Resolving dependencies... cabal: '/opt/ghc/7.10.2/bin/ghc' exited with an error: : cannot satisfy -package-id amazonka-core-1.3.6-62a28f8dfe1bb0e3049b6b19ccb1d6a8 (use -v for more information) Failed to install amazonka-cloudwatch-1.3.6 cabal: Error: some packages failed to install: amazonka-cloudwatch-1.3.6 failed during the final install step. The exception was: ExitFailure 1