this derivation will be built:
  /nix/store/j239wf7g746m678rpkjpsq080y36j9hi-bcachefs-module-7.0.0-31-generic.drv
building '/nix/store/j239wf7g746m678rpkjpsq080y36j9hi-bcachefs-module-7.0.0-31-generic.drv'...