Mark stdin as unused interface variable
Mark stdin as unused interface variable

richarda/cucumber,danascheider/cucumber-ruby,CW5000/CWFDerpy,phoebeclarke/cucumber-ruby,nfredrik/cucumber-ruby,phoebeclarke/cucumber-ruby,martinma4/cucumber-ruby,tom025/cucumber,twalpole/cucumber,tom025/cucumber,brasmusson/cucumber,shivashankar2020/mands,shadow000902/cucumber-ruby,dg-ratiodata/cucumber-ruby,CW5000/CWFDerpy,sideci-sample/sideci-sample-cucumber,twalpole/cucumber,danascheider/cucumber-ruby,shivashankar2020/mands,enkessler/cucumber-ruby,tom025/cucumber,marxarelli/cucumber,cucumber/cucumber-ruby,cucumber/cucumber-ruby,dg-ratiodata/cucumber-ruby,richarda/cucumber,enkessler/cucumber-ruby,jasonkarns/cucumber-ruby,cucumber/cucumber-ruby,dg-ratiodata/cucumber-ruby,martinma4/cucumber-ruby,jasonkarns/cucumber-ruby,jasonkarns/cucumber-ruby,enkessler/cucumber-ruby,sideci-sample/sideci-sample-cucumber,nfredrik/cucumber-ruby,shivashankar2020/mands,brasmusson/cucumber,shadow000902/cucumber-ruby,marxarelli/cucumber