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 auto-update-0.1.4.1 Starting appar-0.1.7 Starting base-compat-0.10.5 Building StateVar-1.1.1.1 Building auto-update-0.1.4.1 Building appar-0.1.7 Building base-compat-0.10.5 Completed StateVar-1.1.1.1 Starting base-orphans-0.8 Completed appar-0.1.7 Starting base16-bytestring-0.1.1.6 Completed auto-update-0.1.4.1 Starting base64-bytestring-1.0.0.2 Building base-orphans-0.8 Building base16-bytestring-0.1.1.6 Building base64-bytestring-1.0.0.2 Completed base-orphans-0.8 Starting basement-0.0.10 Completed base16-bytestring-0.1.1.6 Starting blaze-builder-0.4.1.0 Building basement-0.0.10 Building blaze-builder-0.4.1.0 Completed base64-bytestring-1.0.0.2 Starting bsb-http-chunked-0.0.0.4 Building bsb-http-chunked-0.0.0.4 Completed base-compat-0.10.5 Starting byteorder-1.0.4 Building byteorder-1.0.4 Completed bsb-http-chunked-0.0.0.4 Starting cabal-doctest-1.0.6 Building cabal-doctest-1.0.6 Completed blaze-builder-0.4.1.0 Starting call-stack-0.1.0 Completed byteorder-1.0.4 Starting clock-0.7.2 Building call-stack-0.1.0 Building clock-0.7.2 Completed call-stack-0.1.0 Starting cmdargs-0.10.20 Completed cabal-doctest-1.0.6 Starting colour-2.3.4 Building cmdargs-0.10.20 Completed clock-0.7.2 Starting data-default-class-0.1.2.0 Building colour-2.3.4 Building data-default-class-0.1.2.0 Completed data-default-class-0.1.2.0 Starting dlist-0.8.0.5 Building dlist-0.8.0.5 Completed dlist-0.8.0.5 Starting easy-file-0.2.2 Building easy-file-0.2.2 Completed colour-2.3.4 Starting entropy-0.4.1.4 Completed easy-file-0.2.2 Starting erf-2.0.0.0 Building erf-2.0.0.0 Building entropy-0.4.1.4 Completed erf-2.0.0.0 Starting file-embed-0.0.11 Building file-embed-0.0.11 Completed entropy-0.4.1.4 Starting hashable-1.2.7.0 Building hashable-1.2.7.0 Completed file-embed-0.0.11 Starting hourglass-0.2.12 Building hourglass-0.2.12 Completed hashable-1.2.7.0 Starting hspec-discover-2.7.0 Building hspec-discover-2.7.0 Completed cmdargs-0.10.20 Starting integer-logarithms-1.0.2.2 Building integer-logarithms-1.0.2.2 Completed hspec-discover-2.7.0 Starting mime-types-0.1.0.9 Building mime-types-0.1.0.9 Completed hourglass-0.2.12 Starting monad-time-0.3.1.0 Completed integer-logarithms-1.0.2.2 Starting network-3.0.1.0 Building monad-time-0.3.1.0 Completed monad-time-0.3.1.0 Starting network-byte-order-0.0.0.0 Building network-byte-order-0.0.0.0 Building network-3.0.1.0 Completed network-byte-order-0.0.0.0 Starting network-uri-2.6.1.0 Building network-uri-2.6.1.0 Completed mime-types-0.1.0.9 Starting old-locale-1.0.0.7 Building old-locale-1.0.0.7 Completed old-locale-1.0.0.7 Starting parallel-3.2.2.0 Building parallel-3.2.2.0 Completed network-uri-2.6.1.0 Starting primitive-0.6.4.0 Building primitive-0.6.4.0 Completed basement-0.0.10 Starting random-1.1 Completed parallel-3.2.2.0 Starting reflection-2.1.4 Building random-1.1 Building reflection-2.1.4 Completed network-3.0.1.0 Starting safe-0.3.17 Building safe-0.3.17 Completed random-1.1 Starting semigroups-0.18.5 Building semigroups-0.18.5 Completed safe-0.3.17 Starting servant-auth-0.3.2.0 Completed semigroups-0.18.5 Starting setenv-0.1.1.3 Building servant-auth-0.3.2.0 Completed reflection-2.1.4 Starting singleton-bool-0.1.4 Building setenv-0.1.1.3 Building singleton-bool-0.1.4 Completed servant-auth-0.3.2.0 Starting sop-core-0.4.0.0 Completed setenv-0.1.1.3 Starting split-0.2.3.3 Building sop-core-0.4.0.0 Completed