Unable to run without sudo on Mac OS

[lynndylanhurley]

Here is the result when running without sudo:

❯ systemfd --no-pid -s http::8080 -- cargo watch -x run
~> socket http://127.0.0.1:8080/
[Running 'cargo run']
    Finished dev [unoptimized + debuginfo] target(s) in 0.11s
     Running `target/debug/graphite`
thread 'main' panicked at 'called `Result::unwrap()` on an `Err` value: Custom { kind: InvalidInput, error: "fd 3 is not a socket" }', src/main.rs:29:61
note: run with `RUST_BACKTRACE=1` environment variable to display a backtrace
Panic in Arbiter thread.
[Finished running. Exit status: 101]

[mitsuhiko]

I cannot reproduce this.