error: failed to select a version for the requirement `rustc_version = "^0.1"`

[xuqinghan]

install https://github.com/davenza/kde_ocl

got error:

python setup.py install
running install
running bdist_egg
running egg_info
writing kde_ocl.egg-info/PKG-INFO
writing dependency_links to kde_ocl.egg-info/dependency_links.txt
writing requirements to kde_ocl.egg-info/requires.txt
writing top-level names to kde_ocl.egg-info/top_level.txt
reading manifest file 'kde_ocl.egg-info/SOURCES.txt'
reading manifest template 'MANIFEST.in'
writing manifest file 'kde_ocl.egg-info/SOURCES.txt'
installing library code to build/bdist.linux-x86_64/egg
running install_lib
running build_py
Updating crates.io index
error: failed to select a version for the requirement rustc_version = "^0.1"
candidate versions found which didn't match: 0.3.3, 0.3.2, 0.3.1, ...
location searched: crates.io index
required by package ocl-core v0.11.2
... which is depended on by ocl v0.19.3

[WaffleLapkin]

This is related to the yank of 0.1.* crate versions of rustc_version. This can be fixed by updating deps, like in this PR.