this derivation will be built:
  /nix/store/y8yfycgn3ybvg2mbv75a3kz7lh62c9h0-bcachefs-module-7.0.0-38-generic.drv
building '/nix/store/y8yfycgn3ybvg2mbv75a3kz7lh62c9h0-bcachefs-module-7.0.0-38-generic.drv'...