this derivation will be built:
  /nix/store/4kimqi16gvw0xycp2567g0gdzsdybgjh-bcachefs-module-7.0.0-39-generic.drv
building '/nix/store/4kimqi16gvw0xycp2567g0gdzsdybgjh-bcachefs-module-7.0.0-39-generic.drv'...