this derivation will be built:
  /nix/store/b0by9wwqnsyqfjn92jklxg5fpi1fk7ih-bcachefs-module-7.0.0-39-generic.drv
building '/nix/store/b0by9wwqnsyqfjn92jklxg5fpi1fk7ih-bcachefs-module-7.0.0-39-generic.drv'...