this derivation will be built:
  /nix/store/lnmxzwpamq9197bgl8p2n6vfajzip9np-bcachefs-module-7.0.0-31-generic.drv
building '/nix/store/lnmxzwpamq9197bgl8p2n6vfajzip9np-bcachefs-module-7.0.0-31-generic.drv'...