Truncated </html> at the end of markup

I'm not seeing this on all responses but some have the tml> truncated. E.g.

$ curl https://lib.rs/crates/tokio | tail
<a href="/crates/tokio-fd">tokio-fd</a>,
<a href="/crates/tower">tower</a>,
<a href="/crates/mio-misc">mio-misc</a>,
<a href="/crates/actix-rt">actix-rt</a>
</nav>
<aside role="contentinfo"><p><a href="/"><b>Lib.rs</b></a> is an unofficial list of Rust/Cargo crates. It's <a href="https://gitlab.com/crates.rs?sort=stars_desc">open-source</a>, created by <a href="https://github.com/kornelski">kornelski</a>. If something is missing or incorrect with the site, please <a href="https://gitlab.com/crates.rs/crates.rs/issues/new">file a bug</a>. <nobr>This page was generated on 2021-10-13.</nobr></p></aside>
</div>
</footer>
</body>
</h

$ curl https://lib.rs/crates/rsdate | tail
<a href="/crates/chrono">chrono</a>,
<a href="/crates/chrono_locale">chrono_locale</a>,
<a href="/crates/datetimeutils">datetimeutils</a>,
<a href="/crates/chronoutil">chronoutil</a>
</nav>
<aside role="contentinfo"><p><a href="/"><b>Lib.rs</b></a> is an unofficial list of Rust/Cargo crates. It's <a href="https://gitlab.com/crates.rs?sort=stars_desc">open-source</a>, created by <a href="https://github.com/kornelski">kornelski</a>. If something is missing or incorrect with the site, please <a href="https://gitlab.com/crates.rs/crates.rs/issues/new">file a bug</a>. <nobr>This page was generated on 2021-10-13.</nobr></p></aside>
</div>
</footer>
</body>
</h