AsyncOnce is used at run time in 14 crates (of which 1 optionally). It's used only as a dev dependency in 4 crates.

Depender (with downloads and own rev deps) AsyncOnce version
500 enigmatick ^0.2
proxy-rs ^0.2.6
nacos-tonic-adapter ^0
1 mat_clockwork_plugin ^0.2.6
narwhal-tooth ^0.2.6
mongoose ^0.2.6
rusdb-core ^0.2.1
steel-plate ^0.2.6
awwsy ^0.2.6
game_pathfinding ^0.2
db_server ^0.2
lambda-debugger ^0.2.6
340 sn_api optional ~0.2.6
2.3K ibkr_client_portal dev ^0.2.6
aws-secretsmanager-cache dev ^0.2.6
jotta-osd dev ^0.2.6
1 ydb dev ^0.2