this derivation will be built:
  /nix/store/ki282bii9f7b63n8kcbbx4jkjiz53ijq-bcachefs-module-7.0.0-29-generic.drv
building '/nix/store/ki282bii9f7b63n8kcbbx4jkjiz53ijq-bcachefs-module-7.0.0-29-generic.drv'...