this derivation will be built:
  /nix/store/b7yc9p1lqvkkfsfcznh5bdvqj1ywh9i7-bcachefs-module-7.0.0-29-generic.drv
building '/nix/store/b7yc9p1lqvkkfsfcznh5bdvqj1ywh9i7-bcachefs-module-7.0.0-29-generic.drv'...