Resolving dependencies... Configuring OneTuple-0.2.2... Configuring SHA-1.6.4.4... Building OneTuple-0.2.2... Building SHA-1.6.4.4... Installed OneTuple-0.2.2 Configuring StateVar-1.1.1.0... Building StateVar-1.1.1.0... Installed StateVar-1.1.1.0 Configuring appar-0.1.4... Building appar-0.1.4... Installed appar-0.1.4 Configuring auto-update-0.1.4... Building auto-update-0.1.4... Installed SHA-1.6.4.4 Configuring base-compat-0.10.3... Installed auto-update-0.1.4 Configuring base-orphans-0.8... Building base-compat-0.10.3... Building base-orphans-0.8... Installed base-orphans-0.8 Configuring base16-bytestring-0.1.1.6... Building base16-bytestring-0.1.1.6... Installed base16-bytestring-0.1.1.6 Configuring base64-bytestring-1.0.0.1... Building base64-bytestring-1.0.0.1... Installed base-compat-0.10.3 Configuring basement-0.0.7... Building basement-0.0.7... Installed base64-bytestring-1.0.0.1 Configuring blaze-builder-0.4.1.0... Building blaze-builder-0.4.1.0... Installed blaze-builder-0.4.1.0 Configuring byteable-0.1.1... Building byteable-0.1.1... Installed byteable-0.1.1 Configuring byteorder-1.0.4... Building byteorder-1.0.4... Installed byteorder-1.0.4 Configuring bytestring-builder-0.10.8.1.0... Building bytestring-builder-0.10.8.1.0... Installed bytestring-builder-0.10.8.1.0 Configuring cabal-doctest-1.0.6... Building cabal-doctest-1.0.6... Installed cabal-doctest-1.0.6 Configuring call-stack-0.1.0... Building call-stack-0.1.0... Installed call-stack-0.1.0 Configuring cereal-0.5.5.0... Building cereal-0.5.5.0... Installed cereal-0.5.5.0 Configuring colour-2.3.4... Building colour-2.3.4... Installed colour-2.3.4 Configuring data-default-class-0.1.2.0... Building data-default-class-0.1.2.0... Installed data-default-class-0.1.2.0 Configuring dlist-0.8.0.4... Building dlist-0.8.0.4... Installed dlist-0.8.0.4 Configuring easy-file-0.2.2... Building easy-file-0.2.2... Installed easy-file-0.2.2 Configuring entropy-0.4.1.1... Installed basement-0.0.7 Configuring fail-4.9.0.0... Building fail-4.9.0.0... Installed fail-4.9.0.0 Configuring file-embed-0.0.10.1... Building file-embed-0.0.10.1... Building entropy-0.4.1.1... Installed file-embed-0.0.10.1 Configuring hashable-1.2.7.0... Building hashable-1.2.7.0... Installed entropy-0.4.1.1 Configuring hourglass-0.2.11... Building hourglass-0.2.11... Installed hashable-1.2.7.0 Configuring integer-logarithms-1.0.2.1... Building integer-logarithms-1.0.2.1... Installed integer-logarithms-1.0.2.1 Configuring mime-types-0.1.0.8... Building mime-types-0.1.0.8... Installed hourglass-0.2.11 Configuring natural-transformation-0.4... Building natural-transformation-0.4... Installed natural-transformation-0.4 Configuring network-2.7.0.1... Installed mime-types-0.1.0.8 Configuring network-uri-2.6.1.0... Building network-uri-2.6.1.0... Building network-2.7.0.1... Installed network-uri-2.6.1.0 Configuring old-locale-1.0.0.7... Building old-locale-1.0.0.7... Installed old-locale-1.0.0.7 Configuring parallel-3.2.1.1... Building parallel-3.2.1.1... Installed parallel-3.2.1.1 Configuring primitive-0.6.4.0... Installed network-2.7.0.1 Configuring random-1.1... Building primitive-0.6.4.0... Building random-1.1... Installed