Resolving dependencies... Configuring StateVar-1.1.1.0... Configuring OneTuple-0.2.2... Building StateVar-1.1.1.0... Building OneTuple-0.2.2... Installed StateVar-1.1.1.0 Configuring base-compat-0.10.3... Installed OneTuple-0.2.2 Configuring base-orphans-0.8... Building base-compat-0.10.3... Building base-orphans-0.8... Installed base-orphans-0.8 Configuring base-prelude-1.3... Building base-prelude-1.3... Installed base-compat-0.10.3 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-prelude-1.3 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 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 cryptohash-md5-0.11.100.1... Building cryptohash-md5-0.11.100.1... Installed cryptohash-md5-0.11.100.1 Configuring cryptohash-sha1-0.11.100.1... Building cryptohash-sha1-0.11.100.1... Installed cryptohash-sha1-0.11.100.1 Configuring data-bword-0.1.0.1... Building data-bword-0.1.0.1... Installed data-bword-0.1.0.1 Configuring data-checked-0.3... Building data-checked-0.3... Installed data-checked-0.3 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 data-endian-0.1.1... Building data-endian-0.1.1... Installed data-endian-0.1.1 Configuring dlist-0.8.0.4... Building dlist-0.8.0.4... Installed dlist-0.8.0.4 Configuring entropy-0.4.1.1... Installed basement-0.0.7 Configuring envy-1.5.0.0... Building entropy-0.4.1.1... Building envy-1.5.0.0... Installed entropy-0.4.1.1 Configuring fail-4.9.0.0... Installed envy-1.5.0.0 Configuring hashable-1.2.7.0... Building fail-4.9.0.0... Building hashable-1.2.7.0... Installed fail-4.9.0.0 Configuring integer-logarithms-1.0.2.1... Building integer-logarithms-1.0.2.1... Installed integer-logarithms-1.0.2.1 Configuring loch-th-0.2.2... Building loch-th-0.2.2... Installed hashable-1.2.7.0 Configuring network-2.7.0.1... Installed loch-th-0.2.2 Configuring network-info-0.2.0.10... Building network-info-0.2.0.10... Building network-2.7.0.1... Installed network-info-0.2.0.10 Configuring network-uri-2.6.1.0... Building network-uri-2.6.1.0... 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 network-2.7.0.1 Configuring placeholders-0.1... Building placeholders-0.1... Installed parallel-3.2.1.1 Configuring polyparse-1.12... Building polyparse-1.12... Installed placeholders-0.1 Configuring primitive-0.6.4.0... Building primitive-0.6.4.0... Installed polyparse-1.12 Configuring random-1.1... Building random-1.1... Installed random-1.1 Configuring reflection-2.1.4... Building reflection-2.1.4... Installed primitive-0.6.4.0 Configuring safe-0.3.17... Building safe-0.3.17... Installed safe-0.3.17 Configuring say-0.1.0.0... Building say-0.1.0.0... Installed reflection-2.1.4 Configuring semigroups-0.18.5... Building semigroups-0.18.5... Installed say-0.1.0.0 Configuring split-0.2.3.3... Building split-0.2.3.3... Installed semigroups-0.18.5 Configuring stm-chans-3.0.0.4... Installed split-0.2.3.3 Configuring syb-0.7... Building syb-0.7... Building stm-chans-3.0.0.4... Installed stm-chans-3.0.0.4 Configuring tagged-0.8.6... Installed syb-0.7 Configuring th-abstraction-0.2.8.0... Building tagged-0.8.6... 