this derivation will be built:
  /nix/store/dn3d21rnz18cywqk9xf1gn5sxxhyi7c5-bcachefs-module-7.0.0-30-generic.drv
building '/nix/store/dn3d21rnz18cywqk9xf1gn5sxxhyi7c5-bcachefs-module-7.0.0-30-generic.drv'...