this derivation will be built:
  /nix/store/9bjxnkynkakj9f0dm3dlwbv2bjqn9ccn-bcachefs-module-7.0.0-31-generic.drv
building '/nix/store/9bjxnkynkakj9f0dm3dlwbv2bjqn9ccn-bcachefs-module-7.0.0-31-generic.drv'...