Resolving dependencies... Configuring data-extra-2.5.5... Configuring cmdargs-0.10.14... Building cmdargs-0.10.14... Building data-extra-2.5.5... Installed data-extra-2.5.5 Configuring network-2.6.3.1... Building network-2.6.3.1... Installed network-2.6.3.1 Installed cmdargs-0.10.14 Configuring throttle-2.0.0... Building throttle-2.0.0... Failed to install throttle-2.0.0 Build log ( /home/builder/.cabal/logs/throttle-2.0.0.log ): cabal: Entering directory '/tmp/cabal-tmp-19670/throttle-2.0.0' Configuring throttle-2.0.0... Building throttle-2.0.0... Preprocessing executable 'throttle' for throttle-2.0.0... [1 of 1] Compiling Main ( src/Main.hs, dist/build/throttle/throttle-tmp/Main.o ) src/Main.hs:12:1: error: Failed to load interface for ‘Control.Concurrent.Logger’ Perhaps you meant Control.Concurrent.MVar (from base-4.9.0.0) Control.Concurrent.QSem (from base-4.9.0.0) Control.Concurrent.Chan (from base-4.9.0.0) Use -v to see a list of the files searched for. src/Main.hs:16:1: error: Failed to load interface for ‘Data.Tuple.Extra’ Use -v to see a list of the files searched for. cabal: Leaving directory '/tmp/cabal-tmp-19670/throttle-2.0.0' cabal: Error: some packages failed to install: throttle-2.0.0 failed during the building phase. The exception was: ExitFailure 1