So, I’m building something dumb in Rust, and I need the dumb thing to talk to the Internet. This should be simple1—I just want to send a handful of GETs and PUTs. I guess I need an HTTP library. Lucky for me, Rust has an amazing ecosystem—Cargo and crates.io are easily some of of my favorite language features—but this also means a dizzying set of options. A quick search reveals dozens of HTTP client libraries, and while some are certainly more popular than others, it’s hard to tell what I want. ...