Resolving dependencies... Configuring call-stack-0.1.0... Configuring mtl-2.2.1... Building call-stack-0.1.0... Building mtl-2.2.1... Configuring hxt-charproperties-9.2.0.1... Installed call-stack-0.1.0 Building hxt-charproperties-9.2.0.1... Configuring text-1.2.2.1... Installed mtl-2.2.1 Building text-1.2.2.1... Configuring HUnit-1.5.0.0... Installed hxt-charproperties-9.2.0.1 Building HUnit-1.5.0.0... Configuring hxt-unicode-9.0.2.4... Installed HUnit-1.5.0.0 Building hxt-unicode-9.0.2.4... Installed hxt-unicode-9.0.2.4 Installed text-1.2.2.1 Configuring parsec-3.1.11... Building parsec-3.1.11... Installed parsec-3.1.11 Configuring hxt-regex-xmlschema-9.2.0.3... Configuring network-2.5.0.0... Building hxt-regex-xmlschema-9.2.0.3... Building network-2.5.0.0... Installed hxt-regex-xmlschema-9.2.0.3 Installed network-2.5.0.0 Configuring hxt-9.3.1.11... Building hxt-9.3.1.11... Failed to install hxt-9.3.1.11 Build log ( /home/builder/.cabal/logs/hxt-9.3.1.11.log ): cabal: Entering directory '/tmp/cabal-tmp-20961/hxt-9.3.1.11' Configuring hxt-9.3.1.11... Building hxt-9.3.1.11... Preprocessing library hxt-9.3.1.11... [ 1 of 82] Compiling Text.XML.HXT.XMLSchema.DataTypeLibW3CNames ( src/Text/XML/HXT/XMLSchema/DataTypeLibW3CNames.hs, dist/build/Text/XML/HXT/XMLSchema/DataTypeLibW3CNames.o ) [ 2 of 82] Compiling Text.XML.HXT.Version ( src/Text/XML/HXT/Version.hs, dist/build/Text/XML/HXT/Version.o ) [ 3 of 82] Compiling Text.XML.HXT.Parser.XmlEntities ( src/Text/XML/HXT/Parser/XmlEntities.hs, dist/build/Text/XML/HXT/Parser/XmlEntities.o ) [ 4 of 82] Compiling Text.XML.HXT.Parser.XmlCharParser ( src/Text/XML/HXT/Parser/XmlCharParser.hs, dist/build/Text/XML/HXT/Parser/XmlCharParser.o ) src/Text/XML/HXT/Parser/XmlCharParser.hs:50:17: warning: [-Wtabs] Tab character found here, and in 8 further locations. Please use spaces instead. [ 5 of 82] Compiling Text.XML.HXT.Parser.XhtmlEntities ( src/Text/XML/HXT/Parser/XhtmlEntities.hs, dist/build/Text/XML/HXT/Parser/XhtmlEntities.o ) [ 6 of 82] Compiling Text.XML.HXT.DTDValidation.RE ( src/Text/XML/HXT/DTDValidation/RE.hs, dist/build/Text/XML/HXT/DTDValidation/RE.o ) [ 7 of 82] Compiling Text.XML.HXT.DOM.XmlKeywords ( src/Text/XML/HXT/DOM/XmlKeywords.hs, dist/build/Text/XML/HXT/DOM/XmlKeywords.o ) [ 8 of 82] Compiling Text.XML.HXT.IO.GetFILE ( src/Text/XML/HXT/IO/GetFILE.hs, dist/build/Text/XML/HXT/IO/GetFILE.o ) [ 9 of 82] Compiling Text.XML.HXT.DOM.Util ( src/Text/XML/HXT/DOM/Util.hs, dist/build/Text/XML/HXT/DOM/Util.o ) [10 of 82] Compiling Text.XML.HXT.Parser.ProtocolHandlerUtil ( src/Text/XML/HXT/Parser/ProtocolHandlerUtil.hs, dist/build/Text/XML/HXT/Parser/ProtocolHandlerUtil.o ) [11 of 82] Compiling Text.XML.HXT.DOM.MimeTypeDefaults ( src/Text/XML/HXT/DOM/MimeTypeDefaults.hs, dist/build/Text/XML/HXT/DOM/MimeTypeDefaults.o ) [12 of 82] Compiling Text.XML.HXT.DOM.MimeTypes ( src/Text/XML/HXT/DOM/MimeTypes.hs, dist/build/Text/XML/HXT/DOM/MimeTypes.o ) [13 of 82] Compiling Data.Tree.NavigatableTree.Class ( src/Data/Tree/NavigatableTree/Class.hs, dist/build/Data/Tree/NavigatableTree/Class.o ) [14 of 82] Compiling Data.Tree.NavigatableTree.XPathAxis ( src/Data/Tree/NavigatableTree/XPathAxis.hs, dist/build/Data/Tree/NavigatableTree/XPathAxis.o ) [15 of 82] Compiling Data.Tree.Class ( src/Data/Tree/Class.hs, dist/build/Data/Tree/Class.o ) [16 of 82] Compiling Data.Function.Selector ( src/Data/Function/Selector.hs, dist/build/Data/Function/Selector.o ) [17 of 82] Compiling Data.Atom ( src/Data/Atom.hs, dist/build/Data/Atom.o ) src/Data/Atom.hs:140:10: error: • No instance for (GHC.Generics.Generic Atom) arising from a use of ‘Control.DeepSeq.$dmrnf’ • In the expression: Control.DeepSeq.$dmrnf @Atom In an equation for ‘rnf’: rnf = Control.DeepSeq.$dmrnf @Atom In the instance declaration for ‘NFData Atom’ cabal: Leaving directory '/tmp/cabal-tmp-20961/hxt-9.3.1.11' cabal: Error: some packages failed to install: hxt-9.3.1.11 failed during the building phase. The exception was: ExitFailure 1