BoW(wsltty)のrailsコマンドで「Error: Command 'rails' not recognized」が発生したときの対処法

Bash on Ubuntu on Windows(wsltty)上にrbenvでRoRの環境を作り、rails crails g model hogehogeを実行したら以下のエラーが発生した。

$ rails c
Version: 2.0.1

Usage: spring COMMAND [ARGS]

Commands for spring itself:

  binstub         Generate spring based binstubs. Use --all to generate a binstub for all known commands. Use --remove to revert.
  help            Print available commands.
  server          Explicitly start a Spring server in the foreground
  status          Show current status.
  stop            Stop all spring processes for this project.

Commands for your application:

  rails           Run a rails command. The following sub commands will use spring: console, runner, generate, destroy, test.
  rake            Runs the rake command
Error: Command 'rails' not recognized
Usage: rails COMMAND [ARGS]

The most common rails commands are:
 generate    Generate new code (short-cut alias: "g")
 console     Start the Rails console (short-cut alias: "c")
 server      Start the Rails server (short-cut alias: "s")
 dbconsole   Start a console for the database specified in config/database.yml
             (short-cut alias: "db")
 new         Create a new Rails application. "rails new my_app" creates a
             new application called MyApp in "./my_app"

In addition to those, there are:
 destroy      Undo code generated with "generate" (short-cut alias: "d")
 plugin new   Generates skeleton for developing a Rails plugin
 runner       Run a piece of code in the application environment (short-cut alias: "r")

All commands can be run with -h (or --help) for more information.

直し方は以下のサイトに書いてあった。 この質問の回答によると、以下のコマンドを実行すれば良いとのこと。

rake rails:update:bin