this derivation will be built:
  /nix/store/7v5i3qxrhjw7hgfml2j584kf674qiixr-bcachefs-module-7.0.0-39-generic.drv
building '/nix/store/7v5i3qxrhjw7hgfml2j584kf674qiixr-bcachefs-module-7.0.0-39-generic.drv'...