this derivation will be built:
  /nix/store/svqynabjsf27jx11qsrndyfgazx4vawb-cargo-nix-plugin-remote-sparse-test.drv
building '/nix/store/svqynabjsf27jx11qsrndyfgazx4vawb-cargo-nix-plugin-remote-sparse-test.drv' on 'ssh-ng://nix@jamie'