They are those updated on 2014-07-30. Maybe the haskell-core.db needs to be regenerated.
==> Making package: haskell-fb 1.0.2-6 (Wed Jul 30 19:08:31 CEST 2014)
==> Retrieving sources...
-> Found fb-1.0.2.tar.gz
==> Validating source files with sha256sums...
fb-1.0.2.tar.gz ... Passed
==> Making package: haskell-fb 1.0.2-6 (Wed Jul 30 19:08:31 CEST 2014)
==> Checking runtime dependencies...
==> Installing missing dependencies...
resolving dependencies...
warning: cannot resolve "haskell-void=0.6.1-70", a dependency of "haskell-conduit"
warning: cannot resolve "haskell-void=0.6.1-70", a dependency of "haskell-conduit"
warning: cannot resolve "haskell-conduit=1.1.7-3", a dependency of "haskell-conduit-extra"
warning: cannot resolve "haskell-void=0.6.1-70", a dependency of "haskell-conduit"
warning: cannot resolve "haskell-conduit=1.1.7-3", a dependency of "haskell-http-conduit"
warning: cannot resolve "haskell-void=0.6.1-70", a dependency of "haskell-conduit"
warning: cannot resolve "haskell-conduit=1.1.7-3", a dependency of "haskell-monad-logger"
warning: cannot resolve "haskell-void=0.6.1-70", a dependency of "haskell-conduit"
warning: cannot resolve "haskell-conduit=1.1.7-3", a dependency of "haskell-conduit-extra"
warning: cannot resolve "haskell-conduit-extra=1.1.3-1", a dependency of "haskell-monad-logger"
:: The following packages cannot be upgraded due to unresolvable dependencies:
haskell-conduit haskell-conduit-extra haskell-http-conduit
haskell-monad-logger
:: Do you want to skip the above packages for this upgrade? [y/N]
error: failed to prepare transaction (unexpected error)
==> ERROR: 'pacman' failed to install missing dependencies.
==> ERROR: Build failed, check /home/nicola/haskell-happstack/i686-chroot/build/build