singleton-bool-0.1.4 Starting string-conv-0.1.2 Building split-0.2.3.3 Building string-conv-0.1.2 Completed split-0.2.3.3 Starting tagged-0.8.6 Completed string-conv-0.1.2 Starting th-abstraction-0.2.11.0 Completed primitive-0.6.4.0 Starting time-locale-compat-0.1.1.5 Building tagged-0.8.6 Building th-abstraction-0.2.11.0 Building time-locale-compat-0.1.1.5 Completed time-locale-compat-0.1.1.5 Starting transformers-compat-0.6.2 Building transformers-compat-0.6.2 Completed tagged-0.8.6 Starting unix-compat-0.5.1 Building unix-compat-0.5.1 Completed sop-core-0.4.0.0 Starting unliftio-core-0.1.2.0 Completed th-abstraction-0.2.11.0 Starting utf8-string-1.0.1.1 Building unliftio-core-0.1.2.0 Building utf8-string-1.0.1.1 Completed transformers-compat-0.6.2 Starting void-0.7.2 Completed unix-compat-0.5.1 Starting word8-0.1.3 Completed unliftio-core-0.1.2.0 Starting zlib-0.6.2 Building void-0.7.2 Building word8-0.1.3 Building zlib-0.6.2 Completed void-0.7.2 Starting contravariant-1.5 Building contravariant-1.5 Completed word8-0.1.3 Starting base-compat-batteries-0.10.5 Completed utf8-string-1.0.1.1 Starting blaze-markup-0.8.2.2 Building base-compat-batteries-0.10.5 Building blaze-markup-0.8.2.2 Completed contravariant-1.5 Starting HUnit-1.6.0.0 Building HUnit-1.6.0.0 Completed zlib-0.6.2 Starting cookie-0.4.4 Building cookie-0.4.4 Completed blaze-markup-0.8.2.2 Starting ansi-terminal-0.9 Building ansi-terminal-0.9 Completed base-compat-batteries-0.10.5 Starting unordered-containers-0.2.10.0 Completed HUnit-1.6.0.0 Starting psqueues-0.2.7.1 Completed cookie-0.4.4 Starting case-insensitive-1.2.0.11 Building unordered-containers-0.2.10.0 Building psqueues-0.2.7.1 Building case-insensitive-1.2.0.11 Completed ansi-terminal-0.9 Starting async-2.2.1 Completed case-insensitive-1.2.0.11 Starting old-time-1.1.0.3 Building async-2.2.1 Building old-time-1.1.0.3 Completed async-2.2.1 Starting memory-0.14.18 Completed psqueues-0.2.7.1 Starting simple-sendfile-0.2.28 Building memory-0.14.18 Building simple-sendfile-0.2.28 Completed old-time-1.1.0.3 Starting iproute-1.7.7 Completed simple-sendfile-0.2.28 Starting uuid-types-1.0.3 Building iproute-1.7.7 Building uuid-types-1.0.3 Completed unordered-containers-0.2.10.0 Starting vector-0.12.0.2 Building vector-0.12.0.2 Completed uuid-types-1.0.3 Starting tf-random-0.5 Building tf-random-0.5 Completed iproute-1.7.7 Starting scientific-0.3.6.2 Building scientific-0.3.6.2 Completed memory-0.14.18 Starting distributive-0.6 Completed tf-random-0.5 Starting generics-sop-0.4.0.1 Building generics-sop-0.4.0.1 Building distributive-0.6 Completed scientific-0.3.6.2 Starting transformers-base-0.4.5.2 Building transformers-base-0.4.5.2 Completed transformers-base-0.4.5.2 Starting mmorph-1.1.2 Completed distributive-0.6 Starting exceptions-0.10.0 Building mmorph-1.1.2 Building exceptions-0.10.0 Completed mmorph-1.1.2 Starting string-conversions-0.4.0.1 Building string-conversions-0.4.0.1 Completed exceptions-0.10.0 Starting blaze-html-0.9.1.1 Completed string-conversions-0.4.0.1 Starting hspec-expectations-0.8.2 Building blaze-html-0.9.1.1 Building hspec-expectations-0.8.2 Completed hspec-expectations-0.8.2 Starting ansi-wl-pprint-0.6.8.2 Building ansi-wl-pprint-0.6.8.2 Completed ansi-wl-pprint-0.6.8.2 Starting http-types-0.12.3 Building http-types-0.12.3 Completed http-types-0.12.3 Starting http-media-0.7.1.3 Building http-media-0.7.1.3 Completed vector-0.12.0.2 Starting streaming-commons-0.2.1.0 Completed http-media-0.7.1.3 Starting http2-1.6.4 Building streaming-commons-0.2.1.0 Building http2-1.6.4 Completed blaze-html-0.9.1.1 Starting unix-time-0.4.5 Completed streaming-commons-0.2.1.0 Starting vault-0.3.1.2 Building unix-time-0.4.5 Building vault-0.3.1.2 Completed vault-0.3.1.2 Starting pem-0.2.4 Completed unix-time-0.4.5 Starting cryptonite-0.25 Building pem-0.2.4 Building cryptonite-0.25 Completed generics-sop-0.4.0.1 Starting asn1-types-0.3.2 Completed http2-1.6.4 Starting QuickCheck-2.12.6.1 Completed pem-0.2.4 Starting attoparsec-0.13.2.2 Building asn1-types-0.3.2 Building QuickCheck-2.12.6.1 Building attoparsec-0.13.2.2 Completed asn1-types-0.3.2 Starting monad-control-1.0.2.3 Building monad-control-1.0.2.3 Completed monad-control-1.0.2.3 Starting comonad-5.0.4 Building comonad-5.0.4 Completed attoparsec-0.13.2.2 Starting resourcet-1.2.2 Building resourcet-1.2.2 Completed comonad-5.0.4 Starting optparse-applicative-0.14.3.0 Completed resourcet-1.2.2 Starting vector-algorithms-0.8.0.1 Building optparse-applicative-0.14.3.0 Building vector-algorithms-0.8.0.1 Completed QuickCheck-2.12.6.1 Starting http-client-0.6.2 Building http-client-0.6.2 Completed optparse-applicative-0.14.3.0 Starting wai-3.2.2 Building wai-3.2.2 Completed vector-algorithms-0.8.0.1 Starting fast-logger-2.4.13 Completed wai-3.2.2 Starting asn1-encoding-0.9.5 Building fast-logger-2.4.13 Building asn1-encoding-0.9.5 Completed fast-logger-2.4.13 Starting http-date-0.0.8 Building http-date-0.0.8 Completed asn1-encoding-0.9.5 Starting attoparsec-iso8601-1.0.1.0 Building attoparsec-iso8601-1.0.1.0 Completed http-client-0.6.2 Starting aeson-1.4.2.0 Completed http-date-0.0.8 Starting bifunctors-5.5.3 Building aeson-1.4.2.0 Completed attoparsec-iso8601-1.0.1.0 Starting quickcheck-io-0.2.0 Building bifunctors-5.5.3 Building quickcheck-io-0.2.0 Completed quickcheck-io-0.2.0 Starting quickcheck-instances-0.3.19 Building quickcheck-instances-0.3.19 Completed quickcheck-instances-0.3.19 Starting mono-traversable-1.0.11.0 Building mono-traversable-1.0.11.0 Completed bifunctors-5.5.3 Starting wai-logger-2.3.4 Building wai-logger-2.3.4 Completed wai-logger-2.3.4 Starting asn1-parse-0.9.4 Building asn1-parse-0.9.4 Completed asn1-parse-0.9.4 Starting warp-3.2.26 Building warp-3.2.26 Completed cryptonite-0.25 Starting http-api-data-0.4 Completed mono-traversable-1.0.11.0 Starting hspec-core-2.7.0 Completed aeson-1.4.2.0 Starting semigroupoids-5.3.2 Building hspec-core-2.7.0 Building http-api-data-0.4 Building semigroupoids-5.3.2 Completed warp-3.2.26 Starting profunctors-5.3 Building profunctors-5.3 Completed http-api-data-0.4 Starting x509-1.7.5 Building x509-1.7.5 Completed hspec-core-2.7.0 Starting conduit-1.3.1 Building conduit-1.3.1 Completed semigroupoids-5.3.2 Starting wai-extra-3.0.25 Completed profunctors-5.3 Starting aeson-pretty-0.8.7 Building wai-extra-3.0.25 Building aeson-pretty-0.8.7 Completed x509-1.7.5 Starting servant-0.16 Completed aeson-pretty-0.8.7 Starting hspec-2.7.0 Building servant-0.16 Building hspec-2.7.0 Completed hspec-2.7.0 Starting invariant-0.5.1 Building invariant-0.5.1 Completed wai-extra-3.0.25 Starting free-5.1 Building free-5.1 Completed conduit-1.3.1 Starting wai-app-static-3.1.6.3 Completed servant-0.16 Building wai-app-static-3.1.6.3 Completed invariant-0.5.1 Completed wai-app-static-3.1.6.3 Starting servant-server-0.16 Building servant-server-0.16 