<p dir="auto">I'm running the latest Deno version today, While executing the exe, I got these errors:</p>
<div class="snippet-clipboard-content notranslate position-relative overflow-auto" data-snippet-clipboard-copy-content="error: Uncaught SyntaxError: Identifier 'once2' has already been declared
    at file://$deno$/bundle.js:20247:0"><pre class="notranslate"><code class="notranslate">error: Uncaught SyntaxError: Identifier 'once2' has already been declared
    at file://$deno$/bundle.js:20247:0
</code></pre></div>
<p dir="auto">Version:<br>
<a target="_blank" rel="noopener noreferrer nofollow" href="https://user-images.githubusercontent.com/73797168/139174590-e7e8e7f6-c9da-4cc0-8cdd-d70d088de2fe.png"><img src="https://user-images.githubusercontent.com/73797168/139174590-e7e8e7f6-c9da-4cc0-8cdd-d70d088de2fe.png" alt="image" style="max-width: 100%;"></a></p>
<p dir="auto">Input</p>
<div class="snippet-clipboard-content notranslate position-relative overflow-auto" data-snippet-clipboard-copy-content="import cowsay from 'https://dev.jspm.io/cowsay-browser'
console.log(cowsay.say({ text: 'yolo' }))"><pre class="notranslate"><code class="notranslate">import cowsay from 'https://dev.jspm.io/cowsay-browser'
console.log(cowsay.say({ text: 'yolo' }))
</code></pre></div>
<p dir="auto">First line of <code class="notranslate">https://dev.jspm.io/cowsay-browser</code></p>
<div class="snippet-clipboard-content notranslate position-relative overflow-auto" data-snippet-clipboard-copy-content="import { dew } from &quot;/npm:cowsay-browser@1.1.8/index.dew.js&quot;;"><pre class="notranslate"><code class="notranslate">import { dew } from "/npm:cowsay-browser@1.1.8/index.dew.js";
</code></pre></div>
<h3 dir="auto">Actual</h3>
<p dir="auto">Deno tries to import <code class="notranslate">/npm:cowsay-browser@1.1.8/index.dew.js</code> and fails.</p>
<div class="snippet-clipboard-content notranslate position-relative overflow-auto" data-snippet-clipboard-copy-content="Cannot resolve module &quot;/npm:cowsay-browser@1.1.8/index.dew.js&quot;
from &quot;.../.deno/deps/https/dev.jspm.io/cowsay-browser&quot;"><pre class="notranslate"><code class="notranslate">Cannot resolve module "/npm:cowsay-browser@1.1.8/index.dew.js"
from ".../.deno/deps/https/dev.jspm.io/cowsay-browser"
</code></pre></div>
<h3 dir="auto">Expected</h3>
<p dir="auto">Deno imports <code class="notranslate">https://dev.jspm.io/npm:cowsay-browser@1.1.8/index.dew.js</code></p>
<h3 dir="auto">Quick reproduction</h3>
<p dir="auto">This should not fail:<br>
<code class="notranslate">deno https://dev.jspm.io/cowsay-browser</code></p>