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 StateVar-1.1.1.1 Starting auto-update-0.1.4.1 Starting appar-0.1.8 Starting base-compat-0.10.5 Building StateVar-1.1.1.1 Building auto-update-0.1.4.1 Building appar-0.1.8 Building base-compat-0.10.5 Completed StateVar-1.1.1.1 Starting base-orphans-0.8.1 Completed appar-0.1.8 Starting base64-bytestring-1.0.0.2 Completed auto-update-0.1.4.1 Starting basement-0.0.10 Building base-orphans-0.8.1 Building base64-bytestring-1.0.0.2 Building basement-0.0.10 Completed base-orphans-0.8.1 Starting blaze-builder-0.4.1.0 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 base-compat-0.10.5 Starting byteorder-1.0.4 Building byteorder-1.0.4 Completed bsb-http-chunked-0.0.0.4 Starting cabal-doctest-1.0.6 Building cabal-doctest-1.0.6 Completed blaze-builder-0.4.1.0 Starting call-stack-0.1.0 Completed byteorder-1.0.4 Starting cereal-0.5.8.0 Building call-stack-0.1.0 Building cereal-0.5.8.0 Completed call-stack-0.1.0 Starting colour-2.3.5 Building colour-2.3.5 Completed cabal-doctest-1.0.6 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-0.8.0.6 Building dlist-0.8.0.6 Completed dlist-0.8.0.6 Starting easy-file-0.2.2 Completed cereal-0.5.8.0 Starting file-embed-0.0.11 Building easy-file-0.2.2 Building file-embed-0.0.11 Completed colour-2.3.5 Starting hashable-1.2.7.0 Building hashable-1.2.7.0 Completed easy-file-0.2.2 Starting hourglass-0.2.12 Completed file-embed-0.0.11 Starting integer-logarithms-1.0.3 Building hourglass-0.2.12 Building integer-logarithms-1.0.3 Completed hashable-1.2.7.0 Starting mime-types-0.1.0.9 Completed integer-logarithms-1.0.3 Starting network-3.0.1.1 Building mime-types-0.1.0.9 Building network-3.0.1.1 Completed hourglass-0.2.12 Starting network-byte-order-0.0.0.0 Building network-byte-order-0.0.0.0 Completed mime-types-0.1.0.9 Starting network-uri-2.6.1.0 Building network-uri-2.6.1.0 Completed network-byte-order-0.0.0.0 Starting old-locale-1.0.0.7 Building old-locale-1.0.0.7 Completed old-locale-1.0.0.7 Starting parallel-3.2.2.0 Building parallel-3.2.2.0 Completed network-uri-2.6.1.0 Starting primitive-0.6.4.0 Building primitive-0.6.4.0 Completed network-3.0.1.1 Starting random-1.1 Building random-1.1 Completed parallel-3.2.2.0 Starting reflection-2.1.4 Building reflection-2.1.4 Completed random-1.1 Starting regex-base-0.93.2 Building regex-base-0.93.2 Completed regex-base-0.93.2 Starting semigroups-0.18.5 Completed reflection-2.1.4 Starting singleton-bool-0.1.4 Building semigroups-0.18.5 Building singleton-bool-0.1.4 Completed basement-0.0.10 Starting sysinfo-0.1.1 Completed semigroups-0.18.5 Starting tagged-0.8.6 Completed singleton-bool-0.1.4 Starting th-abstraction-0.3.1.0 Building sysinfo-0.1.1 Building tagged-0.8.6 Building th-abstraction-0.3.1.0 Completed sysinfo-0.1.1 Starting time-locale-compat-0.1.1.5 Building time-locale-compat-0.1.1.5 Completed primitive-0.6.4.0 Starting transformers-compat-0.6.4 Completed