Resolving dependencies... Configuring extensible-exceptions-0.1.1.4... Building extensible-exceptions-0.1.1.4... Preprocessing library extensible-exceptions-0.1.1.4... [1 of 1] Compiling Control.Exception.Extensible ( Control/Exception/Extensible.hs, dist/build/Control/Exception/Extensible.o ) In-place registering extensible-exceptions-0.1.1.4... Running Haddock for extensible-exceptions-0.1.1.4... Running hscolour for extensible-exceptions-0.1.1.4... Preprocessing library extensible-exceptions-0.1.1.4... Preprocessing library extensible-exceptions-0.1.1.4... Warning: The documentation for the following packages are not installed. No links will be generated to these packages: rts-1.0 Haddock coverage: 100% ( 2 / 2) in 'Control.Exception.Extensible' Documentation created: dist/doc/html/extensible-exceptions/index.html Installing library in /srv/hackage/var/build/tmp-install/lib/extensible-exceptions-0.1.1.4/ghc-7.6.3 Registering extensible-exceptions-0.1.1.4... Installed extensible-exceptions-0.1.1.4 Configuring winerror-1.0.1... cabal: Package winerror-1.0.1 can't be built on this system. Failed to install winerror-1.0.1 cabal: Error: some packages failed to install: winerror-1.0.1 failed during the building phase. The exception was: ExitFailure 1 winio-0.1 depends on winerror-1.0.1 which failed to install.