this derivation will be built:
  /nix/store/1mi2yd7zxfqbq1dkx52v90k8qgpxsl3q-bcachefs-module-7.0.0-34-generic.drv
building '/nix/store/1mi2yd7zxfqbq1dkx52v90k8qgpxsl3q-bcachefs-module-7.0.0-34-generic.drv'...