remove let_chain feature

cjlongoria · facebook-github-bot · commit 46b711adf6e8 · 2025-10-01T07:39:09.000-07:00
Summary: X-link: meta-pytorch/monarch#1388 let_chains were stabilized in 1.88.0 for edition 2024 and removed in 1.90.0 rust-lang/rust#132833 rust-lang/rust#143214 Reviewed By: dtolnay Differential Revision: D83221093 fbshipit-source-id: 6fb40aa7e1c282f453394db5b7f0dab1282c2e35
diff --git a/app/buck2_client_ctx/src/lib.rs b/app/buck2_client_ctx/src/lib.rs
@@ -11,7 +11,6 @@
 #![feature(once_cell_try)]
 #![feature(error_generic_member_access)]
 #![feature(if_let_guard)]
-#![feature(let_chains)]
 #![feature(try_blocks)]
 #![feature(try_trait_v2)]
 #![feature(used_with_arg)]
diff --git a/app/buck2_common/src/lib.rs b/app/buck2_common/src/lib.rs
@@ -17,7 +17,6 @@
 #![feature(never_type)]
 #![feature(try_trait_v2)]
 #![feature(used_with_arg)]
-#![feature(let_chains)]
 #![feature(try_blocks)]
 
 pub mod argv;
diff --git a/app/buck2_core/src/lib.rs b/app/buck2_core/src/lib.rs
@@ -18,7 +18,6 @@
 #![feature(once_cell_try)]
 #![feature(try_blocks)]
 #![feature(used_with_arg)]
-#![feature(let_chains)]
 
 #[macro_use]
 pub mod error;
diff --git a/app/buck2_error/src/lib.rs b/app/buck2_error/src/lib.rs
@@ -9,7 +9,6 @@
  */
 
 #![feature(error_generic_member_access)]
-#![feature(let_chains)]
 #![feature(trait_alias)]
 
 pub mod any;
diff --git a/app/buck2_error_derive/src/lib.rs b/app/buck2_error_derive/src/lib.rs
@@ -11,7 +11,6 @@
 // This code is adapted from https://github.com/dtolnay/thiserror licensed under Apache-2.0 or MIT.
 
 #![allow(clippy::manual_map)]
-#![feature(let_chains)]
 
 mod ast;
 mod attr;
diff --git a/app/buck2_execute/src/lib.rs b/app/buck2_execute/src/lib.rs
@@ -14,7 +14,6 @@
 #![feature(try_blocks)]
 #![feature(try_trait_v2)]
 #![feature(used_with_arg)]
-#![feature(let_chains)]
 
 pub mod artifact;
 pub mod artifact_utils;
diff --git a/app/buck2_execute_impl/src/lib.rs b/app/buck2_execute_impl/src/lib.rs
@@ -13,7 +13,6 @@
 #![feature(box_patterns)]
 #![feature(try_trait_v2)]
 #![feature(used_with_arg)]
-#![feature(let_chains)]
 
 pub mod executors;
 mod incremental_actions_helper;
diff --git a/app/buck2_miniperf/src/main.rs b/app/buck2_miniperf/src/main.rs
@@ -8,8 +8,6 @@
  * above-listed licenses.
  */
 
-#![feature(let_chains)]
-
 #[cfg_attr(target_os = "linux", path = "linux.rs")]
 #[cfg_attr(not(target_os = "linux"), path = "unsupported.rs")]
 mod impl_;
diff --git a/app/buck2_server_commands/src/lib.rs b/app/buck2_server_commands/src/lib.rs
@@ -13,7 +13,6 @@
 //! Implementation of several server commands.
 
 #![feature(box_patterns)]
-#![feature(let_chains)]
 #![feature(try_blocks)]
 #![feature(used_with_arg)]
 
diff --git a/app/buck2_server_ctx/src/lib.rs b/app/buck2_server_ctx/src/lib.rs
@@ -8,7 +8,6 @@
  * above-listed licenses.
  */
 
-#![feature(let_chains)]
 #![feature(error_generic_member_access)]
 #![feature(used_with_arg)]
 #![feature(anonymous_lifetime_in_impl_trait)]
