this derivation will be built:
  /nix/store/hj6sqf9jwhd9ff5y4i37vnb2rn1pcjq6-bcachefs-module-7.0.0-27-generic.drv
building '/nix/store/hj6sqf9jwhd9ff5y4i37vnb2rn1pcjq6-bcachefs-module-7.0.0-27-generic.drv'...