Resolving dependencies...
Downloading optional-0.0.1...
[1 of 1] Compiling Main             ( /tmp/optional-0.0.1-30339/optional-0.0.1/Setup.lhs, /tmp/optional-0.0.1-30339/optional-0.0.1/dist/setup/Main.o )
Linking /tmp/optional-0.0.1-30339/optional-0.0.1/dist/setup/setup ...
Configuring optional-0.0.1...
Building optional-0.0.1...
Preprocessing library optional-0.0.1...
[1 of 1] Compiling System.Args.Optional ( src/System/Args/Optional.hs, dist/build/System/Args/Optional.o )
In-place registering optional-0.0.1...
Running Haddock for optional-0.0.1...
Running hscolour for optional-0.0.1...
Preprocessing library optional-0.0.1...
Preprocessing library optional-0.0.1...
Warning: The documentation for the following packages are not installed. No
links will be generated to these packages: rts-1.0
Haddock coverage:
 100% (  3 /  3) in 'System.Args.Optional'
Documentation created: dist/doc/html/optional/index.html
Installing library in
/srv/hackage/var/build/tmp-install/lib/x86_64-linux-ghc-7.6.3/optional-0.0.1
Registering optional-0.0.1...
Installed optional-0.0.1