this derivation will be built:
  /nix/store/9dap4asr0zjbg23icfb0bq748nz8rhvg-bcachefs-module-7.0.0-39-generic.drv
building '/nix/store/9dap4asr0zjbg23icfb0bq748nz8rhvg-bcachefs-module-7.0.0-39-generic.drv'...