Resolving dependencies... Configuring base-compat-0.9.3... Configuring base-orphans-0.6... Building base-compat-0.9.3... Building base-orphans-0.6... Configuring SHA-1.6.4.2... Installed base-orphans-0.6 Building SHA-1.6.4.2... Installed base-compat-0.9.3 Configuring base64-bytestring-1.0.0.1... Building base64-bytestring-1.0.0.1... Installed base64-bytestring-1.0.0.1 Configuring bytestring-builder-0.10.8.1.0... Building bytestring-builder-0.10.8.1.0... Configuring cabal-doctest-1.0.2... Installed bytestring-builder-0.10.8.1.0 Building cabal-doctest-1.0.2... Configuring call-stack-0.1.0... Installed cabal-doctest-1.0.2 Building call-stack-0.1.0... Configuring clock-0.7.2... Installed call-stack-0.1.0 Building clock-0.7.2... Installed SHA-1.6.4.2 Configuring dlist-0.8.0.3... Building dlist-0.8.0.3... Configuring fail-4.9.0.0... Installed clock-0.7.2 Building fail-4.9.0.0... Configuring integer-logarithms-1.0.2... Installed fail-4.9.0.0 Building integer-logarithms-1.0.2... Configuring entropy-0.3.8... Installed dlist-0.8.0.3 Configuring monad-loops-0.4.3... Installed integer-logarithms-1.0.2 Building monad-loops-0.4.3... Building entropy-0.3.8... Configuring mtl-2.2.1... Installed monad-loops-0.4.3 Building mtl-2.2.1... Warning: /tmp/pkgConf-entropy-0.37523927541474612399.8: Unrecognized field dynamic-library-dirs on line 26 Configuring old-locale-1.0.0.7... Installed entropy-0.3.8 Building old-locale-1.0.0.7... Configuring network-2.6.3.2... Installed old-locale-1.0.0.7 Configuring primitive-0.6.2.0... Installed mtl-2.2.1 Building primitive-0.6.2.0... Building network-2.6.3.2... Configuring prelude-extras-0.4.0.3... Installed primitive-0.6.2.0 Building prelude-extras-0.4.0.3... Configuring random-1.1... Installed network-2.6.3.2 Building random-1.1... Configuring semigroups-0.18.3... Installed prelude-extras-0.4.0.3 Building semigroups-0.18.3... Configuring stm-2.4.4.1... Installed random-1.1 Configuring time-locale-compat-0.1.1.3... Installed semigroups-0.18.3 Building stm-2.4.4.1... Building time-locale-compat-0.1.1.3... Configuring text-1.2.2.2... Installed time-locale-compat-0.1.1.3 Building text-1.2.2.2... Configuring transformers-compat-0.5.1.4... Installed stm-2.4.4.1 Building transformers-compat-0.5.1.4... Configuring void-0.7.2... Installed transformers-compat-0.5.1.4 Building void-0.7.2... Configuring unix-compat-0.4.3.1... Installed void-0.7.2 Building unix-compat-0.4.3.1... Configuring zlib-0.6.1.2... Installed unix-compat-0.4.3.1 Building zlib-0.6.1.2... Configuring HUnit-1.6.0.0... Installed zlib-0.6.1.2 Building HUnit-1.6.0.0... Installed HUnit-1.6.0.0 Configuring regex-base-0.93.2... Configuring StateVar-1.1.0.4... Installed text-1.2.2.2 Building regex-base-0.93.2... Building StateVar-1.1.0.4... Configuring vector-0.12.0.1... Installed StateVar-1.1.0.4 Building vector-0.12.0.1... Configuring async-2.1.1.1... Installed regex-base-0.93.2 Building async-2.1.1.1... Configuring stm-delay-0.1.1.1... Installed async-2.1.1.1 Building stm-delay-0.1.1.1... Configuring MonadRandom-0.5.1... Installed stm-delay-0.1.1.1 Building MonadRandom-0.5.1... Configuring exceptions-0.8.3... Installed MonadRandom-0.5.1 Building exceptions-0.8.3... Configuring tagged-0.8.5... Installed exceptions-0.8.3 Building tagged-0.8.5... Configuring mmorph-1.1.0... Installed tagged-0.8.5 Building mmorph-1.1.0... Configuring transformers-base-0.4.4... Installed mmorph-1.1.0 Building transformers-base-0.4.4... Configuring zlib-bindings-0.1.1.5... Installed transformers-base-0.4.4 Building zlib-bindings-0.1.1.5... Installed vector-0.12.0.1 Configuring blaze-builder-0.4.0.2... Configuring hashable-1.2.6.1... Installed zlib-bindings-0.1.1.5 Building blaze-builder-0.4.0.2... Building hashable-1.2.6.1... Configuring parsec-3.1.11... Installed blaze-builder-0.4.0.2 Building parsec-3.1.11... Configuring readable-0.3.1... Installed hashable-1.2.6.1 Building readable-0.3.1... Configuring contravariant-1.4... Installed readable-0.3.1 Building contravariant-1.4... Configuring regex-posix-0.95.2... Installed parsec-3.1.11 Building regex-posix-0.95.2... Configuring distributive-0.5.2... Installed contravariant-1.4 Building distributive-0.5.2... Configuring