https://bugzilla.redhat.com/show_bug.cgi?id=2158276
--- Comment #3 from Michel Alexandre Salim michel@michel-slm.name --- Updated the spec, and filed a PR upstream to include the license text. Both texts are now included:
RPM build warnings: File listed twice: /usr/share/cargo/registry/libmimalloc-sys-0.1.28/LICENSE.txt File listed twice: /usr/share/cargo/registry/libmimalloc-sys-0.1.28/c_src/mimalloc/LICENSE