this derivation will be built:
  /nix/store/xgcw4wpagvd9f7s6zm9615kbrf6lbjyf-bcachefs-module-7.0.0-39-generic.drv
building '/nix/store/xgcw4wpagvd9f7s6zm9615kbrf6lbjyf-bcachefs-module-7.0.0-39-generic.drv'...