this derivation will be built:
  /nix/store/bfx6s5pa8hgqjf6f8wpx36gkn1bkwqwm-bcachefs-module-7.0.0-38-generic.drv
building '/nix/store/bfx6s5pa8hgqjf6f8wpx36gkn1bkwqwm-bcachefs-module-7.0.0-38-generic.drv'...