this derivation will be built:
  /nix/store/860dhk4crzkgm34ciazc45d7zpyn0cpq-bcachefs-module-7.0.0-31-generic.drv
building '/nix/store/860dhk4crzkgm34ciazc45d7zpyn0cpq-bcachefs-module-7.0.0-31-generic.drv'...