Preparing metadata
(
pyproject
.
toml
)
.
.
.
error
  error
:
subprocess
-
exited
-
with
-
error
 
  × Preparing metadata
(
pyproject
.
toml
)
did
not
run successfully
.
│ exit code
:
1
╰─
>
[
6
lines of output
]
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
.
.
.
.
[
end of output
]
note
:
This error originates
from
a subprocess
,
and
is
likely
not
a problem
with
pip
.
error
:
metadata
-
generation
-
failed

× Encountered error
while
generating package metadata
.
╰─
>
See above
for
output
.
note
:
This
is
an issue
with
the package mentioned above
,
not
pip
.
hint
:
See above
for
details
.