this derivation will be built:
  /nix/store/bzkis9xsgawbvashzb387d666c0qy9gn-bcachefs-module-7.0.0-28-generic.drv
building '/nix/store/bzkis9xsgawbvashzb387d666c0qy9gn-bcachefs-module-7.0.0-28-generic.drv'...