this derivation will be built:
  /nix/store/iiwma865kh90bhc71iqhfy8a5f2yfk3d-bcachefs-module-7.0.0-31-generic.drv
building '/nix/store/iiwma865kh90bhc71iqhfy8a5f2yfk3d-bcachefs-module-7.0.0-31-generic.drv'...