Resolving dependencies...
Configuring base16-bytestring-0.1.1.6...
Configuring base-compat-0.10.1...
Building base-compat-0.10.1...
Building base16-bytestring-0.1.1.6...
Installed base16-bytestring-0.1.1.6
Configuring bytestring-builder-0.10.8.1.0...
Building bytestring-builder-0.10.8.1.0...
Installed bytestring-builder-0.10.8.1.0
Configuring data-binary-ieee754-0.4.4...
Building data-binary-ieee754-0.4.4...
Installed data-binary-ieee754-0.4.4
Configuring dlist-0.8.0.4...
Building dlist-0.8.0.4...
Installed base-compat-0.10.1
Configuring entropy-0.4.1.1...
Installed dlist-0.8.0.4
Configuring fail-4.9.0.0...
Building entropy-0.4.1.1...
Building fail-4.9.0.0...
Installed fail-4.9.0.0
Configuring fingertree-0.1.4.1...
Building fingertree-0.1.4.1...
Installed entropy-0.4.1.1
Configuring semigroups-0.18.4...
Building semigroups-0.18.4...
Installed semigroups-0.18.4
Configuring transformers-compat-0.6.1.5...
Building transformers-compat-0.6.1.5...
Installed fingertree-0.1.4.1
Configuring pure-zlib-0.6.2...
Building pure-zlib-0.6.2...
Installed transformers-compat-0.6.1.5
Configuring tagged-0.8.5...
Failed to install pure-zlib-0.6.2
Build log ( /home/builder/.cabal/logs/ghc-8.2.2/pure-zlib-0.6.2-Dd9Rqc16XCTGYAzhV1efNv.log ):
cabal: Entering directory '/tmp/cabal-tmp-13709/pure-zlib-0.6.2'
Configuring pure-zlib-0.6.2...
Preprocessing library for pure-zlib-0.6.2..
Building library for pure-zlib-0.6.2..
[1 of 6] Compiling Codec.Compression.Zlib.Adler32 ( src/Codec/Compression/Zlib/Adler32.hs, dist/build/Codec/Compression/Zlib/Adler32.o )
[2 of 6] Compiling Codec.Compression.Zlib.HuffmanTree ( src/Codec/Compression/Zlib/HuffmanTree.hs, dist/build/Codec/Compression/Zlib/HuffmanTree.o )
[3 of 6] Compiling Codec.Compression.Zlib.OutputWindow ( src/Codec/Compression/Zlib/OutputWindow.hs, dist/build/Codec/Compression/Zlib/OutputWindow.o )
[4 of 6] Compiling Codec.Compression.Zlib.Monad ( src/Codec/Compression/Zlib/Monad.hs, dist/build/Codec/Compression/Zlib/Monad.o )
[5 of 6] Compiling Codec.Compression.Zlib.Deflate ( src/Codec/Compression/Zlib/Deflate.hs, dist/build/Codec/Compression/Zlib/Deflate.o )
[6 of 6] Compiling Codec.Compression.Zlib ( src/Codec/Compression/Zlib.hs, dist/build/Codec/Compression/Zlib.o )

src/Codec/Compression/Zlib.hs:34:19: error:
    Ambiguous occurrence ‘<>’
    It could refer to either ‘Data.Monoid.<>’,
                             imported from ‘Data.Monoid’ at src/Codec/Compression/Zlib.hs:18:30-33
                          or ‘Prelude.Compat.<>’,
                             imported from ‘Prelude.Compat’ at src/Codec/Compression/Zlib.hs:21:1-31
                             (and originally defined in ‘Data.Semigroup’)
   |
34 |     run m ls (acc <> lazyByteString c)
   |                   ^^
cabal: Leaving directory '/tmp/cabal-tmp-13709/pure-zlib-0.6.2'
Building tagged-0.8.5...
Installed tagged-0.8.5
cabal: Error: some packages failed to install:
avro-0.2.1.1-2BFrjDSQw0QG5HrgdD2cwf depends on avro-0.2.1.1 which failed to
install.
pure-zlib-0.6.2-Dd9Rqc16XCTGYAzhV1efNv failed during the building phase. The
exception was:
ExitFailure 1