this derivation will be built:
  /nix/store/9v47gyy9jfyhfslk389qijn9l6p7x971-bcachefs-module-7.0.0-31-generic.drv
building '/nix/store/9v47gyy9jfyhfslk389qijn9l6p7x971-bcachefs-module-7.0.0-31-generic.drv'...