Resolving dependencies... Configuring mtl-2.2.1... Configuring network-2.6.3.1... Building mtl-2.2.1... Building network-2.6.3.1... Configuring primitive-0.6.1.0... Installed mtl-2.2.1 Building primitive-0.6.1.0... Installed primitive-0.6.1.0 Configuring random-1.1... Building random-1.1... Configuring stm-2.4.4.1... Installed network-2.6.3.1 Building stm-2.4.4.1... Installed random-1.1 Configuring utf8-string-1.0.1.1... Building utf8-string-1.0.1.1... Configuring text-1.2.2.1... Installed stm-2.4.4.1 Building text-1.2.2.1... Configuring vector-0.11.0.0... Installed utf8-string-1.0.1.1 Building vector-0.11.0.0... Installed text-1.2.2.1 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... Installed vector-0.11.0.0 Configuring scientific-0.3.4.9... Building scientific-0.3.4.9... Configuring hashtables-1.2.1.0... Installed network-uri-2.6.1.0 Building hashtables-1.2.1.0... Installed scientific-0.3.4.9 Configuring HTTP-4000.3.3... Building HTTP-4000.3.3... Configuring attoparsec-0.13.1.0... Installed hashtables-1.2.1.0 Building attoparsec-0.13.1.0... Installed HTTP-4000.3.3 Configuring gtk2hs-buildtools-0.13.2.1... Building gtk2hs-buildtools-0.13.2.1... Installed attoparsec-0.13.1.0 Configuring tremulous-query-1.0.7... Building tremulous-query-1.0.7... Failed to install tremulous-query-1.0.7 Build log ( /home/builder/.cabal/logs/tremulous-query-1.0.7.log ): cabal: Entering directory '/tmp/cabal-tmp-28773/tremulous-query-1.0.7' Configuring tremulous-query-1.0.7... Building tremulous-query-1.0.7... Preprocessing library tremulous-query-1.0.7... [ 1 of 10] Compiling Network.Tremulous.StrictMaybe ( Network/Tremulous/StrictMaybe.hs, dist/build/Network/Tremulous/StrictMaybe.o ) Network/Tremulous/StrictMaybe.hs:14:10: error: • No instance for (Applicative Maybe) arising from the superclasses of an instance declaration There are instances for similar types: instance Applicative GHC.Base.Maybe -- Defined in ‘GHC.Base’ • In the instance declaration for ‘Monad Maybe’ cabal: Leaving directory '/tmp/cabal-tmp-28773/tremulous-query-1.0.7' Installed gtk2hs-buildtools-0.13.2.1 Configuring glib-0.13.4.1... Configuring cairo-0.13.3.1... 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 pango-0.13.3.1... Configuring gio-0.13.3.1... Building gio-0.13.3.1... 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 cabal: Error: some packages failed to install: apelsin-1.0 depends on tremulous-query-1.0.7 which failed to install. tremulous-query-1.0.7 failed during the building phase. The exception was: ExitFailure 1