Resolving dependencies... Configuring network-2.6.3.1... Configuring base-compat-0.9.1... Building base-compat-0.9.1... Building network-2.6.3.1... Configuring text-1.2.2.1... Installed base-compat-0.9.1 Building text-1.2.2.1... Installed network-2.6.3.1 Installed text-1.2.2.1 Configuring blaze-builder-0.4.0.2... Configuring hashable-1.2.4.0... Building hashable-1.2.4.0... Building blaze-builder-0.4.0.2... Installed hashable-1.2.4.0 Configuring case-insensitive-1.2.0.7... Installed blaze-builder-0.4.0.2 Building case-insensitive-1.2.0.7... Installed case-insensitive-1.2.0.7 Configuring http-types-0.9.1... Building http-types-0.9.1... Installed http-types-0.9.1 Configuring http-kit-0.5.1... Building http-kit-0.5.1... Installed http-kit-0.5.1 Downloading reserve-0.0.0... Configuring reserve-0.0.0... Building reserve-0.0.0... Failed to install reserve-0.0.0 Build log ( /home/builder/.cabal/logs/reserve-0.0.0.log ): cabal: Entering directory '/tmp/cabal-tmp-17353/reserve-0.0.0' Configuring reserve-0.0.0... Building reserve-0.0.0... Preprocessing executable 'reserve' for reserve-0.0.0... [1 of 1] Compiling Main ( src/Main.hs, dist/build/reserve/reserve-tmp/Main.o ) src/Main.hs:5:1: error: Failed to load interface for ‘Options’ Use -v to see a list of the files searched for. src/Main.hs:6:1: error: Failed to load interface for ‘Reserve’ Use -v to see a list of the files searched for. cabal: Leaving directory '/tmp/cabal-tmp-17353/reserve-0.0.0' cabal: Error: some packages failed to install: reserve-0.0.0 failed during the building phase. The exception was: ExitFailure 1