this derivation will be built:
  /nix/store/6dkjvw16qqkr2y15lz47mxy6ip1slf42-bcachefs-module-7.0.0-38-generic.drv
building '/nix/store/6dkjvw16qqkr2y15lz47mxy6ip1slf42-bcachefs-module-7.0.0-38-generic.drv'...