this derivation will be built:
  /nix/store/h88rqz8dss46ikxdqdc4bn6imjn7zvbp-bcachefs-module-7.0.0-30-generic.drv
building '/nix/store/h88rqz8dss46ikxdqdc4bn6imjn7zvbp-bcachefs-module-7.0.0-30-generic.drv'...