this derivation will be built:
  /nix/store/3c34mk4c8hpjhcppkjlbcfgqla0qsl41-bcachefs-module-7.0.0-34-generic.drv
building '/nix/store/3c34mk4c8hpjhcppkjlbcfgqla0qsl41-bcachefs-module-7.0.0-34-generic.drv'...