It's used only as a dev dependency in 9 crates.

Depender (with downloads and own rev deps) tide-testing version
300 flatterer-web dev ^0.1.3
100 tide-csrf dev ^0.1
tide-openidconnect dev ^0.1
rpi-mh-z19c-exporter dev ^0.1.3
1 surf-cookie-middleware dev ^0.1.3
tide-content-type-filter dev ^0.1.3
tide-rhai dev ^0.1.3
map-engine-server dev ^0.1
tide-prometheus dev ^0.1.3