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 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 StateVar-1.1.1.1 Starting cabal-doctest-1.0.6 Starting base-orphans-0.8 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 call-stack-0.1.0 Completed StateVar-1.1.1.1 Starting cmdargs-0.10.20 Building call-stack-0.1.0 Building cmdargs-0.10.20 Completed cabal-doctest-1.0.6 Starting colour-2.3.4 Completed call-stack-0.1.0 Starting containers-0.5.11.0 Building colour-2.3.4 Building containers-0.5.11.0 Completed base-compat-0.10.5 Starting dlist-0.8.0.5 Building dlist-0.8.0.5 Completed dlist-0.8.0.5 Starting erf-2.0.0.0 Building erf-2.0.0.0 Completed colour-2.3.4 Starting integer-logarithms-1.0.2.2 Building integer-logarithms-1.0.2.2 Completed erf-2.0.0.0 Starting network-2.8.0.0 Completed integer-logarithms-1.0.2.2 Starting primitive-0.6.4.0 Building primitive-0.6.4.0 Building network-2.8.0.0 Completed cmdargs-0.10.20 Starting random-1.1 Building random-1.1 Completed network-2.8.0.0 Starting reflection-2.1.4 Building reflection-2.1.4 Completed random-1.1 Starting semigroups-0.18.5 Completed primitive-0.6.4.0 Starting tagged-0.8.6 Building semigroups-0.18.5 Building tagged-0.8.6 Completed semigroups-0.18.5 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 Completed reflection-2.1.4 Starting void-0.7.2 Building utf8-string-1.0.1.1 Building void-0.7.2 Completed void-0.7.2 Starting contravariant-1.5 Building contravariant-1.5 Completed transformers-compat-0.6.2 Starting HUnit-1.6.0.0 Building HUnit-1.6.0.0 Completed utf8-string-1.0.1.1 Starting ansi-terminal-0.9 Building ansi-terminal-0.9 Completed contravariant-1.5 Starting vector-0.12.0.2 Building vector-0.12.0.2 Completed HUnit-1.6.0.0 Starting tf-random-0.5 Building tf-random-0.5 Completed ansi-terminal-0.9 Starting distributive-0.6 Completed tf-random-0.5 Starting transformers-base-0.4.5.2 Building transformers-base-0.4.5.2 Building distributive-0.6 Completed transformers-base-0.4.5.2 Starting exceptions-0.10.0 Building exceptions-0.10.0 Completed containers-0.5.11.0 Starting ansi-wl-pprint-0.6.8.2 Completed distributive-0.6 Starting th-abstraction-0.2.11.0 Building ansi-wl-pprint-0.6.8.2 Building th-abstraction-0.2.11.0 Completed exceptions-0.10.0 Starting parallel-3.2.2.0 Completed ansi-wl-pprint-0.6.8.2 Starting binary-0.8.6.0 Building parallel-3.2.2.0 Building binary-0.8.6.0 Completed th-abstraction-0.2.11.0 Starting QuickCheck-2.12.6.1 Building QuickCheck-2.12.6.1 Completed parallel-3.2.2.0 Starting comonad-5.0.4 Building comonad-5.0.4 Completed binary-0.8.6.0 Starting optparse-applicative-0.14.3.0 Building optparse-applicative-0.14.3.0 Completed comonad-5.0.4 Starting text-1.2.3.1 Building text-1.2.3.1 Completed optparse-applicative-0.14.3.0 Starting bifunctors-5.5.3 Building bifunctors-5.5.3 Completed vector-0.12.0.2 Completed QuickCheck-2.12.6.1 Downloading Crypto-4.2.5.1 Downloaded Crypto-4.2.5.1 Starting Crypto-4.2.5.1 Building Crypto-4.2.5.1 Completed bifunctors-5.5.3 Starting profunctors-5.3 Building profunctors-5.3 Completed text-1.2.3.1 Starting tagsoup-0.13.10 Starting parsec-3.1.13.0 Building parsec-3.1.13.0 Building tagsoup-0.13.10 Completed profunctors-5.3 Starting hashable-1.2.7.0 Building hashable-1.2.7.0 Completed parsec-3.1.13.0 Starting network-uri-2.6.1.0 Completed hashable-1.2.7.0 Starting uuid-types-1.0.3 Building network-uri-2.6.1.0 Building uuid-types-1.0.3 Completed uuid-types-1.0.3 Starting unordered-containers-0.2.10.0 Completed network-uri-2.6.1.0 Starting scientific-0.3.6.2 Building unordered-containers-0.2.10.0 Building scientific-0.3.6.2 Completed tagsoup-0.13.10 Starting HTTP-4000.3.12 Building HTTP-4000.3.12 Completed scientific-0.3.6.2 Starting tagsoup-selection-0.1.0.1 Building tagsoup-selection-0.1.0.1 Completed tagsoup-selection-0.1.0.1 Starting attoparsec-0.13.2.2 Completed unordered-containers-0.2.10.0 Starting semigroupoids-5.3.2 Building attoparsec-0.13.2.2 Completed Crypto-4.2.5.1 Starting invariant-0.5.1 Completed HTTP-4000.3.12 Starting charset-0.3.7.1 Building invariant-0.5.1 Building semigroupoids-5.3.2 Building charset-0.3.7.1 Completed charset-0.3.7.1 Completed invariant-0.5.1 Completed attoparsec-0.13.2.2 Starting parsers-0.12.9 Starting aeson-1.4.2.0 Building parsers-0.12.9 Building aeson-1.4.2.0 Completed semigroupoids-5.3.2 Starting free-5.1 Building free-5.1 Completed parsers-0.12.9 Completed free-5.1 Starting adjunctions-4.4 Building adjunctions-4.4 Completed aeson-1.4.2.0 Starting aeson-pretty-0.8.7 Building aeson-pretty-0.8.7 Completed adjunctions-4.4 Starting kan-extensions-5.2 Building kan-extensions-5.2 Completed aeson-pretty-0.8.7 Completed kan-extensions-5.2 Starting lens-4.17 Building lens-4.17 Completed lens-4.17 Downloading aip-0.1.3 Downloaded aip-0.1.3 Starting aip-0.1.3 Building aip-0.1.3 Completed aip-0.1.3