this derivation will be built:
  /nix/store/g9vjif65092py1n7cbrsfblmkfmkj6yi-bcachefs-module-7.0.0-29-generic.drv
building '/nix/store/g9vjif65092py1n7cbrsfblmkfmkj6yi-bcachefs-module-7.0.0-29-generic.drv'...