this derivation will be built:
  /nix/store/7r4js63nihx4ccwmihxxjq7wwhik37v6-bcachefs-module-7.0.0-28-generic.drv
building '/nix/store/7r4js63nihx4ccwmihxxjq7wwhik37v6-bcachefs-module-7.0.0-28-generic.drv'...