David Tolnay e84e100f06 Delete extern crate lines ... Summary: `extern crate` is usually no longer needed in 2018 edition of Rust. This diff removes `extern crate` lines from fbcode where possible, replacing #[macro_use] with individual import of macros. Before: ``` #[macro_use] extern crate futures_ext; extern crate serde_json; ``` After: ``` use futures_ext::try_boxfuture; ``` Reviewed By: Imxset21 Differential Revision: D17313537 fbshipit-source-id: 70462a2c161375017b77fa44aba166884ad2fdc3		2019-09-11 22:02:16 -07:00
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src	Delete extern crate lines	2019-09-11 22:02:16 -07:00
Cargo.toml	Update to Rust 1.38.0-beta.3	2019-08-30 02:01:28 -07:00