this derivation will be built:
  /nix/store/b9f7j1h7ix7hw333ilaw1yx3c7gdhwgj-bcachefs-module-7.0.0-39-generic.drv
building '/nix/store/b9f7j1h7ix7hw333ilaw1yx3c7gdhwgj-bcachefs-module-7.0.0-39-generic.drv'...