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 th-abstraction-0.2.8.0 Configuring time-units-1.0.0... Installed time-locale-compat-0.1.1.4 Configuring transformers-compat-0.6.2... Building time-units-1.0.0... Building transformers-compat-0.6.2... Installed time-units-1.0.0 Configuring type-hint-0.1... Installed transformers-compat-0.6.2 Configuring unliftio-core-0.1.1.0... Building type-hint-0.1... Building unliftio-core-0.1.1.0... Installed type-hint-0.1 Configuring utf8-string-1.0.1.1... Installed unliftio-core-0.1.1.0 Configuring void-0.7.2... Building utf8-string-1.0.1.1... Building void-0.7.2... Installed void-0.7.2 Configuring contravariant-1.5... Building contravariant-1.5... Installed utf8-string-1.0.1.1 Configuring tuple-0.3.0.2... Building tuple-0.3.0.2... Installed contravariant-1.5 Configuring binary-parser-0.5.5... Building binary-parser-0.5.5... Installed binary-parser-0.5.5 Configuring data-default-instances-containers-0.0.1... Building data-default-instances-containers-0.0.1... Installed data-default-instances-containers-0.0.1 Configuring data-default-instances-dlist-0.0.1... Building data-default-instances-dlist-0.0.1... Installed data-default-instances-dlist-0.0.1 Configuring foundation-0.0.20... Building foundation-0.0.20... Installed tuple-0.3.0.2 Configuring unordered-containers-0.2.9.0... Building unordered-containers-0.2.9.0... Installed unordered-containers-0.2.9.0 Configuring data-dword-0.3.1.2... Building data-dword-0.3.1.2... Installed foundation-0.0.20 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 uuid-types-1.0.3... Building uuid-types-1.0.3... Installed uuid-types-1.0.3 Configuring vector-0.12.0.1... Building vector-0.12.0.1... Installed data-dword-0.3.1.2 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 bytestring-strict-builder-0.4.5.1... Building bytestring-strict-builder-0.4.5.1... Installed bytestring-strict-builder-0.4.5.1 Configuring th-expand-syns-0.4.4.0... Building th-expand-syns-0.4.4.0... Installed th-expand-syns-0.4.4.0 Configuring distributive-0.6... Building distributive-0.6... Installed vector-0.12.0.1 Configuring th-lift-0.7.10... Building th-lift-0.7.10... Installed distributive-0.6 Configuring transformers-base-0.4.5.2... Building transformers-base-0.4.5.2... Installed th-lift-0.7.10 Configuring exceptions-0.10.0... Installed transformers-base-0.4.5.2 Configuring charset-0.3.7.1... Building exceptions-0.10.0... Building charset-0.3.7.1... Installed exceptions-0.10.0 Configuring memory-0.14.16... Building memory-0.14.16... Installed charset-0.3.7.1 Configuring text-latin1-0.3.1... Building text-latin1-0.3.1... Installed text-latin1-0.3.1 Configuring http-types-0.12.1... Building http-types-0.12.1... Installed http-types-0.12.1 Configuring unliftio-0.2.7.0... Installed memory-0.14.16 Configuring cpphs-1.20.8... Building unliftio-0.2.7.0... Building cpphs-1.20.8... Installed unliftio-0.2.7.0 Configuring convertible-1.1.1.0... Building convertible-1.1.1.0... Installed cpphs-1.20.8 Configuring data-default-0.7.1.1... Building data-default-0.7.1.1... Installed data-default-0.7.1.1 Configuring uuid-1.3.13... Building uuid-1.3.13... Installed uuid-1.3.13 Configuring attoparsec-0.13.2.2... Building attoparsec-0.13.2.2... Installed convertible-1.1.1.0 Configuring th-reify-many-0.1.8... Building th-reify-many-0.1.8... Installed th-reify-many-0.1.8 Configuring vector-algorithms-0.7.0.1... Building vector-algorithms-0.7.0.1... Installed attoparsec-0.13.2.2 Configuring chunked-data-0.3.1... Building chunked-data-0.3.1... Installed chunked-data-0.3.1 Configuring basic-prelude-0.7.0... Building basic-prelude-0.7.0... Installed vector-algorithms-0.7.0.1 Configuring comonad-5.0.4... Installed basic-prelude-0.7.0 Configuring th-lift-instances-0.1.11... Building comonad-5.0.4... Building th-lift-instances-0.1.11... Installed th-lift-instances-0.1.11 Configuring monad-control-1.0.2.3... Building monad-control-1.0.2.3... Installed