noah@TEAPOT-BARON-TYBURN:~/code/NixOS-Home-Network$ nixops deploy --dry-run -d c133c52e-698c-11eb-b117-683e2647551d
building all machine configurations...
error: The option `services.rss-bridge.enable' in `/nix/store/jq65lcahz6sc950qfxaw8yprh23ca7fv-nixpkgs-21.03pre268255.e5b478271ea/nixpkgs/nixos/modules/services/web-apps/rss-bridge.nix' is already declared in `/home/noah/code/NixOS-Home-Network/services/rss-bridge.nix'.
(use '--show-trace' to show detailed location information)
Traceback (most recent call last):
  File "/nix/store/2rygna6yxymx3nz25qx3dy8hyxpaa83w-python3.8-nixops-2.0.0/lib/python3.8/site-packages/nixops/deployment.py", line 882, in build_configs
    configs_path = subprocess.check_output(
  File "/nix/store/wkw6fsjasr7jbbrlakxxpbiapa8hws42-python3-3.8.7/lib/python3.8/subprocess.py", line 411, in check_output
    return run(*popenargs, stdout=PIPE, timeout=timeout, check=True,
  File "/nix/store/wkw6fsjasr7jbbrlakxxpbiapa8hws42-python3-3.8.7/lib/python3.8/subprocess.py", line 512, in run
    raise CalledProcessError(retcode, process.args,
subprocess.CalledProcessError: Command '['nix-build', '-I', 'nixops=/nix/store/2rygna6yxymx3nz25qx3dy8hyxpaa83w-python3.8-nixops-2.0.0/lib/python3.8/site-packages/nixops/../nix', '--arg', 'networkExprs', '[ "/home/noah/code/NixOS-Home-Network/lan.nix" "/tmp/nixops-tmpye9lixhi/physical.nix" ]', '--arg', 'args', '{}', '--argstr', 'uuid', 'c133c52e-698c-11eb-b117-683e2647551d', '--argstr', 'deploymentName', 'lan', '--arg', 'pluginNixExprs', '[]', '/nix/store/2rygna6yxymx3nz25qx3dy8hyxpaa83w-python3.8-nixops-2.0.0/lib/python3.8/site-packages/nixops/../nix/eval-machine-info.nix', '--arg', 'names', '[ "router" "teapot" ]', '-A', 'machines', '-o', '/tmp/nixops-tmpye9lixhi/configs', '--dry-run']' returned non-zero exit status 1.

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/nix/store/2rygna6yxymx3nz25qx3dy8hyxpaa83w-python3.8-nixops-2.0.0/bin/.nixops-wrapped", line 9, in <module>
    sys.exit(main())
  File "/nix/store/2rygna6yxymx3nz25qx3dy8hyxpaa83w-python3.8-nixops-2.0.0/lib/python3.8/site-packages/nixops/__main__.py", line 710, in main
    args.op(args)
  File "/nix/store/2rygna6yxymx3nz25qx3dy8hyxpaa83w-python3.8-nixops-2.0.0/lib/python3.8/site-packages/nixops/script_defs.py", line 617, in op_deploy
    depl.deploy(
  File "/nix/store/2rygna6yxymx3nz25qx3dy8hyxpaa83w-python3.8-nixops-2.0.0/lib/python3.8/site-packages/nixops/deployment.py", line 1479, in deploy
    self.run_with_notify("deploy", lambda: self._deploy(**kwargs))
  File "/nix/store/2rygna6yxymx3nz25qx3dy8hyxpaa83w-python3.8-nixops-2.0.0/lib/python3.8/site-packages/nixops/deployment.py", line 1468, in run_with_notify
    f()
  File "/nix/store/2rygna6yxymx3nz25qx3dy8hyxpaa83w-python3.8-nixops-2.0.0/lib/python3.8/site-packages/nixops/deployment.py", line 1479, in <lambda>
    self.run_with_notify("deploy", lambda: self._deploy(**kwargs))
  File "/nix/store/2rygna6yxymx3nz25qx3dy8hyxpaa83w-python3.8-nixops-2.0.0/lib/python3.8/site-packages/nixops/deployment.py", line 1394, in _deploy
    self.configs_path = self.build_configs(
  File "/nix/store/2rygna6yxymx3nz25qx3dy8hyxpaa83w-python3.8-nixops-2.0.0/lib/python3.8/site-packages/nixops/deployment.py", line 900, in build_configs
    raise Exception("unable to build all machine configurations")
Exception: unable to build all machine configurations