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 colour-2.3.5 Starting dlist-0.8.0.6 Starting data-default-class-0.1.2.0 Starting base-compat-0.10.5 Building dlist-0.8.0.6 Building colour-2.3.5 Building data-default-class-0.1.2.0 Building base-compat-0.10.5 Completed data-default-class-0.1.2.0 Starting hashable-1.2.7.0 Building hashable-1.2.7.0 Completed dlist-0.8.0.6 Starting integer-logarithms-1.0.3 Building integer-logarithms-1.0.3 Completed integer-logarithms-1.0.3 Starting old-locale-1.0.0.7 Building old-locale-1.0.0.7 Completed hashable-1.2.7.0 Starting process-1.6.5.0 Completed base-compat-0.10.5 Starting random-1.1 Building random-1.1 Completed colour-2.3.5 Starting safe-0.3.17 Completed old-locale-1.0.0.7 Starting split-0.2.3.3 Building safe-0.3.17 Building split-0.2.3.3 Building process-1.6.5.0 Completed split-0.2.3.3 Starting th-abstraction-0.3.1.0 Building th-abstraction-0.3.1.0 Completed random-1.1 Starting time-locale-compat-0.1.1.5 Building time-locale-compat-0.1.1.5 Completed safe-0.3.17 Starting transformers-0.5.6.2 Building transformers-0.5.6.2 Completed time-locale-compat-0.1.1.5 Starting utf8-string-1.0.1.1 Completed process-1.6.5.0 Starting data-default-instances-containers-0.0.1 Building utf8-string-1.0.1.1 Building data-default-instances-containers-0.0.1 Completed data-default-instances-containers-0.0.1 Starting data-default-instances-dlist-0.0.1 Building data-default-instances-dlist-0.0.1 Completed th-abstraction-0.3.1.0 Starting unordered-containers-0.2.10.0 Building unordered-containers-0.2.10.0 Completed data-default-instances-dlist-0.0.1 Starting case-insensitive-1.2.1.0 Building case-insensitive-1.2.1.0 Completed utf8-string-1.0.1.1 Starting ansi-terminal-0.9.1 Building ansi-terminal-0.9.1 Completed case-insensitive-1.2.1.0 Starting data-default-instances-old-locale-0.0.1 Building data-default-instances-old-locale-0.0.1 Completed data-default-instances-old-locale-0.0.1 Starting uuid-types-1.0.3 Building uuid-types-1.0.3 Completed ansi-terminal-0.9.1 Starting http-types-0.12.3 Building http-types-0.12.3 Completed uuid-types-1.0.3 Starting data-default-0.7.1.1 Completed transformers-0.5.6.2 Starting ansi-wl-pprint-0.6.9 Building data-default-0.7.1.1 Building ansi-wl-pprint-0.6.9 Completed unordered-containers-0.2.10.0 Starting unliftio-core-0.1.2.0 Completed http-types-0.12.3 Starting transformers-compat-0.6.5 Completed data-default-0.7.1.1 Starting tagged-0.8.6 Building unliftio-core-0.1.2.0 Building transformers-compat-0.6.5 Building tagged-0.8.6 Completed unliftio-core-0.1.2.0 Starting primitive-0.6.4.0 Completed ansi-wl-pprint-0.6.9 Starting mtl-2.2.2 Building primitive-0.6.4.0 Building mtl-2.2.2 Completed transformers-compat-0.6.5 Starting cmdargs-0.10.20 Completed tagged-0.8.6 Starting optparse-applicative-0.14.3.0 Building cmdargs-0.10.20 Building optparse-applicative-0.14.3.0 Completed mtl-2.2.2 Starting regex-base-0.93.2 Building regex-base-0.93.2 Completed regex-base-0.93.2 Starting parsec-3.1.13.0 Building parsec-3.1.13.0 Completed optparse-applicative-0.14.3.0 Starting exceptions-0.10.2 Building exceptions-0.10.2 Completed primitive-0.6.4.0 Starting vector-0.12.0.3 Building vector-0.12.0.3 Completed exceptions-0.10.2 Starting scientific-0.3.6.2 Building scientific-0.3.6.2 Completed parsec-3.1.13.0 Starting resourcet-1.2.2 Building resourcet-1.2.2 Completed scientific-0.3.6.2 Starting regex-tdfa-1.2.3.2 Completed resourcet-1.2.2 Starting attoparsec-0.13.2.2 Building regex-tdfa-1.2.3.2 Building attoparsec-0.13.2.2 Completed cmdargs-0.10.20 Completed attoparsec-0.13.2.2 Completed regex-tdfa-1.2.3.2 Completed vector-0.12.0.3 Starting vector-algorithms-0.8.0.1 Starting aeson-1.4.3.0 Building vector-algorithms-0.8.0.1 Building aeson-1.4.3.0 Completed vector-algorithms-0.8.0.1 Starting mono-traversable-1.0.11.0 Building mono-traversable-1.0.11.0 Completed aeson-1.4.3.0 Starting aeson-pretty-0.8.7 Building aeson-pretty-0.8.7 Completed mono-traversable-1.0.11.0 Starting conduit-1.3.1.1 Building conduit-1.3.1.1 Completed aeson-pretty-0.8.7 Completed conduit-1.3.1.1 Starting libyaml-0.1.1.0 Building libyaml-0.1.1.0 Completed libyaml-0.1.1.0 Starting yaml-0.11.0.0 Building yaml-0.11.0.0 Completed yaml-0.11.0.0 Downloading ginger-0.8.4.1 Downloaded ginger-0.8.4.1 Starting ginger-0.8.4.1 Building ginger-0.8.4.1 Completed ginger-0.8.4.1