this derivation will be built:
  /nix/store/n3k62xvyibsqksl8ay2gpj0a2472gdrn-bcachefs-module-7.0.0-31-generic.drv
building '/nix/store/n3k62xvyibsqksl8ay2gpj0a2472gdrn-bcachefs-module-7.0.0-31-generic.drv'...