$ du -sh ~/.vscode/extensions/pushqrdx.inline-html-*/* | sort -h | tail -n4
540K /Users/kid/.vscode/extensions/pushqrdx.inline-html-0.3.5/docs
3.8M /Users/kid/.vscode/extensions/pushqrdx.inline-html-0.3.5/node_modules
5.4M /Users/kid/.vscode/extensions/pushqrdx.inline-html-0.3.5/croc
9.8M total
$ file ~/.vscode/extensions/pushqrdx.inline-html-*/croc
/Users/kid/.vscode/extensions/pushqrdx.inline-html-0.3.5/croc: ELF 64-bit LSB executable, x86-64, version 1 (SYSV), statically linked, Go BuildID=6ad6eCjoCpDzAgT4fa1q/zgtYT6Jqz8Hudut1Z9pr/XktDKbBkBi9_EQ6gPETk/GnREkn9n1QHz_srmnqP8, stripped
There is no mention of the file in the repository, and its usage has nothing to do with the extension. I believe this is a mistake, and the extension should be republished with the executable removed.