this derivation will be built:
  /nix/store/7cjw2p3nrz8cs44xvnf1kdfls8z9awy2-bcachefs-module-7.0.0-31-generic.drv
building '/nix/store/7cjw2p3nrz8cs44xvnf1kdfls8z9awy2-bcachefs-module-7.0.0-31-generic.drv'...