Commanline download compressed tip

We would like to use mercurial for web development, but we can't (and don't want to) install mercurial on a shared host. We try to use wget as mentioned here, but I get error. Credentials and link are correct (modified for security).

Is there easy way just to download snapshot of the latest revision?

$ wget --verbose --user=XXXXX --password=YYYYY https://bitbucket.org/ekku/REPO/get/tip.zip

-2011-10-31 18:27:10-
https://bitbucket.org/ekku/REPO/get/tip.zip\\
Resolving bitbucket.org... 207.223.240.182, 207.223.240.181
Connecting to bitbucket.org|207.223.240.182|:443... connected.

HTTP request sent, awaiting response... 401 UNAUTHORIZED
Failed writing HTTP request: Bad file descriptor.
Retrying.