this derivation will be built:
  /nix/store/7aad6ry3xr2zpa512s803fzz5fsybm92-bcachefs-module-7.0.0-29-generic.drv
building '/nix/store/7aad6ry3xr2zpa512s803fzz5fsybm92-bcachefs-module-7.0.0-29-generic.drv'...