this derivation will be built:
  /nix/store/d45idx6ps4viw6chqm7fc5gr6rkmps82-bcachefs-module-7.0.0-38-generic.drv
building '/nix/store/d45idx6ps4viw6chqm7fc5gr6rkmps82-bcachefs-module-7.0.0-38-generic.drv'...