Resolving dependencies... Configuring blaze-builder-0.3.3.2... Building blaze-builder-0.3.3.2... Preprocessing library blaze-builder-0.3.3.2... [ 1 of 13] Compiling Blaze.ByteString.Builder.Internal.Types ( Blaze/ByteString/Builder/Internal/Types.hs, dist/build/Blaze/ByteString/Builder/Internal/Types.o ) [ 2 of 13] Compiling Blaze.ByteString.Builder.Internal.Write ( Blaze/ByteString/Builder/Internal/Write.hs, dist/build/Blaze/ByteString/Builder/Internal/Write.o ) [ 3 of 13] Compiling Blaze.ByteString.Builder.Internal.Buffer ( Blaze/ByteString/Builder/Internal/Buffer.hs, dist/build/Blaze/ByteString/Builder/Internal/Buffer.o ) [ 4 of 13] Compiling Blaze.ByteString.Builder.Internal.UncheckedShifts ( Blaze/ByteString/Builder/Internal/UncheckedShifts.hs, dist/build/Blaze/ByteString/Builder/Internal/UncheckedShifts.o ) [ 5 of 13] Compiling Blaze.ByteString.Builder.Internal ( Blaze/ByteString/Builder/Internal.hs, dist/build/Blaze/ByteString/Builder/Internal.o ) [ 6 of 13] Compiling Blaze.ByteString.Builder.Char.Utf8 ( Blaze/ByteString/Builder/Char/Utf8.hs, dist/build/Blaze/ByteString/Builder/Char/Utf8.o ) [ 7 of 13] Compiling Blaze.ByteString.Builder.ByteString ( Blaze/ByteString/Builder/ByteString.hs, dist/build/Blaze/ByteString/Builder/ByteString.o ) [ 8 of 13] Compiling Blaze.ByteString.Builder.Word ( Blaze/ByteString/Builder/Word.hs, dist/build/Blaze/ByteString/Builder/Word.o ) [ 9 of 13] Compiling Blaze.ByteString.Builder.Char8 ( Blaze/ByteString/Builder/Char8.hs, dist/build/Blaze/ByteString/Builder/Char8.o ) [10 of 13] Compiling Blaze.ByteString.Builder.HTTP ( Blaze/ByteString/Builder/HTTP.hs, dist/build/Blaze/ByteString/Builder/HTTP.o ) [11 of 13] Compiling Blaze.ByteString.Builder.Int ( Blaze/ByteString/Builder/Int.hs, dist/build/Blaze/ByteString/Builder/Int.o ) [12 of 13] Compiling Blaze.ByteString.Builder ( Blaze/ByteString/Builder.hs, dist/build/Blaze/ByteString/Builder.o ) [13 of 13] Compiling Blaze.ByteString.Builder.Html.Utf8 ( Blaze/ByteString/Builder/Html/Utf8.hs, dist/build/Blaze/ByteString/Builder/Html/Utf8.o ) In-place registering blaze-builder-0.3.3.2... Running Haddock for blaze-builder-0.3.3.2... Running hscolour for blaze-builder-0.3.3.2... Preprocessing library blaze-builder-0.3.3.2... Preprocessing library blaze-builder-0.3.3.2... Haddock coverage: 27% ( 4 / 15) in 'Blaze.ByteString.Builder.Internal.Types' 92% ( 24 / 26) in 'Blaze.ByteString.Builder.Internal.Write' 100% ( 22 / 22) in 'Blaze.ByteString.Builder.Internal.Buffer' 25% ( 1 / 4) in 'Blaze.ByteString.Builder.Internal.UncheckedShifts' 69% ( 22 / 32) in 'Blaze.ByteString.Builder.Internal' 100% ( 9 / 9) in 'Blaze.ByteString.Builder.Char.Utf8' 100% ( 12 / 12) in 'Blaze.ByteString.Builder.ByteString' 100% ( 43 / 43) in 'Blaze.ByteString.Builder.Word' 100% ( 9 / 9) in 'Blaze.ByteString.Builder.Char8' 100% ( 4 / 4) in 'Blaze.ByteString.Builder.HTTP' 100% ( 43 / 43) in 'Blaze.ByteString.Builder.Int' 92% ( 22 / 24) in 'Blaze.ByteString.Builder' 100% ( 10 / 10) in 'Blaze.ByteString.Builder.Html.Utf8' Documentation created: dist/doc/html/blaze-builder/index.html, dist/doc/html/blaze-builder/blaze-builder.txt Installing library in /srv/hackage/var/build/tmp-install/lib/x86_64-linux-ghc-7.6.3/blaze-builder-0.3.3.2 Registering blaze-builder-0.3.3.2... Installed blaze-builder-0.3.3.2 Configuring cereal-0.4.0.1... Building cereal-0.4.0.1... Preprocessing library cereal-0.4.0.1... [1 of 5] Compiling Data.Serialize.Builder ( src/Data/Serialize/Builder.hs, dist/build/Data/Serialize/Builder.o ) [2 of 5] Compiling Data.Serialize.Put ( src/Data/Serialize/Put.hs, dist/build/Data/Serialize/Put.o ) [3 of 5] Compiling Data.Serialize.Get ( src/Data/Serialize/Get.hs, dist/build/Data/Serialize/Get.o ) [4 of 5] Compiling Data.Serialize.IEEE754 ( src/Data/Serialize/IEEE754.hs, dist/build/Data/Serialize/IEEE754.o ) [5 of 5] Compiling Data.Serialize ( src/Data/Serialize.hs, dist/build/Data/Serialize.o ) In-place registering cereal-0.4.0.1... Running Haddock for cereal-0.4.0.1... Running hscolour for cereal-0.4.0.1... Preprocessing library cereal-0.4.0.1... Preprocessing library cereal-0.4.0.1... Haddock coverage: 96% ( 26 / 27) in 'Data.Serialize.Builder' 69% ( 29 / 42) in 'Data.Serialize.Put' 94% ( 50 / 53) in 'Data.Serialize.Get' 100% ( 11 / 11) in 'Data.Serialize.IEEE754' Cannot find documentation for: $example 100% ( 11 / 11) in 'Data.Serialize' Warning: Data.Serialize.Put: could not find link destinations for: Data.Serialize.Put.PairS Warning: Data.Serialize.Get: could not find link destinations for: Data.Serialize.Get.get Documentation created: dist/doc/html/cereal/index.html, dist/doc/html/cereal/cereal.txt Installing library in /srv/hackage/var/build/tmp-install/lib/x86_64-linux-ghc-7.6.3/cereal-0.4.0.1 Registering cereal-0.4.0.1... Installed cereal-0.4.0.1 Configuring hs-blake2-0.0.2... cabal: Missing dependency on a foreign library: * Missing C library: b2 This problem can usually be solved by installing the system package that provides this library (you may need the "-dev" version). If the library is already installed but in a non-standard location then you can use the flags --extra-include-dirs= and --extra-lib-dirs= to specify where it is. Failed to install hs-blake2-0.0.2 cabal: Error: some packages failed to install: hs-blake2-0.0.2 failed during the configure step. The exception was: ExitFailure 1 stable-tree-0.0.1 depends on hs-blake2-0.0.2 which failed to install.