Package: libcrypt1 The file /lib/x86_64-linux-gnu/libcrypt.so.1 used to be in package libc6 on Stretch and Buster until it was split off into a separate libcrypt in Bullseye (and in Sid).
Something in the upgrade logic to adopt the new pacakge is lacking when upgrading libc6 as the system ends in a situation where libcrypt.so.1 is removed before the replacement from a new package is installed. I noticed this on Salsa-CI for my own package. It happens in a reproducible way on a clean Docker image. See full log at: https://salsa.debian.org/mariadb-team/mariadb-server/-/jobs/1911234 Here is the relevant part: # Replace any old repos with just Sid echo 'deb http://deb.debian.org/debian sid main' > /etc/apt/sources.list # Upgrade minimal stack first apt-get update apt-get install -y apt apt-get install -y pkg-config libmariadb2 libmariadb-dev libmariadb-dev-compat Reading package lists... Building dependency tree... Reading state information... The following additional packages will be installed: bzip2 libdpkg-perl libffi6 libfile-fcntllock-perl libgdbm3 libglib2.0-0 libglib2.0-data libicu57 liblocale-gettext-perl libperl5.24 libssl1.1 libxml2 netbase perl perl-modules-5.24 rename sgml-base shared-mime-info xdg-user-dirs xml-core xz-utils Suggested packages: bzip2-doc debian-keyring gnupg | gnupg2 gcc | c-compiler binutils patch perl-doc libterm-readline-gnu-perl | libterm-readline-perl-perl make sgml-base-doc debhelper The following NEW packages will be installed: bzip2 libdpkg-perl libffi6 libfile-fcntllock-perl libgdbm3 libglib2.0-0 libglib2.0-data libicu57 liblocale-gettext-perl libmariadb-dev libmariadb-dev-compat libmariadb2 libperl5.24 libssl1.1 libxml2 netbase perl perl-modules-5.24 pkg-config rename sgml-base shared-mime-info xdg-user-dirs xml-core xz-utils 0 upgraded, 25 newly installed, 0 to remove and 0 not upgraded. ... Preparing to unpack .../libc6_2.31-17_amd64.deb ... Checking for services that may need to be restarted... Checking init scripts... Unpacking libc6:amd64 (2.31-17) over (2.24-11+deb9u4) ... Setting up libc6:amd64 (2.31-17) ... Installing new version of config file /etc/ld.so.conf.d/x86_64-linux-gnu.conf ... /usr/bin/perl: error while loading shared libraries: libcrypt.so.1: cannot open shared object file: No such file or directory dpkg: error processing package libc6:amd64 (--configure): subprocess installed post-installation script returned error exit status 127 Errors were encountered while processing: libc6:amd64 E: Sub-process /usr/bin/dpkg returned an error code (1)
