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 Only-0.1 Starting StateVar-1.1.1.1 Starting appar-0.1.7 Starting auto-update-0.1.4 Building StateVar-1.1.1.1 Building appar-0.1.7 Building Only-0.1 Building auto-update-0.1.4 Completed StateVar-1.1.1.1 Starting base-compat-0.10.5 Completed appar-0.1.7 Starting base-orphans-0.8 Completed Only-0.1 Starting base16-bytestring-0.1.1.6 Completed auto-update-0.1.4 Starting base64-bytestring-1.0.0.2 Building base-compat-0.10.5 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-0.0.8 Completed base16-bytestring-0.1.1.6 Starting blaze-builder-0.4.1.0 Building basement-0.0.8 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 bsb-http-chunked-0.0.0.4 Starting byteable-0.1.1 Building byteable-0.1.1 Completed blaze-builder-0.4.1.0 Starting byteorder-1.0.4 Completed base-compat-0.10.5 Starting bytestring-builder-0.10.8.2.0 Building byteorder-1.0.4 Completed byteable-0.1.1 Starting cabal-doctest-1.0.6 Building bytestring-builder-0.10.8.2.0 Completed bytestring-builder-0.10.8.2.0 Starting call-stack-0.1.0 Building cabal-doctest-1.0.6 Building call-stack-0.1.0 Completed byteorder-1.0.4 Starting cereal-0.5.8.0 Building cereal-0.5.8.0 Completed call-stack-0.1.0 Starting clock-0.7.2 Building clock-0.7.2 Completed cabal-doctest-1.0.6 Starting colour-2.3.4 Building colour-2.3.4 Completed clock-0.7.2 Starting data-default-class-0.1.2.0 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 cereal-0.5.8.0 Starting easy-file-0.2.2 Building easy-file-0.2.2 Completed dlist-0.8.0.5 Starting entropy-0.4.1.4 Completed colour-2.3.4 Starting file-embed-0.0.11 Building file-embed-0.0.11 Completed easy-file-0.2.2 Downloading foreign-store-0.2 Downloaded foreign-store-0.2 Starting foreign-store-0.2 Building foreign-store-0.2 Building entropy-0.4.1.4 Completed file-embed-0.0.11 Starting hashable-1.2.7.0 Completed foreign-store-0.2 Starting haskell-lexer-1.0.2 Building hashable-1.2.7.0 Building haskell-lexer-1.0.2 Completed entropy-0.4.1.4 Starting hourglass-0.2.12 Building hourglass-0.2.12 Completed hashable-1.2.7.0 Starting hscolour-1.24.4 Building hscolour-1.24.4 Completed hourglass-0.2.12 Starting integer-logarithms-1.0.2.2 Building integer-logarithms-1.0.2.2 Completed hscolour-1.24.4 Starting iso8601-time-0.1.5 Completed integer-logarithms-1.0.2.2 Starting microlens-0.4.10 Building iso8601-time-0.1.5 Building microlens-0.4.10 Completed iso8601-time-0.1.5 Starting mime-types-0.1.0.9 Building mime-types-0.1.0.9 Completed microlens-0.4.10 Starting monad-loops-0.4.3 Building monad-loops-0.4.3 Completed monad-loops-0.4.3 Starting network-2.8.0.0 Completed haskell-lexer-1.0.2 Starting network-byte-order-0.0.0.0 Building network-byte-order-0.0.0.0 Completed basement-0.0.8 Starting network-uri-2.6.1.0 Completed mime-types-0.1.0.9 Starting old-locale-1.0.0.7 Completed network-byte-order-0.0.0.0 Starting parser-combinators-1.0.1 Building network-uri-2.6.1.0 Building old-locale-1.0.0.7 Building