this derivation will be built:
  /nix/store/f5c19k2kcrxvwd2f57lgl5dp36w45nzn-bcachefs-module-7.0.0-39-generic.drv
building '/nix/store/f5c19k2kcrxvwd2f57lgl5dp36w45nzn-bcachefs-module-7.0.0-39-generic.drv'...