this derivation will be built:
  /nix/store/k40l777vvd6bv36ray2gkp6mwvwp44j4-bcachefs-module-7.0.0-30-generic.drv
building '/nix/store/k40l777vvd6bv36ray2gkp6mwvwp44j4-bcachefs-module-7.0.0-30-generic.drv'...