Resolving dependencies... Configuring auto-update-0.1.4... Configuring base-compat-0.9.3... Building auto-update-0.1.4... Building base-compat-0.9.3... Configuring base64-bytestring-1.0.0.1... Installed auto-update-0.1.4 Building base64-bytestring-1.0.0.1... Configuring base16-bytestring-0.1.1.6... Installed base-compat-0.9.3 Building base16-bytestring-0.1.1.6... Configuring data-default-class-0.1.2.0... Installed base64-bytestring-1.0.0.1 Building data-default-class-0.1.2.0... Configuring easy-file-0.2.1... Installed base16-bytestring-0.1.1.6 Building easy-file-0.2.1... Configuring dlist-0.8.0.3... Installed data-default-class-0.1.2.0 Building dlist-0.8.0.3... Configuring monad-loops-0.4.3... Installed easy-file-0.2.1 Building monad-loops-0.4.3... Configuring integer-logarithms-1.0.2... Installed dlist-0.8.0.3 Building integer-logarithms-1.0.2... Configuring mtl-2.2.1... Installed monad-loops-0.4.3 Building mtl-2.2.1... Configuring old-locale-1.0.0.7... Installed integer-logarithms-1.0.2 Building old-locale-1.0.0.7... Configuring primitive-0.6.2.0... Installed old-locale-1.0.0.7 Building primitive-0.6.2.0... Configuring network-2.6.3.2... Installed mtl-2.2.1 Building network-2.6.3.2... Configuring stm-2.4.4.1... Installed primitive-0.6.2.0 Building stm-2.4.4.1... Configuring safe-0.3.15... Installed stm-2.4.4.1 Building safe-0.3.15... Configuring random-1.1... Installed network-2.6.3.2 Building random-1.1... Configuring time-locale-compat-0.1.1.3... Installed safe-0.3.15 Building time-locale-compat-0.1.1.3... Configuring th-abstraction-0.2.6.0... Installed time-locale-compat-0.1.1.3 Configuring transformers-compat-0.5.1.4... Installed random-1.1 Building th-abstraction-0.2.6.0... Building transformers-compat-0.5.1.4... Configuring text-1.2.2.2... Installed transformers-compat-0.5.1.4 Building text-1.2.2.2... Configuring unexceptionalio-0.3.0... Installed th-abstraction-0.2.6.0 Building unexceptionalio-0.3.0... Configuring zlib-0.6.1.2... Installed unexceptionalio-0.3.0 Building zlib-0.6.1.2... Installed zlib-0.6.1.2 Configuring old-time-1.1.0.3... Building old-time-1.1.0.3... Configuring async-2.1.1.1... Installed old-time-1.1.0.3 Building async-2.1.1.1... Configuring stm-chans-3.0.0.4... Installed text-1.2.2.2 Configuring vector-0.12.0.1... Installed async-2.1.1.1 Building vector-0.12.0.1... Building stm-chans-3.0.0.4... Warning: /tmp/pkgConf-stm-chans-3.0.01194953865894429689.4: Unrecognized field dynamic-library-dirs on line 24 Configuring exceptions-0.8.3... Installed stm-chans-3.0.0.4 Building exceptions-0.8.3... Configuring mmorph-1.1.0... Installed exceptions-0.8.3 Building mmorph-1.1.0... Configuring transformers-base-0.4.4... Installed mmorph-1.1.0 Building transformers-base-0.4.4... Configuring tagged-0.8.5... Installed transformers-base-0.4.4 Building tagged-0.8.5... Installed tagged-0.8.5 Configuring blaze-builder-0.4.0.2... Building blaze-builder-0.4.0.2... Configuring unix-time-0.3.7... Installed blaze-builder-0.4.0.2 Building unix-time-0.3.7... Configuring mime-types-0.1.0.7... Installed unix-time-0.3.7 Configuring parsec-3.1.11... Installed vector-0.12.0.1 Building mime-types-0.1.0.7... Building parsec-3.1.11... Configuring hashable-1.2.6.1... Installed mime-types-0.1.0.7 Building hashable-1.2.6.1... Configuring monad-control-1.0.2.2... Installed parsec-3.1.11 Building monad-control-1.0.2.2... Configuring errors-2.2.2... Installed monad-control-1.0.2.2 Installed hashable-1.2.6.1 Building errors-2.2.2... Configuring cookie-0.4.2.1... Building cookie-0.4.2.1... Installed cookie-0.4.2.1 Configuring streaming-commons-0.1.18... Installed errors-2.2.2 Configuring fast-logger-2.4.10... Building streaming-commons-0.1.18... Building