parser-combinators-1.0.1 Building network-2.8.0.0 Completed old-locale-1.0.0.7 Starting path-pieces-0.2.1 Building path-pieces-0.2.1 Completed parser-combinators-1.0.1 Starting primitive-0.6.4.0 Completed network-uri-2.6.1.0 Starting random-1.1 Building primitive-0.6.4.0 Completed path-pieces-0.2.1 Starting readable-0.3.1 Building random-1.1 Building readable-0.3.1 Completed readable-0.3.1 Starting regex-base-0.93.2 Building regex-base-0.93.2 Completed random-1.1 Starting safe-0.3.17 Building safe-0.3.17 Completed regex-base-0.93.2 Starting say-0.1.0.1 Building say-0.1.0.1 Completed network-2.8.0.0 Starting semigroups-0.18.5 Building semigroups-0.18.5 Completed say-0.1.0.1 Starting setenv-0.1.1.3 Completed safe-0.3.17 Starting silently-1.2.5 Building setenv-0.1.1.3 Completed semigroups-0.18.5 Starting split-0.2.3.3 Building silently-1.2.5 Building split-0.2.3.3 Completed setenv-0.1.1.3 Starting stm-chans-3.0.0.4 Completed silently-1.2.5 Starting system-filepath-0.4.14 Completed split-0.2.3.3 Starting tagged-0.8.6 Building tagged-0.8.6 Building stm-chans-3.0.0.4 Completed primitive-0.6.4.0 Starting tagsoup-0.14.7 Building system-filepath-0.4.14 Building tagsoup-0.14.7 Completed tagged-0.8.6 Starting th-abstraction-0.2.10.0 Completed stm-chans-3.0.0.4 Starting time-locale-compat-0.1.1.5 Building th-abstraction-0.2.10.0 Building time-locale-compat-0.1.1.5 Completed system-filepath-0.4.14 Starting transformers-compat-0.6.2 Completed time-locale-compat-0.1.1.5 Starting unix-compat-0.5.1 Building transformers-compat-0.6.2 Building unix-compat-0.5.1 Completed th-abstraction-0.2.10.0 Starting unliftio-core-0.1.2.0 Completed unix-compat-0.5.1 Starting utf8-string-1.0.1.1 Building unliftio-core-0.1.2.0 Completed transformers-compat-0.6.2 Starting void-0.7.2 Building utf8-string-1.0.1.1 Building void-0.7.2 Completed unliftio-core-0.1.2.0 Starting word8-0.1.3 Completed void-0.7.2 Starting xml-types-0.3.6 Building word8-0.1.3 Building xml-types-0.3.6 Completed word8-0.1.3 Starting zlib-0.6.2 Completed utf8-string-1.0.1.1 Starting contravariant-1.5 Completed tagsoup-0.14.7 Starting blaze-markup-0.8.2.2 Building zlib-0.6.2 Building contravariant-1.5 Building blaze-markup-0.8.2.2 Completed xml-types-0.3.6 Starting HUnit-1.6.0.0 Building HUnit-1.6.0.0 Completed contravariant-1.5 Starting data-default-instances-containers-0.0.1 Completed blaze-markup-0.8.2.2 Starting cookie-0.4.4 Building data-default-instances-containers-0.0.1 Building cookie-0.4.4 Completed HUnit-1.6.0.0 Starting data-default-instances-dlist-0.0.1 Building data-default-instances-dlist-0.0.1 Completed data-default-instances-containers-0.0.1 Starting ansi-terminal-0.9 Completed zlib-0.6.2 Starting unordered-containers-0.2.10.0 Building ansi-terminal-0.9 Building unordered-containers-0.2.10.0 Completed data-default-instances-dlist-0.0.1 Starting psqueues-0.2.7.1 Completed cookie-0.4.4 Starting case-insensitive-1.2.0.11 Building psqueues-0.2.7.1 Building