this derivation will be built:
  /nix/store/6gy49f2505j5j838jsw2d96k1g7n3r64-bcachefs-module-7.0.0-28-generic.drv
building '/nix/store/6gy49f2505j5j838jsw2d96k1g7n3r64-bcachefs-module-7.0.0-28-generic.drv'...