this derivation will be built:
  /nix/store/a4mgz2gmsn0g42sygz0ahwaapz8hqfcq-bcachefs-module-7.0.0-38-generic.drv
building '/nix/store/a4mgz2gmsn0g42sygz0ahwaapz8hqfcq-bcachefs-module-7.0.0-38-generic.drv'...