Installing https://luarocks.org/eff-4.0-1.src.rock... Using https://luarocks.org/eff-4.0-1.src.rock... switching to 'build' mode Updating manifest for /home/sp/PrjLocal/luarockstree/lib/luarocks/rocks eff 4.0-1 is now built and installed in /home/sp/PrjLocal/luarockstree (license: MIT)