uscan had problems while searching for a new upstream version:
failed to parse XML: <dehs>
<errors>Malformed version line: version=5, only 'Version: X' is allowed when using version &gt;= 5</errors>
</dehs>
<package>dtfabric</package>
<warnings>debian/watch version number is unrecognised</warnings>
<warnings>Unable to parse 's/.+\/v?(\d\S+)\.tar\.gz/dtfabric-$1\.tar\.gz/', skipping</warnings>
<warnings>In watchfile debian/watch, reading webpage
https://github.com/libyal/dtfabric/tags failed: 500 Header line too long (limit is 8192)</warnings>
</dehs>
</dehs>