this derivation will be built:
  /nix/store/szvqh74p9v4xk4m522gsp1mr0bjq8sk4-bcachefs-module-7.0.0-39-generic.drv
building '/nix/store/szvqh74p9v4xk4m522gsp1mr0bjq8sk4-bcachefs-module-7.0.0-39-generic.drv'...