random-1.1 Configuring reflection-2.1.4... Building reflection-2.1.4... Installed reflection-2.1.4 Configuring safe-0.3.17... Building safe-0.3.17... Installed primitive-0.6.4.0 Configuring say-0.1.0.0... Building say-0.1.0.0... Installed safe-0.3.17 Configuring semigroups-0.18.5... Installed say-0.1.0.0 Configuring singleton-bool-0.1.4... Building semigroups-0.18.5... Building singleton-bool-0.1.4... Installed semigroups-0.18.5 Configuring split-0.2.3.3... Installed singleton-bool-0.1.4 Configuring stm-chans-3.0.0.4... Building split-0.2.3.3... Installed split-0.2.3.3 Configuring stringsearch-0.3.6.6... Building stm-chans-3.0.0.4... Building stringsearch-0.3.6.6... Installed stm-chans-3.0.0.4 Configuring tagged-0.8.6... Building tagged-0.8.6... Installed stringsearch-0.3.6.6 Configuring th-abstraction-0.2.8.0... Building th-abstraction-0.2.8.0... Installed tagged-0.8.6 Configuring time-locale-compat-0.1.1.4... Building time-locale-compat-0.1.1.4... Installed time-locale-compat-0.1.1.4 Configuring time-units-1.0.0... Building time-units-1.0.0... Installed th-abstraction-0.2.8.0 Configuring transformers-compat-0.6.2... Building transformers-compat-0.6.2... Installed time-units-1.0.0 Configuring unix-compat-0.5.0.1... Building unix-compat-0.5.0.1... Installed transformers-compat-0.6.2 Configuring unliftio-core-0.1.1.0... Installed unix-compat-0.5.0.1 Configuring utf8-string-1.0.1.1... Building unliftio-core-0.1.1.0... Building utf8-string-1.0.1.1... Installed unliftio-core-0.1.1.0 Configuring void-0.7.2... Building void-0.7.2... Installed void-0.7.2 Configuring word8-0.1.3... Building word8-0.1.3... Installed utf8-string-1.0.1.1 Configuring zlib-0.6.2... Building zlib-0.6.2... Installed word8-0.1.3 Configuring tuple-0.3.0.2... Building tuple-0.3.0.2... Installed zlib-0.6.2 Configuring contravariant-1.5... Building contravariant-1.5... Installed contravariant-1.5 Configuring blaze-markup-0.8.2.1... Building blaze-markup-0.8.2.1... Installed blaze-markup-0.8.2.1 Configuring bsb-http-chunked-0.0.0.2... Building bsb-http-chunked-0.0.0.2... Installed bsb-http-chunked-0.0.0.2 Configuring ansi-terminal-0.8.0.4... Building ansi-terminal-0.8.0.4... Installed ansi-terminal-0.8.0.4 Configuring data-default-instances-containers-0.0.1... Building data-default-instances-containers-0.0.1... Installed tuple-0.3.0.2 Configuring cookie-0.4.4... Installed data-default-instances-containers-0.0.1 Configuring data-default-instances-dlist-0.0.1... Building cookie-0.4.4... Building data-default-instances-dlist-0.0.1... Installed data-default-instances-dlist-0.0.1 Configuring foundation-0.0.20... Installed cookie-0.4.4 Configuring unordered-containers-0.2.9.0... Building foundation-0.0.20... Building unordered-containers-0.2.9.0... Installed unordered-containers-0.2.9.0 Configuring psqueues-0.2.7.0... Building psqueues-0.2.7.0... Installed psqueues-0.2.7.0 Configuring case-insensitive-1.2.0.11... Building case-insensitive-1.2.0.11... Installed case-insensitive-1.2.0.11 Configuring async-2.2.1... Building async-2.2.1... Installed async-2.2.1 Configuring old-time-1.1.0.3... Building old-time-1.1.0.3... Installed old-time-1.1.0.3 Configuring