this derivation will be built:
  /nix/store/ps7l9qi7cm8qh96110fkq5iakllqh1ln-bcachefs-module-7.0.0-29-generic.drv
building '/nix/store/ps7l9qi7cm8qh96110fkq5iakllqh1ln-bcachefs-module-7.0.0-29-generic.drv'...