The following packages were automatically installed and are no longer required:
  gyp libc-ares-dev libc-ares2 libjs-node-uuid libjs-underscore libv8-3.14-dev libv8-3.14.5 node-abbrev node-ansi node-ansi-color-table node-archy node-async node-block-stream
  node-combined-stream node-cookie-jar node-delayed-stream node-forever-agent node-form-data node-fstream node-fstream-ignore node-github-url-from-git node-glob node-graceful-fs
  node-gyp node-inherits node-ini node-json-stringify-safe node-lockfile node-lru-cache node-mime node-minimatch node-mkdirp node-mute-stream node-node-uuid node-nopt
  node-normalize-package-data node-npmlog node-once node-osenv node-qs node-read node-read-package-json node-request node-retry node-rimraf node-semver node-sha node-sigmund
  node-slide node-tar node-tunnel-agent node-underscore node-which
Use 'apt-get autoremove' to remove them.
The following NEW packages will be installed:
  hhvm-dbg
0 upgraded, 1 newly installed, 0 to remove and 37 not upgraded.
Need to get 476 MB of archives.
After this operation, 497 MB of additional disk space will be used.