these 3 derivations will be built:
  /nix/store/qk22dx6jzs1h31zb9pmai8p0gxcp6nap-source.drv
  /nix/store/0hkh5rhgncl6ac3m6xx6cgj1x8q0awxi-mcptoon-0.7.22.drv
  /nix/store/5k7c2870y18kirq6d2f3ghld8bxr0w44-check-mcptoon.drv
error: build of '/nix/store/0hkh5rhgncl6ac3m6xx6cgj1x8q0awxi-mcptoon-0.7.22.drv' on 'ssh-ng://customer@mac02.m.ntd.one' failed: Cannot build '/nix/store/0hkh5rhgncl6ac3m6xx6cgj1x8q0awxi-mcptoon-0.7.22.drv'.
       Reason: builder failed with exit code 1.
       Output paths:
         /nix/store/5n98lxzbpqp42lp7f19fd401y06w9x5w-mcptoon-0.7.22
         /nix/store/i86yhgfvv5wa13qrwv77gvlakzclzr83-mcptoon-0.7.22-dist
       Last 25 log lines:
       >     
       >         if req._tunnel_host:
       >             tunnel_headers = {}
       >             proxy_auth_hdr = "Proxy-Authorization"
       >             if proxy_auth_hdr in headers:
       >                 tunnel_headers[proxy_auth_hdr] = headers[proxy_auth_hdr]
       >                 # Proxy-Authorization should not be sent to origin
       >                 # server.
       >                 del headers[proxy_auth_hdr]
       >             h.set_tunnel(req._tunnel_host, headers=tunnel_headers)
       >     
       >         try:
       >             try:
       >                 h.request(req.get_method(), req.selector, req.data, headers,
       >                           encode_chunked=req.has_header('Transfer-encoding'))
       >             except OSError as err: # timeout error
       > >               raise URLError(err)
       > E               urllib.error.URLError: <urlopen error [SSL: CERTIFICATE_VERIFY_FAILED] certificate verify failed: unable to get local issuer certificate (_ssl.c:1082)>
       >
       > /nix/store/4l8r0s2r5fna7src82b5fc2hixdvfyw0-python3-3.14.7/lib/python3.14/urllib/request.py:1323: URLError
       > =========================== short test summary info ============================
       > FAILED tests/test_serve.py::TestInstallByName::test_search_registry_returns_list - mcptoon.installer.RegistryError: No MCP registry reachable (smithery: URLEr...
       > FAILED tests/test_serve.py::TestInstallByName::test_search_smithery_returns_list - urllib.error.URLError: <urlopen error [SSL: CERTIFICATE_VERIFY_FAILED] cert...
       > FAILED tests/test_serve.py::TestInstallByName::test_search_mcp_registry_returns_list - urllib.error.URLError: <urlopen error [SSL: CERTIFICATE_VERIFY_FAILED] cert...
       > ============= 3 failed, 1323 passed, 1 skipped in 80.72s (0:01:20) =============
       For full logs, run:
         nix log /nix/store/0hkh5rhgncl6ac3m6xx6cgj1x8q0awxi-mcptoon-0.7.22.drv
error: Cannot build '/nix/store/0hkh5rhgncl6ac3m6xx6cgj1x8q0awxi-mcptoon-0.7.22.drv'.
       Reason: builder failed with exit code 1.
       Output paths:
         /nix/store/5n98lxzbpqp42lp7f19fd401y06w9x5w-mcptoon-0.7.22
         /nix/store/i86yhgfvv5wa13qrwv77gvlakzclzr83-mcptoon-0.7.22-dist
error: Cannot build '/nix/store/5k7c2870y18kirq6d2f3ghld8bxr0w44-check-mcptoon.drv'.
       Reason: 1 dependency failed.
       Output paths:
         /nix/store/2nl8y3g594vnwp8gxvxw5rhq94n2c4mk-check-mcptoon