this derivation will be built:
  /nix/store/8g40ssfm0j9qj74q74wmnsc2p4c12xa1-bcachefs-module-7.0.0-38-generic.drv
building '/nix/store/8g40ssfm0j9qj74q74wmnsc2p4c12xa1-bcachefs-module-7.0.0-38-generic.drv'...