this derivation will be built:
  /nix/store/f6zhnl1dly8bg16mp7y9i42z2mwg4hsn-bcachefs-module-7.0.0-39-generic.drv
building '/nix/store/f6zhnl1dly8bg16mp7y9i42z2mwg4hsn-bcachefs-module-7.0.0-39-generic.drv'...