this derivation will be built:
  /nix/store/ly89yjyd5ndwxyhq10m89yp354jc03fh-bcachefs-module-7.0.0-39-generic.drv
building '/nix/store/ly89yjyd5ndwxyhq10m89yp354jc03fh-bcachefs-module-7.0.0-39-generic.drv'...