Input buildinfo: https://buildinfos.debian.net/buildinfo-pool/c/cython/cython_0.29.24-2_all.buildinfo Use metasnap for getting required timestamps New buildinfo file: /tmp/cython-0.29.24-2xkmd9tkq/cython_0.29.24-2_all.buildinfo Get source package info: cython=0.29.24-2 Source URL: http://snapshot.notset.fr/mr/package/cython/0.29.24-2/srcfiles?fileinfo=1 Cannot determine base mirror to use