this derivation will be built:
  /nix/store/bmi56nmm49giic2nv6608ylyzm9x72mj-bcachefs-module-7.0.0-29-generic.drv
building '/nix/store/bmi56nmm49giic2nv6608ylyzm9x72mj-bcachefs-module-7.0.0-29-generic.drv'...