Before reporting an issue please run phantomas in verbose and debug mode:
DEBUG=* phantomas "http://example.com" --verbose
and provide the output via gist link.
phantomas: (254) Page loading failed
Solution: Try providing --ssl-protocol=tlsv1 or --ssl-protocol=any option.
Solution: Try running phantomas using PhantomJS 2.0 via --engine=webkit2 option.