this derivation will be built:
  /nix/store/na2vknc3zm1gqj3b2j47camn9dkjmi8a-bcachefs-module-7.0.0-39-generic.drv
building '/nix/store/na2vknc3zm1gqj3b2j47camn9dkjmi8a-bcachefs-module-7.0.0-39-generic.drv'...