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

eden/mononoke/land_service/src/main.rs

@@ -5,8 +5,6 @@
  * GNU General Public License version 2.
  */
 
-#![feature(backtrace)]
-
 use std::fs::File;
 use std::io::Write;
 use std::sync::atomic::AtomicBool;

eden/mononoke/megarepo_api/megarepo_config/src/lib.rs

@@ -5,7 +5,6 @@
  * GNU General Public License version 2.
  */
 
-#![feature(backtrace)]
 #![cfg_attr(not(fbcode_build), allow(unused_crate_dependencies))]
 
 use std::path::Path;

eden/mononoke/megarepo_api/megarepo_error/src/lib.rs

@@ -5,7 +5,6 @@
  * GNU General Public License version 2.
  */
 
-#![feature(backtrace)]
 #![feature(error_generic_member_access)]
 #![feature(provide_any)]
 

eden/mononoke/mononoke_api/src/errors.rs

@@ -6,7 +6,6 @@
  */
 
 use std::any::Demand;
-use std::any::Provider;
 use std::backtrace::Backtrace;
 use std::convert::Infallible;
 use std::error::Error as StdError;
@@ -90,23 +89,6 @@ pub enum MononokeError {
     InternalError(#[source] InternalError),
 }
 
-impl Provider for MononokeError {
-    fn provide<'a>(&'a self, demand: &mut Demand<'a>) {
-        match self {
-            Self::InvalidRequest(..)
-            | Self::MergeConflicts { .. }
-            | Self::PushrebaseConflicts(..)
-            | Self::ServicePermissionDenied { .. }
-            | Self::HookFailure(..)
-            | Self::NotAvailable(..)
-            | Self::AuthorizationError(..) => {}
-            Self::InternalError(error) => {
-                demand.provide_ref::<Backtrace>(error.backtrace());
-            }
-        }
-    }
-}
-
 impl From<Error> for MononokeError {
     fn from(e: Error) -> Self {
         MononokeError::InternalError(InternalError(Arc::new(e)))

eden/mononoke/mononoke_api/src/lib.rs

@@ -5,7 +5,6 @@
  * GNU General Public License version 2.
  */
 
-#![feature(backtrace)]
 #![feature(error_generic_member_access)]
 #![feature(provide_any)]
 

eden/mononoke/reachabilityindex/src/lib.rs

@@ -5,7 +5,6 @@
  * GNU General Public License version 2.
  */
 
-#![feature(backtrace)]
 #![feature(error_generic_member_access)]
 #![feature(provide_any)]
 

eden/mononoke/scs_server/src/main.rs

@@ -5,7 +5,6 @@
  * GNU General Public License version 2.
  */
 
-#![feature(backtrace)]
 #![type_length_limit = "2097152"]
 
 use std::fs::File;