this derivation will be built:
  /nix/store/x529dkla2a7b4bx6y2f875hh5sc9hg1b-bcachefs-module-7.0.0-28-generic.drv
building '/nix/store/x529dkla2a7b4bx6y2f875hh5sc9hg1b-bcachefs-module-7.0.0-28-generic.drv'...