this derivation will be built:
  /nix/store/gz8886sghham7wq1jndhh243s270rlab-bcachefs-module-7.0.0-29-generic.drv
building '/nix/store/gz8886sghham7wq1jndhh243s270rlab-bcachefs-module-7.0.0-29-generic.drv'...