this derivation will be built:
  /nix/store/37bbnq743sh8dsblakw5isk7pp0nxp9p-bcachefs-module-7.0.0-39-generic.drv
building '/nix/store/37bbnq743sh8dsblakw5isk7pp0nxp9p-bcachefs-module-7.0.0-39-generic.drv'...