this derivation will be built:
  /nix/store/q649irw51sb3rfbh5899l9vss0g6zjx0-bcachefs-module-7.0.0-38-generic.drv
building '/nix/store/q649irw51sb3rfbh5899l9vss0g6zjx0-bcachefs-module-7.0.0-38-generic.drv'...