this derivation will be built:
  /nix/store/xj0az0bfvdqdbmj2j6adz25fl4qn4k7b-bcachefs-module-7.0.0-27-generic.drv
building '/nix/store/xj0az0bfvdqdbmj2j6adz25fl4qn4k7b-bcachefs-module-7.0.0-27-generic.drv'...