this derivation will be built:
  /nix/store/mm6a8j52cp0qik8a94vzg47sdnbd47im-bcachefs-module-7.0.0-38-generic.drv
building '/nix/store/mm6a8j52cp0qik8a94vzg47sdnbd47im-bcachefs-module-7.0.0-38-generic.drv'...