this derivation will be built:
  /nix/store/7l93c290jfbv53m8112ljpdn7jklzi8n-bcachefs-module-7.0.0-29-generic.drv
building '/nix/store/7l93c290jfbv53m8112ljpdn7jklzi8n-bcachefs-module-7.0.0-29-generic.drv'...