monad-control-1.0.2.1... Installed regex-posix-0.95.2 Building monad-control-1.0.2.1... Warning: /tmp/pkgConf-distributive-0.521033187761597322404.2: Unrecognized field dynamic-library-dirs on line 22 Configuring vector-th-unbox-0.2.1.6... Installed distributive-0.5.2 Building vector-th-unbox-0.2.1.6... Installed monad-control-1.0.2.1 Configuring streaming-commons-0.1.18... Building streaming-commons-0.1.18... Configuring case-insensitive-1.2.0.10... Installed vector-th-unbox-0.2.1.6 Building case-insensitive-1.2.0.10... Configuring unordered-containers-0.2.8.0... Installed case-insensitive-1.2.0.10 Building unordered-containers-0.2.8.0... Configuring scientific-0.3.5.1... Installed streaming-commons-0.1.18 Building scientific-0.3.5.1... Configuring network-uri-2.6.1.0... Installed scientific-0.3.5.1 Configuring comonad-5.0.1... Installed unordered-containers-0.2.8.0 Building network-uri-2.6.1.0... Building comonad-5.0.1... Configuring uuid-types-1.0.3... Installed network-uri-2.6.1.0 Building uuid-types-1.0.3... Warning: /tmp/pkgConf-comonad-5.07407593551285228804.1: Unrecognized field dynamic-library-dirs on line 29 Configuring lifted-base-0.2.3.11... Installed comonad-5.0.1 Installed uuid-types-1.0.3 Configuring math-functions-0.2.1.0... Building lifted-base-0.2.3.11... Building math-functions-0.2.1.0... Configuring attoparsec-0.13.1.0... Installed lifted-base-0.2.3.11 Building attoparsec-0.13.1.0... Configuring bifunctors-5.4.2... Installed attoparsec-0.13.1.0 Building bifunctors-5.4.2... Installed math-functions-0.2.1.0 Configuring aeson-1.2.1.0... Building aeson-1.2.1.0... Configuring io-streams-1.4.0.0... Installed bifunctors-5.4.2 Building io-streams-1.4.0.0... Configuring mwc-random-0.13.6.0... Installed io-streams-1.4.0.0 Building mwc-random-0.13.6.0... Configuring websockets-0.12.1.0... Installed mwc-random-0.13.6.0 Building websockets-0.12.1.0... Installed aeson-1.2.1.0 Configuring profunctors-5.2... Building profunctors-5.2... Configuring semigroupoids-5.2... Installed websockets-0.12.1.0 Building semigroupoids-5.2... Configuring io-streams-haproxy-1.0.0.1... Installed profunctors-5.2 Building io-streams-haproxy-1.0.0.1... Configuring snap-core-1.0.2.1... Installed io-streams-haproxy-1.0.0.1 Building snap-core-1.0.2.1... Warning: /tmp/pkgConf-semigroupoids-520586571991973387981.2: Unrecognized field dynamic-library-dirs on line 60 Installed semigroupoids-5.2 Configuring free-4.12.4... Building free-4.12.4... Installed snap-core-1.0.2.1 Configuring snap-server-1.0.2.2... Building snap-server-1.0.2.2... Installed free-4.12.4 Configuring either-4.4.1.1... Building either-4.4.1.1... Installed either-4.4.1.1 Configuring engine-io-1.2.17... Building engine-io-1.2.17... Failed to install engine-io-1.2.17 Build log ( /home/builder/.cabal/logs/engine-io-1.2.17.log ): cabal: Entering directory '/tmp/cabal-tmp-12943/engine-io-1.2.17' Configuring engine-io-1.2.17... Building engine-io-1.2.17... Preprocessing library engine-io-1.2.17... [1 of 1] Compiling Network.EngineIO ( src/Network/EngineIO.hs, dist/build/Network/EngineIO.o ) src/Network/EngineIO.hs:603:7: error: • The constructor ‘WebSockets.Text’ should have 2 arguments, but has been given 1 • In the pattern: WebSockets.Text bytes In a case alternative: WebSockets.Text bytes -> case AttoparsecC8.parseOnly parsePacket (LBS.toStrict bytes) of { Left ex -> do { putStrLn $ "Malformed packet received: " ++ show bytes ++ " (" ++ show ex ++ ")"; .... } Right p -> return p } In a stmt of a 'do' block: case msg of { WebSockets.Text bytes -> case AttoparsecC8.parseOnly parsePacket (LBS.toStrict bytes) of { Left ex -> do { ... } Right p -> return p } other -> do { putStrLn $ "Unknown WebSocket message: " ++ show other; receivePacket conn } } cabal: Leaving directory '/tmp/cabal-tmp-12943/engine-io-1.2.17' Installed snap-server-1.0.2.2 Configuring websockets-snap-0.10.2.3... Building websockets-snap-0.10.2.3... Installed websockets-snap-0.10.2.3 cabal: Error: some packages failed to install: engine-io-1.2.17 failed during the building phase. The exception was: ExitFailure 1 engine-io-snap-1.0.5 depends on engine-io-1.2.17 which failed to install.