Resolving dependencies...
Notice: installing into a sandbox located at
/home/builder/hackage-server/.cabal-sandbox
Configuring safe-0.3.15...
Building safe-0.3.15...
Installed safe-0.3.15
Downloading byteunits-0.4.0.1...
Configuring byteunits-0.4.0.1...
Building byteunits-0.4.0.1...
Installed byteunits-0.4.0.1
Updating documentation index
/home/builder/hackage-server/build-cache/tmp-install/share/doc/x86_64-linux-ghc-8.2.2/index.html