Resolving dependencies... Configuring typalyze-0.1.1... Building typalyze-0.1.1... Failed to install typalyze-0.1.1 Build log ( /home/builder/.cabal/logs/typalyze-0.1.1.log ): cabal: Entering directory '/tmp/cabal-tmp-24754/typalyze-0.1.1' Configuring typalyze-0.1.1... Building typalyze-0.1.1... Preprocessing executable 'typalyze' for typalyze-0.1.1... [1 of 2] Compiling SST ( src/SST.hs, dist/build/typalyze/typalyze-tmp/SST.o ) src/SST.hs:5:1: error: Failed to load interface for ‘TypeRep’ Perhaps you meant TyCoRep (from ghc-8.0.1.20161018) Use -v to see a list of the files searched for. cabal: Leaving directory '/tmp/cabal-tmp-24754/typalyze-0.1.1' cabal: Error: some packages failed to install: typalyze-0.1.1 failed during the building phase. The exception was: ExitFailure 1