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-1.2 Starting base-orphans-0.8.1 Starting base-unicode-symbols-0.2.4.2 Starting base-compat-0.11.0 Building StateVar-1.2 Building base-unicode-symbols-0.2.4.2 Building base-orphans-0.8.1 Building base-compat-0.11.0 Completed base-orphans-0.8.1 Starting base64-bytestring-1.0.0.3 Completed StateVar-1.2 Starting basement-0.0.11 Completed base-unicode-symbols-0.2.4.2 Starting blaze-builder-0.4.1.0 Building base64-bytestring-1.0.0.3 Building basement-0.0.11 Building blaze-builder-0.4.1.0 Completed base64-bytestring-1.0.0.3 Starting cabal-doctest-1.0.8 Building cabal-doctest-1.0.8 Completed blaze-builder-0.4.1.0 Starting cereal-0.5.8.1 Building cereal-0.5.8.1 Completed base-compat-0.11.0 Starting colour-2.3.5 Completed cabal-doctest-1.0.8 Starting data-default-class-0.1.2.0 Building colour-2.3.5 Building data-default-class-0.1.2.0 Completed data-default-class-0.1.2.0 Starting dlist-0.8.0.7 Building dlist-0.8.0.7 Completed dlist-0.8.0.7 Starting exceptions-0.10.4 Completed cereal-0.5.8.1 Starting hashable-1.3.0.0 Building exceptions-0.10.4 Building hashable-1.3.0.0 Completed colour-2.3.5 Starting hourglass-0.2.12 Building hourglass-0.2.12 Completed exceptions-0.10.4 Starting integer-logarithms-1.0.3 Completed hashable-1.3.0.0 Starting mime-types-0.1.0.9 Building integer-logarithms-1.0.3 Building mime-types-0.1.0.9 Completed integer-logarithms-1.0.3 Starting network-3.1.1.1 Completed hourglass-0.2.12 Starting network-uri-2.6.1.0 Building network-uri-2.6.1.0 Building network-3.1.1.1 Completed mime-types-0.1.0.9 Starting old-locale-1.0.0.7 Building old-locale-1.0.0.7 Completed old-locale-1.0.0.7 Starting primitive-0.7.0.0 Completed network-uri-2.6.1.0 Starting random-1.1 Building primitive-0.7.0.0 Building random-1.1 Completed random-1.1 Starting semigroups-0.19.1 Building semigroups-0.19.1 Completed network-3.1.1.1 Starting split-0.2.3.3 Building split-0.2.3.3 Completed semigroups-0.19.1 Starting tagged-0.8.6 Building tagged-0.8.6 Completed split-0.2.3.3 Starting th-abstraction-0.3.1.0 Building th-abstraction-0.3.1.0 Completed tagged-0.8.6 Starting transformers-compat-0.6.5 Building transformers-compat-0.6.5 Completed primitive-0.7.0.0 Starting unliftio-core-0.1.2.0 Completed th-abstraction-0.3.1.0 Starting zlib-0.6.2.1 Building unliftio-core-0.1.2.0 Completed transformers-compat-0.6.5 Starting time-compat-1.9.2.2 Building zlib-0.6.2.1 Building time-compat-1.9.2.2 Completed basement-0.0.11 Starting contravariant-1.5.2 Completed unliftio-core-0.1.2.0 Starting data-default-instances-containers-0.0.1 Building contravariant-1.5.2 Building data-default-instances-containers-0.0.1 Completed data-default-instances-containers-0.0.1 Starting cookie-0.4.5 Building cookie-0.4.5 Completed contravariant-1.5.2 Starting data-default-instances-dlist-0.0.1 Completed time-compat-1.9.2.2 Starting ansi-terminal-0.10.2 Building data-default-instances-dlist-0.0.1 Building ansi-terminal-0.10.2 Completed zlib-0.6.2.1 Starting unordered-containers-0.2.10.0 Completed cookie-0.4.5 Starting