It's used at build time in 20 crates (of which 17 optionally, 1 directly).

Number of dependers foundationdb-gen version Downloads/month
13 0.9.1 10K
0 0.9.0 573K
6 0.8.0 180
1 0.7.0 1.0K
Depender (with downloads and own rev deps) foundationdb-gen version
584K 10 foundationdb build ^0.9.1