tagged-0.8.6 Starting unix-compat-0.5.1 Completed time-locale-compat-0.1.1.5 Starting unliftio-core-0.1.2.0 Building transformers-compat-0.6.4 Building unix-compat-0.5.1 Building unliftio-core-0.1.2.0 Completed th-abstraction-0.3.1.0 Starting utf8-string-1.0.1.1 Building utf8-string-1.0.1.1 Completed unliftio-core-0.1.2.0 Starting void-0.7.2 Completed unix-compat-0.5.1 Starting word8-0.1.3 Building void-0.7.2 Building word8-0.1.3 Completed transformers-compat-0.6.4 Starting zlib-0.6.2 Completed void-0.7.2 Starting contravariant-1.5.1 Building zlib-0.6.2 Building contravariant-1.5.1 Completed word8-0.1.3 Starting base-compat-batteries-0.10.5 Building base-compat-batteries-0.10.5 Completed utf8-string-1.0.1.1 Starting blaze-markup-0.8.2.2 Building blaze-markup-0.8.2.2 Completed contravariant-1.5.1 Starting cookie-0.4.4 Building cookie-0.4.4 Completed zlib-0.6.2 Starting ansi-terminal-0.9 Completed blaze-markup-0.8.2.2 Starting unordered-containers-0.2.10.0 Completed cookie-0.4.4 Starting psqueues-0.2.7.1 Building ansi-terminal-0.9 Building unordered-containers-0.2.10.0 Building psqueues-0.2.7.1 Completed base-compat-batteries-0.10.5 Starting case-insensitive-1.2.1.0 Building case-insensitive-1.2.1.0 Completed ansi-terminal-0.9 Starting async-2.2.1 Completed case-insensitive-1.2.1.0 Starting old-time-1.1.0.3 Building async-2.2.1 Building old-time-1.1.0.3 Completed psqueues-0.2.7.1 Starting simple-sendfile-0.2.28 Completed async-2.2.1 Starting network-bsd-2.8.1.0 Building simple-sendfile-0.2.28 Building network-bsd-2.8.1.0 Completed simple-sendfile-0.2.28 Starting iproute-1.7.7 Completed old-time-1.1.0.3 Starting uuid-types-1.0.3 Completed unordered-containers-0.2.10.0 Starting splitmix-0.0.2 Building iproute-1.7.7 Building uuid-types-1.0.3 Completed network-bsd-2.8.1.0 Starting regex-tdfa-1.2.3.1 Building splitmix-0.0.2 Building regex-tdfa-1.2.3.1 Completed splitmix-0.0.2 Starting socks-0.6.0 Building socks-0.6.0 Completed uuid-types-1.0.3 Starting memory-0.14.18 Building memory-0.14.18 Completed iproute-1.7.7 Starting vector-0.12.0.3 Building vector-0.12.0.3 Completed socks-0.6.0 Starting scientific-0.3.6.2 Building scientific-0.3.6.2 Completed scientific-0.3.6.2 Starting distributive-0.6 Completed memory-0.14.18 Starting transformers-base-0.4.5.2 Building transformers-base-0.4.5.2 Building distributive-0.6 Completed transformers-base-0.4.5.2 Starting mmorph-1.1.3 Completed regex-tdfa-1.2.3.1 Starting exceptions-0.10.2 Building mmorph-1.1.3 Building exceptions-0.10.2 Completed distributive-0.6 Starting string-conversions-0.4.0.1 Building string-conversions-0.4.0.1 Completed mmorph-1.1.3 Starting blaze-html-0.9.1.1 Building blaze-html-0.9.1.1 Completed string-conversions-0.4.0.1 Starting ansi-wl-pprint-0.6.8.2 Building ansi-wl-pprint-0.6.8.2 Completed exceptions-0.10.2 Starting http-types-0.12.3 Building http-types-0.12.3 Completed ansi-wl-pprint-0.6.8.2 Starting http-media-0.8.0.0 