this derivation will be built:
  /nix/store/qvmvxmv263y55xhq6vl42413x7d68yb4-bcachefs-module-7.0.0-39-generic.drv
building '/nix/store/qvmvxmv263y55xhq6vl42413x7d68yb4-bcachefs-module-7.0.0-39-generic.drv'...