this derivation will be built:
  /nix/store/j6vg6y106r9gl72l100743hd45v1l75s-bcachefs-module-7.0.0-29-generic.drv
building '/nix/store/j6vg6y106r9gl72l100743hd45v1l75s-bcachefs-module-7.0.0-29-generic.drv'...