Merge pull request #23 from roadster-rs/example #18

Job	Run time
Formatting	7s
All features	3m 42s
Examples (minimal)	4m 8s
Clippy	1m 56s
Default features	3m 46s
No features	2m 34s
Feature combos (sidekiq)	2m 41s
Feature combos (db-sql)	3m 17s
Feature combos (open-api)	2m 29s
Feature combos (sidekiq,db-sql)	3m 36s
Feature combos (sidekiq,open-api)	3m 1s
Feature combos (db-sql,open-api)	3m 23s
	34m 40s

Provide feedback