Resolving dependencies... Preprocessing library gitlib-cmdline-1.4.0... : cannot satisfy -package-id conduit-1.2.5.1-f1579ffebebdc91b8d0de63b087c65b7 (use -v for more information) Failed to install gitlib-cmdline-1.4.0 cabal: Error: some packages failed to install: gitlib-cmdline-1.4.0 failed during the building phase. The exception was: ExitFailure 1