this derivation will be built:
  /nix/store/dl0584108wgz498rfc9wm9y2kf94xmqk-bcachefs-module-7.0.0-29-generic.drv
building '/nix/store/dl0584108wgz498rfc9wm9y2kf94xmqk-bcachefs-module-7.0.0-29-generic.drv'...