Updated capfile

Capfile

@@ -11,6 +11,7 @@ require "capistrano/bundler"
 
 set :rbenv_type, :user
 set :rbenv_ruby, '2.4.0'
+set :ssh_options, {:forward_agent => true}
 # Load the SCM plugin appropriate to your project:
 #
 # require "capistrano/scm/hg"

Jenkinsfile

@@ -9,4 +9,7 @@ pipeline {
       }
     }
   }
+  environment {
+    HOME = '/tmp'
+  }
 }