this derivation will be built:
  /nix/store/3cp2izvnr88ryfkjl48g5gqknp5hqcwq-bcachefs-module-7.0.0-31-generic.drv
building '/nix/store/3cp2izvnr88ryfkjl48g5gqknp5hqcwq-bcachefs-module-7.0.0-31-generic.drv'...