this derivation will be built:
  /nix/store/7iz3s33vjaxpyf9gg3903nynbn8kvm30-bcachefs-module-7.0.0-39-generic.drv
building '/nix/store/7iz3s33vjaxpyf9gg3903nynbn8kvm30-bcachefs-module-7.0.0-39-generic.drv'...