comonad-5.0.4 Configuring errors-2.3.0... Building errors-2.3.0... Installed monad-control-1.0.2.3 Configuring text-printer-0.5... Building text-printer-0.5... Installed errors-2.3.0 Configuring cryptonite-0.25... Building cryptonite-0.25... Installed text-printer-0.5 Configuring haskell-src-exts-1.20.2... Building haskell-src-exts-1.20.2... Installed cryptonite-0.25 Configuring HDBC-2.4.0.2... Building HDBC-2.4.0.2... Installed HDBC-2.4.0.2 Configuring parsers-0.12.8... Building parsers-0.12.8... Installed parsers-0.12.8 Configuring attoparsec-iso8601-1.0.0.0... Building attoparsec-iso8601-1.0.0.0... Installed attoparsec-iso8601-1.0.0.0 Configuring aeson-1.4.0.0... Building aeson-1.4.0.0... Installed aeson-1.4.0.0 Configuring mono-traversable-1.0.8.1... Building mono-traversable-1.0.8.1... Installed haskell-src-exts-1.20.2 Configuring uri-bytestring-0.3.2.0... Building uri-bytestring-0.3.2.0... Installed uri-bytestring-0.3.2.0 Configuring th-orphans-0.13.6... Installed mono-traversable-1.0.8.1 Configuring bifunctors-5.5.2... Building th-orphans-0.13.6... Building bifunctors-5.5.2... Installed th-orphans-0.13.6 Configuring resource-pool-0.2.3.2... Building resource-pool-0.2.3.2... Installed bifunctors-5.5.2 Configuring text-conversions-0.3.0... Building text-conversions-0.3.0... Installed resource-pool-0.2.3.2 Configuring data-textual-0.3.0.2... Building data-textual-0.3.0.2... Installed text-conversions-0.3.0 Configuring data-serializer-0.3.4... Building data-serializer-0.3.4... Installed data-serializer-0.3.4 Configuring http-api-data-0.3.8.1... Building http-api-data-0.3.8.1... Installed data-textual-0.3.0.2 Configuring mutable-containers-0.3.4... Building mutable-containers-0.3.4... Installed http-api-data-0.3.8.1 Configuring haskell-src-meta-0.8.0.3... Building haskell-src-meta-0.8.0.3... Installed mutable-containers-0.3.4 Configuring semigroupoids-5.3.1... Building semigroupoids-5.3.1... Installed haskell-src-meta-0.8.0.3 Configuring profunctors-5.3... Building profunctors-5.3... Installed semigroupoids-5.3.1 Configuring network-ip-0.3.0.2... Installed profunctors-5.3 Configuring free-5.0.2... Building network-ip-0.3.0.2... Building free-5.0.2... Installed network-ip-0.3.0.2 Configuring postgresql-binary-0.12.1.1... Building postgresql-binary-0.12.1.1... Installed postgresql-binary-0.12.1.1 Configuring postgresql-typed-0.5.3.0... Installed free-5.0.2 Configuring keys-3.12... Building postgresql-typed-0.5.3.0... Building keys-3.12... Installed keys-3.12 Configuring adjunctions-4.4... Building adjunctions-4.4... Installed adjunctions-4.4 Configuring kan-extensions-5.1... Building kan-extensions-5.1... Installed kan-extensions-5.1 Configuring pointed-5.0.1... Installed postgresql-typed-0.5.3.0 Configuring lens-4.16.1... Building pointed-5.0.1... Building lens-4.16.1... Installed pointed-5.0.1 Configuring vector-instances-3.4... Building vector-instances-3.4... Installed vector-instances-3.4 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 classy-prelude-1.4.0... Building classy-prelude-1.4.0... Installed classy-prelude-1.4.0 Installed lens-4.16.1 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-7042/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-7042/rfc-prelude-0.0.0.2' cabal: Error: some packages failed to install: rfc-env-0.0.0.1-EDrCvF1A9lCLQ2fnXVvmRf depends on rfc-env-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 rfc-psql-0.0.0.1-BHdHqn6xyVWEVsYUeeLUlI depends on rfc-psql-0.0.0.1 which failed to install.