this derivation will be built:
  /nix/store/f5c4bfqn1igr19hdnww0bkp4xnspb915-bcachefs-module-7.0.0-30-generic.drv
building '/nix/store/f5c4bfqn1igr19hdnww0bkp4xnspb915-bcachefs-module-7.0.0-30-generic.drv'...