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... Starting StateVar-1.1.1.1 Starting cabal-doctest-1.0.6 Starting base-orphans-0.8 Starting blaze-builder-0.4.1.0 Building StateVar-1.1.1.1 Building base-orphans-0.8 Building cabal-doctest-1.0.6 Building blaze-builder-0.4.1.0 Completed base-orphans-0.8 Starting call-stack-0.1.0 Completed StateVar-1.1.1.1 Starting colour-2.3.4 Building call-stack-0.1.0 Building colour-2.3.4 Completed cabal-doctest-1.0.6 Starting double-conversion-2.0.2.0 Completed call-stack-0.1.0 Starting fingertree-0.1.4.2 Building double-conversion-2.0.2.0 Completed blaze-builder-0.4.1.0 Starting hashable-1.2.7.0 Building fingertree-0.1.4.2 Building hashable-1.2.7.0 Completed hashable-1.2.7.0 Starting haskell-lexer-1.0.2 Building haskell-lexer-1.0.2 Completed double-conversion-2.0.2.0 Starting hw-int-0.0.0.3 Completed colour-2.3.4 Starting hw-string-parse-0.0.0.4 Building hw-int-0.0.0.3 Building hw-string-parse-0.0.0.4 Completed fingertree-0.1.4.2 Starting integer-logarithms-1.0.2.2 Completed hw-int-0.0.0.3 Starting mmap-0.5.9 Building integer-logarithms-1.0.2.2 Completed hw-string-parse-0.0.0.4 Starting parallel-3.2.2.0 Building mmap-0.5.9 Building parallel-3.2.2.0 Completed integer-logarithms-1.0.2.2 Starting primitive-0.6.4.0 Building primitive-0.6.4.0 Completed mmap-0.5.9 Starting random-1.1 Building random-1.1 Completed parallel-3.2.2.0 Starting readable-0.3.1 Building readable-0.3.1 Completed readable-0.3.1 Starting reflection-2.1.4 Building reflection-2.1.4 Completed random-1.1 Starting safe-0.3.17 Building safe-0.3.17 Completed safe-0.3.17 Starting semigroups-0.18.5 Completed reflection-2.1.4 Starting tagged-0.8.6 Building semigroups-0.18.5 Building tagged-0.8.6 Completed semigroups-0.18.5 Starting terminal-size-0.3.2.1 Building terminal-size-0.3.2.1 Completed tagged-0.8.6 Starting th-abstraction-0.2.10.0 Completed primitive-0.6.4.0 Starting transformers-compat-0.6.2 Completed terminal-size-0.3.2.1 Starting unliftio-core-0.1.2.0 Building th-abstraction-0.2.10.0 Building transformers-compat-0.6.2 Completed haskell-lexer-1.0.2 Starting utf8-string-1.0.1.1 Building unliftio-core-0.1.2.0 Building utf8-string-1.0.1.1 Completed unliftio-core-0.1.2.0 Starting void-0.7.2 Building void-0.7.2 Completed transformers-compat-0.6.2 Starting wl-pprint-annotated-0.1.0.1 Completed void-0.7.2 Starting contravariant-1.5 Building wl-pprint-annotated-0.1.0.1 Building contravariant-1.5 Completed th-abstraction-0.2.10.0 Starting blaze-markup-0.8.2.2 Building blaze-markup-0.8.2.2 Completed utf8-string-1.0.1.1 Starting unordered-containers-0.2.9.0 Building unordered-containers-0.2.9.0 Completed contravariant-1.5 Starting async-2.2.1 Completed wl-pprint-annotated-0.1.0.1 Starting ansi-terminal-0.8.2 Building async-2.2.1 Building ansi-terminal-0.8.2 Completed blaze-markup-0.8.2.2 Starting distributive-0.6 Completed async-2.2.1 Starting vector-0.12.0.2 Building distributive-0.6 Building vector-0.12.0.2 Completed ansi-terminal-0.8.2 Starting scientific-0.3.6.2 Building scientific-0.3.6.2 Completed distributive-0.6 Starting pretty-show-1.9.5 Completed unordered-containers-0.2.9.0 Starting transformers-base-0.4.5.2 Building pretty-show-1.9.5 Building transformers-base-0.4.5.2 Completed transformers-base-0.4.5.2 Starting mmorph-1.1.2 Completed scientific-0.3.6.2 Starting exceptions-0.10.0 Building mmorph-1.1.2 Building