warning: Insecure world writable dir /usr in PATH, mode 040777

How to solve this warning or how to solve this issue

ROMANCHs-MacBook-Pro:depot romanch$ rake db:migrate

/Users/romanch/.rvm/gems/ruby-2.2.2/gems/bundler-1.10.4/lib/bundler/shared_helpers.rb:78: warning: Insecure world writable dir /usr in PATH, mode 040777

ruby version is 2.2.2 and rails version is 4.2.3

also getting this error on rails command

ROMANCHs-MacBook-Pro:depot romanch$ rails -v

/Users/romanch/.rvm/gems/ruby-2.2.2/gems/bundler-1.10.4/lib/bundler/shared_helpers.rb:78: warning: Insecure world writable dir /usr in PATH, mode 040777 /Users/romanch/.rvm/gems/ruby-2.2.2/gems/bundler-1.10.4/lib/bundler/shared_helpers.rb:78: warning: Insecure world writable dir /usr in PATH, mode 040777

Rails 4.2.3