this derivation will be built:
  /nix/store/qh2lxyd15f71b3ggznj8jmmy7pal77id-bcachefs-module-7.0.0-39-generic.drv
building '/nix/store/qh2lxyd15f71b3ggznj8jmmy7pal77id-bcachefs-module-7.0.0-39-generic.drv'...