Resolving dependencies... Configuring data-default-class-0.1.2.0... Configuring dlist-0.8.0.2... Building data-default-class-0.1.2.0... Building dlist-0.8.0.2... Installed data-default-class-0.1.2.0 Configuring mtl-2.2.1... Building mtl-2.2.1... Configuring old-locale-1.0.0.7... Installed dlist-0.8.0.2 Building old-locale-1.0.0.7... Configuring safe-0.3.10... Installed old-locale-1.0.0.7 Building safe-0.3.10... Configuring stm-2.4.4.1... Installed mtl-2.2.1 Configuring network-2.6.3.1... Installed safe-0.3.10 Building stm-2.4.4.1... Building network-2.6.3.1... Configuring transformers-compat-0.5.1.4... Installed stm-2.4.4.1 Building transformers-compat-0.5.1.4... Configuring text-1.2.2.1... Installed transformers-compat-0.5.1.4 Building text-1.2.2.1... Configuring data-default-instances-containers-0.0.1... Installed network-2.6.3.1 Building data-default-instances-containers-0.0.1... Installed data-default-instances-containers-0.0.1 Configuring data-default-instances-dlist-0.0.1... Building data-default-instances-dlist-0.0.1... Configuring data-default-instances-old-locale-0.0.1... Installed data-default-instances-dlist-0.0.1 Building data-default-instances-old-locale-0.0.1... Configuring exceptions-0.8.3... Installed data-default-instances-old-locale-0.0.1 Building exceptions-0.8.3... Configuring data-default-0.7.1.1... Installed exceptions-0.8.3 Building data-default-0.7.1.1... Installed text-1.2.2.1 Configuring blaze-builder-0.4.0.2... Configuring parsec-3.1.11... Installed data-default-0.7.1.1 Building blaze-builder-0.4.0.2... Building parsec-3.1.11... Installed blaze-builder-0.4.0.2 Configuring blaze-markup-0.7.1.1... Building blaze-markup-0.7.1.1... Installed blaze-markup-0.7.1.1 Configuring blaze-html-0.8.1.3... Installed parsec-3.1.11 Configuring network-uri-2.6.1.0... Building blaze-html-0.8.1.3... Building network-uri-2.6.1.0... Configuring multipart-0.1.2... Installed network-uri-2.6.1.0 Building multipart-0.1.2... Installed multipart-0.1.2 Configuring cgi-3001.3.0.2... Building cgi-3001.3.0.2... Installed cgi-3001.3.0.2 Installed blaze-html-0.8.1.3 Configuring blaze-html-contrib-0.2.1... Building blaze-html-contrib-0.2.1... Failed to install blaze-html-contrib-0.2.1 Build log ( /home/builder/.cabal/logs/blaze-html-contrib-0.2.1.log ): cabal: Entering directory '/tmp/cabal-tmp-30752/blaze-html-contrib-0.2.1' Configuring blaze-html-contrib-0.2.1... Building blaze-html-contrib-0.2.1... Preprocessing library blaze-html-contrib-0.2.1... [1 of 3] Compiling Text.Blaze.Extra ( src/Text/Blaze/Extra.hs, dist/build/Text/Blaze/Extra.o ) src/Text/Blaze/Extra.hs:12:1: error: Failed to load interface for ‘Text.Blaze.Internal’ It is a member of the hidden package ‘blaze-markup-0.7.1.1’. Perhaps you need to add ‘blaze-markup’ to the build-depends in your .cabal file. Use -v to see a list of the files searched for. src/Text/Blaze/Extra.hs:13:1: error: Failed to load interface for ‘Network.URI.Params’ Use -v to see a list of the files searched for. src/Text/Blaze/Extra.hs:14:1: error: Failed to load interface for ‘Network.URI’ It is a member of the hidden package ‘network-uri-2.6.1.0’. Perhaps you need to add ‘network-uri’ to the build-depends in your .cabal file. Use -v to see a list of the files searched for. cabal: Leaving directory '/tmp/cabal-tmp-30752/blaze-html-contrib-0.2.1' cabal: Error: some packages failed to install: blaze-html-contrib-0.2.1 failed during the building phase. The exception was: ExitFailure 1