this derivation will be built:
  /nix/store/vsv3v9abvi277hw6kc3j8fz8rvrzqd99-bcachefs-module-7.0.0-31-generic.drv
building '/nix/store/vsv3v9abvi277hw6kc3j8fz8rvrzqd99-bcachefs-module-7.0.0-31-generic.drv'...