this derivation will be built:
  /nix/store/65qb7fd9illqnr6bxd2y3m1jf7bqpafd-bcachefs-module-7.0.0-39-generic.drv
building '/nix/store/65qb7fd9illqnr6bxd2y3m1jf7bqpafd-bcachefs-module-7.0.0-39-generic.drv'...