this derivation will be built:
  /nix/store/6wr28wzy3x259mx1sckfn089ywx2sifx-bcachefs-module-7.0.0-38-generic.drv
building '/nix/store/6wr28wzy3x259mx1sckfn089ywx2sifx-bcachefs-module-7.0.0-38-generic.drv'...