代码命令：
~/.vimrc
91 " Run NeoMake on read and write operations
92 autocmd! BufReadPost,BufWritePost * Neomake
93
94 call neomake#configure#automake('w')
95 let g:neomake_open_list = 2
96 let g:neomake_ruby_enabled_makers = ['rubocop']
测试.rb
def
Neomake: rubocop: unexpected output on stderr: /Users/martins/.rvm/rubies/ruby-2.4.0/lib/ruby/site_ruby/2.4.0/rubygems/core_ext/kernel_require.rb:68:in
`require':
incompatible library version -
gems/jaro_winkler-1.5.1/lib/jaro_winkler/jaro_winkler_ext.bundle (LoadError)
^Ifrom /Users/martins/.rvm/rubies/ruby-2.4.0/lib/ruby/site_ruby/2.4.0/rubygems/core_ext/kernel_require.rb:68:in `require'
^Ifrom gems/jaro_winkler-1.5.1/lib/jaro_winkler.rb:6:in `<top (required)>'
^Ifrom core_ext/kernel_require.rb:68:in `require'
（PS 直接在文件上运行 rubocop 可以正常工作。
$ rubocop /tmp/test.rb=> OK）