.0 Building containers-0.6.1.1 Completed cabal-doctest-1.0.6 Starting data-default-class-0.1.2.0 Building data-default-class-0.1.2.0 Completed call-stack-0.1.0 Starting dlist-0.8.0.6 Building dlist-0.8.0.6 Completed data-default-class-0.1.2.0 Starting integer-logarithms-1.0.3 Building integer-logarithms-1.0.3 Completed base-compat-0.10.5 Starting old-locale-1.0.0.7 Completed dlist-0.8.0.6 Starting primitive-0.7.0.0 Building old-locale-1.0.0.7 Building primitive-0.7.0.0 Completed integer-logarithms-1.0.3 Starting random-1.1 Building random-1.1 Completed old-locale-1.0.0.7 Starting reflection-2.1.4 Building reflection-2.1.4 Completed random-1.1 Starting semigroups-0.19 Building semigroups-0.19 Completed semigroups-0.19 Starting tagged-0.8.6 Building tagged-0.8.6 Completed reflection-2.1.4 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-0.6.5 Building transformers-compat-0.6.5 Completed tagged-0.8.6 Starting utf8-string-1.0.1.1 Building utf8-string-1.0.1.1 Completed primitive-0.7.0.0 Starting void-0.7.3 Completed transformers-compat-0.6.5 Starting contravariant-1.5.2 Building void-0.7.3 Building contravariant-1.5.2 Completed void-0.7.3 Starting data-default-instances-dlist-0.0.1 Completed utf8-string-1.0.1.1 Starting data-default-instances-old-locale-0.0.1 Building data-default-instances-dlist-0.0.1 Building data-default-instances-old-locale-0.0.1 Completed data-default-instances-dlist-0.0.1 Starting distributive-0.6 Completed data-default-instances-old-locale-0.0.1 Starting vector-0.12.0.3 Completed contravariant-1.5.2 Starting transformers-base-0.4.5.2 Building vector-0.12.0.3 Building transformers-base-0.4.5.2 Building distributive-0.6 Completed transformers-base-0.4.5.2 Starting exceptions-0.10.2 Building exceptions-0.10.2 Completed distributive-0.6 Completed exceptions-0.10.2 Completed containers-0.6.1.1 Starting th-abstraction-0.2.11.0 Starting parallel-3.2.2.0 Starting data-default-instances-containers-0.0.1 Building data-default-instances-containers-0.0.1 Building parallel-3.2.2.0 Building th-abstraction-0.2.11.0 Completed data-default-instances-containers-0.0.1 Starting comonad-5.0.5 Completed parallel-3.2.2.0 Starting binary-0.8.7.0 Building binary-0.8.7.0 Building comonad-5.0.5 Completed th-abstraction-0.2.11.0 Starting data-default-0.7.1.1 Building data-default-0.7.1.1 Completed data-default-0.7.1.1 Completed comonad-5.0.5 Starting bifunctors-5.5.4 Building bifunctors-5.5.4 Completed vector-0.12.0.3 Completed binary-0.8.7.0 Starting text-1.2.3.1 Building text-1.2.3.1 Completed bifunctors-5.5.4 Starting profunctors-5.4 Building profunctors-5.4 Completed profunctors-5.4 Completed text-1.2.3.1 Starting hashable-1.3.0.0 Starting parsec-3.1.13.0 Building hashable-1.3.0.0 Building parsec-3.1.13.0 Completed hashable-1.3.0.0 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 parsec-3.1.13.0 Starting network-uri-2.6.1.0 Building network-uri-2.6.1.0 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 network-uri-2.6.1.0 Starting uri-encode-1.5.0.5 Building uri-encode-1.5.0.5 Completed uri-encode-1.5.0.5 Completed unordered-containers-0.2.10.0 Starting invariant-0.5.3 Starting semigroupoids-5.3.2 Building invariant-0.5.3 Building semigroupoids-5.3.2 Completed attoparsec-0.13.2.2 Starting aeson-1.4.0.0 Building aeson-1.4.0.0 Completed invariant-0.5.3 Completed semigroupoids-5.3.2 Starting free-5.1.1 Building free-5.1.1 Completed free-5.1.1 Starting adjunctions-4.4 Completed aeson-1.4.0.0 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-4.17.1 Building lens-4.17.1 Completed lens-4.17.1 Starting lens-aeson-1.0.2 Building lens-aeson-1.0.2 Completed lens-aeson-1.0.2 Downloading json-api-lib-0.1.1.1 Downloaded json-api-lib-0.1.1.1 Starting json-api-lib-0.1.1.1 Building json-api-lib-0.1.1.1 Completed json-api-lib-0.1.1.1