>hello_cargo</em>ディレクトリから以下のコマンドを入力して、プロジェクトをビルドします。</p>
<pre><code class="language-console">$ cargo build
   Compiling hello_cargo v0.1.0 (file:///projects/hello_cargo)
    Finished dev [unoptimized + debuginfo] target(s) in 2.85 secs
</code></pre>
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This command creates an executable file in *target/debug/hello_cargo* (or
*target\debug\hello_cargo.exe* on Windows) rather than in your current
directory. Because the default build is a 