Bump rules_rust pin & add flycheck binary

Author: isaacparker0

rs/rules_rust.bzl

@@ -31,9 +31,9 @@ def _rules_rust_impl(mctx):
 
     http_archive(
         name = "rules_rust",
-        integrity = "sha256-2Omls/gtvOOdKgmcXazTqrCxf5zegAK6JMSRL/3J51c=",
-        strip_prefix = "rules_rust-f19661ba71f77c993ce1eb082053692610fe4313",
-        url = "https://github.com/hermeticbuild/rules_rust/archive/f19661ba71f77c993ce1eb082053692610fe4313.tar.gz",
+        integrity = "sha256-/4Vis8u8k+unS/lMjikRo78WHT2hgnuSphbCqB9JwC4=",
+        strip_prefix = "rules_rust-a39ce927aa2ad0f78e9fa0ed6f3330c1ae5d652c",
+        url = "https://github.com/hermeticbuild/rules_rust/archive/a39ce927aa2ad0f78e9fa0ed6f3330c1ae5d652c.tar.gz",
         patches = patches,
         patch_strip = strip,
     )

tools/rust_analyzer/BUILD.bazel

@@ -41,6 +41,21 @@ rust_binary(
     ],
 )
 
+rust_binary(
+    name = "flycheck",
+    srcs = ["@rules_rust//tools/rust_analyzer:bin/flycheck.rs"],
+    edition = "2021",
+    deps = [
+        ":gen_rust_project_lib",
+        "@rrra//:anyhow",
+        "@rrra//:camino",
+        "@rrra//:clap",
+        "@rrra//:env_logger",
+        "@rrra//:log",
+        "@rrra//:serde_json",
+    ],
+)
+
 rust_binary(
     name = "validate",
     srcs = ["@rules_rust//tools/rust_analyzer:bin/validate.rs"],
@@ -69,6 +84,7 @@ rust_library(
         "@rules_rust//tools/rust_analyzer:cache.rs",
         "@rules_rust//tools/rust_analyzer:lib.rs",
         "@rules_rust//tools/rust_analyzer:rust_project.rs",
+        "@rules_rust//tools/rust_analyzer:user_config.rs",
     ],
     compile_data = [
         "@rules_rust//rust/private:rust_analyzer_detect_sysroot",