this derivation will be built:
  /nix/store/0q3b4r4c0bifljy655fwicr1wdf908lr-bcachefs-module-7.0.0-29-generic.drv
building '/nix/store/0q3b4r4c0bifljy655fwicr1wdf908lr-bcachefs-module-7.0.0-29-generic.drv'...