this derivation will be built:
  /nix/store/h7layak85kz60w4x2y7k4906dyvvaw2j-bcachefs-module-7.0.0-29-generic.drv
building '/nix/store/h7layak85kz60w4x2y7k4906dyvvaw2j-bcachefs-module-7.0.0-29-generic.drv'...