case-insensitive-1.2.0.11 Completed case-insensitive-1.2.0.11 Starting async-2.2.1 Completed ansi-terminal-0.9 Starting pretty-show-1.9.5 Building async-2.2.1 Building pretty-show-1.9.5 Completed async-2.2.1 Starting memory-0.14.18 Completed psqueues-0.2.7.1 Starting old-time-1.1.0.3 Building memory-0.14.18 Building old-time-1.1.0.3 Completed unordered-containers-0.2.10.0 Starting data-default-instances-old-locale-0.0.1 Building data-default-instances-old-locale-0.0.1 Completed pretty-show-1.9.5 Starting uuid-types-1.0.3 Completed data-default-instances-old-locale-0.0.1 Starting regex-posix-0.95.2 Building uuid-types-1.0.3 Building regex-posix-0.95.2 Completed old-time-1.1.0.3 Starting socks-0.5.6 Building socks-0.5.6 Completed uuid-types-1.0.3 Starting simple-sendfile-0.2.28 Building simple-sendfile-0.2.28 Completed regex-posix-0.95.2 Starting iproute-1.7.7 Completed memory-0.14.18 Downloading dlist-instances-0.1.1.1 Downloaded dlist-instances-0.1.1.1 Starting dlist-instances-0.1.1.1 Completed socks-0.5.6 Starting vector-0.12.0.2 Building iproute-1.7.7 Completed simple-sendfile-0.2.28 Starting scientific-0.3.6.2 Building dlist-instances-0.1.1.1 Building vector-0.12.0.2 Building scientific-0.3.6.2 Completed dlist-instances-0.1.1.1 Starting distributive-0.6 Building distributive-0.6 Completed iproute-1.7.7 Starting crypto-api-0.13.3 Completed scientific-0.3.6.2 Starting microlens-th-0.4.2.3 Building crypto-api-0.13.3 Building microlens-th-0.4.2.3 Completed distributive-0.6 Starting transformers-base-0.4.5.2 Building transformers-base-0.4.5.2 Completed transformers-base-0.4.5.2 Starting exceptions-0.10.0 Building exceptions-0.10.0 Completed microlens-th-0.4.2.3 Downloading language-javascript-0.6.0.11 Downloaded language-javascript-0.6.0.11 Starting language-javascript-0.6.0.11 Building language-javascript-0.6.0.11 Completed crypto-api-0.13.3 Starting blaze-html-0.9.1.1 Building blaze-html-0.9.1.1 Completed exceptions-0.10.0 Starting zlib-bindings-0.1.1.5 Building zlib-bindings-0.1.1.5 Completed zlib-bindings-0.1.1.5 Starting http-types-0.12.2 Building http-types-0.12.2 Completed http-types-0.12.2 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 unliftio-0.2.10 Building unliftio-0.2.10 Completed vector-0.12.0.2 Starting typed-process-0.2.4.0 Building typed-process-0.2.4.0 Completed blaze-html-0.9.1.1 Starting streaming-commons-0.2.1.0 Building streaming-commons-0.2.1.0 Completed unliftio-0.2.10 Completed typed-process-0.2.4.0 Starting vault-0.3.1.2 Starting http2-1.6.4 Building vault-0.3.1.2 Building http2-1.6.4 Completed vault-0.3.1.2 Starting ekg-core-0.1.1.6 Building ekg-core-0.1.1.6 Completed streaming-commons-0.2.1.0 Starting data-default-0.7.1.1 Completed ekg-core-0.1.1.6 Starting unix-time-0.4.5 Building data-default-0.7.1.1 Completed language-javascript-0.6.0.11 Starting securemem-0.1.10 Building securemem-0.1.10 Completed data-default-0.7.1.1 Starting pem-0.2.4 Building unix-time-0.4.5 Building pem-0.2.4 