this derivation will be built:
  /nix/store/2gaskxar28b0dw1xbky8mvfv6i6bfsac-bcachefs-module-7.0.0-28-generic.drv
building '/nix/store/2gaskxar28b0dw1xbky8mvfv6i6bfsac-bcachefs-module-7.0.0-28-generic.drv'...