Input buildinfo: https://buildinfos.debian.net/buildinfo-pool/r/ruby-slack-notifier/ruby-slack-notifier_1.5.1-2_all.buildinfo
Use metasnap for getting required timestamps
New buildinfo file: /tmp/ruby-slack-notifier-1.5.1-28v8jcx8m/ruby-slack-notifier_1.5.1-2_all.buildinfo
Get source package info: ruby-slack-notifier=1.5.1-2
Source URL: http://snapshot.notset.fr/mr/package/ruby-slack-notifier/1.5.1-2/srcfiles?fileinfo=1
env -i PATH=/usr/sbin:/usr/bin:/sbin:/bin TMPDIR=/tmp mmdebstrap --arch=amd64 --include=autoconf=2.69-11 automake=1:1.16.1-1 autopoint=0.19.8.1-7 autotools-dev=20180224.1 base-files=10.1 base-passwd=3.5.45 bash=4.4.18-3.1 binutils=2.31.1-2 binutils-common=2.31.1-2 binutils-x86-64-linux-gnu=2.31.1-2 bsdmainutils=11.1.2+b1 bsdutils=1:2.32.1-0.1 build-essential=12.5 bzip2=1.0.6-8.1 ca-certificates=20180409 coreutils=8.28-1 cpp=4:8.1.0-1 cpp-8=8.2.0-3 dash=0.5.8-2.10 debconf=1.5.69 debhelper=11.3.5 debianutils=4.8.6 devscripts=2.18.3 dh-autoreconf=19 dh-strip-nondeterminism=0.042-1 diffutils=1:3.6-1 dpkg=1.19.0.5+b1 dpkg-dev=1.19.0.5 dwz=0.12-2 fdisk=2.32.1-0.1 file=1:5.34-2 findutils=4.6.0+git+20171230-2 g++=4:8.1.0-1 g++-8=8.2.0-3 gcc=4:8.1.0-1 gcc-8=8.2.0-3 gcc-8-base=8.2.0-3 gem2deb=0.39 gem2deb-test-runner=0.39 gettext=0.19.8.1-7 gettext-base=0.19.8.1-7 grep=3.1-2 groff-base=1.22.3-10 gzip=1.9-2 hostname=3.20 init-system-helpers=1.51 intltool-debian=0.35.0+20060710.4 libacl1=2.2.52-3+b1 libarchive-zip-perl=1.60-1 libasan5=8.2.0-3 libatomic1=8.2.0-3 libattr1=1:2.4.47-2+b2 libaudit-common=1:2.8.3-1 libaudit1=1:2.8.3-1+b1 libbinutils=2.31.1-2 libblkid1=2.32.1-0.1 libbsd0=0.9.1-1 libbz2-1.0=1.0.6-8.1 libc-bin=2.27-5 libc-dev-bin=2.27-5 libc6=2.27-5 libc6-dev=2.27-5 libcap-ng0=0.7.9-1 libcc1-0=8.2.0-3 libcroco3=0.6.12-2 libdb5.3=5.3.28-13.1+b1 libdebconfclient0=0.244 libdpkg-perl=1.19.0.5 libelf1=0.170-0.5 libexpat1=2.2.5-3 libfdisk1=2.32.1-0.1 libffi6=3.2.1-8 libfile-homedir-perl=1.004-1 libfile-stripnondeterminism-perl=0.042-1 libfile-which-perl=1.22-1 libfreetype6=2.8.1-2 libgcc-8-dev=8.2.0-3 libgcc1=1:8.2.0-3 libgcrypt20=1.8.3-1 libgdbm-compat4=1.14.1-6+b1 libgdbm5=1.14.1-6+b1 libglib2.0-0=2.56.1-2 libgmp-dev=2:6.1.2+dfsg-3 libgmp10=2:6.1.2+dfsg-3 libgmpxx4ldbl=2:6.1.2+dfsg-3 libgomp1=8.2.0-3 libgpg-error0=1.32-1 libgraphite2-3=1.3.11-2 libharfbuzz0b=1.8.7-1 libicu-le-hb0=1.0.3+git161113-5 libicu60=60.2-6 libisl19=0.20-1 libitm1=8.2.0-3 liblsan0=8.2.0-3 liblz4-1=1.8.2-1 liblzma5=5.2.2-1.3 libmagic-mgc=1:5.34-2 libmagic1=1:5.34-2 libmount1=2.32.1-0.1 libmpc3=1.1.0-1 libmpdec2=2.4.2-2 libmpfr6=4.0.1-1 libmpx2=8.2.0-3 libncurses6=6.1+20180714-1 libncursesw6=6.1+20180714-1 libpam-modules=1.1.8-3.7 