Switch from rust-tools (the repository was archived) to rustaceanvim

Set Cargo to run Clippy

init.vim

@@ -89,7 +89,8 @@
 
         " Language server
         Plug 'neovim/nvim-lspconfig'
-        Plug 'simrat39/rust-tools.nvim'
+        Plug 'mrcjkb/rustaceanvim', { 'tag': '3.*' }
+        Plug 'lvimuser/lsp-inlayhints.nvim' " TODO: Inlay hints. Will be native to nvim in v0.10, so delete after that
 
         " Support for DAP (Debug Adapter Protocol)
         Plug 'mfussenegger/nvim-dap'
@@ -1383,21 +1384,32 @@ endif
 " Requires rust-analyzer to be installed on the system
 let g:rustfmt_on_save = 1 " vim-rustfmt
 lua <<EOF
-local rt = require 'rust-tools'
-rt.setup({
+require("lsp-inlayhints").setup()
+vim.g.rustaceanvim = {
+    -- LSP configuration
     server = {
-        on_attach = function(_, bufnr)
-
+        on_attach = function(client, bufnr)
             -- vim.keymap.set("n", "<Leader>ll", ':w <CR> :!cargo run <CR>', { buffer = bufnr })
             vim.keymap.set("n", "<Leader>ll", ":w <CR> :!cargo run 3>&2 2>&1 1>&3 | grep -o 'could not find `Cargo.toml`' > /dev/null && (rustc %:p && %:p:r)<CR>", { buffer = bufnr })
+            require("lsp-inlayhints").on_attach(client, bufnr)
+            require("lsp-inlayhints").show()
         end,
+        settings = {
+            -- rust-analyzer language server configuration
+            ['rust-analyzer'] = {
+                check = {
+                    command = 'clippy',
                 },
+            },
+        },
+    },
+    -- Plugin configuration
     tools = {
-        inlay_hints = {
-            auto = true, -- enable inlay_hints
     },
+    -- DAP configuration
+    dap = {
     },
-})
+}
 EOF
 " }}}