Error using pypy

[Jamiejoin]

Hello, I use this component and try to run it under Pypy, but the installation package gives an error

root@ubuntu-PowerEdge-R740:~/py3.7/bin# ./pypy3.7 -m pip install bitcoinrpc
Looking in indexes: https://pypi.tuna.tsinghua.edu.cn/simple
Collecting bitcoinrpc
  Downloading https://pypi.tuna.tsinghua.edu.cn/packages/ba/02/c71fefe1073adcca555f88d1ba11565637f9f40c3b7b9ec24d4387aa3d03/bitcoinrpc-0.3.1-py3-none-any.whl (6.7 kB)
Collecting orjson>=3
  Downloading https://pypi.tuna.tsinghua.edu.cn/packages/af/14/e65dcc1d8b557343c9a76b957efe2c634ebfdf072f721865f3510d89686b/orjson-3.5.1.tar.gz (659 kB)
     |████████████████████████████████| 659 kB 65 kB/s 
  Installing build dependencies ... done
  Getting requirements to build wheel ... done
    Preparing wheel metadata ... error
    ERROR: Command errored out with exit status 1:
     command: /root/py3.7/bin/pypy3.7 /root/py3.7/site-packages/pip/_vendor/pep517/_in_process.py prepare_metadata_for_build_wheel /tmp/tmpf6jjoe6t
         cwd: /tmp/pip-install-_cfb6pak/orjson_b387ac41d56245579bf6c006d66a4e29
    Complete output (11 lines):
    aturin failed
      Caused by: Cargo metadata failed. Do you have cargo in your PATH?
      Caused by: failed to run `cargo metadata`: error: failed to run `rustc` to learn about target-specific information

    Caused by:
      process didn't exit successfully: `rustc - --crate-name ___ --print=file-names -Z mutable-noalias --crate-type bin --crate-type rlib --crate-type dylib --crate-type cdylib --crate-type staticlib --crate-type proc-macro --print=sysroot --print=cfg` (exit code: 1)
      --- stderr
      error: the option `Z` is only accepted on the nightly compiler
    Checking for Rust toolchain....
    Running `maturin pep517 write-dist-info --metadata-directory /tmp/pip-modern-metadata-9i6ul0_f --interpreter /root/py3.7/bin/pypy3.7 --manylinux=off --strip=on`
    Error: Command '['maturin', 'pep517', 'write-dist-info', '--metadata-directory', '/tmp/pip-modern-metadata-9i6ul0_f', '--interpreter', '/root/py3.7/bin/pypy3.7', '--manylinux=off', '--strip=on']' returned non-zero exit status 1.
    ----------------------------------------
WARNING: Discarding https://pypi.tuna.tsinghua.edu.cn/packages/af/14/e65dcc1d8b557343c9a76b957efe2c634ebfdf072f721865f3510d89686b/orjson-3.5.1.tar.gz#sha256=7d3c4179d7af8a39fa1e3b4125155e866e09b24e477c7663ef951dcb6d8ee97d (from https://pypi.tuna.tsinghua.edu.cn/simple/orjson/) (requires-python:>=3.6). Command errored out with exit status 1: /root/py3.7/bin/pypy3.7 /root/py3.7/site-packages/pip/_vendor/pep517/_in_process.py prepare_metadata_for_build_wheel /tmp/tmpf6jjoe6t Check the logs for full command output.
  Downloading https://pypi.tuna.tsinghua.edu.cn/packages/eb/ea/1d256e890db7927fe8454bced23c309184f2ce425d16b30af4182c58a05e/orjson-3.5.0.tar.gz (659 kB)
     |████████████████████████████████| 659 kB 1.4 MB/s 
  Installing build dependencies ... done

[0xChupaCabra]

pip install python-bitcoinrpc