Requirement 'git+git://github.com/niklasb/webkit-server.git' looks like a filename, but the file does not exist
Unpacking ./git+git:/github.com/niklasb/webkit-server.git
Exception:
Traceback (most recent call last):
File "/usr/lib/python2.6/dist-packages/pip.py", line 252, in main
self.run(options, args)
File "/usr/lib/python2.6/dist-packages/pip.py", line 408, in run
requirement_set.install_files(finder, force_root_egg_info=self.bundle)
File "/usr/lib/python2.6/dist-packages/pip.py", line 1757, in install_files
self.unpack_url(url, location)
File "/usr/lib/python2.6/dist-packages/pip.py", line 1817, in unpack_url
self.unpack_file(source, location, content_type, link)
File "/usr/lib/python2.6/dist-packages/pip.py", line 1917, in unpack_file
or tarfile.is_tarfile(filename)
File "/usr/lib/python2.6/tarfile.py", line 2529, in is_tarfile
t = open(name)
File "/usr/lib/python2.6/tarfile.py", line 1653, in open
return func(name, "r", fileobj, **kwargs)
File "/usr/lib/python2.6/tarfile.py", line 1715, in gzopen
fileobj = bltn_open(name, mode + "b")
IOError: [Errno 2] No such file or directory: '/root/dryscrape/git+git:/github.com/niklasb/webkit-server.git'
The same page also says that it requires Python 2.7, you seem to be using 2.6. The specific problem here seems to be that your version of pip is too old.
Following instructions from the docs at: http://readthedocs.org/docs/dryscrape/en/latest/installation.html
On Ubuntu server 10.04 I receive an error: