fix rust_analyzer

lua/lazy-lsp/overrides.lua

@@ -30,4 +30,16 @@ return {
   perlnavigator = {
     cmd = { "perlnavigator", "--stdio" },
   },
+  rust_analyzer = {
+    root_dir = function(fname)
+      -- Default lspconfig root_dir detection uses cargo to try to detect workspace directory.
+      -- It fails if cargo is not available, fallback to a simpler detection.
+      if not vim.fn.executable("cargo") then
+        return util.root_pattern("Cargo.toml")(fname)
+            or util.root_pattern("rust-project.json")(fname)
+            or util.find_git_ancestor(fname)
+      end
+      return lspconfig.jdtls.document_config.default_config.root_dir(fname)
+    end
+  },
 }

lua/lazy-lsp/servers.lua

@@ -231,7 +231,11 @@ return {
   ruby_ls = "rubyPackages.ruby-lsp",
   ruff_lsp = "ruff-lsp",
   rune_languageserver = "rune-languageserver",
-  rust_analyzer = "rust-analyzer",
+  rust_analyzer = {
+    "rust-analyzer",
+    "cargo",
+    "rustfmt"
+  },
   salt_ls = "",
   scheme_langserver = "",
   scry = "scry",