this derivation will be built:
  /nix/store/pn3zll3yfknv4fxlrx5dq7v4sdb7jx90-bcachefs-module-7.0.0-39-generic.drv
building '/nix/store/pn3zll3yfknv4fxlrx5dq7v4sdb7jx90-bcachefs-module-7.0.0-39-generic.drv'...