this derivation will be built:
  /nix/store/pq0n3zqzybf9m0winwh31wrybhv95aq8-bcachefs-module-7.0.0-30-generic.drv
building '/nix/store/pq0n3zqzybf9m0winwh31wrybhv95aq8-bcachefs-module-7.0.0-30-generic.drv'...