data-default-instances-old-locale-0.0.1... Building data-default-instances-old-locale-0.0.1... Installed data-default-instances-old-locale-0.0.1 Configuring socks-0.5.6... Building socks-0.5.6... Installed foundation-0.0.20 Configuring simple-sendfile-0.2.27... Installed socks-0.5.6 Configuring iproute-1.7.5... Building simple-sendfile-0.2.27... Building iproute-1.7.5... Installed simple-sendfile-0.2.27 Configuring uuid-types-1.0.3... Building uuid-types-1.0.3... Installed iproute-1.7.5 Configuring vector-0.12.0.1... Building vector-0.12.0.1... Installed uuid-types-1.0.3 Configuring scientific-0.3.6.2... Building scientific-0.3.6.2... Installed scientific-0.3.6.2 Configuring dlist-instances-0.1.1.1... Building dlist-instances-0.1.1.1... Installed dlist-instances-0.1.1.1 Configuring distributive-0.6... Building distributive-0.6... Installed distributive-0.6 Configuring crypto-api-0.13.3... Building crypto-api-0.13.3... Installed crypto-api-0.13.3 Configuring th-lift-0.7.10... Building th-lift-0.7.10... Installed th-lift-0.7.10 Configuring transformers-base-0.4.5.2... Building transformers-base-0.4.5.2... Installed transformers-base-0.4.5.2 Configuring mmorph-1.1.2... Building mmorph-1.1.2... Installed mmorph-1.1.2 Configuring exceptions-0.10.0... Installed vector-0.12.0.1 Configuring string-conversions-0.4.0.1... Building exceptions-0.10.0... Building string-conversions-0.4.0.1... Installed string-conversions-0.4.0.1 Configuring blaze-html-0.9.1.1... Building blaze-html-0.9.1.1... Installed exceptions-0.10.0 Configuring ansi-wl-pprint-0.6.8.2... Building ansi-wl-pprint-0.6.8.2... Installed ansi-wl-pprint-0.6.8.2 Configuring vault-0.3.1.1... Building vault-0.3.1.1... Installed vault-0.3.1.1 Configuring http2-1.6.3... Building http2-1.6.3... Installed blaze-html-0.9.1.1 Configuring http-types-0.12.1... Building http-types-0.12.1... Installed http2-1.6.3 Configuring http-media-0.7.1.2... Building http-media-0.7.1.2... Installed http-types-0.12.1 Configuring unliftio-0.2.7.0... Building unliftio-0.2.7.0... Installed http-media-0.7.1.2 Configuring streaming-commons-0.2.1.0... Building streaming-commons-0.2.1.0... Installed unliftio-0.2.7.0 Configuring unix-time-0.3.8... Building unix-time-0.3.8... Installed streaming-commons-0.2.1.0 Configuring data-default-0.7.1.1... Building data-default-0.7.1.1... Installed unix-time-0.3.8 Configuring memory-0.14.16... Installed data-default-0.7.1.1 Configuring attoparsec-0.13.2.2... Building memory-0.14.16... Building attoparsec-0.13.2.2... Installed attoparsec-0.13.2.2 Configuring comonad-5.0.4... Installed memory-0.14.16 Configuring monad-control-1.0.2.3... Building monad-control-1.0.2.3... Building comonad-5.0.4... Installed monad-control-1.0.2.3 Configuring vector-algorithms-0.7.0.1... Building vector-algorithms-0.7.0.1... Installed comonad-5.0.4 Configuring th-lift-instances-0.1.11... Building th-lift-instances-0.1.11... Installed th-lift-instances-0.1.11 Configuring chunked-data-0.3.1... Building chunked-data-0.3.1... Installed vector-algorithms-0.7.0.1 Configuring basic-prelude-0.7.0... Installed chunked-data-0.3.1 Configuring resourcet-1.2.1... Building basic-prelude-0.7.0... Building