- rusoto_s3_index: https://docs.rs/rusoto_s3/0.45.0/rusoto_s3/index.html
- s3_client trait s3 (all functions): https://rusoto.github.io/rusoto/rusoto_s3/trait.S3.html#tymethod.put_object
- logging with rusoto: https://www.rusoto.org/debugging.html
- s3 demo: https://github.com/rusoto/rusoto/blob/master/integration_tests/tests/s3.rs
- s3 select object content: https://docs.aws.amazon.com/AmazonS3/latest/API/API_SelectObjectContent.html, https://rusoto.github.io/rusoto/rusoto_s3/trait.S3.html#tymethod.select_object_content