mlton/mlton-20210117-5-x86_64.pkg.tar.zst build reproducible in our test framework:
ac970c2b291c371cf270ba6a17680d841f51ffdd08bd889bddd9bb705ff0cf89 mlton-20210117-5-x86_64.pkg.tar.zst
be54ae08d9a322eab187814a23d0fecd58f888da50b70b343d23c77435840ed3 mlton-20210117-5-x86_64.pkg.tar.zst-b1.BUILDINFO.txt
be54ae08d9a322eab187814a23d0fecd58f888da50b70b343d23c77435840ed3 mlton-20210117-5-x86_64.pkg.tar.zst-b2.BUILDINFO.txt