Resolving dependencies...
cabal: Entering directory '/tmp/cabal-tmp-11408/file-embed-0.0.10'
Configuring file-embed-0.0.10...
Building file-embed-0.0.10...
Preprocessing library file-embed-0.0.10...
[1 of 1] Compiling Data.FileEmbed   ( Data/FileEmbed.hs, dist/build/Data/FileEmbed.o )
Running Haddock for file-embed-0.0.10...
Running hscolour for file-embed-0.0.10...
Preprocessing library file-embed-0.0.10...
Preprocessing library file-embed-0.0.10...
Haddock coverage:
  83% ( 19 / 23) in 'Data.FileEmbed'
  Missing documentation for:
    makeRelativeToProject (Data/FileEmbed.hs:360)
    stringToBs (Data/FileEmbed.hs:153)
    bsToExp (Data/FileEmbed.hs:135)
    strToExp (Data/FileEmbed.hs:190)
Documentation created: dist/doc/html/file-embed/index.html,
dist/doc/html/file-embed/file-embed.txt
Creating package registration file:
/tmp/pkgConf-file-embed-0.02145174067468703135.10
Installing library in
/home/builder/hackage-server/build-cache/tmp-install/lib/x86_64-linux-ghc-8.0.1.20160701/file-embed-0.0.10-IXfudWSq57y1Athysk5ifZ
Registering file-embed-0.0.10...
cabal: Leaving directory '/tmp/cabal-tmp-11408/file-embed-0.0.10'
Installed file-embed-0.0.10
cabal: Entering directory '/tmp/cabal-tmp-11408/Salsa-0.2.0.2'
Configuring Salsa-0.2.0.2...
Building Salsa-0.2.0.2...
Preprocessing library Salsa-0.2.0.2...
[1 of 9] Compiling Foreign.Salsa.Driver ( Foreign/Salsa/Driver.hs, dist/build/Foreign/Salsa/Driver.o )
[2 of 9] Compiling Foreign.Salsa.Mono.CLRHost ( Foreign/Salsa/Mono/CLRHost.hs, dist/build/Foreign/Salsa/Mono/CLRHost.o )
[3 of 9] Compiling Foreign.Salsa.TypePrelude ( Foreign/Salsa/TypePrelude.hs, dist/build/Foreign/Salsa/TypePrelude.o )
[4 of 9] Compiling Foreign.Salsa.CLR ( Foreign/Salsa/CLR.hs, dist/build/Foreign/Salsa/CLR.o )
[5 of 9] Compiling Foreign.Salsa.Common ( Foreign/Salsa/Common.hs, dist/build/Foreign/Salsa/Common.o )
[6 of 9] Compiling Foreign.Salsa.Resolver ( Foreign/Salsa/Resolver.hs, dist/build/Foreign/Salsa/Resolver.o )
[7 of 9] Compiling Foreign.Salsa.Core ( Foreign/Salsa/Core.hs, dist/build/Foreign/Salsa/Core.o )
[8 of 9] Compiling Foreign.Salsa.Binding ( Foreign/Salsa/Binding.hs, dist/build/Foreign/Salsa/Binding.o )

Foreign/Salsa/Binding.hs:50:1: error:
    • Non type-variable argument
        in the constraint: Marshal from SalsaString
      (Use FlexibleContexts to permit this)
    • When checking the inferred type
        type_GetType :: forall b from.
                        (Marshal from SalsaString, Unmarshal ObjectId b) =>
                        from -> IO b
cabal: Leaving directory '/tmp/cabal-tmp-11408/Salsa-0.2.0.2'
Failed to install Salsa-0.2.0.2
cabal: Error: some packages failed to install:
Salsa-0.2.0.2 failed during the building phase. The exception was:
ExitFailure 1