don't know how to build these paths:
  /nix/store/ka70823ig95lma3d4dq276lrzkwwd3vw-nixos-system-testmachine-26.05.20260921.1e8bc65.drv
warning: ignoring the client-specified setting 'store', because it is a restricted setting and you are not a trusted user
error: gRPC QueryValidPaths on 'nix-store.geninf.io:50051' failed: error: unable to download 'https://cache.geninf.io/649hqkcz6gpj03g1fv5yq7kq3wgkf1ha.narinfo': HTTP error 503

              response body:

              <?xml version="1.0" encoding="UTF-8" standalone="yes"?>
              <Error>
                  <Code>SlowDown</Code>
                  <Message>Your account has made too many requests; try again later.</Message>
              </Error>