this derivation will be built:
  /nix/store/3d47n54wa01bjw03dq2b4f3w40wpd20z-bcachefs-module-7.0.0-31-generic.drv
building '/nix/store/3d47n54wa01bjw03dq2b4f3w40wpd20z-bcachefs-module-7.0.0-31-generic.drv'...