this derivation will be built:
  /nix/store/2nbffdvwbnaa6gi86bp1rrgfh4rz7nj5-bcachefs-module-7.0.0-27-generic.drv
building '/nix/store/2nbffdvwbnaa6gi86bp1rrgfh4rz7nj5-bcachefs-module-7.0.0-27-generic.drv'...