this derivation will be built:
  /nix/store/k5v40a1bh2y6028v05hw5hxaf5zlyf2g-bcachefs-module-7.0.0-27-generic.drv
building '/nix/store/k5v40a1bh2y6028v05hw5hxaf5zlyf2g-bcachefs-module-7.0.0-27-generic.drv'...