Input buildinfo: https://buildinfos.debian.net/buildinfo-pool/h/haskell-hmatrix-gsl/haskell-hmatrix-gsl_0.19.0.1-2+b2_amd64.buildinfo Use metasnap for getting required timestamps Cannot get timestamps from metasnap: 404 (Not Found) Use snapshot for getting required timestamps Get source package info: haskell-hmatrix-gsl=0.19.0.1-2 Source URL: http://snapshot.notset.fr/mr/package/haskell-hmatrix-gsl/0.19.0.1-2/srcfiles?fileinfo=1 No source info found for haskell-hmatrix-gsl-0.19.0.1-2