iowrap is used at run time in 30 crates (of which 1 optionally). It is a direct run-time dependency in 5 crates. It's used only as a dev dependency in 1 crate.

Depender (with downloads and own rev deps) iowrap version
4.2K 6 filecoin-proofs ^0.2.1
340 2 gpgrv ^0.2
stripng ^0.2
muchutils ^0.2
unnest-ndjson ^0.2