libpam-modules-bin=1.1.8-3.7 libpam-runtime=1.1.8-3.7 libpam0g=1.1.8-3.7 libpcre3=2:8.39-11 libperl5.26=5.26.2-7 libpipeline1=1.5.0-1 libpng16-16=1.6.34-2 libpython3-stdlib=3.6.6-1 libpython3.6-minimal=3.6.6-1 libpython3.6-stdlib=3.6.6-1 libquadmath0=8.2.0-3 libreadline7=7.0-5 libruby2.5=2.5.1-5 libseccomp2=2.3.3-3 libselinux1=2.8-1+b1 libsigsegv2=2.12-2 libsmartcols1=2.32.1-0.1 libsqlite3-0=3.24.0-1 libssl1.1=1.1.0h-4 libstdc++-8-dev=8.2.0-3 libstdc++6=8.2.0-3 libsystemd0=239-7 libtimedate-perl=2.3000-2 libtinfo6=6.1+20180714-1 libtool=2.4.6-2.1 libtsan0=8.2.0-3 libubsan1=8.2.0-3 libudev1=239-7 libunistring2=0.9.10-1 libuuid1=2.32.1-0.1 libxml2=2.9.4+dfsg1-7+b1 libyaml-0-2=0.2.1-1 linux-libc-dev=4.17.8-1 login=1:4.5-1.1 m4=1.4.18-1 make=4.2.1-1.2 man-db=2.8.4-2 mawk=1.3.3-17+b3 mime-support=3.61 ncurses-base=6.1+20180714-1 ncurses-bin=6.1+20180714-1 openssl=1.1.0h-4 patch=2.7.6-3 perl=5.26.2-7 perl-base=5.26.2-7 perl-modules-5.26=5.26.2-7 po-debconf=1.0.20 python3=3.6.6-1 python3-minimal=3.6.6-1 python3.6=3.6.6-1 python3.6-minimal=3.6.6-1 rake=12.3.1-3 readline-common=7.0-5 ruby=1:2.5.1 ruby-all-dev=1:2.5.1 ruby-did-you-mean=1.2.1-1 ruby-diff-lcs=1.3-1 ruby-minitest=5.10.3-1 ruby-net-telnet=0.1.1-2 ruby-power-assert=1.1.1-1 ruby-rspec=3.7.0c1e0m0s1-1 ruby-rspec-core=3.7.0c1e0m0s1-1 ruby-rspec-expectations=3.7.0c1e0m0s1-1 ruby-rspec-mocks=3.7.0c1e0m0s1-1 ruby-rspec-support=3.7.0c1e0m0s1-1 ruby-setup=3.4.1-9 ruby-test-unit=3.2.7-1 ruby-thread-order=1.1.0-1 ruby-xmlrpc=0.3.0-2 ruby2.5=2.5.1-5 ruby2.5-dev=2.5.1-5 rubygems-integration=1.11 sed=4.5-1 sensible-utils=0.0.12 sysvinit-utils=2.88dsf-59.10 tar=1.30+dfsg-2 util-linux=2.32.1-0.1 xz-utils=5.2.2-1.3 zlib1g=1:1.2.11.dfsg-1 --variant=apt --aptopt=Acquire::Check-Valid-Until "false" --aptopt=Acquire::http::Dl-Limit "1000"; --aptopt=Acquire::https::Dl-Limit "1000"; --aptopt=Acquire::Retries "5"; --aptopt=APT::Get::allow-downgrades "true"; --keyring=/usr/share/keyrings/ --essential-hook=chroot "$1" sh -c "apt-get --yes install fakeroot util-linux" --essential-hook=copy-in /usr/share/keyrings/debian-archive-bullseye-automatic.gpg /usr/share/keyrings/debian-archive-bullseye-security-automatic.gpg /usr/share/keyrings/debian-archive-bullseye-stable.gpg /usr/share/keyrings/debian-archive-buster-automatic.gpg /usr/share/keyrings/debian-archive-buster-security-automatic.gpg /usr/share/keyrings/debian-archive-buster-stable.gpg /usr/share/keyrings/debian-archive-keyring.gpg /usr/share/keyrings/debian-archive-removed-keys.gpg /usr/share/keyrings/debian-archive-stretch-automatic.gpg /usr/share/keyrings/debian-archive-stretch-security-automatic.gpg /usr/share/keyrings/debian-archive-stretch-stable.gpg /usr/share/keyrings/debian-ports-archive-keyring-removed.gpg /usr/share/keyrings/debian-ports-archive-keyring.gpg /usr/share/keyrings/debian-keyring.gpg /etc/apt/trusted.gpg.d/ --essential-hook=chroot "$1" sh -c "rm /etc/apt/sources.list && echo 'deb http://snapshot.notset.fr/archive/debian/20210814T212851Z/ bookworm main
