Resolving dependencies... Configuring base64-string-0.2... Configuring SHA-1.6.4.2... Building base64-string-0.2... Building SHA-1.6.4.2... Installed base64-string-0.2 Configuring clock-0.7.2... Building clock-0.7.2... Installed clock-0.7.2 Configuring curl-1.3.8... Building curl-1.3.8... Installed SHA-1.6.4.2 Configuring dataenc-0.12... Building dataenc-0.12... Configuring mtl-2.2.1... Installed curl-1.3.8 Building mtl-2.2.1... Configuring old-locale-1.0.0.7... Installed dataenc-0.12 Building old-locale-1.0.0.7... Configuring primitive-0.6.1.0... Installed old-locale-1.0.0.7 Building primitive-0.6.1.0... Configuring network-2.6.3.1... Installed mtl-2.2.1 Building network-2.6.3.1... Configuring random-1.1... Installed primitive-0.6.1.0 Building random-1.1... Configuring syb-0.6... Installed random-1.1 Building syb-0.6... Configuring utf8-string-1.0.1.1... Installed network-2.6.3.1 Building utf8-string-1.0.1.1... Configuring text-1.2.2.1... Installed syb-0.6 Building text-1.2.2.1... Installed utf8-string-1.0.1.1 Configuring regex-base-0.93.2... Building regex-base-0.93.2... Installed regex-base-0.93.2 Configuring vector-0.11.0.0... Building vector-0.11.0.0... Configuring hoauth-0.2.0... Installed text-1.2.2.1 Building hoauth-0.2.0... Failed to install hoauth-0.2.0 Build log ( /home/builder/.cabal/logs/hoauth-0.2.0.log ): cabal: Entering directory '/tmp/cabal-tmp-11566/hoauth-0.2.0' Configuring hoauth-0.2.0... Building hoauth-0.2.0... Preprocessing library hoauth-0.2.0... [1 of 6] Compiling Network.OAuth.Http.Util ( src/main/haskell/Network/OAuth/Http/Util.hs, dist/build/Network/OAuth/Http/Util.o ) [2 of 6] Compiling Network.OAuth.Http.PercentEncoding ( src/main/haskell/Network/OAuth/Http/PercentEncoding.hs, dist/build/Network/OAuth/Http/PercentEncoding.o ) [3 of 6] Compiling Network.OAuth.Http.Request ( src/main/haskell/Network/OAuth/Http/Request.hs, dist/build/Network/OAuth/Http/Request.o ) src/main/haskell/Network/OAuth/Http/Request.hs:64:1: warning: [-Wunused-imports] The import of ‘Data.Monoid’ is redundant except perhaps to import instances from ‘Data.Monoid’ To import instances alone, use: import Data.Monoid() [4 of 6] Compiling Network.OAuth.Http.Response ( src/main/haskell/Network/OAuth/Http/Response.hs, dist/build/Network/OAuth/Http/Response.o ) [5 of 6] Compiling Network.OAuth.Http.HttpClient ( src/main/haskell/Network/OAuth/Http/HttpClient.hs, dist/build/Network/OAuth/Http/HttpClient.o ) src/main/haskell/Network/OAuth/Http/HttpClient.hs:49:13: error: • No instance for (Applicative CurlM) arising from the 'deriving' clause of a data type declaration Possible fix: use a standalone 'deriving instance' declaration, so you can specify the instance context yourself • When deriving the instance for (Monad CurlM) cabal: Leaving directory '/tmp/cabal-tmp-11566/hoauth-0.2.0' Configuring hashable-1.2.4.0... Building hashable-1.2.4.0... Configuring parsec-3.1.11... Installed hashable-1.2.4.0 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 json-0.9.1... Installed vector-0.11.0.0 Building json-0.9.1... Configuring regex-tdfa-1.2.2... Installed network-uri-2.6.1.0 Building regex-tdfa-1.2.2... Installed json-0.9.1 Configuring hashtables-1.2.1.0... Building hashtables-1.2.1.0... Configuring HTTP-4000.3.4... Installed hashtables-1.2.1.0 Building HTTP-4000.3.4... Installed regex-tdfa-1.2.2 Configuring gtk2hs-buildtools-0.13.2.1... Building gtk2hs-buildtools-0.13.2.1... Installed HTTP-4000.3.4 Installed gtk2hs-buildtools-0.13.2.1 Configuring cairo-0.13.3.1... Configuring glib-0.13.4.1... Building cairo-0.13.3.1... Building glib-0.13.4.1... Installed cairo-0.13.3.1 Installed glib-0.13.4.1 Configuring gconf-0.13.1.0... Configuring gio-0.13.3.1... Building gconf-0.13.1.0... Building gio-0.13.3.1... Configuring pango-0.13.3.1... Installed gconf-0.13.1.0 Building pango-0.13.3.1... Installed pango-0.13.3.1 Installed gio-0.13.3.1 Configuring gtk-0.14.6... Building gtk-0.14.6... Installed gtk-0.14.6 Configuring glade-0.13.1... Building glade-0.13.1... Installed glade-0.13.1 cabal: Error: some packages failed to install: hawitter-0.4 depends on hoauth-0.2.0 which failed to install. hoauth-0.2.0 failed during the building phase. The exception was: ExitFailure 1