this derivation will be built:
  /nix/store/flsd0frn3w0a2dwvndv2zh17nrwhsbis-bcachefs-module-7.0.0-38-generic.drv
building '/nix/store/flsd0frn3w0a2dwvndv2zh17nrwhsbis-bcachefs-module-7.0.0-38-generic.drv'...