this derivation will be built:
  /nix/store/z85nmm2lqwgr5lhq9vd7zqyj3ih2l8v0-bcachefs-module-7.0.0-38-generic.drv
building '/nix/store/z85nmm2lqwgr5lhq9vd7zqyj3ih2l8v0-bcachefs-module-7.0.0-38-generic.drv'...