Building http-media-0.8.0.0 Completed http-types-0.12.3 Starting http2-1.6.5 Building http2-1.6.5 Completed http-media-0.8.0.0 Starting streaming-commons-0.2.1.0 Building streaming-commons-0.2.1.0 Completed streaming-commons-0.2.1.0 Starting unix-time-0.4.5 Completed vector-0.12.0.3 Starting vault-0.3.1.2 Building vault-0.3.1.2 Building unix-time-0.4.5 Completed http2-1.6.5 Starting ekg-core-0.1.1.6 Completed vault-0.3.1.2 Starting hslogger-1.3.0.0 Building ekg-core-0.1.1.6 Building hslogger-1.3.0.0 Completed blaze-html-0.9.1.1 Starting QuickCheck-2.13.1 Completed unix-time-0.4.5 Starting attoparsec-0.13.2.2 Building QuickCheck-2.13.1 Building attoparsec-0.13.2.2 Completed ekg-core-0.1.1.6 Starting pem-0.2.4 Completed hslogger-1.3.0.0 Starting cryptonite-0.25 Building pem-0.2.4 Building cryptonite-0.25 Completed pem-0.2.4 Starting asn1-types-0.3.2 Building asn1-types-0.3.2 Completed asn1-types-0.3.2 Starting monad-control-1.0.2.3 Completed attoparsec-0.13.2.2 Starting comonad-5.0.5 Building monad-control-1.0.2.3 Completed monad-control-1.0.2.3 Starting retry-0.8.0.1 Building comonad-5.0.5 Building retry-0.8.0.1 Completed retry-0.8.0.1 Starting resourcet-1.2.2 Building resourcet-1.2.2 Completed comonad-5.0.5 Starting optparse-applicative-0.14.3.0 Building optparse-applicative-0.14.3.0 Completed QuickCheck-2.13.1 Starting http-client-0.6.4 Completed resourcet-1.2.2 Starting wai-3.2.2 Building http-client-0.6.4 Building wai-3.2.2 Completed wai-3.2.2 Starting fast-logger-2.4.15 Building fast-logger-2.4.15 Completed optparse-applicative-0.14.3.0 Starting asn1-encoding-0.9.5 Building asn1-encoding-0.9.5 Completed fast-logger-2.4.15 Starting http-date-0.0.8 Building http-date-0.0.8 Completed asn1-encoding-0.9.5 Starting attoparsec-iso8601-1.0.1.0 Building attoparsec-iso8601-1.0.1.0 Completed http-date-0.0.8 Starting aeson-1.4.3.0 Building aeson-1.4.3.0 Completed http-client-0.6.4 Starting bifunctors-5.5.4 Completed attoparsec-iso8601-1.0.1.0 Starting wai-logger-2.3.4 Building bifunctors-5.5.4 Building wai-logger-2.3.4 Completed wai-logger-2.3.4 Starting asn1-parse-0.9.4 Building asn1-parse-0.9.4 Completed asn1-parse-0.9.4 Starting warp-3.2.27 Building warp-3.2.27 Completed bifunctors-5.5.4 Starting http-api-data-0.4 Building http-api-data-0.4 Completed http-api-data-0.4 Starting semigroupoids-5.3.2 Building semigroupoids-5.3.2 Completed warp-3.2.27 Starting profunctors-5.3 Building profunctors-5.3 Completed aeson-1.4.3.0 Starting assoc-1 Building assoc-1 Completed assoc-1 Starting wai-extra-3.0.26 Building wai-extra-3.0.26 Completed cryptonite-0.25 Starting servant-0.16.0.1 Completed profunctors-5.3 Starting aeson-compat-0.3.9 Completed semigroupoids-5.3.2 Starting x509-1.7.5 Building aeson-compat-0.3.9 Building x509-1.7.5 Building servant-0.16.0.1 Completed aeson-compat-0.3.9 Starting invariant-0.5.3 Building invariant-0.5.3 Completed wai-extra-3.0.26 Starting free-5.1.1 Building free-5.1.1 