case-insensitive-1.2.1.0 Building unordered-containers-0.2.10.0 Completed data-default-instances-dlist-0.0.1 Starting async-2.2.2 Building case-insensitive-1.2.1.0 Building async-2.2.2 Completed case-insensitive-1.2.1.0 Starting data-default-instances-old-locale-0.0.1 Building data-default-instances-old-locale-0.0.1 Completed ansi-terminal-0.10.2 Starting uuid-types-1.0.3 Completed async-2.2.2 Starting distributive-0.6.1 Building uuid-types-1.0.3 Completed data-default-instances-old-locale-0.0.1 Starting vector-0.12.0.3 Building vector-0.12.0.3 Building distributive-0.6.1 Completed uuid-types-1.0.3 Starting scientific-0.3.6.2 Building scientific-0.3.6.2 Completed distributive-0.6.1 Starting transformers-base-0.4.5.2 Completed unordered-containers-0.2.10.0 Starting socks-0.6.1 Building transformers-base-0.4.5.2 Building socks-0.6.1 Completed scientific-0.3.6.2 Starting memory-0.15.0 Completed transformers-base-0.4.5.2 Starting resourcet-1.2.2 Building memory-0.15.0 Building resourcet-1.2.2 Completed socks-0.6.1 Starting http-types-0.12.3 Building http-types-0.12.3 Completed resourcet-1.2.2 Starting ansi-wl-pprint-0.6.9 Building ansi-wl-pprint-0.6.9 Completed http-types-0.12.3 Starting streaming-commons-0.2.1.2 Building streaming-commons-0.2.1.2 Completed ansi-wl-pprint-0.6.9 Starting data-default-0.7.1.1 Building data-default-0.7.1.1 Completed data-default-0.7.1.1 Starting comonad-5.0.6 Completed memory-0.15.0 Starting attoparsec-0.13.2.3 Building attoparsec-0.13.2.3 Building comonad-5.0.6 Completed streaming-commons-0.2.1.2 Starting monad-control-1.0.2.3 Building monad-control-1.0.2.3 Completed comonad-5.0.6 Starting optparse-applicative-0.15.1.0 Building optparse-applicative-0.15.1.0 Completed monad-control-1.0.2.3 Starting pem-0.2.4 Building pem-0.2.4 Completed attoparsec-0.13.2.3 Starting cryptonite-0.26 Building cryptonite-0.26 Completed pem-0.2.4 Starting asn1-types-0.3.3 Building asn1-types-0.3.3 Completed vector-0.12.0.3 Starting http-client-0.6.4 Building http-client-0.6.4 Completed asn1-types-0.3.3 Starting bifunctors-5.5.6 Building bifunctors-5.5.6 Completed optparse-applicative-0.15.1.0 Starting lifted-base-0.2.3.12 Building lifted-base-0.2.3.12 Completed lifted-base-0.2.3.12 Starting vector-algorithms-0.8.0.3 Building vector-algorithms-0.8.0.3 Completed http-client-0.6.4 Starting aeson-1.4.6.0 Completed bifunctors-5.5.6 Starting asn1-encoding-0.9.6 Building aeson-1.4.6.0 Building asn1-encoding-0.9.6 Completed vector-algorithms-0.8.0.3 Starting enclosed-exceptions-1.0.3 Building enclosed-exceptions-1.0.3 Completed asn1-encoding-0.9.6 Starting semigroupoids-5.3.4 Completed enclosed-exceptions-1.0.3 Starting profunctors-5.5.1 Building profunctors-5.5.1 Building semigroupoids-5.3.4 Completed profunctors-5.5.1 Starting mono-traversable-1.0.15.1 Building mono-traversable-1.0.15.1 Completed semigroupoids-5.3.4 Starting asn1-parse-0.9.5 Building asn1-parse-0.9.5 Completed asn1-parse-0.9.5 Completed aeson-1.4.6.0 Completed mono-traversable-1.0.15.1 Starting conduit-1.3.1.2 Building conduit-1.3.1.2 Completed cryptonite-0.26 