Resolving dependencies... Warning: Note that reinstalls are always dangerous. Continuing anyway... Notice: installing into a sandbox located at /home/builder/hackage-server/.cabal-sandbox Configuring http-client-0.5.7.1... Configuring servant-0.12.1... Failed to install servant-0.12.1 Build log ( /home/builder/hackage-server/.cabal-sandbox/logs/ghc-8.2.2/servant-0.12.1-29b8uknnaUX9kT63waxDFZ.log ): cabal: Entering directory '/tmp/cabal-tmp-5240/servant-0.12.1' cabal: Leaving directory '/tmp/cabal-tmp-5240/servant-0.12.1' Building http-client-0.5.7.1... Failed to install http-client-0.5.7.1 Build log ( /home/builder/hackage-server/.cabal-sandbox/logs/ghc-8.2.2/http-client-0.5.7.1-AQBKmH1yHmwG8oj29Vw5a.log ): cabal: Entering directory '/tmp/cabal-tmp-5239/http-client-0.5.7.1' Configuring http-client-0.5.7.1... Preprocessing library for http-client-0.5.7.1.. Building library for http-client-0.5.7.1.. [ 1 of 18] Compiling Network.HTTP.Client.Types ( Network/HTTP/Client/Types.hs, dist/dist-sandbox-9df84abc/build/Network/HTTP/Client/Types.o ) Network/HTTP/Client/Types.hs:41:1: error: Could not find module ‘Network.HTTP.Types’ There are files missing in the ‘http-types-0.11’ package, try running 'ghc-pkg check'. Use -v to see a list of the files searched for. | 41 | import Network.HTTP.Types | ^^^^^^^^^^^^^^^^^^^^^^^^^ Network/HTTP/Client/Types.hs:60:1: error: Could not find module ‘Data.Streaming.Zlib’ There are files missing in the ‘streaming-commons-0.1.18’ package, try running 'ghc-pkg check'. Use -v to see a list of the files searched for. | 60 | import Data.Streaming.Zlib (ZlibException) | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ cabal: Leaving directory '/tmp/cabal-tmp-5239/http-client-0.5.7.1' cabal: Error: some packages failed to install: http-client-0.5.7.1-AQBKmH1yHmwG8oj29Vw5a failed during the building phase. The exception was: ExitFailure 1 servant-0.12.1-29b8uknnaUX9kT63waxDFZ failed during the configure step. The exception was: dieVerbatim: user error (cabal: '/usr/local/bin/ghc' exited with an error: /tmp/cabal-tmp-5240/servant-0.12.1/dist/dist-sandbox-9df84abc/setup/setup.hs:12:1: error: Could not find module ‘Distribution.Extra.Doctest’ There are files missing in the ‘cabal-doctest-1.0.4’ package, try running 'ghc-pkg check'. Use -v to see a list of the files searched for. | 12 | import Distribution.Extra.Doctest ( defaultMainWithDoctests ) | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ )