this derivation will be built:
  /nix/store/flrcza5v08mh0f3pxlx8bzmwfbmfbhif-bcachefs-module-7.0.0-31-generic.drv
building '/nix/store/flrcza5v08mh0f3pxlx8bzmwfbmfbhif-bcachefs-module-7.0.0-31-generic.drv'...