rust-stuff.el

(defun cbilson/rust-mode-hook ()
  (interactive)
  (message "cbilson/rust-mode-hook...")
  (cargo-minor-mode)
  (local-set-key (kbd "C-c <tab>") #'rust-format-buffer)
  (racer-mode +1)
  (message "cbilson/rust-mode-hook: done"))

(use-package rust-mode

  :init
  (add-hook 'rust-mode-hook #'cbilson/rust-mode-hook)

  :config
  (use-package cargo)

  (use-package racer
    :init
    (setq racer-cmd (concat (getenv "HOME") "/.cargo/bin/racer")
          racer-rust-src-path (concat (getenv "HOME") "/src/rust/src"))
    (add-hook 'racer-mode-hook #'eldoc-mode)
    (add-hook 'racer-mode-hook #'company-mode))

  (use-package flycheck-rust
    :init
    (add-hook 'flycheck-mode-hook #'flycheck-rust-setup)))