Cryptography: error: Can not find Rust compiler wtf?

[gnauq3mg6m64rs2n]

Complete output from command python setup.py egg_info:
Traceback (most recent call last):
  File "<string>", line 1, in <module>
  File "/tmp/pip-build-acaqhqbi/cryptography/setup.py", line 13, in <module>
    from setuptools_rust import RustExtension
ModuleNotFoundError: No module named 'setuptools_rust'

[alex]

See #5753.

And maybe don't ask "wtf" in your issue titles.