Resolving dependencies... Configuring dataenc-0.12... Configuring hxt-charproperties-9.2.0.1... Building dataenc-0.12... Building hxt-charproperties-9.2.0.1... Configuring mtl-2.2.1... Installed dataenc-0.12 Building mtl-2.2.1... Configuring network-2.6.3.1... Installed hxt-charproperties-9.2.0.1 Configuring stm-2.4.4.1... Installed mtl-2.2.1 Building stm-2.4.4.1... Building network-2.6.3.1... Configuring syb-0.6... Installed stm-2.4.4.1 Building syb-0.6... Configuring text-1.2.2.1... Installed syb-0.6 Building text-1.2.2.1... Configuring zlib-0.6.1.2... Installed network-2.6.3.1 Building zlib-0.6.1.2... Installed zlib-0.6.1.2 Configuring hxt-unicode-9.0.2.4... Building hxt-unicode-9.0.2.4... Configuring haskell-src-1.0.2.0... Installed hxt-unicode-9.0.2.4 Building haskell-src-1.0.2.0... Configuring HsOpenSSL-0.11.3.2... Installed text-1.2.2.1 Building HsOpenSSL-0.11.3.2... Installed haskell-src-1.0.2.0 Configuring parsec-3.1.11... Building parsec-3.1.11... Installed parsec-3.1.11 Configuring network-uri-2.6.1.0... Building network-uri-2.6.1.0... Configuring hxt-regex-xmlschema-9.2.0.3... Installed HsOpenSSL-0.11.3.2 Building hxt-regex-xmlschema-9.2.0.3... Installed network-uri-2.6.1.0 Installed hxt-regex-xmlschema-9.2.0.3 Configuring hxt-9.3.1.16... Building hxt-9.3.1.16... Installed hxt-9.3.1.16 Configuring Lucu-0.3.3... Building Lucu-0.3.3... Failed to install Lucu-0.3.3 Build log ( /home/builder/.cabal/logs/Lucu-0.3.3.log ): cabal: Entering directory '/tmp/cabal-tmp-27315/Lucu-0.3.3' Configuring Lucu-0.3.3... Building Lucu-0.3.3... Preprocessing library Lucu-0.3.3... [ 1 of 31] Compiling Network.HTTP.Lucu.Utils ( Network/HTTP/Lucu/Utils.hs, dist/build/Network/HTTP/Lucu/Utils.o ) Network/HTTP/Lucu/Utils.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-27315/Lucu-0.3.3' cabal: Error: some packages failed to install: Lucu-0.3.3 failed during the building phase. The exception was: ExitFailure 1