this derivation will be built:
  /nix/store/8ks4249kq4s44s5f343w82ir9112r0jq-bcachefs-module-7.0.0-34-generic.drv
building '/nix/store/8ks4249kq4s44s5f343w82ir9112r0jq-bcachefs-module-7.0.0-34-generic.drv'...