update to Rust 1.65.0

Summary:
Added `fbcode` symlinks for `platform010` & `platform010-aarch64` and addressed the following fixes:
* Account for stabilized [`#![feature(backtrace)]`](rust-lang/rust#99573) and [`#![feature(generic_associated_types)]`](rust-lang/rust#99573)
* Account for removal of [`#![feature(result_into_ok_or_err)]`](rust-lang/rust#100604)
* Account for migration of [`std::io::ReadBuf` to `std::io::BorrowBuf|BorrowCursor`](rust-lang/rust#97015)
* Account for [`Error` trait move into core](rust-lang/rust#99917)
* Account for `#[warn(non_camel_case_types)]`
* Various function signature, lifetime requirement changes and lint fixes

Reviewed By: zertosh

Differential Revision: D40923615

fbshipit-source-id: f7ac2828d74edeae39aae517172207b0ee998a59

Author: diliop

shed/failure_ext/src/lib.rs

@@ -7,7 +7,6 @@
  * of this source tree.
  */
 
-#![cfg_attr(fbcode_build, feature(backtrace))]
 #![cfg_attr(fbcode_build, feature(error_generic_member_access))]
 #![cfg_attr(fbcode_build, feature(provide_any))]
 #![deny(warnings, missing_docs, clippy::all, rustdoc::broken_intra_doc_links)]