this derivation will be built:
  /nix/store/mgc1pbgzvw8ync8k3j85fwlanid964cm-bcachefs-module-7.0.0-38-generic.drv
building '/nix/store/mgc1pbgzvw8ync8k3j85fwlanid964cm-bcachefs-module-7.0.0-38-generic.drv'...