Input buildinfo: https://buildinfos.debian.net/buildinfo-pool/p/python-plumbum/python-plumbum_1.7.2-1_all.buildinfo Use metasnap for getting required timestamps New buildinfo file: /tmp/python-plumbum-1.7.2-1vxgh2iuu/python-plumbum_1.7.2-1_all.buildinfo Get source package info: python-plumbum=1.7.2-1 Source URL: http://snapshot.notset.fr/mr/package/python-plumbum/1.7.2-1/srcfiles?fileinfo=1 Cannot determine base mirror to use