deb-src http://snapshot.notset.fr/archive/debian/20210814T212851Z/ bookworm main
deb http://snapshot.notset.fr/archive/debian/20181006T150348Z/ unstable main
deb http://snapshot.notset.fr/archive/debian/20180812T211146Z/ unstable main' >> /etc/apt/sources.list && apt-get update" --customize-hook=chroot "$1" useradd --no-create-home -d /nonexistent -p "" builduser -s /bin/bash --customize-hook=chroot "$1" env sh -c "apt-get source --only-source -d ruby-slack-notifier=1.5.1-2 && mkdir -p /build/ruby-slack-notifier-av9LXp && dpkg-source --no-check -x /*.dsc /build/ruby-slack-notifier-av9LXp/ruby-slack-notifier-1.5.1 && chown -R builduser:builduser /build/ruby-slack-notifier-av9LXp" --customize-hook=chroot "$1" env --unset=TMPDIR runuser builduser -c "cd /build/ruby-slack-notifier-av9LXp/ruby-slack-notifier-1.5.1 && env DEB_BUILD_OPTIONS="parallel=4" LC_ALL="POSIX" SOURCE_DATE_EPOCH="1534320606" DEB_BUILD_OPTIONS=nocheck dpkg-buildpackage -uc -a amd64 --build=all" --customize-hook=sync-out /build/ruby-slack-notifier-av9LXp /tmp/ruby-slack-notifier-1.5.1-28v8jcx8m buster /dev/null deb http://snapshot.notset.fr/archive/debian/20180812T211146Z unstable main
I: automatically chosen mode: root
I: chroot architecture amd64 is equal to the host's architecture
I: automatically chosen format: null
I: using /tmp/mmdebstrap.lFSnQsLRCk as tempdir
I: running apt-get update...
Get:1 http://snapshot.notset.fr/archive/debian/20180812T211146Z unstable InRelease [233 kB]
Err:1 http://snapshot.notset.fr/archive/debian/20180812T211146Z unstable InRelease
  The following signatures couldn't be verified because the public key is not available: NO_PUBKEY 8B48AD6246925553 NO_PUBKEY 7638D0442B90D010 NO_PUBKEY 04EE7237B7D453EC
Reading package lists...
W: GPG error: http://snapshot.notset.fr/archive/debian/20180812T211146Z unstable InRelease: The following signatures couldn't be verified because the public key is not available: NO_PUBKEY 8B48AD6246925553 NO_PUBKEY 7638D0442B90D010 NO_PUBKEY 04EE7237B7D453EC
E: The repository 'http://snapshot.notset.fr/archive/debian/20180812T211146Z unstable InRelease' is not signed.
E: apt-get update --error-on=any -oAPT::Status-Fd=<$fd> -oDpkg::Use-Pty=false failed
W: listening on child socket failed: 
I: removing tempdir /tmp/mmdebstrap.lFSnQsLRCk...
E: mmdebstrap failed to run
mmdebstrap failed