Ensure only exact name matches are added to the index #1550
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On the client side cargo checks dependency names against the index and
requires an exact match. For instance, a user cannot depend on
diesel-migrations
orDiesel_migrations
as cargo generates an errordirecting them to use the correct name
diesel_migrations
.This check for an exact name match is now repeated on the server when a
crate is published. This ensures that bugs in cargo or third-party
tooling cannot result in a dependency name that cargo is unable to
locate in the index.