Resolving dependencies... Configuring QuickCheck-2.6... Building QuickCheck-2.6... Preprocessing library QuickCheck-2.6... [ 1 of 13] Compiling Test.QuickCheck.Exception ( Test/QuickCheck/Exception.hs, dist/build/Test/QuickCheck/Exception.o ) [ 2 of 13] Compiling Test.QuickCheck.Text ( Test/QuickCheck/Text.hs, dist/build/Test/QuickCheck/Text.o ) [ 3 of 13] Compiling Test.QuickCheck.State ( Test/QuickCheck/State.hs, dist/build/Test/QuickCheck/State.o ) [ 4 of 13] Compiling Test.QuickCheck.Gen ( Test/QuickCheck/Gen.hs, dist/build/Test/QuickCheck/Gen.o ) [ 5 of 13] Compiling Test.QuickCheck.Arbitrary ( Test/QuickCheck/Arbitrary.hs, dist/build/Test/QuickCheck/Arbitrary.o ) [ 6 of 13] Compiling Test.QuickCheck.Poly ( Test/QuickCheck/Poly.hs, dist/build/Test/QuickCheck/Poly.o ) [ 7 of 13] Compiling Test.QuickCheck.Function ( Test/QuickCheck/Function.hs, dist/build/Test/QuickCheck/Function.o ) [ 8 of 13] Compiling Test.QuickCheck.Modifiers ( Test/QuickCheck/Modifiers.hs, dist/build/Test/QuickCheck/Modifiers.o ) [ 9 of 13] Compiling Test.QuickCheck.Property ( Test/QuickCheck/Property.hs, dist/build/Test/QuickCheck/Property.o ) [10 of 13] Compiling Test.QuickCheck.Test ( Test/QuickCheck/Test.hs, dist/build/Test/QuickCheck/Test.o ) [11 of 13] Compiling Test.QuickCheck.All ( Test/QuickCheck/All.hs, dist/build/Test/QuickCheck/All.o ) [12 of 13] Compiling Test.QuickCheck.Monadic ( Test/QuickCheck/Monadic.hs, dist/build/Test/QuickCheck/Monadic.o ) [13 of 13] Compiling Test.QuickCheck ( Test/QuickCheck.hs, dist/build/Test/QuickCheck.o ) In-place registering QuickCheck-2.6... Running Haddock for QuickCheck-2.6... Running hscolour for QuickCheck-2.6... Preprocessing library QuickCheck-2.6... Preprocessing library QuickCheck-2.6... Warning: The documentation for the following packages are not installed. No links will be generated to these packages: random-1.0.1.1 Haddock coverage: 12% ( 1 / 8) in 'Test.QuickCheck.Exception' 0% ( 0 / 18) in 'Test.QuickCheck.Text' 50% ( 1 / 2) in 'Test.QuickCheck.State' 95% ( 20 / 21) in 'Test.QuickCheck.Gen' 92% ( 23 / 25) in 'Test.QuickCheck.Arbitrary' 14% ( 1 / 7) in 'Test.QuickCheck.Poly' 14% ( 1 / 7) in 'Test.QuickCheck.Function' 92% ( 12 / 13) in 'Test.QuickCheck.Modifiers' 59% ( 34 / 58) in 'Test.QuickCheck.Property' 48% ( 13 / 27) in 'Test.QuickCheck.Test' 100% ( 9 / 9) in 'Test.QuickCheck.All' 7% ( 1 / 15) in 'Test.QuickCheck.Monadic' 93% ( 95 /102) in 'Test.QuickCheck' Warning: Test.QuickCheck.Text: could not find link destinations for: Test.QuickCheck.Text.Output Warning: Test.QuickCheck.State: could not find link destinations for: System.Random.StdGen Warning: Test.QuickCheck.Gen: could not find link destinations for: System.Random.StdGen System.Random.Random Warning: Test.QuickCheck.Arbitrary: could not find link destinations for: System.Random.Random Warning: Test.QuickCheck.Property: could not find link destinations for: Test.QuickCheck.Exception.AnException Warning: Test.QuickCheck.Test: could not find link destinations for: System.Random.StdGen Warning: Test.QuickCheck: could not find link destinations for: System.Random.StdGen System.Random.Random Documentation created: dist/doc/html/QuickCheck/index.html Installing library in /srv/hackage/var/build/tmp-install/lib/x86_64-linux-ghc-7.6.3/QuickCheck-2.6 Registering QuickCheck-2.6... Installed QuickCheck-2.6 Configuring dotgen-0.4.1... Building dotgen-0.4.1... Preprocessing library dotgen-0.4.1... [1 of 1] Compiling Text.Dot ( Text/Dot.hs, dist/build/Text/Dot.o ) In-place registering dotgen-0.4.1... Running Haddock for dotgen-0.4.1... Running hscolour for dotgen-0.4.1... Preprocessing library dotgen-0.4.1... Preprocessing library dotgen-0.4.1... Haddock coverage: 86% ( 19 / 22) in 'Text.Dot' Documentation created: dist/doc/html/dotgen/index.html Installing library in /srv/hackage/var/build/tmp-install/lib/x86_64-linux-ghc-7.6.3/dotgen-0.4.1 Registering dotgen-0.4.1... Installed dotgen-0.4.1 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 Downloading flow2dot-0.4... Configuring flow2dot-0.4... Building flow2dot-0.4... Preprocessing executable 'flow2dot' for flow2dot-0.4... flow2dot.hs:19:8: Ambiguous module name `Prelude': it was found in multiple packages: base haskell98-2.0.0.2 Failed to install flow2dot-0.4 cabal: Error: some packages failed to install: flow2dot-0.4 failed during the building phase. The exception was: ExitFailure 1