Completed securemem-0.1.10 Starting cryptonite-0.25 Building cryptonite-0.25 Completed pem-0.2.4 Starting asn1-types-0.3.2 Completed unix-time-0.4.5 Starting attoparsec-0.13.2.2 Building asn1-types-0.3.2 Building attoparsec-0.13.2.2 Completed http2-1.6.4 Starting comonad-5.0.4 Completed asn1-types-0.3.2 Starting monad-control-1.0.2.3 Building comonad-5.0.4 Building monad-control-1.0.2.3 Completed monad-control-1.0.2.3 Starting skein-1.0.9.4 Building skein-1.0.9.4 Completed comonad-5.0.4 Starting resourcet-1.2.2 Completed attoparsec-0.13.2.2 Starting optparse-applicative-0.14.3.0 Building resourcet-1.2.2 Building optparse-applicative-0.14.3.0 Completed skein-1.0.9.4 Starting vector-algorithms-0.8.0.1 Building vector-algorithms-0.8.0.1 Completed resourcet-1.2.2 Downloading chunked-data-0.3.1 Downloaded chunked-data-0.3.1 Starting chunked-data-0.3.1 Building chunked-data-0.3.1 Completed chunked-data-0.3.1 Starting basic-prelude-0.7.0 Completed optparse-applicative-0.14.3.0 Starting nonce-1.0.7 Building basic-prelude-0.7.0 Building nonce-1.0.7 Completed nonce-1.0.7 Starting rio-0.1.8.0 Building rio-0.1.8.0 Completed vector-algorithms-0.8.0.1 Starting wai-3.2.2 Building wai-3.2.2 Completed basic-prelude-0.7.0 Starting http-client-0.6.1 Building http-client-0.6.1 Completed wai-3.2.2 Downloading monad-metrics-0.2.1.2 Downloaded monad-metrics-0.2.1.2 Starting monad-metrics-0.2.1.2 Building monad-metrics-0.2.1.2 Completed monad-metrics-0.2.1.2 Downloading bcrypt-0.0.11 Downloaded bcrypt-0.0.11 Starting bcrypt-0.0.11 Building bcrypt-0.0.11 Completed bcrypt-0.0.11 Starting crypto-random-0.0.9 Building crypto-random-0.0.9 Completed http-client-0.6.1 Starting crypto-cipher-types-0.0.9 Building crypto-cipher-types-0.0.9 Completed crypto-random-0.0.9 Starting fast-logger-2.4.13 Building fast-logger-2.4.13 Completed rio-0.1.8.0 Starting asn1-encoding-0.9.5 Building asn1-encoding-0.9.5 Completed crypto-cipher-types-0.0.9 Starting resource-pool-0.2.3.2 Building resource-pool-0.2.3.2 Completed fast-logger-2.4.13 Starting lifted-base-0.2.3.12 Building lifted-base-0.2.3.12 Completed asn1-encoding-0.9.5 Starting bifunctors-5.5.3 Completed resource-pool-0.2.3.2 Starting io-streams-1.5.1.0 Building bifunctors-5.5.3 Building io-streams-1.5.1.0 Completed lifted-base-0.2.3.12 Starting http-date-0.0.8 Building http-date-0.0.8 Completed http-date-0.0.8 Starting email-validate-2.3.2.10 Building email-validate-2.3.2.10 Completed email-validate-2.3.2.10 Starting css-text-0.1.3.0 Completed io-streams-1.5.1.0 Starting attoparsec-iso8601-1.0.1.0 Completed bifunctors-5.5.3 Building css-text-0.1.3.0 Starting aeson-1.4.2.0 Building attoparsec-iso8601-1.0.1.0 Building aeson-1.4.2.0 Completed css-text-0.1.3.0 Starting optparse-generic-1.3.0 Completed attoparsec-iso8601-1.0.1.0 Downloading hjsmin-0.2.0.2 Downloaded hjsmin-0.2.0.2 Starting hjsmin-0.2.0.2 Building optparse-generic-1.3.0 Building hjsmin-0.2.0.2 Completed hjsmin-0.2.0.2 Starting