resourcet-1.2.1... Installed resourcet-1.2.1 Configuring errors-2.3.0... Building errors-2.3.0... Installed basic-prelude-0.7.0 Configuring optparse-applicative-0.14.2.0... Building optparse-applicative-0.14.2.0... Installed errors-2.3.0 Configuring wai-3.2.1.2... Building wai-3.2.1.2... Installed wai-3.2.1.2 Configuring fast-logger-2.4.11... Building fast-logger-2.4.11... Installed optparse-applicative-0.14.2.0 Configuring http-date-0.0.7... Building http-date-0.0.7... Installed fast-logger-2.4.11 Configuring attoparsec-iso8601-1.0.0.0... Building attoparsec-iso8601-1.0.0.0... Installed http-date-0.0.7 Configuring aeson-1.4.0.0... Building aeson-1.4.0.0... Installed attoparsec-iso8601-1.0.0.0 Configuring pem-0.2.4... Building pem-0.2.4... Installed pem-0.2.4 Configuring http-client-0.5.13.1... Building http-client-0.5.13.1... Installed http-client-0.5.13.1 Configuring cryptonite-0.25... Building cryptonite-0.25... Installed aeson-1.4.0.0 Configuring asn1-types-0.3.2... Building asn1-types-0.3.2... Installed asn1-types-0.3.2 Configuring lifted-base-0.2.3.12... Building lifted-base-0.2.3.12... Installed lifted-base-0.2.3.12 Configuring bifunctors-5.5.2... Building bifunctors-5.5.2... Installed bifunctors-5.5.2 Configuring uri-bytestring-0.3.2.0... Building uri-bytestring-0.3.2.0... Installed uri-bytestring-0.3.2.0 Configuring mono-traversable-1.0.8.1... Building mono-traversable-1.0.8.1... Installed cryptonite-0.25 Configuring text-conversions-0.3.0... Installed mono-traversable-1.0.8.1 Configuring wai-logger-2.3.2... Building text-conversions-0.3.0... Building wai-logger-2.3.2... Installed text-conversions-0.3.0 Configuring warp-3.2.22... Installed wai-logger-2.3.2 Configuring asn1-encoding-0.9.5... Building warp-3.2.22... Building asn1-encoding-0.9.5... Installed asn1-encoding-0.9.5 Configuring semigroupoids-5.3.1... Building semigroupoids-5.3.1... Installed warp-3.2.22 Configuring profunctors-5.3... Building profunctors-5.3... Installed semigroupoids-5.3.1 Configuring http-api-data-0.3.8.1... Building http-api-data-0.3.8.1... Installed profunctors-5.3 Configuring mutable-containers-0.3.4... Building mutable-containers-0.3.4... Installed http-api-data-0.3.8.1 Configuring wai-extra-3.0.22.1... Installed mutable-containers-0.3.4 Configuring crypto-pubkey-types-0.4.3... Building wai-extra-3.0.22.1... Building crypto-pubkey-types-0.4.3... Installed crypto-pubkey-types-0.4.3 Configuring asn1-parse-0.9.4... Building asn1-parse-0.9.4... Installed wai-extra-3.0.22.1 Configuring free-5.0.2... Installed asn1-parse-0.9.4 Configuring servant-0.14... Building free-5.0.2... Building servant-0.14... Installed servant-0.14 Configuring RSA-2.3.0... Building RSA-2.3.0... Installed RSA-2.3.0 Configuring wai-app-static-3.1.6.2... Building wai-app-static-3.1.6.2... Installed free-5.0.2 Configuring x509-1.7.3... Building x509-1.7.3... Installed wai-app-static-3.1.6.2 Configuring authenticate-oauth-1.6... Building authenticate-oauth-1.6... Installed x509-1.7.3 Configuring keys-3.12... Building keys-3.12... Installed authenticate-oauth-1.6 Configuring adjunctions-4.4... Building adjunctions-4.4... Installed keys-3.12 Configuring servant-server-0.14... Building