Resolving dependencies... Configuring newtype-0.2... Building newtype-0.2... Preprocessing library newtype-0.2... [1 of 1] Compiling Control.Newtype ( Control/Newtype.hs, dist/build/Control/Newtype.o ) In-place registering newtype-0.2... Running Haddock for newtype-0.2... Running hscolour for newtype-0.2... Preprocessing library newtype-0.2... Preprocessing library newtype-0.2... Haddock coverage: 100% ( 9 / 9) in 'Control.Newtype' Documentation created: dist/doc/html/newtype/index.html, dist/doc/html/newtype/newtype.txt Creating package registration file: /tmp/pkgConf-newtype-0278722862233665123.2 Installing library in /home/builder/hackage-server/build-cache/tmp-install/lib/x86_64-linux-ghc-7.10.2/newtype-0.2-L5sgrgNl4zTHP4bzoZ9sPq Registering newtype-0.2... Installed newtype-0.2 Warning: constraints.cabal: Unexpected section 'other-extensions' on line 24 Configuring constraints-0.3.4... Building constraints-0.3.4... Preprocessing library constraints-0.3.4... [1 of 3] Compiling Data.Constraint ( Data/Constraint.hs, dist/build/Data/Constraint.o ) Data/Constraint.hs:147:10: Not in scope: ‘thing’ Failed to install constraints-0.3.4 cabal: Error: some packages failed to install: constraints-0.3.4 failed during the building phase. The exception was: ExitFailure 1