Setup:
  1. # echo 'deb http://download.proxmox.com/debian/devel/ bookworm main' | sudo tee /etc/apt/sources.list.d/proxmox-devel.list
  2. # sudo wget https://enterprise.proxmox.com/debian/proxmox-release-bookworm.gpg -O /etc/apt/trusted.gpg.d/proxmox-release-bookworm.gpg
  3. # sudo apt update
  4. # sudo apt install devscripts debcargo clang
  5. # git clone git://git.proxmox.com/git/proxmox-backup.git
  6. # cd proxmox-backup; sudo mk-build-deps -ir

It was worked before, but currently when I run mk-build-deps -ir . facing this issue.

Broken rust-proxmox-backup-build-deps:amd64 Depends on librust-proxmox-rrd-0.2+default-dev:amd64 < none @un H >
  Removing rust-proxmox-backup-build-deps:amd64 because I can't find librust-proxmox-rrd-0.2+default-dev:amd64
Done
 Done
Starting pkgProblemResolver with broken count: 0
Starting 2 pkgProblemResolver with broken count: 0
Done
The following packages will be REMOVED:
  rust-proxmox-backup-build-deps
0 upgraded, 0 newly installed, 1 to remove and 0 not upgraded.
1 not fully installed or removed.
After this operation, 10.2 kB disk space will be freed.
Do you want to continue? [Y/n] Y
(Reading database ... 195530 files and directories currently installed.)
Removing rust-proxmox-backup-build-deps (3.2.6-1) ...
mk-build-deps: Unable to install rust-proxmox-backup-build-deps at /usr/bin/mk-build-deps line 459.
mk-build-deps: Unable to install all build-dep packages