Nix Cache by emile Public key: nix-cache.emile.space:3xzJknXMsR/EL3SBTu6V6oCOkjxe6MgJm0nOrElW33A= NixOS Configuration: nix.settings = { substituters = [ "https://nix-cache.emile.space" ]; trusted-public-keys = [ "nix-cache.emile.space:3xzJknXMsR/EL3SBTu6V6oCOkjxe6MgJm0nOrElW33A=" ]; } Try: nix build --substituters "https://nix-cache.emile.space" --trusted-public-keys "nix-cache.emile.space:3xzJknXMsR/EL3SBTu6V6oCOkjxe6MgJm0nOrElW33A=" "git://git.emile.space/hefe#r2wars-web"