The package installs a binary which is not dynamically linked against libc.
It is theoretically possible to have a program which doesn't use any symbols from libc, but it is far more likely that this binary simply isn't linked correctly.
For more information please consult:
The tag is present in Lintian version
That is the most recent version we know about.
We use semantic versions.
The patch number is a commit step indicator relative to the
release tag in our Git
You can find the detection logic for this version at commit c1c05b0. For merge requests, please use the latest version in the Lintian check binaries/prerequisites.