chore: point to non-deprecated rustfmt (#392)

* chore: point to non-deprecated rustfmt

See bazelbuild/rules_rust#2703

* chore: upgrade rules_rust

* Update Bar.java

example/MODULE.bazel

@@ -14,7 +14,7 @@ bazel_dep(name = "rules_jvm_external", version = "4.5")
 bazel_dep(name = "rules_go", version = "0.42.0", repo_name = "io_bazel_rules_go")
 bazel_dep(name = "rules_proto", version = "6.0.0")
 bazel_dep(name = "rules_python", version = "0.26.0")
-bazel_dep(name = "rules_rust", version = "0.45.1")
+bazel_dep(name = "rules_rust", version = "0.50.1")
 bazel_dep(name = "buildifier_prebuilt", version = "6.3.3")
 bazel_dep(name = "platforms", version = "0.0.8")
 bazel_dep(name = "rules_kotlin", version = "1.9.0")

example/WORKSPACE.bazel

@@ -273,9 +273,8 @@ kt_register_toolchains()
 
 http_archive(
     name = "rules_rust",
-    integrity = "sha256-Eg0TqoZgX2BG0VEhB6qfWrxL5luctWwFhogWgtzYQ78=",
-    strip_prefix = "rules_rust-4a3ffcb1e89b3f20b12a37b55595682f4bc866b7",
-    urls = ["https://github.com/bazelbuild/rules_rust/archive/4a3ffcb1e89b3f20b12a37b55595682f4bc866b7.tar.gz"],
+    integrity = "sha256-MZscNcESBO9WsdlKVJ9rnTUygTt3jwLXCe9oyDcDbPE=",
+    urls = ["https://github.com/bazelbuild/rules_rust/releases/download/0.50.1/rules_rust-v0.50.1.tar.gz"],
 )
 
 load("@rules_rust//rust:repositories.bzl", "rules_rust_dependencies", "rust_register_toolchains")

example/tools/format/BUILD.bazel

@@ -73,7 +73,11 @@ format_multirun(
     markdown = ":prettier",
     protocol_buffer = "//tools/lint:buf",
     python = "@aspect_rules_lint//format:ruff",
-    rust = "@rules_rust//tools/rustfmt:upstream_rustfmt",
+    # Note, older rules_rust versions may need
+    # @rules_rust//tools/rustfmt:upstream_rustfmt
+    # which was later deprecated in
+    # https://github.com/bazelbuild/rules_rust/pull/2703
+    rust = "@rules_rust//tools/upstream_wrapper:rustfmt",
     scala = ":scalafmt",
     shell = "@aspect_rules_lint//format:shfmt",
     sql = ":prettier",