this derivation will be built:
  /nix/store/blx70f7ficlw8qwzgyxlk2jp6xwksfya-bcachefs-module-7.0.0-30-generic.drv
building '/nix/store/blx70f7ficlw8qwzgyxlk2jp6xwksfya-bcachefs-module-7.0.0-30-generic.drv'...