this derivation will be built:
  /nix/store/r1w46sz9l0wcf1yk15dp7fr85bq8548v-bcachefs-module-7.0.0-28-generic.drv
building '/nix/store/r1w46sz9l0wcf1yk15dp7fr85bq8548v-bcachefs-module-7.0.0-28-generic.drv'...