Resolving dependencies... Configuring old-locale-1.0.0.7... Building old-locale-1.0.0.7... Preprocessing library old-locale-1.0.0.7... [1 of 1] Compiling System.Locale ( System/Locale.hs, dist/build/System/Locale.o ) In-place registering old-locale-1.0.0.7... Running Haddock for old-locale-1.0.0.7... cabal: Haddock's internal GHC version must match the configured GHC version. The GHC version is 7.10.2 but haddock is using GHC version 7.8.3 Creating package registration file: /tmp/pkgConf-old-locale-1.0.0336465782861021530.7 Installing library in /home/builder/hackage-server/build-cache/tmp-install/lib/x86_64-linux-ghc-7.10.2/old-locale-1.0.0.7-D6X1KPq5Sui5XjrHMwvFwK Registering old-locale-1.0.0.7... Installed old-locale-1.0.0.7 Configuring old-time-1.1.0.3... configure: WARNING: unrecognized options: --with-compiler, --with-gcc checking for gcc... gcc checking whether the C compiler works... yes checking for C compiler default output file name... a.out checking for suffix of executables... checking whether we are cross compiling... no checking for suffix of object files... o checking whether we are using the GNU C compiler... yes checking whether gcc accepts -g... yes checking for gcc option to accept ISO C89... none needed checking how to run the C preprocessor... gcc -E checking for grep that handles long lines and -e... /bin/grep checking for egrep... /bin/grep -E checking for ANSI C header files... yes checking for sys/types.h... yes checking for sys/stat.h... yes checking for stdlib.h... yes checking for string.h... yes checking for memory.h... yes checking for strings.h... yes checking for inttypes.h... yes checking for stdint.h... yes checking for unistd.h... yes checking sys/time.h usability... yes checking sys/time.h presence... yes checking for sys/time.h... yes checking sys/timeb.h usability... yes checking sys/timeb.h presence... yes checking for sys/timeb.h... yes checking time.h usability... yes checking time.h presence... yes checking for time.h... yes checking for ftime... yes checking for gmtime_r... yes checking for localtime_r... yes checking for gettimeofday... yes checking whether struct tm is in sys/time.h or time.h... time.h checking for struct tm.tm_zone... yes checking whether time.h and sys/time.h may both be included... yes checking for sys/time.h... (cached) yes checking whether altzone is declared... no configure: creating ./config.status config.status: creating include/HsTimeConfig.h configure: WARNING: unrecognized options: --with-compiler, --with-gcc Building old-time-1.1.0.3... Preprocessing library old-time-1.1.0.3... [1 of 1] Compiling System.Time ( dist/build/System/Time.hs, dist/build/System/Time.o ) In-place registering old-time-1.1.0.3... Running Haddock for old-time-1.1.0.3... cabal: Haddock's internal GHC version must match the configured GHC version. The GHC version is 7.10.2 but haddock is using GHC version 7.8.3 Creating package registration file: /tmp/pkgConf-old-time-1.1.013780686242999170.3 Installing library in /home/builder/hackage-server/build-cache/tmp-install/lib/x86_64-linux-ghc-7.10.2/old-time-1.1.0.3-FBWJJDS5FKr7UKFScBcUW2 Registering old-time-1.1.0.3... Installed old-time-1.1.0.3 Configuring roguestar-0.6.0.1... Building roguestar-0.6.0.1... Preprocessing executable 'roguestar' for roguestar-0.6.0.1... [1 of 2] Compiling Paths_roguestar ( dist/build/autogen/Paths_roguestar.hs, dist/build/roguestar/roguestar-tmp/Paths_roguestar.o ) [2 of 2] Compiling Main ( src/Main.hs, dist/build/roguestar/roguestar-tmp/Main.o ) src/Main.hs:159:1: Non type-variable argument in the constraint: IsString [a] (Use FlexibleContexts to permit this) When checking that ‘makeExe’ has the inferred type makeExe :: forall a. IsString [a] => [a] -> [a] Failed to install roguestar-0.6.0.1 cabal: Error: some packages failed to install: roguestar-0.6.0.1 failed during the building phase. The exception was: ExitFailure 1