Rust

Readd diesel store and implement the relevant changes #225

Job	Run time
check-docs	2m 20s
check (.)	1m 51s
check (examples)	2m 24s
test-concurrency	1m 18s
test-docs	14m 40s
test-integration (redis_store, redis-store, true)	6m 7s
test-integration (mongodb_store, mongodb-store, true)	6m 11s
test-integration (postgres_store, postgres-store, true)	6m 5s
test-integration (mysql_store, mysql-store, true)	6m 4s
test-integration (sqlite_store, sqlite-store, false)	5m 48s
test-integration (moka_store, moka-store, false)	6m 6s
test-integration (caching_store, moka-store,sqlite-store, false)	6m 6s
test-integration (mysql_store, diesel-store,diesel/mysql, true)	6m 6s
test-integration (postgres_store, diesel-store,diesel/postgres, true)	6m 4s
test-integration (diesel_store, diesel-store, false)	6m 6s
upload-coverage	0s
	1h 23m 16s

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