mono-traversable-1.0.10.0 Building mono-traversable-1.0.10.0 Completed cryptonite-0.25 Downloading wai-middleware-metrics-0.2.4 Downloaded wai-middleware-metrics-0.2.4 Starting wai-middleware-metrics-0.2.4 Completed optparse-generic-1.3.0 Starting cipher-aes-0.2.11 Building wai-middleware-metrics-0.2.4 Building cipher-aes-0.2.11 Completed wai-middleware-metrics-0.2.4 Starting wai-logger-2.3.4 Building wai-logger-2.3.4 Completed cipher-aes-0.2.11 Starting asn1-parse-0.9.4 Building asn1-parse-0.9.4 Completed wai-logger-2.3.4 Starting warp-3.2.26 Completed asn1-parse-0.9.4 Starting snap-core-1.0.4.0 Building warp-3.2.26 Building snap-core-1.0.4.0 Completed mono-traversable-1.0.10.0 Starting io-streams-haproxy-1.0.1.0 Building io-streams-haproxy-1.0.1.0 Completed io-streams-haproxy-1.0.1.0 Starting semigroupoids-5.3.2 Completed aeson-1.4.2.0 Starting profunctors-5.3 Building profunctors-5.3 Building semigroupoids-5.3.2 Completed warp-3.2.26 Starting xss-sanitize-0.3.6 Building xss-sanitize-0.3.6 Completed snap-core-1.0.4.0 Starting http-api-data-0.4 Completed xss-sanitize-0.3.6 Starting cprng-aes-0.6.1 Building cprng-aes-0.6.1 Building http-api-data-0.4 Completed cprng-aes-0.6.1 Starting x509-1.7.5 Building x509-1.7.5 Completed profunctors-5.3 Downloading mutable-containers-0.3.4 Downloaded mutable-containers-0.3.4 Starting mutable-containers-0.3.4 Building mutable-containers-0.3.4 Completed semigroupoids-5.3.2 Starting conduit-1.3.1 Building conduit-1.3.1 Completed http-api-data-0.4 Starting wai-extra-3.0.25 Building wai-extra-3.0.25 Completed mutable-containers-0.3.4 Starting shakespeare-2.0.20 Building shakespeare-2.0.20 Completed x509-1.7.5 Downloading ekg-json-0.1.0.6 Downloaded ekg-json-0.1.0.6 Starting ekg-json-0.1.0.6 Building ekg-json-0.1.0.6 Completed ekg-json-0.1.0.6 Starting aeson-compat-0.3.9 Building aeson-compat-0.3.9 Completed wai-extra-3.0.25 Starting snap-server-1.1.1.0 Building snap-server-1.1.1.0 Completed aeson-compat-0.3.9 Starting clientsession-0.9.1.2 Building clientsession-0.9.1.2 Completed conduit-1.3.1 Starting invariant-0.5.1 Completed clientsession-0.9.1.2 Starting free-5.1 Building invariant-0.5.1 Failed to install snap-server-1.1.1.0 Build log ( /home/builder/.cabal/logs/ghc-8.6.3/snap-server-1.1.1.0-hcAIBt8b823r43XI8f0EG.log ): cabal: Entering directory '/tmp/cabal-tmp-31684/snap-server-1.1.1.0' Configuring snap-server-1.1.1.0... Preprocessing library for snap-server-1.1.1.0.. Building library for snap-server-1.1.1.0.. [ 1 of 20] Compiling Control.Concurrent.Extended ( src/Control/Concurrent/Extended.hs, dist/build/Control/Concurrent/Extended.o ) [ 2 of 20] Compiling Paths_snap_server ( dist/build/autogen/Paths_snap_server.hs, dist/build/Paths_snap_server.o ) [ 3 of 20] Compiling Snap.Internal.Http.Server.Address ( src/Snap/Internal/Http/Server/Address.hs, dist/build/Snap/Internal/Http/Server/Address.o ) [ 4 of 20] Compiling Snap.Internal.Http.Server.Clock ( src/Snap/Internal/Http/Server/Clock.hs, dist/build/Snap/Internal/Http/Server/Clock.o ) [ 5 of 20] Compiling Snap.Internal.Http.Server.Common ( src/Snap/Internal/Http/Server/Common.hs, dist/build/Snap/Internal/Http/Server/Common.o ) [ 6 of 20] Compiling Snap.Internal.Http.Server.Config ( src/Snap/Internal/Http/Server/Config.hs, dist/build/Snap/Internal/Http/Server/Config.o ) [ 7 of 20] Compiling Snap.Http.Server.Config ( src/Snap/Http/Server/Config.hs, dist/build/Snap/Http/Server/Config.o ) [ 8 of 20] Compiling Snap.Internal.Http.Server.Date ( src/Snap/Internal/Http/Server/Date.hs, dist/build/Snap/Internal/Http/Server/Date.o ) [ 9 of 20] Compiling Snap.Internal.Http.Server.Parser ( src/Snap/Internal/Http/Server/Parser.hs, dist/build/Snap/Internal/Http/Server/Parser.o ) [10 of 20] Compiling Snap.Internal.Http.Server.Thread ( src/Snap/Internal/Http/Server/Thread.hs, dist/build/Snap/Internal/Http/Server/Thread.o ) [11 of 20] Compiling Snap.Internal.Http.Server.TimeoutManager ( src/Snap/Internal/Http/Server/TimeoutManager.hs, dist/build/Snap/Internal/Http/Server/TimeoutManager.o ) [12 of 20] Compiling Snap.Internal.Http.Server.Types ( src/Snap/Internal/Http/Server/Types.hs, dist/build/Snap/Internal/Http/Server/Types.o ) [13 of 20] Compiling Snap.Internal.Http.Server.TLS ( src/Snap/Internal/Http/Server/TLS.hs, dist/build/Snap/Internal/Http/Server/TLS.o ) [14 of 20] Compiling Snap.Internal.Http.Server.Session ( src/Snap/Internal/Http/Server/Session.hs, dist/build/Snap/Internal/Http/Server/Session.o ) [15 of 20] Compiling Snap.Http.Server.Types ( src/Snap/Http/Server/Types.hs, dist/build/Snap/Http/Server/Types.o ) [16 of 20] Compiling System.FastLogger ( src/System/FastLogger.hs, dist/build/System/FastLogger.o ) [17 of 20] Compiling System.SendFile.Linux ( dist/build/System/SendFile/Linux.hs, dist/build/System/SendFile/Linux.o ) [18 of 20] Compiling System.SendFile ( dist/build/System/SendFile.hs, dist/build/System/SendFile.o ) [19 of 20] Compiling Snap.Internal.Http.Server.Socket ( src/Snap/Internal/Http/Server/Socket.hs, dist/build/Snap/Internal/Http/Server/Socket.o ) src/Snap/Internal/Http/Server/Socket.hs:176:5: error: Conflicting definitions for ‘acquire’ Bound at: src/Snap/Internal/Http/Server/Socket.hs:176:5-11 src/Snap/Internal/Http/Server/Socket.hs:182:5-11 | 176 | acquire = openFd fPath ReadOnly Nothing defaultFileFlags | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^... cabal: Leaving directory '/tmp/cabal-tmp-31684/snap-server-1.1.1.0' Starting x509-store-1.6.7 Building free-5.1 Building x509-store-1.6.7 Completed x509-store-1.6.7 Completed invariant-0.5.1 Completed shakespeare-2.0.20 Completed free-5.1 cabal: Error: some packages failed to install: ekg-0.4.0.15-BLUdIFHahbVD5K5RrPC6S6 depends on ekg-0.4.0.15 which failed to install. espial-0.0.7-5YPvWSfRjoYEGtgDXy8izW depends on espial-0.0.7 which failed to install. snap-server-1.1.1.0-hcAIBt8b823r43XI8f0EG failed during the building phase. The exception was: ExitFailure 1