Connection timed out when install loadcaffe

[Bissiatti]

If I install with luarocks install loadcaffe

Installing https://raw.githubusercontent.com/torch/rocks/master/loadcaffe-1.0-0.rockspec...
Using https://raw.githubusercontent.com/torch/rocks/master/loadcaffe-1.0-0.rockspec... switching to 'build' mode
Cloning into 'loadcaffe'...
sudo luarocks install loadcaffe https://raw.githubusercontent.com/torch/rocks/master/loadcaffe-1.0-0.rockspe^Xfatal: unable to connect to github.com:
github.com[0: 20.201.28.151]: errno=Connection timed out

The page: https://raw.githubusercontent.com/torch/rocks/master/loadcaffe-1.0-0.rockspe is empty: '404 error'