this derivation will be built:
  /nix/store/7mlxa901h17ajyg53iwg9jind5amvrk9-bcachefs-module-7.0.0-29-generic.drv
building '/nix/store/7mlxa901h17ajyg53iwg9jind5amvrk9-bcachefs-module-7.0.0-29-generic.drv'...