fast-logger-2.4.10... Configuring network-uri-2.6.1.0... Installed fast-logger-2.4.10 Building network-uri-2.6.1.0... Configuring lifted-base-0.2.3.11... Installed streaming-commons-0.1.18 Configuring constraints-0.9.1... Installed network-uri-2.6.1.0 Building lifted-base-0.2.3.11... Building constraints-0.9.1... Configuring case-insensitive-1.2.0.10... Installed lifted-base-0.2.3.11 Building case-insensitive-1.2.0.10... Configuring scientific-0.3.5.2... Installed case-insensitive-1.2.0.10 Building scientific-0.3.5.2... Configuring unordered-containers-0.2.8.0... Installed constraints-0.9.1 Building unordered-containers-0.2.8.0... Configuring uuid-types-1.0.3... Installed scientific-0.3.5.2 Building uuid-types-1.0.3... Installed uuid-types-1.0.3 Configuring text-conversions-0.3.0... Building text-conversions-0.3.0... Installed unordered-containers-0.2.8.0 Configuring resourcet-1.1.9... Building resourcet-1.1.9... Configuring http-types-0.9.1... Installed text-conversions-0.3.0 Building http-types-0.9.1... Configuring lifted-async-0.9.3... Installed resourcet-1.1.9 Building lifted-async-0.9.3... Configuring attoparsec-0.13.2.0... Installed http-types-0.9.1 Building attoparsec-0.13.2.0... Installed lifted-async-0.9.3 Configuring conduit-1.2.12.1... Building conduit-1.2.12.1... Configuring http-client-0.5.7.0... Installed attoparsec-0.13.2.0 Building http-client-0.5.7.0... Installed conduit-1.2.12.1 Configuring aeson-1.2.2.0... Building aeson-1.2.2.0... Configuring conduit-extra-1.1.17... Installed http-client-0.5.7.0 Building conduit-extra-1.1.17... Installed conduit-extra-1.1.17 Configuring monad-logger-0.3.25.1... Building monad-logger-0.3.25.1... Installed monad-logger-0.3.25.1 Installed aeson-1.2.2.0 Configuring colorless-2.2.10... Building colorless-2.2.10... Installed colorless-2.2.10 Downloading colorless-http-client-0.0.2... Configuring colorless-http-client-0.0.2... Building colorless-http-client-0.0.2... Failed to install colorless-http-client-0.0.2 Build log ( /home/builder/.cabal/logs/colorless-http-client-0.0.2.log ): cabal: Entering directory '/tmp/cabal-tmp-3167/colorless-http-client-0.0.2' Configuring colorless-http-client-0.0.2... Building colorless-http-client-0.0.2... Preprocessing library colorless-http-client-0.0.2... [1 of 1] Compiling Colorless.Client.HttpClient ( library/Colorless/Client/HttpClient.hs, dist/build/Colorless/Client/HttpClient.o ) library/Colorless/Client/HttpClient.hs:32:42: error: • Could not deduce (ToAst meta) arising from a use of ‘encode’ from the context: (HasType meta, ToJSON meta, ToAst a, HasType a, FromJSON a, HasType err, FromJSON err) bound by the type signature for: sendRequest :: (HasType meta, ToJSON meta, ToAst a, HasType a, FromJSON a, HasType err, FromJSON err) => Manager -> Pull -> RequestHeaders -> Request meta a -> IO (HttpClientResponse ByteString, Maybe (Response err a)) at library/Colorless/Client/HttpClient.hs:(20,1)-(26,66) Possible fix: add (ToAst meta) to the context of the type signature for: sendRequest :: (HasType meta, ToJSON meta, ToAst a, HasType a, FromJSON a, HasType err, FromJSON err) => Manager -> Pull -> RequestHeaders -> Request meta a -> IO (HttpClientResponse ByteString, Maybe (Response err a)) • In the second argument of ‘($)’, namely ‘encode req’ In the ‘requestBody’ field of a record In the expression: initialRequest {method = "POST", requestHeaders = [("Content-Type", "application/json")] ++ headers, requestBody = RequestBodyLBS $ encode req} cabal: Leaving directory '/tmp/cabal-tmp-3167/colorless-http-client-0.0.2' cabal: Error: some packages failed to install: colorless-http-client-0.0.2 failed during the building phase. The exception was: ExitFailure 1