I setting py3.6 venv and installed jupyter notebook. I met first error

(taco) C:\Windows\System32>pip install jupyter

Preparing metadata (pyproject.toml) … error
ERROR: Command errored out with exit status 1:
command: ‘C:\Users\Tim33\anaconda\envs\taco\python.exe’ ‘C:\Users\Tim33\anaconda\envs\taco\lib\site-packages\pip_vendor\pep517\in_process_in_process.py’ prepare_metadata_for_build_wheel ‘C:\Users\Tim33\AppData\Local\Temp\tmpvigccq7d’
cwd: C:\Users\Tim33\AppData\Local\Temp\pip-install-xooxdmvl\pywinpty_8e8b87e02afd441383204499ae3cbf23
Complete output (6 lines):

Cargo, the Rust package manager, is not installed or is not on PATH.
This package requires Rust and Cargo to compile extensions. Install it through
the system’s package manager or via https://rustup.rs/

Checking for Rust toolchain…
and after jupyter notebook:
i met second error:

raceback (most recent call last):
File “C:\Users\Tim33\anaconda\envs\taco\lib\runpy.py”, line 193, in run_module_as_main
“ main ”, mod_spec)
File “C:\Users\Tim33\anaconda\envs\taco\lib\runpy.py”, line 85, in run_code
exec(code, run_globals)
File "C:\Users\Tim33\anaconda\envs\taco\Scripts\jupyter-notebook.EXE_ main .py", line 4, in
File “C:\Users\Tim33\anaconda\envs\taco\lib\site-packages\notebook\notebookapp.py”, line 76, in
from .base.handlers import Template404, RedirectWithParams
File “C:\Users\Tim33\anaconda\envs\taco\lib\site-packages\notebook\base\handlers.py”, line 24, in
import prometheus_client
File "C:\Users\Tim33\anaconda\envs\taco\lib\site-packages\prometheus_client_ init .py", line 3, in
from . import (
File “C:\Users\Tim33\anaconda\envs\taco\lib\site-packages\prometheus_client\gc_collector.py”, line 44, in
GC_COLLECTOR = GCCollector()
File “C:\Users\Tim33\anaconda\envs\taco\lib\site-packages\prometheus_client\gc_collector.py”, line 15, in init
registry.register(self)
File “C:\Users\Tim33\anaconda\envs\taco\lib\site-packages\prometheus_client\registry.py”, line 40, in register
names = self._get_names(collector)
File “C:\Users\Tim33\anaconda\envs\taco\lib\site-packages\prometheus_client\registry.py”, line 80, in _get_names
for metric in desc_func():
File “C:\Users\Tim33\anaconda\envs\taco\lib\site-packages\prometheus_client\gc_collector.py”, line 37, in collect
collected.add_metric([generation], value=stat[‘collected’])
File “C:\Users\Tim33\anaconda\envs\taco\lib\site-packages\prometheus_client\metrics_core.py”, line 145, in add_metric
self.samples.append(Sample(self.name + ‘_total’, dict(zip(self._labelnames, labels)), value, timestamp))
TypeError: new () missing 1 required positional argument: ‘exemplar’

please helpe me… i am littel dizzy and mess. do you have any idea?