this derivation will be built:
  /nix/store/7qf33bf6qhmr3mql2szb1749qjk4k37f-bcachefs-module-7.0.0-29-generic.drv
building '/nix/store/7qf33bf6qhmr3mql2szb1749qjk4k37f-bcachefs-module-7.0.0-29-generic.drv'...