Resolving dependencies...
Configuring failure-0.1.2...
Building failure-0.1.2...
Preprocessing library failure-0.1.2...
[1 of 1] Compiling Control.Failure  ( Control/Failure.hs, dist/build/Control/Failure.o )

Control/Failure.hs:24:1: Warning:
    Module `Prelude' does not export `catch'
In-place registering failure-0.1.2...
Running Haddock for failure-0.1.2...
Running hscolour for failure-0.1.2...
Preprocessing library failure-0.1.2...
Preprocessing library failure-0.1.2...

dist/build/tmp-8328/Control/Failure.hs:24:1: Warning:
    Module `Prelude' does not export `catch'
Haddock coverage:
Warning: Control.Failure: We do not support associated types in instances yet. These instances are affected:
Control.Failure.Try Data.Maybe.Maybe, Control.Failure.Try (Data.Either.Either e), Control.Failure.Try []
  50% (  6 / 12) in 'Control.Failure'
Documentation created: dist/doc/html/failure/index.html
Installing library in
/srv/hackage/var/build/tmp-install/lib/x86_64-linux-ghc-7.6.3/failure-0.1.2
Registering failure-0.1.2...
Installed failure-0.1.2
Configuring utf8-string-0.3.7...
Building utf8-string-0.3.7...
Preprocessing library utf8-string-0.3.7...
[1 of 7] Compiling Codec.Binary.UTF8.String ( Codec/Binary/UTF8/String.hs, dist/build/Codec/Binary/UTF8/String.o )
[2 of 7] Compiling Codec.Binary.UTF8.Generic ( Codec/Binary/UTF8/Generic.hs, dist/build/Codec/Binary/UTF8/Generic.o )
[3 of 7] Compiling Data.String.UTF8 ( Data/String/UTF8.hs, dist/build/Data/String/UTF8.o )
[4 of 7] Compiling System.IO.UTF8   ( System/IO/UTF8.hs, dist/build/System/IO/UTF8.o )
[5 of 7] Compiling System.Environment.UTF8 ( System/Environment/UTF8.hs, dist/build/System/Environment/UTF8.o )
[6 of 7] Compiling Data.ByteString.UTF8 ( Data/ByteString/UTF8.hs, dist/build/Data/ByteString/UTF8.o )
[7 of 7] Compiling Data.ByteString.Lazy.UTF8 ( Data/ByteString/Lazy/UTF8.hs, dist/build/Data/ByteString/Lazy/UTF8.o )
In-place registering utf8-string-0.3.7...
Running Haddock for utf8-string-0.3.7...
Running hscolour for utf8-string-0.3.7...
Preprocessing library utf8-string-0.3.7...
Preprocessing library utf8-string-0.3.7...
Haddock coverage:
 100% (  8 /  8) in 'Codec.Binary.UTF8.String'
  94% ( 16 / 17) in 'Codec.Binary.UTF8.Generic'
  89% ( 24 / 27) in 'Data.String.UTF8'
  82% ( 14 / 17) in 'System.IO.UTF8'
  14% (  1 /  7) in 'System.Environment.UTF8'
 100% ( 17 / 17) in 'Data.ByteString.UTF8'
 100% ( 17 / 17) in 'Data.ByteString.Lazy.UTF8'
Documentation created: dist/doc/html/utf8-string/index.html
Installing library in
/srv/hackage/var/build/tmp-install/lib/x86_64-linux-ghc-7.6.3/utf8-string-0.3.7
Registering utf8-string-0.3.7...
Installed utf8-string-0.3.7
Configuring data-object-0.3.1.9...
Building data-object-0.3.1.9...
Preprocessing library data-object-0.3.1.9...
[1 of 1] Compiling Data.Object      ( Data/Object.hs, dist/build/Data/Object.o )
In-place registering data-object-0.3.1.9...
Running Haddock for data-object-0.3.1.9...
Running hscolour for data-object-0.3.1.9...
Preprocessing library data-object-0.3.1.9...
Preprocessing library data-object-0.3.1.9...
Haddock coverage:
  72% ( 18 / 25) in 'Data.Object'
Documentation created: dist/doc/html/data-object/index.html
Installing library in
/srv/hackage/var/build/tmp-install/lib/x86_64-linux-ghc-7.6.3/data-object-0.3.1.9
Registering data-object-0.3.1.9...
Installed data-object-0.3.1.9
Configuring bytestring-class-0.0.0...
Building bytestring-class-0.0.0...
Preprocessing library bytestring-class-0.0.0...
[1 of 1] Compiling Data.ByteString.Class ( Data/ByteString/Class.hs, dist/build/Data/ByteString/Class.o )

Data/ByteString/Class.hs:39:10:
    Illegal instance declaration for `StrictByteString String'
      (All instance types must be of the form (T a1 ... an)
       where a1 ... an are *distinct type variables*,
       and each type variable appears at most once in the instance head.
       Use -XFlexibleInstances if you want to disable this.)
    In the instance declaration for `StrictByteString String'

Data/ByteString/Class.hs:55:10:
    Illegal instance declaration for `LazyByteString String'
      (All instance types must be of the form (T a1 ... an)
       where a1 ... an are *distinct type variables*,
       and each type variable appears at most once in the instance head.
       Use -XFlexibleInstances if you want to disable this.)
    In the instance declaration for `LazyByteString String'
Failed to install bytestring-class-0.0.0
cabal: Error: some packages failed to install:
bytestring-class-0.0.0 failed during the building phase. The exception was:
ExitFailure 1
yaml-0.0.0 depends on bytestring-class-0.0.0 which failed to install.