Completed free-5.1 Starting adjunctions-4.4 Starting servant-client-core-0.16 Building adjunctions-4.4 Building servant-client-core-0.16 Completed servant-client-core-0.16 Completed adjunctions-4.4 Starting kan-extensions-5.2 Building kan-extensions-5.2 Completed servant-server-0.16 Completed kan-extensions-5.2 Starting servant-client-0.16 Starting lens-4.17 Building servant-client-0.16 Building lens-4.17 Completed servant-client-0.16 Completed lens-4.17 Starting concise-0.1.0.1 Starting insert-ordered-containers-0.2.1.0 Building concise-0.1.0.1 Building insert-ordered-containers-0.2.1.0 Completed concise-0.1.0.1 Starting jose-0.8.0.0 Building jose-0.8.0.0 Completed insert-ordered-containers-0.2.1.0 Starting swagger2-2.3.1.1 Building swagger2-2.3.1.1 Completed jose-0.8.0.0 Starting servant-auth-server-0.4.4.0 Building servant-auth-server-0.4.4.0 Completed servant-auth-server-0.4.4.0 Completed swagger2-2.3.1.1 Starting servant-swagger-1.1.7 Building servant-swagger-1.1.7 Completed servant-swagger-1.1.7 Starting servant-auth-swagger-0.2.10.0 Building servant-auth-swagger-0.2.10.0 Completed servant-auth-swagger-0.2.10.0 Starting cachix-api-0.2.0 Building cachix-api-0.2.0 Failed to install cachix-api-0.2.0 Build log ( /home/builder/.cabal/logs/ghc-8.6.3/cachix-api-0.2.0-6XA5rbiF9RfJoz7Y4E4WAs.log ): cabal: Entering directory '/tmp/cabal-tmp-23754/cachix-api-0.2.0' Configuring cachix-api-0.2.0... Preprocessing library for cachix-api-0.2.0.. Building library for cachix-api-0.2.0.. [ 1 of 13] Compiling Cachix.Api.Error ( src/Cachix/Api/Error.hs, dist/build/Cachix/Api/Error.o ) [ 2 of 13] Compiling Cachix.Api.Signing ( src/Cachix/Api/Signing.hs, dist/build/Cachix/Api/Signing.o ) [ 3 of 13] Compiling Cachix.Api.Types ( src/Cachix/Api/Types.hs, dist/build/Cachix/Api/Types.o ) [ 4 of 13] Compiling Cachix.Types.BinaryCacheAuthenticated ( src/Cachix/Types/BinaryCacheAuthenticated.hs, dist/build/Cachix/Types/BinaryCacheAuthenticated.o ) [ 5 of 13] Compiling Cachix.Types.BinaryCacheCreate ( src/Cachix/Types/BinaryCacheCreate.hs, dist/build/Cachix/Types/BinaryCacheCreate.o ) [ 6 of 13] Compiling Cachix.Types.ContentTypes ( src/Cachix/Types/ContentTypes.hs, dist/build/Cachix/Types/ContentTypes.o ) [ 7 of 13] Compiling Cachix.Types.GitHubTeam ( src/Cachix/Types/GitHubTeam.hs, dist/build/Cachix/Types/GitHubTeam.o ) [ 8 of 13] Compiling Cachix.Types.NarInfoCreate ( src/Cachix/Types/NarInfoCreate.hs, dist/build/Cachix/Types/NarInfoCreate.o ) [ 9 of 13] Compiling Cachix.Types.Servant ( src/Cachix/Types/Servant.hs, dist/build/Cachix/Types/Servant.o ) [10 of 13] Compiling Cachix.Types.Session ( src/Cachix/Types/Session.hs, dist/build/Cachix/Types/Session.o ) [11 of 13] Compiling Cachix.Types.SigningKeyCreate ( src/Cachix/Types/SigningKeyCreate.hs, dist/build/Cachix/Types/SigningKeyCreate.o ) [12 of 13] Compiling Cachix.Types.SwaggerOrphans ( src/Cachix/Types/SwaggerOrphans.hs, dist/build/Cachix/Types/SwaggerOrphans.o ) src/Cachix/Types/SwaggerOrphans.hs:23:10: error: Duplicate instance declarations: instance NFData NoContent -- Defined at src/Cachix/Types/SwaggerOrphans.hs:23:10 instance NFData NoContent -- Defined in ‘Servant.API.ContentTypes’ | 23 | instance NFData NoContent | ^^^^^^^^^^^^^^^^ cabal: Leaving directory '/tmp/cabal-tmp-23754/cachix-api-0.2.0' cabal: Error: some packages failed to install: cachix-api-0.2.0-6XA5rbiF9RfJoz7Y4E4WAs failed during the building phase. The exception was: ExitFailure 1