Crash in signup sequencer

[recmo]

Error

attempt to subtract with overflow

Metadata

key	value
version	signup-sequencer 0.1.0
459e722 2022-10-19
x86_64-unknown-linux-musl 2022-10-31
Remco Bloemen remco@worldcoin.org:Lucas Ege lucas@worldcoin.org
https://github.com/worldcoin/signup-sequencer
Template for a Rust CLI tool
location	/usr/local/cargo/registry/src/github.com-1ecc6299db9ec823/prometheus-0.13.1/src/process_collector.rs:167:35

SpanTrace

SpanTrace:
   0: cli_batteries::prometheus::prometheus_request
           with http.uri=/metrics http.method=GET
             at /usr/local/cargo/registry/src/github.com-1ecc6299db9ec823/cli-batteries-0.3.3/src/prometheus.rs:86

[recmo]

Log entry https://app.datadoghq.com/logs?query=env%3Aprod%20service%3Asignup-sequencer&cols=host%2Cservice&index=&messageDisplay=inline&saved-view-id=1109921&stream_sort=time%2Cdesc&viz=stream&from_ts=1668103332333&to_ts=1668103416078&live=false

[recmo]

Fixed in upstream: tikv/rust-prometheus#465

It's a concurrency error when /metrics is polled twice at the same time. (Which somehow happens, if you check the logs).