this derivation will be built:
  /nix/store/l3vvai90brj8629a84mgjklrxpwc0m5a-bcachefs-module-7.0.0-38-generic.drv
building '/nix/store/l3vvai90brj8629a84mgjklrxpwc0m5a-bcachefs-module-7.0.0-38-generic.drv'...