Starting x509-1.7.5 Building x509-1.7.5 Completed conduit-1.3.1.2 Starting libyaml-0.1.1.1 Building libyaml-0.1.1.1 Completed x509-1.7.5 Starting x509-store-1.6.7 Building x509-store-1.6.7 Completed x509-store-1.6.7 Starting x509-system-1.6.6 Starting x509-validation-1.6.11 Completed libyaml-0.1.1.1 Starting yaml-0.11.2.0 Building x509-system-1.6.6 Building x509-validation-1.6.11 Building yaml-0.11.2.0 Completed x509-system-1.6.6 Completed x509-validation-1.6.11 Starting tls-1.5.3 Building tls-1.5.3 Completed yaml-0.11.2.0 Completed tls-1.5.3 Starting connection-0.3.1 Building connection-0.3.1 Completed connection-0.3.1 Starting http-client-tls-0.3.5.3 Building http-client-tls-0.3.5.3 Completed http-client-tls-0.3.5.3 Starting configuration-tools-0.4.2 Building configuration-tools-0.4.2 Failed to install configuration-tools-0.4.2 Build log ( /home/builder/.cabal/logs/ghc-8.6.3/configuration-tools-0.4.2-5eoE6pSrU5gDnBUEurVtXi.log ): cabal: Entering directory '/tmp/cabal-tmp-2249/configuration-tools-0.4.2' [1 of 1] Compiling Main ( /tmp/cabal-tmp-2249/configuration-tools-0.4.2/dist/setup/setup.hs, /tmp/cabal-tmp-2249/configuration-tools-0.4.2/dist/setup/Main.o ) Linking /tmp/cabal-tmp-2249/configuration-tools-0.4.2/dist/setup/setup ... Configuring configuration-tools-0.4.2... Preprocessing library for configuration-tools-0.4.2.. Building library for configuration-tools-0.4.2.. [ 1 of 12] Compiling Configuration.Utils.Internal ( src/Configuration/Utils/Internal.hs, dist/build/Configuration/Utils/Internal.o ) [ 2 of 12] Compiling Configuration.Utils.Maybe ( src/Configuration/Utils/Maybe.hs, dist/build/Configuration/Utils/Maybe.o ) [ 3 of 12] Compiling Configuration.Utils.Operators ( src/Configuration/Utils/Operators.hs, dist/build/Configuration/Utils/Operators.o ) [ 4 of 12] Compiling Configuration.Utils.CommandLine ( src/Configuration/Utils/CommandLine.hs, dist/build/Configuration/Utils/CommandLine.o ) src/Configuration/Utils/CommandLine.hs:185:5: error: Ambiguous occurrence ‘×’ It could refer to either ‘Configuration.Utils.Operators.×’, imported from ‘Configuration.Utils.Operators’ at src/Configuration/Utils/CommandLine.hs:54:1-36 (and originally defined at src/Configuration/Utils/Operators.hs:52:1-3) or ‘Prelude.Unicode.×’, imported from ‘Prelude.Unicode’ at src/Configuration/Utils/CommandLine.hs:78:1-22 | 185 | × O.metavar "true|false" | ^ src/Configuration/Utils/CommandLine.hs:261:5: error: Ambiguous occurrence ‘×’ It could refer to either ‘Configuration.Utils.Operators.×’, imported from ‘Configuration.Utils.Operators’ at src/Configuration/Utils/CommandLine.hs:54:1-36 (and originally defined at src/Configuration/Utils/Operators.hs:52:1-3) or ‘Prelude.Unicode.×’, imported from ‘Prelude.Unicode’ at src/Configuration/Utils/CommandLine.hs:78:1-22 | 261 | × O.metavar "FILE" | ^ cabal: Leaving directory '/tmp/cabal-tmp-2249/configuration-tools-0.4.2' cabal: Error: some packages failed to install: configuration-tools-0.4.2-5eoE6pSrU5gDnBUEurVtXi failed during the building phase. The exception was: ExitFailure 1