Input buildinfo: https://buildinfos.debian.net/buildinfo-pool/r/r-cran-keyring/r-cran-keyring_1.3.0-1_amd64.buildinfo
Use metasnap for getting required timestamps
New buildinfo file: /tmp/r-cran-keyring-1.3.0-1s48oxzvi/r-cran-keyring_1.3.0-1_amd64.buildinfo
Get source package info: r-cran-keyring=1.3.0-1
Source URL: http://snapshot.notset.fr/mr/package/r-cran-keyring/1.3.0-1/srcfiles?fileinfo=1
No source info found for r-cran-keyring-1.3.0-1