this derivation will be built:
  /nix/store/82xlns7jmz39jcmpx9kfwl35bg68dr12-bcachefs-module-7.0.0-34-generic.drv
building '/nix/store/82xlns7jmz39jcmpx9kfwl35bg68dr12-bcachefs-module-7.0.0-34-generic.drv'...