this derivation will be built:
  /nix/store/f6df58wx1mn45dxixfagq1v972zkb2yh-bcachefs-module-7.0.0-31-generic.drv
building '/nix/store/f6df58wx1mn45dxixfagq1v972zkb2yh-bcachefs-module-7.0.0-31-generic.drv'...