Rename the probe rust file to probe.rs This would help some people with build problems using [nix](https://nixos.org) or to be more specific `buildRustCrate` (but that's probably not meaningful to you). See https://github.com/kolloch/crate2nix/issues/39 and https://github.com/NixOS/nixpkgs/issues/74071. It is clearly a bug in buildRustCrate but if you could accept this change in the meanwhile...