this derivation will be built:
  /nix/store/82jc8s4iy22hvwl0smzvy0crbsqr36xy-bcachefs-module-7.0.0-31-generic.drv
building '/nix/store/82jc8s4iy22hvwl0smzvy0crbsqr36xy-bcachefs-module-7.0.0-31-generic.drv'...