未找到'bit'的 LuaRocks 模块

我正在尝试使用 torch7 和 LUA 运行代码，但却出现了以下错误。

    usr/local/torch/install/share/lua/5.2/trepl/init.lua:389: 未找到模块'bit': No LuaRocks module found for 'bit'
        no field package.preload['bit']
        no file '/root/.luarocks/share/lua/5.2/bit.lua'
        no file '/root/.luarocks/share/lua/5.2/bit/init.lua'
        no file '/usr/local/torch/install/share/lua/5.2/bit.lua'
        no file '/usr/local/torch/install/share/lua/5.2/bit/init.lua'
        no file '/usr/local/torch/install/lib/lua/5.2/bit.lua'
        no file '/usr/local/torch/install/lib/lua/5.2/bit/init.lua'
        no file './bit.lua'
        no file '/home/shaurovd/.luarocks/share/lua/5.2/bit.lua'
        no file '/home/shaurovd/.luarocks/share/lua/5.2/bit/init.lua'
        no file '/root/.luarocks/lib/lua/5.2/bit.so'
        no file '/usr/local/torch/install/lib/lua/5.2/bit.so'
        no file '/usr/local/torch/install/lib/lua/5.2/loadall.so'
        no file './bit.so'
        no file '/home/shaurovd/.luarocks/lib/lua/5.2/bit.so'
stack traceback:
        [C]: in function 'error'
        /usr/local/torch/install/share/lua/5.2/trepl/init.lua:389: in function 'require'
        train.lua:16: in main chunk
        [C]: in function 'dofile'
        ...ocal/torch/install/lib/luarocks/rocks/trepl/scm-1/bin/th:150: in main chunk
        [C]: in ?
Segmentation fault (core dumped)

我试着在本地安装'bit'，因为我没有服务器（Ubuntu 18.04）上的写权限，使用以下命令：

luarocks install --deps bit --local

但它显示：错误：找不到与查询匹配的结果。

我该怎么解决?