this derivation will be built:
  /nix/store/pw5iixvssac6mcq9527d233dk9qd7xw9-bcachefs-module-7.0.0-34-generic-64k.drv
building '/nix/store/pw5iixvssac6mcq9527d233dk9qd7xw9-bcachefs-module-7.0.0-34-generic-64k.drv'...