this derivation will be built:
  /nix/store/5lx46nmpvkkmb38j4b789dckh6jcbmn4-bcachefs-module-7.0.0-29-generic.drv
building '/nix/store/5lx46nmpvkkmb38j4b789dckh6jcbmn4-bcachefs-module-7.0.0-29-generic.drv'...