this derivation will be built:
  /nix/store/7j902r0aw1601nd1bklvp5l3vrlmk75q-bcachefs-module-7.0.0-38-generic.drv
building '/nix/store/7j902r0aw1601nd1bklvp5l3vrlmk75q-bcachefs-module-7.0.0-38-generic.drv'...