Completed x509-1.7.5 Starting wai-app-static-3.1.6.3 Building wai-app-static-3.1.6.3 Completed servant-0.16.0.1 Starting x509-store-1.6.7 Completed invariant-0.5.3 Building x509-store-1.6.7 Completed x509-store-1.6.7 Starting x509-validation-1.6.11 Starting x509-system-1.6.6 Building x509-system-1.6.6 Building x509-validation-1.6.11 Completed x509-system-1.6.6 Completed wai-app-static-3.1.6.3 Starting servant-server-0.16 Completed x509-validation-1.6.11 Starting tls-1.4.1 Building tls-1.4.1 Building servant-server-0.16 Completed free-5.1.1 Starting recursion-schemes-5.1.3 Starting keys-3.12.2 Building recursion-schemes-5.1.3 Building keys-3.12.2 Completed servant-server-0.16 Starting adjunctions-4.4 Completed recursion-schemes-5.1.3 Completed keys-3.12.2 Building adjunctions-4.4 Completed tls-1.4.1 Starting connection-0.3.0 Building connection-0.3.0 Completed adjunctions-4.4 Starting kan-extensions-5.2 Building kan-extensions-5.2 Completed connection-0.3.0 Starting http-client-tls-0.3.5.3 Building http-client-tls-0.3.5.3 Completed http-client-tls-0.3.5.3 Completed kan-extensions-5.2 Starting pointed-5.0.1 Starting lens-4.17.1 Building pointed-5.0.1 Building lens-4.17.1 Completed pointed-5.0.1 Starting vector-instances-3.4 Building vector-instances-3.4 Completed vector-instances-3.4 Completed lens-4.17.1 Starting these-0.8 Building these-0.8 Completed these-0.8 Starting aeson-extra-0.4.1.1 Building aeson-extra-0.4.1.1 Completed aeson-extra-0.4.1.1 Starting instana-haskell-trace-sdk-0.3.0.0 Building instana-haskell-trace-sdk-0.3.0.0 Failed to install instana-haskell-trace-sdk-0.3.0.0 Build log ( /home/builder/.cabal/logs/ghc-8.6.3/instana-haskell-trace-sdk-0.3.0.0-5JUBu9sgKfNDli141A5Xn.log ): cabal: Entering directory '/tmp/cabal-tmp-28929/instana-haskell-trace-sdk-0.3.0.0' Configuring instana-haskell-trace-sdk-0.3.0.0... Preprocessing executable 'instana-haskell-agent-stub' for instana-haskell-trace-sdk-0.3.0.0.. Building executable 'instana-haskell-agent-stub' for instana-haskell-trace-sdk-0.3.0.0.. [ 1 of 14] Compiling Instana.SDK.AgentStub.Config ( test/agent-stub/Instana/SDK/AgentStub/Config.hs, dist/build/instana-haskell-agent-stub/instana-haskell-agent-stub-tmp/Instana/SDK/AgentStub/Config.o ) [ 2 of 14] Compiling Instana.SDK.AgentStub.DiscoveryRequest ( test/shared/Instana/SDK/AgentStub/DiscoveryRequest.hs, dist/build/instana-haskell-agent-stub/instana-haskell-agent-stub-tmp/Instana/SDK/AgentStub/DiscoveryRequest.o ) [ 3 of 14] Compiling Instana.SDK.AgentStub.DiscoveryResponse ( test/shared/Instana/SDK/AgentStub/DiscoveryResponse.hs, dist/build/instana-haskell-agent-stub/instana-haskell-agent-stub-tmp/Instana/SDK/AgentStub/DiscoveryResponse.o ) [ 4 of 14] Compiling Instana.SDK.AgentStub.EntityDataRequest ( test/shared/Instana/SDK/AgentStub/EntityDataRequest.hs, dist/build/instana-haskell-agent-stub/instana-haskell-agent-stub-tmp/Instana/SDK/AgentStub/EntityDataRequest.o ) [ 5 of 