this derivation will be built:
  /nix/store/509b44q0z72n54pvm9c964hcafw725pa-bcachefs-module-7.0.0-39-generic.drv
building '/nix/store/509b44q0z72n54pvm9c964hcafw725pa-bcachefs-module-7.0.0-39-generic.drv'...