piuparts job fails on pre_install_salsa_ci: `Command failed (status=1)`

Previously Salsa CI piuparts job log in MariaDB was showing (https://salsa.debian.org/mariadb-team/mariadb-server/-/jobs/7179559):

0m6.2s DEBUG: Starting command: ['chroot', '/tmp/tmpf8tjzfxf', 'eatmydata', 'tmp/scripts/pre_install_foreign_architecture']
0m6.2s DEBUG: Command ok: ['chroot', '/tmp/tmpf8tjzfxf', 'eatmydata', 'tmp/scripts/pre_install_foreign_architecture']
0m6.2s DEBUG: Starting command: ['chroot', '/tmp/tmpf8tjzfxf', 'eatmydata', 'tmp/scripts/pre_install_foreign_architecture_i386']
0m6.2s DEBUG: Command ok: ['chroot', '/tmp/tmpf8tjzfxf', 'eatmydata', 'tmp/scripts/pre_install_foreign_architecture_i386']
0m6.2s DEBUG: Starting command: ['chroot', '/tmp/tmpf8tjzfxf', 'eatmydata', 'tmp/scripts/pre_install_salsa_ci']
0m7.4s DUMP: 
  + set -e
  + grep -r ^deb  /etc/apt/sources.list.d
  /etc/apt/sources.list.d/local-apt-repository.list:deb [trusted=yes] file:///var/lib/local-apt-repository/ ./
  + . /etc/os-release
  + PRETTY_NAME=Debian GNU/Linux 12 (bookworm)
  + NAME=Debian GNU/Linux
  + VERSION_ID=12
  + VERSION=12 (bookworm)
  + VERSION_CODENAME=bookworm
  + ID=debian
  + HOME_URL=https://www.debian.org/
  + SUPPORT_URL=https://www.debian.org/support
  + BUG_REPORT_URL=https://bugs.debian.org/
  + cat
  + apt-get update
  Get:1 file:/var/lib/local-apt-repository ./ InRelease
  Ign:1 file:/var/lib/local-apt-repository ./ InRelease
  Get:2 file:/var/lib/local-apt-repository ./ Release [1279 B]
  Get:2 file:/var/lib/local-apt-repository ./ Release [1279 B]

Today it started showing (https://salsa.debian.org/otto/mariadb-server/-/jobs/7550113):

0m7.0s DEBUG: Starting command: ['chroot', '/tmp/tmp15omcamm', 'eatmydata', 'tmp/scripts/pre_install_foreign_architecture']
0m7.0s DEBUG: Command ok: ['chroot', '/tmp/tmp15omcamm', 'eatmydata', 'tmp/scripts/pre_install_foreign_architecture']
0m7.0s DEBUG: Starting command: ['chroot', '/tmp/tmp15omcamm', 'eatmydata', 'tmp/scripts/pre_install_foreign_architecture_i386']
0m7.0s DEBUG: Command ok: ['chroot', '/tmp/tmp15omcamm', 'eatmydata', 'tmp/scripts/pre_install_foreign_architecture_i386']
0m7.0s DEBUG: Starting command: ['chroot', '/tmp/tmp15omcamm', 'eatmydata', 'tmp/scripts/pre_install_salsa_ci']
0m7.0s DUMP: 
  + set -e
  + grep -r ^deb  /etc/apt/sources.list.d
0m7.0s ERROR: Command failed (status=1): ['chroot', '/tmp/tmp15omcamm', 'eatmydata', 'tmp/scripts/pre_install_salsa_ci']
  + set -e
  + grep -r ^deb  /etc/apt/sources.list.d
  
0m7.3s DEBUG: Starting command: ['umount', '/tmp/tmp15omcamm/dev/shm']
0m7.3s DEBUG: Command ok: ['umount', '/tmp/tmp15omcamm/dev/shm']
0m7.3s DEBUG: Starting command: ['umount', '/tmp/tmp15omcamm/dev/pts']
0m7.3s DEBUG: Command ok: ['umount', '/tmp/tmp15omcamm/dev/pts']
0m7.3s DEBUG: Starting command: ['umount', '/tmp/tmp15omcamm/proc']
0m7.3s DEBUG: Command ok: ['umount', '/tmp/tmp15omcamm/proc']
0m7.3s DEBUG: Starting command: ['rm', '-rf', '--one-file-system', '/tmp/tmp15omcamm']
0m7.5s DEBUG: Command ok: ['rm', '-rf', '--one-file-system', '/tmp/tmp15omcamm']
0m7.5s DEBUG: Removed directory tree at /tmp/tmp15omcamm
0m7.5s ERROR: piuparts run ends.
section_end:1746645121:step_script
[0Ksection_start:1746645121:cleanup_file_variables
[0K[0K[36;1mCleaning up project directory and file based variables[0;m[0;m
section_end:1746645121:cleanup_file_variables
[0K[31;1mERROR: Job failed: exit code 1

This line was done over 2 years ago in 46cea2db by @carlespina. There are no new piuparts versions for over a month. I can't figure out what might have regressed this.