14] Compiling Instana.SDK.AgentStub.Logging ( test/agent-stub/Instana/SDK/AgentStub/Logging.hs, dist/build/instana-haskell-agent-stub/instana-haskell-agent-stub-tmp/Instana/SDK/AgentStub/Logging.o ) [ 6 of 14] Compiling Instana.SDK.AgentStub.TraceRequest ( test/shared/Instana/SDK/AgentStub/TraceRequest.hs, dist/build/instana-haskell-agent-stub/instana-haskell-agent-stub-tmp/Instana/SDK/AgentStub/TraceRequest.o ) [ 7 of 14] Compiling Instana.SDK.AgentStub.StubAPI ( test/agent-stub/Instana/SDK/AgentStub/StubAPI.hs, dist/build/instana-haskell-agent-stub/instana-haskell-agent-stub-tmp/Instana/SDK/AgentStub/StubAPI.o ) [ 8 of 14] Compiling Instana.SDK.AgentStub.Recorders ( test/agent-stub/Instana/SDK/AgentStub/Recorders.hs, dist/build/instana-haskell-agent-stub/instana-haskell-agent-stub-tmp/Instana/SDK/AgentStub/Recorders.o ) [ 9 of 14] Compiling Instana.SDK.AgentStub.API ( test/agent-stub/Instana/SDK/AgentStub/API.hs, dist/build/instana-haskell-agent-stub/instana-haskell-agent-stub-tmp/Instana/SDK/AgentStub/API.o ) [10 of 14] Compiling Instana.SDK.AgentStub.Util ( test/agent-stub/Instana/SDK/AgentStub/Util.hs, dist/build/instana-haskell-agent-stub/instana-haskell-agent-stub-tmp/Instana/SDK/AgentStub/Util.o ) [11 of 14] Compiling Instana.SDK.AgentStub.StubServer ( test/agent-stub/Instana/SDK/AgentStub/StubServer.hs, dist/build/instana-haskell-agent-stub/instana-haskell-agent-stub-tmp/Instana/SDK/AgentStub/StubServer.o ) [12 of 14] Compiling Instana.SDK.AgentStub.Server ( test/agent-stub/Instana/SDK/AgentStub/Server.hs, dist/build/instana-haskell-agent-stub/instana-haskell-agent-stub-tmp/Instana/SDK/AgentStub/Server.o ) [13 of 14] Compiling Instana.SDK.AgentStub.Main ( test/agent-stub/Instana/SDK/AgentStub/Main.hs, dist/build/instana-haskell-agent-stub/instana-haskell-agent-stub-tmp/Instana/SDK/AgentStub/Main.o ) [14 of 14] Compiling Main ( test/agent-stub/Main.hs, dist/build/instana-haskell-agent-stub/instana-haskell-agent-stub-tmp/Main.o ) Linking dist/build/instana-haskell-agent-stub/instana-haskell-agent-stub ... Preprocessing library for instana-haskell-trace-sdk-0.3.0.0.. Building library for instana-haskell-trace-sdk-0.3.0.0.. [ 1 of 37] Compiling Instana.SDK.Config ( src/Instana/SDK/Config.hs, dist/build/Instana/SDK/Config.o ) [ 2 of 37] Compiling Instana.SDK.Internal.AgentConnection.Json.Util ( src/Instana/SDK/Internal/AgentConnection/Json/Util.hs, dist/build/Instana/SDK/Internal/AgentConnection/Json/Util.o ) [ 3 of 37] Compiling Instana.SDK.Internal.AgentConnection.Paths ( src/Instana/SDK/Internal/AgentConnection/Paths.hs, dist/build/Instana/SDK/Internal/AgentConnection/Paths.o ) [ 4 of 37] Compiling Instana.SDK.Internal.AgentConnection.ProcessInfo ( src/Instana/SDK/Internal/AgentConnection/ProcessInfo.hs, dist/build/Instana/SDK/Internal/AgentConnection/ProcessInfo.o ) [ 5 of 37] Compiling Instana.SDK.Internal.AgentConnection.SchedFile ( src/Instana/SDK/Internal/AgentConnection/SchedFile.hs, dist/build/Instana/SDK/Internal/AgentConnection/SchedFile.o ) [ 6 of 37] Compiling Instana.SDK.Internal.Config ( src/Instana/SDK/Internal/Config.hs, dist/build/Instana/SDK/Internal/Config.o ) [ 7 of 37] Compiling Instana.SDK.Internal.Id ( src/Instana/SDK/Internal/Id.hs, dist/build/Instana/SDK/Internal/Id.o ) [ 8 of 37] Compiling Instana.SDK.Internal.Logging ( src/Instana/SDK/Internal/Logging.hs, dist/build/Instana/SDK/Internal/Logging.o ) [ 9 of 37] Compiling Instana.SDK.Internal.Metrics.Sample ( src/Instana/SDK/Internal/Metrics/Sample.hs, dist/build/Instana/SDK/Internal/Metrics/Sample.o ) [10 of 37] Compiling Instana.SDK.Internal.Metrics.Deltas ( src/Instana/SDK/Internal/Metrics/Deltas.hs, dist/build/Instana/SDK/Internal/Metrics/Deltas.o ) [11 of 37] Compiling Instana.SDK.Internal.Metrics.Compression ( src/Instana/SDK/Internal/Metrics/Compression.hs, dist/build/Instana/SDK/Internal/Metrics/Compression.o ) [12 of 37] Compiling Instana.SDK.Internal.Retry ( src/Instana/SDK/Internal/Retry.hs, dist/build/Instana/SDK/Internal/Retry.o ) [13 of 37] Compiling Instana.SDK.Internal.URL ( src/Instana/SDK/Internal/URL.hs, dist/build/Instana/SDK/Internal/URL.o ) [14 of 37] Compiling Instana.SDK.Internal.Util ( src/Instana/SDK/Internal/Util.hs, dist/build/Instana/SDK/Internal/Util.o ) [15 of 37] Compiling Instana.SDK.Internal.Secrets ( src/Instana/SDK/Internal/Secrets.hs, dist/build/Instana/SDK/Internal/Secrets.o ) [16 of 37] Compiling Instana.SDK.Internal.AgentConnection.Json.AnnounceResponse ( src/Instana/SDK/Internal/AgentConnection/Json/AnnounceResponse.hs, dist/build/Instana/SDK/Internal/AgentConnection/Json/AnnounceResponse.o ) [17 of 37] Compiling Instana.SDK.Internal.WireSpan ( src/Instana/SDK/Internal/WireSpan.hs, dist/build/Instana/SDK/Internal/WireSpan.o ) [18 of 37] Compiling Instana.SDK.Span.NonRootEntry ( src/Instana/SDK/Span/NonRootEntry.hs, dist/build/Instana/SDK/Span/NonRootEntry.o ) [19 of 37] Compiling Instana.SDK.Span.RootEntry ( src/Instana/SDK/Span/RootEntry.hs, dist/build/Instana/SDK/Span/RootEntry.o ) [20 of 37] Compiling Instana.SDK.Span.EntrySpan ( src/Instana/SDK/Span/EntrySpan.hs, dist/build/Instana/SDK/Span/EntrySpan.o ) [21 of 37] Compiling Instana.SDK.Span.ExitSpan ( src/Instana/SDK/Span/ExitSpan.hs, dist/build/Instana/SDK/Span/ExitSpan.o ) [22 of 37] Compiling Instana.SDK.Internal.Command ( src/Instana/SDK/Internal/Command.hs, dist/build/Instana/SDK/Internal/Command.o ) [23 of 37] Compiling Instana.SDK.Span.Span ( src/Instana/SDK/Span/Span.hs, dist/build/Instana/SDK/Span/Span.o ) [24 of 37] Compiling Instana.SDK.Internal.SpanStack ( src/Instana/SDK/Internal/SpanStack.hs, dist/build/Instana/SDK/Internal/SpanStack.o ) [25 of 37] Compiling Instana.SDK.Internal.Context ( src/Instana/SDK/Internal/Context.hs, dist/build/Instana/SDK/Internal/Context.o ) [26 of 37] Compiling Instana.SDK.Span.SpanType ( src/Instana/SDK/Span/SpanType.hs, dist/build/Instana/SDK/Span/SpanType.o ) [27 of 37] Compiling Instana.SDK.TracingHeaders ( src/Instana/SDK/TracingHeaders.hs, dist/build/Instana/SDK/TracingHeaders.o ) [28 of 37] Compiling Paths_instana_haskell_trace_sdk ( dist/build/autogen/Paths_instana_haskell_trace_sdk.hs, dist/build/Paths_instana_haskell_trace_sdk.o ) [29 of 37] Compiling Instana.SDK.Internal.Metrics.Collector ( src/Instana/SDK/Internal/Metrics/Collector.hs, dist/build/Instana/SDK/Internal/Metrics/Collector.o ) [30 of 37] Compiling Instana.SDK.Internal.AgentConnection.AgentReady ( src/Instana/SDK/Internal/AgentConnection/AgentReady.hs, dist/build/Instana/SDK/Internal/AgentConnection/AgentReady.o ) [31 of 37] Compiling Instana.SDK.Internal.AgentConnection.Announce ( src/Instana/SDK/Internal/AgentConnection/Announce.hs, dist/build/Instana/SDK/Internal/AgentConnection/Announce.o ) [32 of 37] Compiling Instana.SDK.Internal.AgentConnection.AgentHostLookup ( src/Instana/SDK/Internal/AgentConnection/AgentHostLookup.hs, dist/build/Instana/SDK/Internal/AgentConnection/AgentHostLookup.o ) [33 of 37] Compiling Instana.SDK.Internal.AgentConnection.ConnectLoop ( src/Instana/SDK/Internal/AgentConnection/ConnectLoop.hs, dist/build/Instana/SDK/Internal/AgentConnection/ConnectLoop.o ) [34 of 37] Compiling Instana.SDK.Internal.Worker ( src/Instana/SDK/Internal/Worker.hs, dist/build/Instana/SDK/Internal/Worker.o ) [35 of 37] Compiling Instana.SDK.SDK ( src/Instana/SDK/SDK.hs, dist/build/Instana/SDK/SDK.o ) src/Instana/SDK/SDK.hs:208:44: error: • Couldn't match type ‘IO Foreign.C.Types.CInt’ with ‘Foreign.C.Types.CInt’ Expected type: STM.TVar (Maybe Foreign.C.Types.CInt) Actual type: STM.TVar (Maybe (IO Foreign.C.Types.CInt)) • In the ‘fileDescriptor’ field of a record In the expression: InternalContext {InternalContext.config = conf, InternalContext.sdkStartTime = now, InternalContext.httpManager = manager, InternalContext.commandQueue = commandQueue, InternalContext.spanQueue = spanQueue, InternalContext.connectionState = connectionState, InternalContext.fileDescriptor = fileDescriptor, InternalContext.currentSpans = currentSpans, InternalContext.previousMetricsSample = previousMetricsSample} In an equation for ‘context’: context = InternalContext {InternalContext.config = conf, InternalContext.sdkStartTime = now, InternalContext.httpManager = manager, InternalContext.commandQueue = commandQueue, InternalContext.spanQueue = spanQueue, InternalContext.connectionState = connectionState, InternalContext.fileDescriptor = fileDescriptor, InternalContext.currentSpans = currentSpans, InternalContext.previousMetricsSample = previousMetricsSample} | 208 | , InternalContext.fileDescriptor = fileDescriptor | ^^^^^^^^^^^^^^ cabal: Leaving directory '/tmp/cabal-tmp-28929/instana-haskell-trace-sdk-0.3.0.0' cabal: Error: some packages failed to install: instana-haskell-trace-sdk-0.3.0.0-5JUBu9sgKfNDli141A5Xn failed during the building phase. The exception was: ExitFailure 1