this derivation will be built:
  /nix/store/d0d9250h7f6ny35gm76qb5s7wg3xpp16-bcachefs-module-7.0.0-31-generic.drv
building '/nix/store/d0d9250h7f6ny35gm76qb5s7wg3xpp16-bcachefs-module-7.0.0-31-generic.drv'...