use -Drust-2018-idioms outside hack/src (14/N)
commitd3d6a1ad2181452cffcc49c7d7dd54806dafffc6
authorEdwin Smith <smith@fb.com>
Wed, 20 Oct 2021 15:19:27 +0000 (20 08:19 -0700)
committerFacebook GitHub Bot <facebook-github-bot@users.noreply.github.com>
Wed, 20 Oct 2021 15:22:53 +0000 (20 08:22 -0700)
tree5cb90f6016f5e2103e4d7b248926e993e1b67344
parent2942494bfa4c950e56ab1af483347e733263fe6c
use -Drust-2018-idioms outside hack/src (14/N)

Summary:
These include RUST_FLAGS from hack/src/defs.bzl so they need to
be migrated too.

Reviewed By: shayne-fletcher

Differential Revision: D31729489

fbshipit-source-id: e0c03ff41d30ed7b365bc6ec48122e938aef3fa8
hphp/hack/test/decl/serialize/main.rs
hphp/hack/test/rust/facts_parse.rs