this derivation will be built:
  /nix/store/5jw8hm2ajq0gzddzi76d5d9jc2266cm0-bcachefs-module-7.0.0-29-generic.drv
building '/nix/store/5jw8hm2ajq0gzddzi76d5d9jc2266cm0-bcachefs-module-7.0.0-29-generic.drv'...