It's the libz blitz working list. It's a curated list of 'important' crates. There are some other similarly useful lists at the bottom of the op in the libz blitz threads.
There are some instructions here: GitHub - rust-lang/crater: Run experiments across parts of the Rust ecosystem!
That's more-or-less enough to get started locally, but not enough to publish to our s3 bucket (publish-report vs gen-report). For 'real' cargobomb runs you might want access to our EC2 servers, which I can provide. To start you might want to just see if you can get cargobomb running locally.