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 MonadPrompt-1.0.0.5 Starting StateVar-1.1.1.1 Starting SafeSemaphore-0.10.1 Starting base-orphans-0.8.1 Building MonadPrompt-1.0.0.5 Building base-orphans-0.8.1 Building StateVar-1.1.1.1 Building SafeSemaphore-0.10.1 Completed base-orphans-0.8.1 Starting cabal-doctest-1.0.6 Completed MonadPrompt-1.0.0.5 Starting cereal-0.5.8.0 Completed StateVar-1.1.1.1 Starting data-default-class-0.1.2.0 Building cabal-doctest-1.0.6 Building cereal-0.5.8.0 Building data-default-class-0.1.2.0 Completed data-default-class-0.1.2.0 Starting dependent-sum-0.4 Completed SafeSemaphore-0.10.1 Starting erf-2.0.0.0 Building dependent-sum-0.4 Building erf-2.0.0.0 Completed cabal-doctest-1.0.6 Starting hashable-1.2.7.0 Building hashable-1.2.7.0 Completed erf-2.0.0.0 Starting integer-logarithms-1.0.3 Completed dependent-sum-0.4 Starting monad-loops-0.4.3 Building integer-logarithms-1.0.3 Building monad-loops-0.4.3 Completed integer-logarithms-1.0.3 Starting network-3.0.1.1 Completed hashable-1.2.7.0 Starting network-uri-2.6.1.0 Completed monad-loops-0.4.3 Starting old-locale-1.0.0.7 Completed cereal-0.5.8.0 Starting primitive-0.6.4.0 Building network-uri-2.6.1.0 Building old-locale-1.0.0.7 Building primitive-0.6.4.0 Completed old-locale-1.0.0.7 Starting random-1.1 Building random-1.1 Building network-3.0.1.1 Completed network-uri-2.6.1.0 Starting regex-base-0.93.2 Building regex-base-0.93.2 Completed random-1.1 Starting semigroups-0.18.5 Building semigroups-0.18.5 Completed regex-base-0.93.2 Starting split-0.2.3.3 Building split-0.2.3.3 Completed semigroups-0.18.5 Starting stateref-0.3 Building stateref-0.3 Completed split-0.2.3.3 Starting syb-0.7 Building syb-0.7 Completed stateref-0.3 Starting tagged-0.8.6 Completed network-3.0.1.1 Starting tagsoup-0.14.7 Building tagged-0.8.6 Building tagsoup-0.14.7 Completed primitive-0.6.4.0 Starting th-abstraction-0.3.1.0 Completed syb-0.7 Starting transformers-compat-0.6.4 Building th-abstraction-0.3.1.0 Completed tagged-0.8.6 Starting utf8-string-1.0.1.1 Building transformers-compat-0.6.4 Building utf8-string-1.0.1.1 Completed transformers-compat-0.6.4 Starting void-0.7.2 Building void-0.7.2 Completed th-abstraction-0.3.1.0 Starting zlib-0.6.2 Completed utf8-string-1.0.1.1 Starting contravariant-1.5 Completed void-0.7.2 Starting dependent-map-0.2.4.0 Building zlib-0.6.2 Building contravariant-1.5 Building dependent-map-0.2.4.0 Completed contravariant-1.5 Starting unordered-containers-0.2.10.0 Building unordered-containers-0.2.10.0 Completed dependent-map-0.2.4.0 Starting mersenne-random-pure64-0.2.2.0 Completed tagsoup-0.14.7 Starting edit-distance-0.2.2.1 Building mersenne-random-pure64-0.2.2.0 Building edit-distance-0.2.2.1 Completed zlib-0.6.2 Starting regex-tdfa-1.2.3.1 Building regex-tdfa-1.2.3.1 Completed mersenne-random-pure64-0.2.2.0 Starting network-bsd-2.8.1.0 Completed edit-distance-0.2.2.1 Starting HTTP-4000.3.13 Building network-bsd-2.8.1.0 Building HTTP-4000.3.13 Completed network-bsd-2.8.1.0 Starting vector-0.12.0.2 Building vector-0.12.0.2 Completed unordered-containers-0.2.10.0 Starting scientific-0.3.6.2 Building scientific-0.3.6.2 Completed scientific-0.3.6.2 Starting prim-uniq-0.1.0.1 Building prim-uniq-0.1.0.1 Completed HTTP-4000.3.13 Starting th-extras-0.0.0.4 Building th-extras-0.0.0.4 Completed prim-uniq-0.1.0.1 Starting distributive-0.6 Completed regex-tdfa-1.2.3.1 Starting transformers-base-0.4.5.2 Completed th-extras-0.0.0.4 Starting MonadRandom-0.5.1.1 Building transformers-base-0.4.5.2 Building MonadRandom-0.5.1.1 Building distributive-0.6 Completed transformers-base-0.4.5.2 Starting hslogger-1.3.0.0 Building hslogger-1.3.0.0 Completed distributive-0.6 Starting bytes-0.15.5 Completed MonadRandom-0.5.1.1 Starting oeis-0.3.9 Failed to install oeis-0.3.9 Build log ( /home/builder/.cabal/logs/ghc-8.6.3/oeis-0.3.9-EZdA1ei1oft9fA843bQveN.log ): cabal: Entering directory '/tmp/cabal-tmp-27379/oeis-0.3.9' cabal: Leaving directory '/tmp/cabal-tmp-27379/oeis-0.3.9' Starting flexible-defaults-0.0.2 Building flexible-defaults-0.0.2 Completed hslogger-1.3.0.0 Building bytes-0.15.5 Completed flexible-defaults-0.0.2 Completed bytes-0.15.5 Completed vector-0.12.0.2 cabal: Error: some packages failed to install: lambdabot-reference-plugins-5.2-6cVqw9JmRSDKpDyRCd4U4v depends on lambdabot-reference-plugins-5.2 which failed to install. oeis-0.3.9-EZdA1ei1oft9fA843bQveN failed during the configure step. The exception was: dieVerbatim: user error (cabal: '/opt/ghc/bin/ghc' exited with an error: Loaded package environment from /home/builder/hackage-server/.ghc.environment.x86_64-linux-8.6.3 /tmp/cabal-tmp-27379/oeis-0.3.9/dist/setup/setup.hs:3:1: error: Ambiguous module name ‘Distribution.Simple’: it was found in multiple packages: Cabal-2.4.0.1 Cabal-2.4.1.0 | 3 | import Distribution.Simple (defaultMain) | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ )