Installing https://luarocks.org/eff-2.0-11.src.rock...
Using https://luarocks.org/eff-2.0-11.src.rock... switching to 'build' mode
Updating manifest for C:\ste\x64\luarockstree/lib/luarocks/rocks
eff 2.0-11 is now built and installed in C:\ste\x64\luarockstree (license: MIT)