A crates.io DB dump with everything deserialized into memory. Use
Loader to load only parts of a dump, which is more efficient.
Error type returned by
Loader::load in the event
that loading crates.io’s DB dump from the specified file fails.
Lazy index of those tables that have a unique ID column as primary key.
Perform a streaming load of only relevant database tables.
Deserialize everything in a crates.io DB dump into memory.
Result type returned by