servant-server-0.14... Installed adjunctions-4.4 Configuring x509-store-1.6.6... Building x509-store-1.6.6... Installed x509-store-1.6.6 Configuring kan-extensions-5.1... Building kan-extensions-5.1... Installed servant-server-0.14 Configuring x509-validation-1.6.10... Building x509-validation-1.6.10... Installed kan-extensions-5.1 Configuring x509-system-1.6.6... Building x509-system-1.6.6... Installed x509-validation-1.6.10 Configuring pointed-5.0.1... Installed x509-system-1.6.6 Configuring lens-4.16.1... Building pointed-5.0.1... Installed pointed-5.0.1 Configuring tls-1.4.1... Building lens-4.16.1... Building tls-1.4.1... Installed tls-1.4.1 Configuring vector-instances-3.4... Building vector-instances-3.4... Installed vector-instances-3.4 Configuring connection-0.2.8... Building connection-0.2.8... Installed connection-0.2.8 Configuring mono-traversable-instances-0.1.0.0... Building mono-traversable-instances-0.1.0.0... Installed mono-traversable-instances-0.1.0.0 Configuring http-client-tls-0.3.5.3... Building http-client-tls-0.3.5.3... Installed http-client-tls-0.3.5.3 Configuring classy-prelude-1.4.0... Building classy-prelude-1.4.0... Installed classy-prelude-1.4.0 Installed lens-4.16.1 Configuring lens-aeson-1.0.2... Configuring rfc-prelude-0.0.0.2... Building rfc-prelude-0.0.0.2... Failed to install rfc-prelude-0.0.0.2 Build log ( /home/builder/.cabal/logs/ghc-8.4.3/rfc-prelude-0.0.0.2-7bJCMqfik9w5XWRqGNZ5CM.log ): cabal: Entering directory '/tmp/cabal-tmp-1832/rfc-prelude-0.0.0.2' Configuring rfc-prelude-0.0.0.2... Preprocessing library for rfc-prelude-0.0.0.2.. Building library for rfc-prelude-0.0.0.2.. [1 of 8] Compiling Paths_rfc_prelude ( dist/build/autogen/Paths_rfc_prelude.hs, dist/build/Paths_rfc_prelude.o ) [2 of 8] Compiling RFC.Prelude.Concurrent ( src/RFC/Prelude/Concurrent.hs, dist/build/RFC/Prelude/Concurrent.o ) src/RFC/Prelude/Concurrent.hs:38:1: error: [-Wredundant-constraints, -Werror=redundant-constraints] • Redundant constraint: Semigroup (t a) • In the type signature for: filterConcurrently :: forall (t :: * -> *) a (m :: * -> *). (Traversable t, Applicative t, Semigroup (t a), Monoid (t a), MonadUnliftIO m) => (a -> Bool) -> t (m a) -> m (t a) | 38 | filterConcurrently :: (Traversable t, Applicative t, Semigroup (t a), Monoid (t a), MonadUnliftIO m) => (a -> Bool) -> t (m a) -> m (t a) | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [3 of 8] Compiling RFC.Prelude.Instances ( src/RFC/Prelude/Instances.hs, dist/build/RFC/Prelude/Instances.o ) [4 of 8] Compiling RFC.Prelude.String ( src/RFC/Prelude/String.hs, dist/build/RFC/Prelude/String.o ) [5 of 8] Compiling RFC.Prelude.JSON ( src/RFC/Prelude/JSON.hs, dist/build/RFC/Prelude/JSON.o ) [6 of 8] Compiling RFC.Data.UUID ( src/RFC/Data/UUID.hs, dist/build/RFC/Data/UUID.o ) cabal: Leaving directory '/tmp/cabal-tmp-1832/rfc-prelude-0.0.0.2' Building lens-aeson-1.0.2... Installed lens-aeson-1.0.2 cabal: Error: some packages failed to install: rfc-http-client-0.0.0.1-IGshFVZTOMG2IdmzbyIr5O depends on rfc-http-client-0.0.0.1 which failed to install. rfc-prelude-0.0.0.2-7bJCMqfik9w5XWRqGNZ5CM failed during the building phase. The exception was: ExitFailure 1