this derivation will be built:
  /nix/store/kmkb6f17svnl47q2ypdhqmhbkf33bdq1-bcachefs-module-7.0.0-28-generic.drv
building '/nix/store/kmkb6f17svnl47q2ypdhqmhbkf33bdq1-bcachefs-module-7.0.0-28-generic.drv'...