exceptions-0.10.0 Completed mmorph-1.1.2 Starting constraints-0.10.1 Building constraints-0.10.1 Completed pretty-show-1.9.5 Starting th-lift-0.7.11 Completed exceptions-0.10.0 Starting blaze-html-0.9.1.1 Building th-lift-0.7.11 Building blaze-html-0.9.1.1 Completed th-lift-0.7.11 Starting ansi-wl-pprint-0.6.8.2 Building ansi-wl-pprint-0.6.8.2 Completed constraints-0.10.1 Starting comonad-5.0.4 Completed ansi-wl-pprint-0.6.8.2 Starting charset-0.3.7.1 Building charset-0.3.7.1 Building comonad-5.0.4 Completed charset-0.3.7.1 Starting monad-control-1.0.2.3 Building monad-control-1.0.2.3 Completed comonad-5.0.4 Starting attoparsec-0.13.2.2 Building attoparsec-0.13.2.2 Completed monad-control-1.0.2.3 Starting resourcet-1.2.2 Building resourcet-1.2.2 Completed resourcet-1.2.2 Starting concurrent-output-1.10.9 Building concurrent-output-1.10.9 Completed vector-0.12.0.2 Starting optparse-applicative-0.14.3.0 Completed blaze-html-0.9.1.1 Starting bifunctors-5.5.3 Building optparse-applicative-0.14.3.0 Building bifunctors-5.5.3 Completed attoparsec-0.13.2.2 Starting lifted-base-0.2.3.12 Building lifted-base-0.2.3.12 Completed lifted-base-0.2.3.12 Starting hw-prim-0.6.2.22 Building hw-prim-0.6.2.22 Completed optparse-applicative-0.14.3.0 Starting bits-extra-0.0.1.3 Completed concurrent-output-1.10.9 Starting parsers-0.12.9 Building bits-extra-0.0.1.3 Building parsers-0.12.9 Completed bifunctors-5.5.3 Starting lifted-async-0.10.0.3 Building lifted-async-0.10.0.3 Completed bits-extra-0.0.1.3 Starting semigroupoids-5.3.2 Completed hw-prim-0.6.2.22 Starting profunctors-5.3 Building profunctors-5.3 Building semigroupoids-5.3.2 Completed lifted-async-0.10.0.3 Starting hw-bits-0.7.0.5 Building hw-bits-0.7.0.5 Completed parsers-0.12.9 Starting hedgehog-0.6.1 Building hedgehog-0.6.1 Completed hw-bits-0.7.0.5 Starting hw-rankselect-base-0.3.2.1 Building hw-rankselect-base-0.3.2.1 Completed profunctors-5.3 Starting invariant-0.5.1 Building invariant-0.5.1 Completed semigroupoids-5.3.2 Starting reducers-3.12.3 Building reducers-3.12.3 Completed hw-rankselect-base-0.3.2.1 Starting free-5.1 Building free-5.1 Completed invariant-0.5.1 Starting hw-excess-0.2.0.2 Building hw-excess-0.2.0.2 Completed reducers-3.12.3 Completed hw-excess-0.2.0.2 Starting hw-balancedparens-0.2.0.2 Building hw-balancedparens-0.2.0.2 Completed hw-balancedparens-0.2.0.2 Completed free-5.1 Starting adjunctions-4.4 Building adjunctions-4.4 Completed hedgehog-0.6.1 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 Starting hw-rankselect-0.12.0.4 Building validation-1 Building hw-rankselect-0.12.0.4 Building trifecta-2 Completed validation-1 Completed hw-rankselect-0.12.0.4 Starting hw-simd-0.1.1.3 Failed to install hw-simd-0.1.1.3 Build log ( /home/builder/.cabal/logs/ghc-8.6.3/hw-simd-0.1.1.3-GS5qNEFAsu1JoWNZIEMkIW.log ): cabal: Entering directory '/tmp/cabal-tmp-16528/hw-simd-0.1.1.3' Configuring hw-simd-0.1.1.3... cabal: The program 'c2hs' is required but it could not be found. cabal: Leaving directory '/tmp/cabal-tmp-16528/hw-simd-0.1.1.3' Completed trifecta-2 cabal: Error: some packages failed to install: hw-dsv-0.3.4-KYJzDPrg8FjHKNp5leU67G depends on hw-dsv-0.3.4 which failed to install. hw-simd-0.1.1.3-GS5qNEFAsu1JoWNZIEMkIW failed during the configure step. The exception was: ExitFailure 1 sv-1.3-Bbd0Rihl0JEF7xqzwczxzf depends on sv-1.3 which failed to install.