this derivation will be built:
  /nix/store/awb7wrsffbds6q91ybxq2pnl7l203ab7-bcachefs-module-7.0.0-39-generic.drv
building '/nix/store/awb7wrsffbds6q91ybxq2pnl7l203ab7-bcachefs-module-7.0.0-39-generic.drv'...