core: handle EACCES when cleaning up .vagrant dir

CHANGELOG.md

@@ -8,6 +8,8 @@ BUG FIXES:
     Vagrantfile name. [GH-2130]
   - core: Fix an issue where the data directory would be deleted too
     quickly in a multi-VM environment.
+  - core: Handle the case where we get an EACCES cleaning up the .vagrant
+    directory.
   - provisioners/chef: Work even with restrictive umask on user. [GH-2121]
   - provisioners/chef: Fix environment validation to be less restrictive.
   - provisioners/puppet: No more "shared folders cannot be found" error.

lib/vagrant/machine.rb

@@ -211,7 +211,11 @@ module Vagrant
         # Delete the entire data directory contents since all state
         # associated with the VM is now gone.
         @data_dir.children.each do |child|
-          child.rmtree
+          begin
+            child.rmtree
+          rescue Errno::EACCES
+            @logger.info("EACCESS deleting file: #{child}")
+          end
         end
       end