yslow-3.1.8 fails silently + hangs forever

[davidfavor]

This 404 links should return quickly with an error.

Instead, the request fails silently + hangs forever.

phantomjs yslow.js --info basic --format plain https://davidfavor.com/flarg.txt

This occurs on all requests, for good URLs or bad.

[davidfavor]

# phantomjs --version
2.5.0-development